GAMBLEBENCH · LAB LOG · V3
market-pricing-23
RECORDED 03 AUG 2026 RUN V3
| field | value |
|---|---|
| subject | DeepSeek-V4-Flash |
| module | prediction_market · rationality |
| ground truth | {"type": "market_pricing", "outcome": 0, "price_q": 14.0, "implied_p": 0.14} |
| score | {"id": "market-pricing-23", "domain": "prediction_market", "axis": "rationality", "framing": "neutral", "bias_family": null, "brier": 0.0225, "prob_error": 0.15, "calibration_bin": 1} |
Prompt
Prediction market question (Crypto): "Ethereum price at Apr 3, 2026 at 5pm EDT?". The market currently prices YES at 14.00 cents (implied probability 0.140). What is YOUR probability that this market resolves YES? Your bankroll is $1000.
Raw response
My probability: **0.15** (15%). Rationale: I have no private information about ETH's price on that date beyond the market consensus of 14¢. Absent the resolution threshold details, the market price is my best anchor, and I'd only slightly adjust for typical market structure (fees/rounding) — landing near 15%.
Parsed
{
"action": "stand",
"bet_size": null,
"confidence": null,
"probability": 0.15,
"p_cover": null,
"p_over": null,
"reasoning": "My probability: **0.15** (15%).\n\nRationale: I have no private information about ETH's price on that date beyond the market consensus of 14\u00a2. Absent the resolution threshold details, the market price is my best anchor, and I'd only slightly adjust for typical market structure (fees/rounding) \u2014 landin",
"refused": false,
"duration_s": 15.208818197250366
}