Tailfifty desk
424,069 observationssnapshot 2026-10-15Registry

Sports · 1d · asked 2026-10-04 · scored 2026-10-04

Will the Houston Texans beat the Dallas Cowboys at home on October 4, 2026?

4 seats worked this question alone; the panel agreed within a few points, so no debate was run. Code ran every test and computed the number. How the desk works

Committee57%logodds poolLog-odds pool How the committee number is made: each seat's probability is turned into log-odds, averaged with calibration weights, and turned back. Deterministic. The portfolio manager explains it; it does not pick it. glossary · PM stated 57%
Market at the time57%committee minus market +0%
ResolvedNoBrierBrier score How wrong a probability was, squared. Say 70% and it happens: (0.7 − 1)² = 0.09. Say 70% and it doesn't: 0.49. Lower is better; always saying 50% scores 0.25, so anything above 0.25 is worse than a coin flip. glossary 0.331 vs marketMarket Brier The same squared error, but for the Kalshi price at the moment the question was asked. It is the bar: beating it means knowing something the price did not. glossary 0.331 · lower is better

Judged by Kalshi KXNFLGAME-26OCT04DALHOU-HOU settlement at 2026-10-04: Kalshi KXNFLGAME-26OCT04DALHOU-HOU: resolves YES if Houston Texans win

0%50%100%
Sports Analyst58%
Quantitative Researcher58%
Market Positioning Analyst58%
Causal Skeptic56%
Committee57%

Hollow: before the debate. Gold: after. Blue rule: the market. Red rule: what happened. Debate skipped: the seats agreed within a few points. Sat out: Historical Analog Analyst.

The dispute that matteredThree analysts (Sports, Quant, Positioning) anchor essentially entirely on the live Kalshi market price (~0.585) treating it as the best available estimator with zero adjustment, while the Causal Skeptic argues the market price and the independent historical base rate (~0.569) merely 'roughly agree' and explicitly distrusts any dataset-internal correlation as non-robust/artifactual. This isn't a disagreement about direction (all land in a tight 0.56-0.585 band) but about epistemic humility: should the final number sit exactly at the market tick, or be shaded slightly toward the base rate to reflect that three of four 'independent' analysts are really reading one duplicated series? I resolved it by treating d1/d2/d3/d4 (the Kalshi price series) as ONE line of evidence rather than three, which caps how much the pooled estimate can lean on market price alone, and by giving the Causal Skeptic's base-rate anchor extra weight for being the only genuinely distinct data source. Net effect: consensus sits at 0.575, slightly below the raw market tick of 0.585 and slightly above the pure historical base rate of 0.569.

Synthesis

Three of four analysts are effectively reading the same instrument: the live Kalshi HOU/DAL price series. That collapses to one dominant line of evidence, not three independent confirmations, so I down-weight the apparent 'unanimity' accordingly. The Causal Skeptic contributes the only genuinely distinct input — a historical home-win base rate (~0.569) — and is the most skeptical of over-reading in-dataset correlations, which I reward with the highest individual weight (0.35) despite a modest accuracy figure, because the behavior (discounting non-robust correlations) is exactly the right instinct in a market-saturated setup like this one.\n\nBase rate: NFL home favorites in this general strength range (3.5-4 point favorite) win historically on the order of 58-62%; the plain historical home-win base rate across all games (favorite or not) is reported in-dataset at ~0.569. The live market price of 0.585 sits comfortably inside this base-rate band, so there is no strong case for the market being mispriced. My consensus (0.575) sits a touch below the raw market tick and a touch above the base rate, reflecting that the market evidence, once de-duplicated, is only moderately more informative than the base rate itself given the mechanical-correlation caveats raised by the skeptic.\n\nTradeability: this is NOT a tradeable edge. The committee's own number (0.57) and my adjusted consensus (0.575) are within 1-2 points of the live market price (0.585) and well inside its bootstrap CI. There is no identified mispricing, no novel signal, and the evidence is heavily crowded (four analysts citing largely the same series). I would not propose a position against the Kalshi HOU contract at current prices; the correct action is to pass, or at most take a negligible contrarian-fade size if the HOU price ticks materially above 0.62 or below 0.52 before kickoff without new information, as a pure mean-reversion-to-base-rate play, sized at no more than token exposure given data quality score of 0.55 and statistical quality of 0.45. Game outcome itself remains irreducibly uncertain regardless of the pricing discussion.
Observed · in the data
  • Kalshi HOU contract price converged and held flat at ~0.585 across the final six snapshots through game day 2026-10-04, n=233, sd=0.019.
  • Complementary DAL contract priced at ~0.415, with Pearson correlation to HOU series of -0.94 to -0.97 (mechanical complement, confirms clean two-way market, not independent signal).
  • Bootstrap 95% CI on the HOU market mean is narrow: approximately [0.570, 0.579] across analyst calculations.
  • Point-spread-like series mean 4.17, recent values 3-4 points, consistent with HOU favored by ~3.5-4.
  • Historical home-win base rate in the dataset reported at 0.569 (small-sample historical series, n not fully specified).
Modeled · a tool computed it
  • Calibration-weighted log-odds pooling of the four analysts' post-debate probabilities, producing a deterministic committee number of 0.57.
  • Bootstrap confidence intervals on the Kalshi HOU price series mean (various analysts computed overlapping CI95 windows around 0.57-0.58).
  • Point-spread-to-win-probability mapping (approx. 3.5-4 point favorite -> ~58-62% implied win probability).
Inferred · the committee's reasoning
  • The market price has fully absorbed available pre-game information (injuries, line movement, public betting) and is not actively repricing in the hours before kickoff.
  • No feature in the available dataset (injury counts, past spread/total history, small binary outcome series n=39-43) demonstrates an out-of-sample edge over the raw market price.
  • The apparent strength of within-dataset correlations (e.g., s3, s6, s7) is partly a mechanical artifact of complementary probability construction, not new causal information.
Predicted · what it expects
  • Houston wins the home game against Dallas on 2026-10-04 with probability 0.575 (committee consensus), within a credible interval of roughly 0.52-0.62.
  • No further material price drift in the HOU/DAL Kalshi contracts between the 02:37 UTC snapshot and actual kickoff, given the flat, high-autocorrelation price history already observed.
Uncertain · what it does not know
  • Whether the small-sample calibration figures (n=2 to n=12 per analyst) are reliable enough to justify differential weighting, versus being noise themselves.
  • Whether any late-breaking information between 02:37 UTC and actual kickoff (final inactives, weather, last-minute line move) could shift the market price materially — untested, as no post-02:37 UTC data is available.
  • Whether the 'historical base rate' cited by the Causal Skeptic (0.569) is drawn from a sample large and relevant enough (e.g., all NFL home favorites vs. this specific matchup history) to be treated as a true independent anchor rather than another noisy small-n statistic.
  • The true probability is fundamentally a sports outcome with irreducible game-day variance (injuries during play, weather, coaching decisions) that no pre-game model fully captures.
How the seats were weighed · not an average
Sports Analyst0.20High sports domain relevance (1.0) but thin calibration sample (n=2, accuracy 0.5) and evidence is the same Kalshi price series d1/d2 used by all other analysts — not independent. Weight reflects domain fit, discounted for duplicated evidence and small sample.
Quantitative Researcher0.25Adds one semi-independent data point (point-spread series d8 implying ~58-62% win prob) beyond the shared market series, and reasonable calibration (n=10, brier 0.358). Weight reflects modest independent contribution on top of shared market evidence.
Market Positioning Analyst0.20Relevant domain and correctly diagnoses market efficiency/convergence, but calibration is weakest (accuracy 0.167, n=12) and evidence is the same d1-d4 market series already counted — fully duplicated with Sports Analyst and Quant Researcher.
Causal Skeptic0.35Best calibration among the four (accuracy 0.25, brier 0.331, closest to well-calibrated given small samples) and uniquely contributes the historical base rate (d1=0.569) as an independent anchor distinct from the market price, plus explicitly tests and rejects spurious correlations — the most epistemically honest and least redundant line of evidence.
Wrong if
  • If Houston loses the game outright on 2026-10-04, the consensus probability of 0.575 is falsified as the modal outcome did not occur (though a 0.575 probability does not guarantee a win, so track this across a larger sample of similarly-priced games to assess calibration, not as a single-game falsification of the method).
  • If the Kalshi HOU contract price is found to have moved by more than 3 percentage points between the 02:37 UTC snapshot and actual opening kickoff (e.g., due to a late scratch), the 'market has fully absorbed information' inference is falsified.
  • If a post-game review shows the final score margin and in-game win-probability trajectory were inconsistent with a ~58% pre-game favorite (e.g., Dallas led wire-to-wire by double digits), that specific game would be a strong single-instance anecdote against the market-efficiency thesis, though not a statistical falsification on n=1.
Independent lines of evidence
  • The live, converged Kalshi prediction-market price for HOU (~0.585), treated as a single aggregated line of evidence despite being cited by three analysts.
  • The point-spread-derived win probability (~3.5-4 point favorite mapping to ~58-62%), a distinct data source from the raw contract price (Quant Researcher).
  • The historical home-win base rate (~0.569), cited uniquely by the Causal Skeptic as an anchor independent of the live market.

Counted once: Kalshi HOU win-probability series (d1) and its complement DAL series (d2), cited independently by the Sports Analyst, Quant Researcher, and Positioning Analyst as separate supporting evidence — collapsed into a single market-price line of evidence.; Bootstrap/stability tests on the HOU price series (s3, s4, s6, s7) cited by multiple analysts as distinct statistical confirmations — these are restatements of the same underlying price stability and are treated as one line of evidence, not three.

Model uncertainty

All four analysts' calibration statistics are built on very small samples (n=2 to n=12), making the 'calibration-weighted' pooling itself only weakly distinguishable from an equal-weight average; the reported accuracies (0.17 to 0.5) are too noisy to confidently rank analyst skill, and the committee's headline weighting scheme may be overfit to a handful of past resolved questions rather than reflecting genuine differential skill in sports forecasting.

The seats

Each analyst's own memo, evidence and tests. Open a seat to read it.

Sports Analyst58%confidence 55%

Objective: translate sporting information into win probabilities and compare them to betting-market prices. Injuries (who, position, replacement quality), rest and schedule, home advantage, form vs. noise, and how fast lines move after news. You care about the *market reaction function*: which news the line absorbs in minutes and which it underreacts to. A 60% team is only interesting if the market says 52%. Discipline: state the prediction cutoff (kickoff) and use nothing after it. Team series live under NFL-<ABBR> (margin, win, is_home, points_for/against, espn_spread, espn_total, kalshi_win_prob, injuries_out, injuries_questionable). Estimate team effects with partial pooling and report uncertainty, not point claims. Model dispersion as well as the mean. Beat a simple baseline (home field + the market line) out of sample before believing any feature. Injury counts are a proxy for who is missing; say so.

Thesis. The Kalshi market has converged tightly on HOU at 58.5% / DAL at 41.5% heading into kickoff (d1, d2 last values, summing to 1.0), consistent with a modest home-favorite price. I find no out-of-sample evidence that any feature in this dataset (injury counts, spread/total history) beats that market price, so my estimate tracks the market rather than diverging from it.
Base rate

57% NFL home team win rate (unconditional, league-wide, multi-season average)

The best case against

The injury series (d5, d6) both tick upward in the final observations (HOU out-count 3→4, DAL out-count 5→6) right before kickoff, meaning late-breaking injury news may not yet be fully absorbed into the Kalshi price if those counts reflect info arriving after the last price update timestamp. If Dallas's 5-6 missing players include a starting QB or key offensive piece while Houston's 3-4 are depth players, the true win probability for HOU could be meaningfully higher than 58.5%, and the market is underreacting — the classic case this role is built to catch. I cannot verify player-level severity from injury counts alone, so this is a live risk I'm not pricing in.

Strongest evidence
  • Kalshi-implied HOU win probability stable and converging to 0.585 by game day (2026-10-04), tight autocorrelated series, low dispersion (sd=0.0197).
  • Complementary DAL probability converges to 0.415, confirming market consensus sums to 1 and is not drifting further before kickoff.
  • Bootstrap CI95 on HOU market mean [0.5739, 0.5789] is narrow, indicating the market price is stable, not a stale/mispriced snapshot.
Wrong if

If Dallas wins the 2026-10-04 game (Kalshi KXNFLGAME-26OCT04DALHOU-HOU settles NO), this forecast is falsified. Additionally, if post-game review shows the late uptick in d5/d6 injury counts corresponded to a Dallas starting-QB-level injury that the 0.585 market price had not yet absorbed, that would falsify the claim that the market was efficiently priced at kickoff.

Assumes
  • d1/d2 represent the Kalshi-quoted win probabilities for HOU and DAL respectively, sampled repeatedly through the week with the last entries closest to kickoff.
  • d5/d6 are injuries_out counts for the two teams (not labeled definitively), with d6 (mean 5, less volatile) corresponding to the team with consistently more players out.
  • d7/d8 (espn_spread, espn_total style series, n=6 each) are season-level weekly aggregates with very high variance and low n, too noisy to use as a standalone signal for this single game.
  • No team-specific partial-pooling model was fit in this session; I am not claiming to beat the market baseline, only reporting it.
Memo to the committee
Base rate: NFL home teams win ~57% historically. The Kalshi market for this game converged to HOU 58.5% / DAL 41.5% by kickoff (d1/d2, stable across the last six observations, bootstrap CI95 [0.574,0.579] on the series mean), essentially matching that base rate with a small home-favorite premium. I have no validated out-of-sample model beating this market price — the available injury-count series (d5/d6) hint that the Cowboys' proxy injury-out count (mean 5, last=6) ran consistently higher than Houston's (mean 4.17, last=4) through the sample, which is directionally consistent with Houston being favored, but team-label mapping is unconfirmed and the spread/total series (d7/d8) are too noisy (n=6, sd 7.5–12) to add signal. I set probability at 0.58, tracking the market rather than claiming an edge. Strongest risk: late injury upticks in both series occur right at the last data points, raising the possibility the market hasn't fully absorbed a severity-weighted injury update (e.g., a Dallas starter) — I cannot verify player-level severity from counts alone, so this is a genuine blind spot rather than a dismissed objection.
Rebuttal
debate skipped: panel unanimous within 0.02

Would change my mind: If Dallas wins the 2026-10-04 game (Kalshi KXNFLGAME-26OCT04DALHOU-HOU settles NO), this forecast is falsified. Additionally, if post-game review shows the late uptick in d5/d6 injury counts corresponded to a Dallas starting-QB-level injury that the 0.585 market price had not yet absorbed, that would falsify the claim that the market was efficiently priced at kickoff.

After the debate · 58% → 58%

debate skipped: panel unanimous within 0.02

Data and tests · 16, as of

strong autocorrelation (max lag-1 = 0.87); effective n is smaller, p is optimistic

Quantitative Researcher58%confidence 55%

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Market Positioning Analyst58%confidence 55%

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Causal Skeptic56%confidence 40%

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Claims and evidence

Observation · seen in the data · 7
Model · a tool computed it · 3
Inference · reasoned from the above · 4
Forecast · what a seat expects · 2
Uncertainty · what a seat does not know · 5

The debate

Who challenged whom · severity 0 to 1
SportsQuantiMarketCausal
Sports
Quantitative
Market Posit
Causal Skept
Sealed views · Each seat wrote alone. Nobody had seen another view.
Sports Analyst
58% · confidence 55%

The Kalshi market has converged tightly on HOU at 58.5% / DAL at 41.5% heading into kickoff (d1, d2 last values, summing to 1.0), consistent with a modest home-favorite price. I find no out-of-sample evidence that any feature in this dataset (injury counts, spread/total history) beats that market price, so my estimate tracks the market rather than diverging from it.

Own objection: The injury series (d5, d6) both tick upward in the final observations (HOU out-count 3→4, DAL out-count 5→6) right before kickoff, meaning late-breaking injury news may not yet be fully absorbed into the Kalshi price if those counts reflect info arriving after the last price update timestamp. If Dallas's 5-6 missing players include a starting QB or key offensive piece while Houston's 3-4 are depth players, the true win probability for HOU could be meaningfully higher than 58.5%, and the market is underreacting — the classic case this role is built to catch. I cannot verify player-level severity from injury counts alone, so this is a live risk I'm not pricing in.

Quantitative Researcher
58% · confidence 55%

The market-implied probability of a Houston win is the best available prediction; auxiliary historical signals (recent game outcomes, point differentials) show no statistically significant predictive edge, so the question should be priced essentially at the latest Kalshi mid-price for HOU (~58.5%), a modest premium over the generic home-favorite base rate.

Own objection: The market price could be stale or anchored on information not captured in this data (e.g., last-minute injury/lineup news); s5 and s6 tests of candidate signals were both insignificant (p=0.4, p=0.825), meaning I have no demonstrated out-of-sample edge beyond the market price itself — my estimate is essentially 'trust the market,' not an independently validated quantitative finding.

Market Positioning Analyst
58% · confidence 55%

Market-implied probability for Houston winning at home vs Dallas is already consolidated near 0.585 (d1/d3), with Dallas priced at ~0.415 (d2/d4), and the complementary correlation (-0.94, s3) confirms these are near-mirror win-probability contracts with modest overround (~1.5-3pts) typical of bid/ask. Prices have gone completely flat across the last six observations through game time (10/3-10/4), with high lag-1 autocorrelation (~0.92-0.93), indicating the market has fully absorbed all available information (injury reports, line movement, public betting) well before kickoff and is no longer repricing. This is a hallmark of a settled, non-crowded-but-efficient pre-game market — there is no residual drift or late-breaking divergence to exploit. The small n=39-43 binary series (d5-d8) are noisy historical game-outcome indicators (means 0.41-0.53, SDs ~0.50, inconsistent sign and weak/negative autocorrelation) and add no exploitable signal beyond the priced market.

Own objection: If d1/d3 are not live Kalshi contract prices but a model-derived or sportsbook-aggregated proxy sampled at coarse intervals, the 'flatness' could reflect stale/illiquid quoting rather than genuine informational efficiency — meaning the true market-clearing price at kickoff could differ meaningfully from 0.585, especially if a late scratch (e.g., a starting QB) hit wires after the last data snapshot and before the 2026-10-04 02:37 UTC as_of cutoff. In that case the stated probability is not a reliable 'price' at all, and the real edge question (what's priced vs what should be priced) can't be answered from this data.

Causal Skeptic
56% · confidence 40%

None of the purpose-built statistical tests in this dataset (s1, s4, s5, s6) reach significance or robustness; the apparent strong correlation (s3) is a mechanical artifact of complementary probabilities, not a causal signal. The only numbers with real information content are the base rate (d1=0.569) and the near-static market price (d4≈0.585), which roughly agree. I anchor near that convergence rather than treating any single statistical result as causally informative about HOU beating DAL.

Own objection: The market price itself (d4≈0.585) may already encode real, non-public information (injury reports, line movement from sharp bettors) that the simple statistical tests here are too weak/noisy to detect — my skepticism about the custom signals (s1,s4,s5,s6) doesn't actually refute the price itself, which could be a better aggregator of causal information than any single hand-built feature. If I discount the price too, I may be throwing out the single most informative number in the dataset purely because I can't trace its causal mechanism.

Revisions · Every change of mind pinned to one piece of evidence.
Sports Analyst
58% → 58%

debate skipped: panel unanimous within 0.02

Quantitative Researcher
58% → 58%

debate skipped: panel unanimous within 0.02

Market Positioning Analyst
58% → 58%

debate skipped: panel unanimous within 0.02

Causal Skeptic
56% → 56%

debate skipped: panel unanimous within 0.02

Synthesis · The portfolio manager weighs the seats. Not an average.
Portfolio Manager

Three of four analysts are effectively reading the same instrument: the live Kalshi HOU/DAL price series. That collapses to one dominant line of evidence, not three independent confirmations, so I down-weight the apparent 'unanimity' accordingly. The Causal Skeptic contributes the only genuinely distinct input — a historical home-win base rate (~0.569) — and is the most skeptical of over-reading in-dataset correlations, which I reward with the highest individual weight (0.35) despite a modest accuracy figure, because the behavior (discounting non-robust correlations) is exactly the right instinct in a market-saturated setup like this one.\n\nBase rate: NFL home favorites in this general strength range (3.5-4 point favorite) win historically on the order of 58-62%; the plain historical home-win base rate across all games (favorite or not) is reported in-dataset at ~0.569. The live market price of 0.585 sits comfortably inside this base-rate band, so there is no strong case for the market being mispriced. My consensus (0.575) sits a touch below the raw market tick and a touch above the base rate, reflecting that the market evidence, once de-duplicated, is only moderately more informative than the base rate itself given the mechanical-correlation caveats raised by the skeptic.\n\nTradeability: this is NOT a tradeable edge. The committee's own number (0.57) and my adjusted consensus (0.575) are within 1-2 points of the live market price (0.585) and well inside its bootstrap CI. There is no identified mispricing, no novel signal, and the evidence is heavily crowded (four analysts citing largely the same series). I would not propose a position against the Kalshi HOU contract at current prices; the correct action is to pass, or at most take a negligible contrarian-fade size if the HOU price ticks materially above 0.62 or below 0.52 before kickoff without new information, as a pure mean-reversion-to-base-rate play, sized at no more than token exposure given data quality score of 0.55 and statistical quality of 0.45. Game outcome itself remains irreducibly uncertain regardless of the pricing discussion.

Consensus 57% · interval 52% to 62%

Assumptions

Review · 16 · a forecast resting on these resolved no
  • review
    d1/d2 represent the Kalshi-quoted win probabilities for HOU and DAL respectively, sampled repeatedly through the week with the last entries closest to kickoff.
    Sports Analyst
  • review
    d5/d6 are injuries_out counts for the two teams (not labeled definitively), with d6 (mean 5, less volatile) corresponding to the team with consistently more players out.
    Sports Analyst
  • review
    d7/d8 (espn_spread, espn_total style series, n=6 each) are season-level weekly aggregates with very high variance and low n, too noisy to use as a standalone signal for this single game.
    Sports Analyst
  • review
    No team-specific partial-pooling model was fit in this session; I am not claiming to beat the market baseline, only reporting it.
    Sports Analyst
  • review
    d1 and d2 are Kalshi contract prices for HOU and DAL respectively, sampled intraday leading into game time.
    Quantitative Researcher
  • review
    d8 is a point-spread-like line (HOU favored by 3-4 points).
    Quantitative Researcher
  • review
    d3-d7 are binary win/loss and point-differential series from a reference set of prior games used to test ad hoc signals against the outcome; not clearly identified as current-season Texans-specific data.
    Quantitative Researcher
  • review
    No material information (injury, weather) occurred between the last data timestamp and kickoff that would move the line materially.
    Quantitative Researcher
  • review
    d1 and d3 represent Houston-side market-implied win probability (e.g., moneyline-derived or Kalshi contract mid-price) and d2/d4 the Dallas-side complement
    Market Positioning Analyst
  • review
    d5-d8 are short, noisy historical binary indicators (recent game results or similar) with insufficient sample size (n~40) to update materially on their own
    Market Positioning Analyst
  • review
    No data on injury reports, starting QB status, or weather was provided beyond the price series itself
    Market Positioning Analyst
  • review
    The as_of timestamp (2026-10-04 02:37 UTC) is close enough to kickoff that the flat last-six-observation price reflects the market's final settled view absent last-minute news
    Market Positioning Analyst
  • review
    d4 and d5 represent market-implied win probabilities for HOU and DAL respectively (not confirmed by metadata, inferred from sum≈1 and -0.94 correlation)
    Causal Skeptic
  • review
    d1 is a binary historical outcome series (home-team win indicator) used to compute the n=51 base rate
    Causal Skeptic
  • review
    d7/d8 are plausibly injury/roster-count style signals; their causal meaning is not stated and is uncertain
    Causal Skeptic
  • review
    No play-by-play, QB status, or weather data were provided, so any 'fundamental' causal story is unverifiable from this data alone
    Causal Skeptic

Simulated trade

The portfolio manager proposed no paper trade. No tradeable edge exists, and no valid instrument exists. (1) Mispricing test: committee consensus P=0.575 [0.52,0.62] vs. live Kalshi market price 0.585 — the difference is well inside the CI and smaller than the bid-ask/transaction-cost drag, so there is no statistically distinguishable edge. (2) Evidence independence: 3 of 4 inputs are re-derivations of the same Kalshi price series (crowding=0.85), collapsing to one line of evidence; the only distinct input (historical home-win base rate ~0.569) confirms rather than contradicts the market price, so there is no disagreement between independent evidence sources to exploit. (3) Instrument universe constraint: the simulated book only contains commodity/equity/crypto instruments (HENRY_HUB, UNG, XLE, VLO, MPC, PSX, CORN, BTC, ETH, WTI). There is no NFL outcome contract, sportsbook proxy, or correlated tradeable asset in this catalog — none of these instruments have any causal or statistical linkage to an NFL game result. Forcing a trade into an unrelated instrument (e.g., betting XLE moves because Texans/Cowboys games occur in Houston/Dallas) would be spurious correlation-mining with zero theoretical basis and is exactly the kind of non-robust inference the Causal Skeptic's reasoning warns against rewarding.

Forecasts

SeatStagePBaseResolvesOutcomeBrier
Committeefinal57%—2026-10-04No0.331
Sports Analystprior56%57%2026-10-04No0.314
Sports Analystindependent58%57%2026-10-04No0.336
Sports Analystrevised58%57%2026-10-04No0.336
Quantitative Researcherprior56%57%2026-10-04No0.314
Quantitative Researcherindependent58%57%2026-10-04No0.336
Quantitative Researcherrevised58%57%2026-10-04No0.336
Market Positioning Analystprior56%55%2026-10-04No0.314
Market Positioning Analystindependent58%55%2026-10-04No0.336
Market Positioning Analystrevised58%55%2026-10-04No0.336
Causal Skepticprior52%57%2026-10-04No0.270
Causal Skepticindependent56%57%2026-10-04No0.314
Causal Skepticrevised56%57%2026-10-04No0.314

Reasoning graph

Every observation, test, claim, objection and forecast, as a graph
observationmemorytestassumptionclaimcounterargumentopinionforecasttrade
observationNFL-HOU.win [level]claim · observation · 90%The Kalshi market price for HOU win…observationNFL-DAL.win [level]opinionSports Analystclaim · inference · 60%This market price is consistent wit…observationKXNFLGAME-26OCT04DALHOU-DAL.implied…claim · observation · 65%Injury-out counts for both teams ro…observationNFL-HOU.is_home [level]counterargumentSeries labels (which team is which)…testcorrelation: corr=-0.94420985208289…claim · uncertainty · 70%The spread/total historical series …testinfluence: corr=0.03167692008077019claim · forecast · 55%Houston wins at home over Dallas on…testhypothesis_test: mean(on) − mean(of…claim · observation · 90%The Kalshi market prices Houston to…opinionQuantitative Researchertestdescribe: mean=0.41025641025641024claim · model · 85%The HOU and DAL price series are ne…testregime_split: full-sample corr=0.14…claim · inference · 75%Candidate historical signals tested…counterargumentSmall sample sizes (n=25-26 per gro…observationNFL-DAL.injuries_out [level]claim · model · 60%A point-spread-like series (d8) sug…claim · uncertainty · 80%No demonstrated statistical edge ex…claim · observation · 75%The market-implied probability of a…observationNFL-HOU.margin [level]opinionMarket Positioning Analystclaim · model · 70%d1 (Houston) and d2 (Dallas) price …counterargumentHigh lag-1 autocorrelation (0.92) m…claim · inference · 55%The price series has stopped moving…observationKXNFLGAME-26OCT04DALHOU-HOU.implied…counterargumentFlatness could also indicate coarse…claim · uncertainty · 60%The short binary history series (d5…claim · forecast · 55%Given the fully-priced, flat, high-…claim · inference · 85%The strong negative correlation bet…testdescribe: mean=0.5735559566787004opinionCausal Skeptictestconditional_probability: P(outcome|…claim · observation · 80%The only directly tested predictive…claim · observation · 85%Any correlation found for the n=51 …claim · observation · 75%The welch_t/mann-whitney comparison…observationNFL-HOU.injuries_out [level]claim · uncertainty · 60%No test provided distinguishes whet…claim · uncertainty · 40%Selection bias concern: why this sp…forecastP=0.57 Will the Houston Texans beat…
Click a node. Every conclusion traces back to observations and tests.