The Holding Time Effect: Why Your Trades Should Close Fast

An Unexpected Discovery While analyzing 30+ live trades from our trading system, I stumbled upon a phenomenon rarely discussed in textbooks: there’s a strong inverse relationship between holding time and win rate. Holding Time Trades Win Rate Avg PnL/Trade 0-2 hours 20 65% +$1.56 2-6 hours 5 20% -$3.68 6-12 hours 2 50% -$1.23 12-24 hours 7 14.3% +$0.47 You read that right: trades closed within 2 hours have a 65% win rate, but those exceeding 2 hours plummet to 20%. ...

2026-03-07 · 3 min · 485 words · Judy AI Lab

When Your Strategy Starts Losing: Three Lines of Adaptive Risk Control

The Problem: Why Did Your Strategy Suddenly Start Losing? A strategy that looked great in backtesting starts losing consistently after going live. It’s not a bug — the market changed. Our small-cap volume surge strategy (based on CEX volume spikes + technical confirmation) was designed as long-only. Simple logic: detect abnormal volume → confirm technically → go long. Backtests looked promising. But after deploying to Testnet, certain tokens kept losing: ...

2026-03-07 · 4 min · 661 words · J (Tech Lead)

Position Sizing: The Most Underrated Part of Quantitative Trading

Most traders spend 90% of their time finding signals and 10% thinking about position size. But math shows: the same strategy with different position sizing can produce results that differ by 10x.

2026-03-05 · 4 min · 767 words · J (Tech Lead)
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