High‑frequency wallet wins

One wallet turned thousands of tiny Bitcoin bets into a reported $37,990 profit over eight days, making 9,278 trades in 5-minute prediction markets. (x.com) The account traded about $1.73 million in volume and posted a 52.9% win rate, according to the performance screenshots shared on X. That works out to roughly 1,160 trades a day, or about one trade every 37 seconds if spread evenly across the full eight-day stretch. (x.com) These markets are short-duration contracts on whether Bitcoin will finish above or below an opening “price to beat” over a five-minute window. On Polymarket, winning shares redeem for $1 and losing shares go to $0 when the market resolves. (polymarket.com) (docs.polymarket.com) Polymarket’s own listings say prices update in real time as traders react to live Bitcoin moves, and its developer documentation offers public market data feeds over WebSocket connections. That setup makes automated or semi-automated trading possible in a format built around very short holding periods. (polymarket.com) (docs.polymarket.com) The platform added taker fees to 5-minute crypto markets in a March 2026 product update, using the same fee curve as its 15-minute crypto markets and pairing it with maker rebates for liquidity providers. That means any strategy trading thousands of times now has to overcome not just coin-flip odds, but fees on repeated entries and exits. (docs.polymarket.com) Polymarket says its 5-minute Bitcoin markets are designed for traders reacting to live price moves, and individual contracts can draw six-figure volume. One March 28 market page showed $155.4 million in total trading volume, underscoring how much activity is concentrated in these ultra-short windows. (polymarket.com) A 52.9% hit rate does not look dramatic on its own. In a market where each winning share pays $1 and each losing share pays nothing, a small edge can add up if position sizing is disciplined and the trader repeats it thousands of times. (docs.polymarket.com 1) (docs.polymarket.com 2) The screenshots do not, by themselves, show whether the wallet was fully automated, how much slippage it paid, or whether the gains came mostly from directional calls, market making, or rebates. But they do show the basic shape of the trade: not a single lucky bet, but a machine-like stream of small decisions on a five-minute clock. (x.com)