【Polymarket user NIULAI4 profited $98,842 in the BTC 5-minute up/down market】

Polymarket user NIULAI4 profited $98,842 in the 5-minute BTC up/down market. VALIX analysis shows that 98.2% of the trades occurred in the last minute, with the median entry time of the first trade being 56 seconds before the close. Most buy prices were above $0.80, and 29.55% of the rounds saw both sides bought at the same time. This account is active for an average of 53.89 trades per hour, with $26.56 per trade, and a win rate of 81.42%. This high-win-rate arbitrage pattern in the final moments may change the microstructure of short-horizon derivatives markets. Going forward, it is important to monitor the liquidity distribution in Polymarket’s short-term BTC market and the response from market makers.