Lanssanmu
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Lanssanmu is a Polymarket wallet profile with -$311 PnL, $13.4K total volume, a 100.0% win rate, and activity across 177 markets. This page summarizes the wallet's trading record, risk signal, market activity, and generated trader overview. Risk is shown as high and should be interpreted as an analytics signal, not financial advice.
Trader Overview
A 100% win rate but down 97% of their bankroll — meet Lanssanmu, the Polymarket trader who proved that never losing a bet doesn't mean you make money.
Lanssanmu is a Polymarket "sniper" with a 100% closed-position win rate across 7 trades, yet their total PnL sits at -$311, burning through nearly all of a $655 starting deposit. They rank #2,673,552 on the Polymarket leaderboard.
Their edge? They only take tiny positions (avg $3.90 per trade) on high-volume noise, and they never let a bet expire worthless — they use a Polymarket wallet checker to find micro-arb opportunities in liquid events like Belgium vs. Egypt - Total Corners (their best trade: +$28). But they pile into losing directional plays elsewhere — their worst trade was on LoL: T1 vs KT Rolster (BO5), getting smoked despite a 100% win rate because size management was reversed (massive losses on winners, tiny wins on losers).
The fatal flaw: they buy 2.8x more shares than they sell (buy/sell ratio 2.88), meaning they're always accumulating depreciating assets. A 100% win rate on closed positions means nothing when you hold bags that never matured — and the average entry price ($0.37) suggests they're buying into fading events near expiration. It looks like free money until you check the Polymarket wallet analytics and see the portfolio is basically zero.
Lanssanmu currently has no open positions after 7 total trades over roughly 6 days (1.2 trades/day). Their only withdrawal was $20 — meaning they never took real profit. The 100% win rate is a classic survivorship bias trap: they only close winners, letting losers ride to zero. On deposits alone, they're down -96.89% ROI.
Not everyone who hits 100% on Polymarket is a whale — some are just better at hiding their losses. You can check Lanssanmu's wallet and see what the win rate actually hides using Predicts.guru's free Polymarket wallet checker to track real PnL and not just surface stats.
sniperRisk: high