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
0.0190
across 47 resolved positions · lower is better
Skill vs own base rate
+76%
beating a trader who only knew how often they win
Calibration error
5.4pp
average gap between price paid and what happened
Win rate
91%
43 of 47 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%13%0%−3pp
10–25%225%0%−25pp
25–40%229%50%+21pp
60–75%161%100%+39pp
75–90%287%100%+13pp
90–100%3998%100%+2pp

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
$480.7K
4 open positions
Largest position
57%
share of open capital in one contract
Half the book
1
position holds half the exposure
Unrealised
$8.8K
against $480.7K of open value

57% of open capital sits in a single contract. A binary settles to one dollar or to nothing, so concentration here is not a question of style: a single adverse resolution takes that share of the book with it.

The resolved record

Every settled position, rebuilt from on-chain fills. Realised $73.4K across 47 positions, with $602 of entry fees paid.

MarketPaidResultSizeP&L
Clavicular pregnancy in 2026? — No0.0300lost100−$3
Will Trump nominate Judy Shelton as the next Fed chair? — No0.9870won67,632$879
Will Trump pardon SBF by July 31? — No0.9820won108$2
Will the Fed Pause–Pause–Pause in the next three decisions (Apr–Jun–Jul)? — No0.2483lost11,557−$2.9K
Will the Fed increase interest rates by 25 bps after the July 2026 meeting? — Yes0.2441lost68,212−$16.7K
Will there be no change in Fed interest rates after the July 2026 meeting? — No0.2618lost46,420−$12.2K
Will the Fed increase interest rates by 50+ bps after the July 2026 meeting? — No0.9920won10,530$84
Will there be no change in Fed interest rates after the July 2026 meeting? — Yes0.8469won122,891$18.8K
Will no one dissent the July Fed decision? — No0.6141won378$146
Will Graham Platner drop out by July 17? — Yes0.9340won47$3
Will Samuel Alito announce his retirement by July 15, 2026? — No0.9680won336$11
Will the US confirm that aliens exist by June 30? — No0.9620won1,026$39
Kharg Island no longer under Iranian control by June 24? — No0.9950won20$0
Will the Fed Pause–Pause–Cut in the next three decisions (Mar–Apr–Jun)? — No0.9800won6$0
Was the Fox News guest wearing a mask? — No0.9900won8$0
Will SpaceX IPO by May 31, 2026? — No0.9910won320$3
Will Trump attend his son's wedding? — No0.9750won2,435$61
Will Trump say "Strait" or "Hormuz" during events with Xi Jinping? — No0.9840won1,505$24
Will Trump and Xi kiss at their summit? — No0.9927won62,618$457
Jerome Powell out as Fed Chair by May 14, 2026? — No0.9990won56,225$56
Netanyahu out by March 31? — No0.9990won76,324$76
Will there be no change in Fed interest rates after the March 2026 meeting? — Yes0.9960won89,648$359
No change in Fed interest rates after January 2026 meeting? — Yes0.9609won254,852$10.0K
Fed decreases interest rates by 25 bps after December 2025 meeting? — Yes0.9707won35,000$1.0K
Fed decreases interest rates by 50+ bps after December 2025 meeting? — No0.9900won258,607$2.6K
Fed decreases interest rates by 25 bps after October 2025 meeting? — Yes0.9690won242,585$7.5K
Fed decreases interest rates by 50+ bps after October 2025 meeting? — No0.9851won94,980$1.4K
Fed decreases interest rates by 25 bps after September 2025 meeting? — Yes0.9068won223,506$20.8K
No change in Fed interest rates after September 2025 meeting? — No0.9200won80,085$6.4K
No change in Fed interest rates after July 2025 meeting? — Yes0.9648won87,000$3.1K
Will Zelenskyy wear a suit before July? — No0.9840won24,480$392
Israel x Iran ceasefire before July? — Yes0.9950won101,490$507
No change in Fed interest rates after June 2025 meeting? — Yes0.9700won189,476$5.7K
Will Lee Jun-seok be elected the next president of South Korea? — No0.9649won188,348$6.6K
No change in Fed interest rates after May 2025 meeting? — Yes0.9111won105,082$9.3K
TikTok banned in the US before May 2025? — Yes0.9960won76,925$308
No change in Fed interest rates after March 2025 meeting? — Yes0.9854won37,871$554
Will Biden finish his term? — Yes0.9676won76,618$2.5K
Will Donald Trump be inaugurated? — Yes0.9510won3,799$186
Will Biden resign before the election? — No0.9860won55,548$778
VP debate before election? — Yes0.9990won66,179$66
Israel military action against Iraq before November? — Yes0.9931won86,790$603
Trump and Harris agree to Fox News debate? — No0.9925won56,329$421
Israeli forces enters Lebanon in September? — Yes0.9960won94,458$378
Will Josh Shapiro be the 2024 Democratic VP nominee? — No0.3100won364$251
Will Kamala Harris win the 2024 Democratic Presidential Nomination? — Yes0.9708won91,581$2.7K
Will Kamala announce VP pick on Monday? — No0.8910won144$16

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 →