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Trader Overview
fengdubiying (0x17db3fcd93ba12d38382a0cade24b200185c5f6d) is a Polymarket whale sitting at rank 21 with $3.13M PnL, and the insane part is he's doing it with a 95.87% win rate across 123 trades — that's not luck, that's systematic edge.
This Polymarket trader operates like a specialist surgeon, not a generalist surgeon. 121 markets touched but deep conviction in esports — the best trade, a $818k win on LoL: T1 vs KT Rolster (BO5), shows where the real alpha lives. The worst trade, a $184k loss on LoL: Gen.G vs KT Rolster (BO5), still keeps him green. Low-risk designation with a 7.3x buy-to-sell ratio tells you this whale doesn't panic dump — he sizes correctly, lets winners ride, holds through noise.
The numbers are almost too clean. Trading at 4 per day average, $23.4k per trade average, an 18.11% ROI on $17.3M total volume. Top Polymarket traders usually chase headlines; fengdubiying appears to parse patterns others miss. 97 closed positions, 26 still breathing — the portfolio isn't bloated with zombie bets. Win rate at that level across competitive esports prediction markets suggests either insane information flow into LoL team dynamics, or a bot-like discipline nobody else maintains. The $818k single win vs $184k worst loss has a 4.4x asymmetry, which is the kind of trade construction separates Polymarket winners from lottery tickets.
Current activity shows 26 open positions still running. Reality check: 95% win rate doesn't survive every bear market or liquidity crisis — drawdowns happen. But this fengdubiying Polymarket trader profile is the anti-degen: low volatility, consistent daily volume, niche focus, and the discipline to sit with 26 open bets without capitulating. Not everyone can replicate the edge here, and the esports vertical is thin enough that information arbitrage won't stay free forever. But right now, ranked 21 globally with nearly $3.14M in prediction market PnL, this is what execution looks like.
whaleRisk: low