TAIL.
Receipts, not vibes.
Free · no screenshots
The AI that audits prediction markets.
Unfakeable receipts. Skill-rated leaderboards. The truth layer for the $240B event economy.
One email when TAIL opens — nothing else.
polymarketSAMPLE · NOT A REAL CALL
TOP 1% · CUP CALLER
+412%
- Position
- YES19¢ → 97¢
- Record
- POLYMARKET · SAMPLE DATA
0x4f2a…e91dCAL 0.71tailtrades.com/r/worldcup-whale-1
How it works
- 1Paste a walletA Polymarket address, or connect Kalshi. Nothing is signed and no funds move.
- 2We verify from venue dataEvery fill re-read from the exchange and priced at VWAP — never self-reported, never a screenshot.
- 3Share receipts nobody can fakeEach card resolves to a page anyone can check, with the losses beside the wins.
The AI layer
- TerminalAsk the tape a question in plain English.With beta
- AI AuditorGrade any address on its record, flags and all.With beta
- Leak DetectionSurface the money that moved before the news did.With beta
None of the three answer real questions yet. What is live today is the receipt layer below — sample rows, stamped as such.
Smart money · 25 Jul 2026
Sample data- $4,860Fed cuts rates in September
0x4f2a…e91dBought YES 9,000 @ 54¢polymarket25 Jul 12:41 UTC
- $1,888Fed cuts rates in September
@peg_watcherSold YES 3,200 @ 59¢polymarket25 Jul 16:20 UTC
- $1,722Fed cuts rates in September
@cpi_hawkBought NO 4,200 @ 41¢kalshi25 Jul 13:52 UTC
0x4f2a…e91dYES 19¢ → 97¢polymarket
Top callers · 30D
Sample data- #10x4f2a…e91d+412%
- #2@nqwizard+150%
- #3@peg_watcher+61%
- #4@cpi_hawk−18%
- #5@downballot+27%
Ranked by calibration-weighted score, not by return — which is why a caller can rank while down on the window.