nervem13 Polymarket trader went 20 for 20 on micro 5-minute Bitcoin volatility windows, turned $49.7K into $108K in pure PnL, then somehow blew the entire thing back to zero — perfect win rate, perfect loss. nervem13 is rank 1958 on Polymarket leaderboards, pure sniper type. The play: hyper-short Bitcoin Up/Down prediction markets, five-minute candles, rapid entries and exits. Nineteen different markets touched, $144K total volume, average trade size around $181. This is not someone taking 30-minute thinking breaks between positions. The edge hack is dead simple and terrifying. nervem13 doesn't guess direction — he scalps volatility compression into micro-timeframe binary bets. Bought the dip at 0.44 average entry price across the portfolio, held for literal minutes, exited on the bounce. On Bitcoin Up or Down - March 3, 5:20PM-5:25PM ET, pulled $25.2K from a single 5-minute window. Best win, worst loss only $113 — the ratio screams algorithmic timing or pure luck. One of those two. Here's the kicker: 100% win rate across 20 trades is mathematically insane. Then the ROI reads negative 100. All $58.3K in realized gains vanished. Likely explanation — nervem13 went back in, got greedy, held through a reversal on one of those six open positions still breathing on the books. The buy-sell ratio of 12.6 to 1 suggests he's holding more than he's closed. Looks like a trader who mastered entry-exit micro-timing but learned the hard way about position sizing and drawdown management. Polymarket whale he is not. Polymarket object lesson he might be. The wallet shows zero withdrawals, meaning every dollar lives on-chain, every position still open is current risk. nervem13 proved prediction market PnL on ultra-short timeframes is real — then proved it can evaporate just as fast. Perfect execution on volatility scalping only works if you know when to stop.