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Trader Overview
BT-polymarket (0x3e8f9b935db8aa660853ce8cf340482ccc26e1eb) is a Polymarket trader sitting at rank 1918 who turned $509K in deposits into $57.9K profit on paper — but here's where it gets ugly: actual ROI is -8.36%, meaning he's down real money despite the positive PnL headline.
This is the Polymarket whale case study on why raw win rates lie. BT runs a 77.4% win rate across 39 total trades in 37 different markets over months of grinding. Sounds elite. His best trade on Presidential Election Winner 2024 netted $16.5K. Then he turned around and ate an $8.8K loss on a ZachXBT insider trading exposure market. The pattern: he's good at picking winners, terrible at sizing losers. Average entry price sits at 0.83 — he's buying conviction plays late, holding through chop, and when he's wrong the damage compounds.
Low risk label is charitable here. The real edge hack: BT trades slow and methodical. Only 0.1 trades per day. He's not panic-scalping noise or chasing volatility spikes like most Polymarket degen accounts. He's thesis-based, averaging $6K per position, picking specific event markets and sitting with them. The 15.3 buy-to-sell ratio proves it — he commits and holds, doesn't flip. That's discipline. Problem is discipline only works if your thesis is right, and at -8.36% ROI on deposits, his track record says the house edge of prediction markets is eating his edge faster than his win rate can cover it.
Current state: six open positions, $64.5K portfolio value against $509K total deposits. He's still in the game but not printing. The portfolio is frozen in mid-bleed — not crashing, not recovering. This is the Polymarket whale trap: you can be right 77% of the time and still go broke because the 23% of losses compound harder than small wins pay out. High conviction on niche events means fat positions when you're wrong. BT's wallet shows a trader with real discipline and market knowledge who hasn't solved the sizing problem. Watch this account — if he cuts his max loss down to $3K and tightens entries closer to 0.5, he flips profitable. Until then, he's a cautionary tale on why Polymarket leaderboards hide the real math.
whaleRisk: low