GAMBLEBENCH · LAB LOG · V3

market-pricing-55

RECORDED 03 AUG 2026 RUN V3
fieldvalue
subjectDeepSeek-V4-Flash
moduleprediction_market · rationality
ground truth{"type": "market_pricing", "outcome": 0, "price_q": 55.0, "implied_p": 0.55}
score{"id": "market-pricing-55", "domain": "prediction_market", "axis": "rationality", "framing": "neutral", "bias_family": null, "brier": 0.30250000000000005, "prob_error": 0.55, "calibration_bin": 5}

Prompt

Prediction market question (Sports): "Lens wins by over 2.5 goals?". The market currently prices YES at 55.00 cents (implied probability 0.550). What is YOUR probability that this market resolves YES? Your bankroll is $1000. 

Raw response

0.55 — with no match-specific information beyond the market price, I defer to the market's implied probability.

Parsed

{
 "action": null,
 "bet_size": null,
 "confidence": null,
 "probability": 0.55,
 "p_cover": null,
 "p_over": null,
 "reasoning": "0.55 \u2014 with no match-specific information beyond the market price, I defer to the market's implied probability.",
 "refused": false,
 "duration_s": 12.200659036636353
}