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
0.0000
across 38 resolved positions · lower is better
Skill vs own base rate
+100%
beating a trader who only knew how often they win
Calibration error
0.3pp
average gap between price paid and what happened
Win rate
74%
28 of 38 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%100%0%−0pp
90–100%28100%100%+0pp

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
$85
1 open position
Largest position
100%
share of open capital in one contract
Half the book
1
position holds half the exposure
Unrealised
$0
against $85 of open value

100% 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 $5 across 38 positions, with $0 of entry fees paid.

MarketPaidResultSizeP&L
Will Trump nominate Christopher Waller as the next Fed chair? — No0.9980won88$0
Will Egypt win the 2026 FIFA World Cup? — No0.9980won86$0
Will Uruguay win the 2026 FIFA World Cup? — Yes0.0110lost330−$4
Will the Chicago Bulls win the 2026 NBA Finals? — Yes0.0020lost440−$1
Will the Washington Wizards win the 2026 NBA Finals? — Yes0.0020lost874−$2
Will the Brooklyn Nets win the 2026 NBA Finals? — No0.9950won93$0
Will the Charlotte Hornets win the 2026 NBA Finals? — No0.9940won386$2
Strait of Hormuz traffic returns to normal by end of June? — Yes0.0020lost409−$1
US x Iran permanent peace deal by June 15, 2026? — No0.0070lost151−$1
Will Athletic Club win the 2025–26 Champions League? — No0.9980won90$0
Will Club Brugge win the 2025–26 Champions League? — No0.9990won91$0
Will Villarreal win the 2025–26 Champions League? — Yes0.0030lost282−$1
Will Union Saint-Gilloise win the 2025–26 Champions League? — No0.9990won92$0
Will Brighton win the 2025–26 English Premier League? — No0.9986won157$0
Will Tottenham win the 2025–26 English Premier League? — No0.9990won89$0
Will Leeds win the 2025–26 English Premier League? — Yes0.0030lost291−$1
Will Leeds win the 2025–26 English Premier League? — No0.9980won94$0
Khamenei out as Supreme Leader of Iran by February 28? — Yes0.9990won87$0
Will the Cleveland Browns win Super Bowl 2026? — No0.9990won91$0
Will the Minnesota Vikings win Super Bowl 2026? — No0.9980won95$0
Will the New Orleans Saints win Super Bowl 2026? — No0.9990won93$0
Will the Tennessee Titans win Super Bowl 2026? — Yes0.0060lost397−$2
Will the Arizona Cardinals win Super Bowl 2026? — No0.9940won379$2
Will the New York Jets win Super Bowl 2026? — No0.9950won34$0
Will the Carolina Panthers win Super Bowl 2026? — No0.9950won410$2
Will the Miami Dolphins win Super Bowl 2026? — No0.9940won408$2
Will the price of Bitcoin be above $86,000 on January 11? — Yes0.9990won87$0
Will Lilo & Stitch be the top grossing movie of 2025? — No0.9980won90$0
Will Saudi Aramco be the largest company in the world by market cap on December 31? — Yes0.0030lost304−$1
Will How to Train Your Dragon be the top grossing movie of 2025? — Yes0.0030lost341−$1
Will MrBeast reach 450 million subscribers in 2025? — Yes0.9990won93$0
Will The Fantastic Four: First Steps be the top grossing movie of 2025? — No0.9950won380$2
Will How to Train Your Dragon be the top grossing movie of 2025? — No0.9990won407$0
Will Vladimir Putin be the first leader out in 2025? — No0.9990won404$0
Will the price of Bitcoin be above $94,000 on December 18? — No0.9980won90$0
Fed decreases interest rates by 50+ bps after December 2025 meeting? — No0.9915won188$2
Will George Russell be the 2025 Drivers Champion? — No0.9930won372$3
Will Zellnor Myrie win the 2025 NYC mayoral election? — No0.9990won410$0

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 →