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PolyRadar watches every large trade on Polymarket and scores the ones whose shape looks informed: a wallet opened days ago, long odds, real size, a short clock.
Arithmetic over public on-chain data, measured against the market's own odds.
Subscribers are alerted in real time.
PolyRadar's own live signals, replayed: 453 resolved Polymarket positions beat the odds they paid by 4.6 points. 95% interval: +0.5 to +8.7.
An earlier run, on a quarter of that sample, came out negative. We published that one too.
Flagged at 40¢. The market now prices it at 80¢.
Will Jeremiah Smith win the 2026 Heisman Trophy? — Wallet 0x2c33…0563 put $60k on No at 40¢, on this Polymarket market's own scheduled end date. Still open — it can still go the other way. Subscribers saw the entry in real time.
1,061 large sports trades on Polymarket clearing our flag threshold, replayed against the odds each paid: +4.0 points, interval +1.2 to +6.9.
Outside sports the same bar is -0.6 over 91, interval -9.9 to +8.6. The threshold is carried by the one category we refuse to publish.
Every flag PolyRadar raises is arithmetic you could redo yourself: ticket size against the market's own 24h tape, wallet age at the moment of the trade, entry price, and days left on the clock.
All public Polymarket inputs. We just watch all of it at once.
US Open WTA: Madison Keys vs Alina Korneeva
A 6-day-old wallet put $33k on Madison Keys at 85¢, with 5 days left on this Polymarket market. It resolved Madison Keys, modeling $6k profit.
PolyRadar flagged the entry while the market was still open — subscribers saw it live.
Will Karen Bass win the 2026 Los Angeles mayoral election?
Wallet 0x629b…995a put $26k on No at 44¢, with 99 days left on this Polymarket market. It resolved No, modeling $33k profit.
PolyRadar flagged the entry while the market was still open — subscribers saw it live.
Flagged at 45¢. The market now prices it at 91¢.
Strait of Hormuz traffic returns to normal by December 31? — Wallet 0xfc2f…10c7 entered this Polymarket position at 45¢. Still open — it can still go the other way.
PolyRadar watches Polymarket for large trades whose shape looks informed: a young wallet, long odds, real size, a short clock.
It scores them with arithmetic over public on-chain data. No model guesses at motive, and nobody here calls it insider trading.
Our insider score sorts Polymarket trades. It does not rank them. Of five score bands over resolved sports positions, one beats the odds it paid with an interval clear of zero: 40-54, +3.7 points over 1,054 resolved, interval +0.7 to +6.6.
The band above it: -2.1 over 36.
Flagged at 42¢. The market now prices it at 85¢.
Will Anthropic have the highest IPO Market Cap 2026? — Wallet 0xdf1c…2ebb put $18k on No at 42¢, with 125 days left on this Polymarket market. Still open — it can still go the other way. Subscribers saw the entry in real time.
Flagged at 26¢. The market now prices it at 97¢.
Will Republicans lose the Alaska, Iowa, Kansas, Maine, Mich… — Wallet 0xe234…304a entered this Polymarket position at 26¢. Still open — it can still go the other way.
Flagged at 44¢. The market now prices it at 100¢.
Will Karen Bass win the 2026 Los Angeles mayoral election? — Wallet 0x629b…995a entered this Polymarket position at 44¢. Still open — it can still go the other way.
Flagged at 32¢. The market now prices it at 97¢.
Will Republicans lose the Alaska, Iowa, Kansas, Maine, Mich… — Wallet 0xc851…cd2a entered this Polymarket position at 32¢. Still open — it can still go the other way.
Flagged at 23¢. The market now prices it at 97¢.
Will Republicans lose the Alaska, Iowa, Kansas, Maine, Mich… — Wallet 0x6139…6b7a entered this Polymarket position at 23¢. Still open — it can still go the other way.
Flagged at 32¢. The market now prices it at 97¢.
Will Republicans lose the Alaska, Iowa, Kansas, Maine, Mich… — Wallet 0x4c8c…e36f entered this Polymarket position at 32¢. Still open — it can still go the other way.
Flagged at 32¢. The market now prices it at 95¢.
Will Republicans lose the Alaska, Iowa, Kansas, Maine, Mich… — A 6-day-old wallet entered this Polymarket position at 32¢. Still open — it can still go the other way.
Flagged at 32¢. The market now prices it at 95¢.
Will Republicans lose the Alaska, Iowa, Kansas, Maine, Mich… — Wallet 0xa5e2…84dc entered this Polymarket position at 32¢. Still open — it can still go the other way.
Flagged at 32¢. The market now prices it at 95¢.
Will Republicans lose the Alaska, Iowa, Kansas, Maine, Mich… — Wallet 0x614d…1546 entered this Polymarket position at 32¢. Still open — it can still go the other way.
Flagged at 23¢. The market now prices it at 95¢.
Will Republicans lose the Alaska, Iowa, Kansas, Maine, Mich… — Wallet 0xe234…304a entered this Polymarket position at 23¢. Still open — it can still go the other way.

