The Fee Assumption Quietly Wrong in Most Backtests
If you've written a crypto backtester, there's a decent chance one line in it is quietly wrong. It's not the slippage model, not the funding rate, not…
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What Is Drawdown? Why It Matters More Than Your Win Rate
What Is Drawdown? Why It Matters More Than Your Win Rate Every year, DALBAR — a US-based financial research firm — publishes a study on how ordinary i…
Backtesting an ICT strategy at 184 speed: timezone-cache + bisect lookup
I have been running an ICT-based reversal strategy live on US500 for a few months. The strategy itself is fine, but the bottleneck was nowhere near th…
XLI Put/Call Hit 5.32 While SPY Was at 0.44 — My Claude Scanner Caught It Live
XLI Put/Call Hit 5.32 While SPY Was at 0.44 — My Claude Scanner Caught It Live Most retail traders watch individual stocks. They'll track the put/call…