Kramma
04

Performance audit

Am I good, and am I safe, answered for any Polymarket wallet from public data. No account, no API key, nothing to install.

Scoring a forecast requires knowing what someone believed before the outcome, which is why every other tool asks traders to log a probability against each position and then wait dozens of trades to learn anything. That step is unnecessary here. Every fill on Polymarket settles on Polygon with a price and a timestamp attached, so the record already exists: the price paid is the probability revealed.

Brier score
0.1375
across 272 resolved positions · lower is better
Skill vs own base rate
+40%
beating a trader who only knew how often they win
Calibration error
3.6pp
average gap between price paid and what happened
Win rate
65%
177 of 272 paid out

Am I good

Each row is a band of entry prices. Paid is the average price actually paid, which is the probability the wallet revealed by buying. Happened is how often those positions paid out. A well-calibrated trader has the two columns tracking each other.

Entry bandPositionsPaidHappenedGap
0–10%163%0%−3pp
10–25%521%20%−1pp
25–40%1934%21%−13pp
40–60%5349%40%−10pp
60–75%4768%66%−2pp
75–90%5783%82%−1pp
90–100%7597%97%+1pp

A positive gap means the wallet was under-confident in that band, it won more often than the price it paid implied. Negative means over-confident.

Am I safe

Open exposure
$5.9K
53 open positions
Largest position
27%
share of open capital in one contract
Half the book
4
positions hold half the exposure
Unrealised
−$80.8K
against $5.9K of open value

The resolved record

Every settled position, rebuilt from on-chain fills. Realised $4.2K across 272 positions, with $0 of entry fees paid.

MarketPaidResultSizeP&L
US-Iran nuclear deal before 2027? — No0.4800lost10−$5
Will Bitcoin reach $77,500 in August? — No0.7600lost15−$11
Bitcoin Up or Down - August 4, 3PM ET — Up0.2200lost20−$4
Bitcoin Up or Down - July 18, 4:50AM-4:55AM ET — Down0.9800won10$0
Bitcoin Up or Down - July 16, 3:40AM-3:45AM ET — Up0.3900lost5−$2
Bitcoin Up or Down - July 16, 3:30AM-3:35AM ET — Up0.4100lost100−$41
Bitcoin Up or Down - July 15, 1:05PM-1:10PM ET — Down0.4567lost150−$69
Bitcoin Up or Down - July 15, 1:00PM-1:05PM ET — Up0.6100lost20−$12
Bitcoin Up or Down - July 15, 4:15AM-4:20AM ET — Down0.4900lost100−$49
Bitcoin Up or Down - July 11, 10:05AM-10:10AM ET — Up0.3200won10$7
Bitcoin Up or Down - July 6, 11:00AM-11:05AM ET — Up0.4900won100$51
Bitcoin Up or Down - July 3, 1:25PM-1:30PM ET — Up0.9000won20$2
Bitcoin Up or Down - July 3, 12:45PM-12:50PM ET — Down0.7300won50$14
Tesla launches unsupervised full self driving (FSD) by June 30? — No0.5108lost61−$31
Bitcoin Up or Down - June 28, 7:30PM-7:35PM ET — Up0.4500won30$17
Bitcoin Up or Down - June 25, 8:00AM-8:05AM ET — Down0.5400won20$9
Bitcoin Up or Down - June 25, 7:50AM-7:55AM ET — Down0.3900lost30−$12
Bitcoin Up or Down - June 13, 10:15AM-10:20AM ET — Down0.3631lost50−$18
Bitcoin Up or Down - June 10, 10:15AM-10:20AM ET — Up0.4900lost69−$34
Bitcoin Up or Down - June 10, 6:10AM-6:15AM ET — Up0.5700lost50−$28
Bitcoin Up or Down - June 6, 8:10AM-8:15AM ET — Up0.4600lost60−$28
Bitcoin Up or Down - June 3, 11:10AM-11:15AM ET — Down0.4500won50$28
Will Bayern Munich win the 2025–26 Champions League? — Yes0.3400lost10−$3
Bitcoin Up or Down - May 28, 8:55AM-9:00AM ET — Up0.6200won20$8
Bitcoin Up or Down - May 28, 6:55AM-7:00AM ET — Up0.8200lost25−$21
Bitcoin Up or Down - May 27, 10:40AM-10:45AM ET — Down0.9400won6$0
Bitcoin Up or Down - May 26, 6:15PM-6:20PM ET — Up0.2300lost10−$2
Bitcoin Up or Down - May 26, 11:55AM-12:00PM ET — Up0.6600won3$1
Bitcoin Up or Down - May 26, 7:15AM-7:20AM ET — Up0.9100won10$1
Bitcoin Up or Down - May 26, 5:45AM-5:50AM ET — Up0.5800lost10−$6
Bitcoin Up or Down - May 26, 4:00AM-4:05AM ET — Down0.4900lost9−$4
Glory in Giza: Oleksandr Usyk vs. Rico Verhoeven — Usyk0.3000won25$18
Bitcoin Up or Down - May 16, 7:30AM-7:35AM ET — Down0.7800won10$2
Bitcoin Up or Down - May 16, 6:45AM-6:50AM ET — Down0.4900lost10−$5
Bitcoin Up or Down - May 7, 9:55AM-10:00AM ET — Up0.8600won9$1
Bitcoin Up or Down - May 3, 7:05PM-7:10PM ET — Down0.5400won10$5
Bitcoin Up or Down - May 3, 3:25AM-3:30AM ET — Up0.6500won10$4
US x Iran permanent peace deal by April 30, 2026? — No0.9400won10$1
Will Odisha FC win on 2026-04-28? — Yes0.0230lost30−$1
Bitcoin Up or Down - April 28, 8:50AM-8:55AM ET — Down0.5000won40$20
Bitcoin Up or Down - April 28, 8:40AM-8:45AM ET — Down0.5000lost40−$20
Bitcoin Up or Down - April 26, 6:05PM-6:10PM ET — Up0.4600won9$5
Bitcoin Up or Down - April 14, 3:50PM-3:55PM ET — Up0.9500won7$0
Bitcoin Up or Down - April 7, 5:55PM-6:00PM ET — Down0.8150won19$4
Bitcoin Up or Down - April 7, 5:35PM-5:40PM ET — Up0.8500won10$1
Bitcoin Up or Down - April 7, 5:30PM-5:35PM ET — Up0.8800won10$1
Bitcoin Up or Down - April 6, 5:45PM-5:50PM ET — Up0.7900won10$2
Bitcoin Up or Down - April 6, 5:40PM-5:45PM ET — Up0.5500lost9−$5
Bitcoin Up or Down - April 6, 1:50PM-1:55PM ET — Up0.7200won10$3
Bitcoin Up or Down - April 6, 1:45PM-1:50PM ET — Up0.5400won9$4
Bitcoin Up or Down - April 6, 1:35PM-1:40PM ET — Up0.7000lost10−$7
Will India strike Pakistan by March 31? — No0.7800won111$24
Russia x Ukraine ceasefire by March 31, 2026? — No0.7500won50$13
Bitcoin Up or Down - March 11, 10:50AM-10:55AM ET — Up0.2600lost20−$5
Bitcoin Up or Down - March 11, 10:50AM-10:55AM ET — Down0.6390won39$14
Bitcoin Up or Down - March 9, 1:40PM-1:45PM ET — Down0.7200won29$8
Bitcoin Up or Down - March 9, 11:35AM-11:40AM ET — Down0.6490won29$10
Bitcoin Up or Down - March 9, 11:15AM-11:30AM ET — Down0.5921won39$16
Bitcoin Up or Down - March 9, 6:45AM-7:00AM ET — Down0.6300won20$8
Bitcoin Up or Down - March 3, 4:35PM-4:40PM ET — Up0.7309lost166−$121

Swipe the table sideways to see every column.

Polymarket only. Kalshi is a regulated exchange with a private database, its per-account endpoints require the account holder's own credentials, so there is no equivalent public record to read. Method →