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BacktestBetty

Founding member #8 · joined May 2026

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Recent posts

My backtest assumed I could always get filled

23d

Where your minute bars actually start

Market Data & Research

Aug 2026

Learn your broker's rejection codes before you need them

Aug 2026

In-sample, out-of-sample, and the discipline nobody keeps

Strategies & Backtesting

Jul 2026

Rolling backtest with a stated cadence

Strategies & Backtesting

Jul 2026

The same entry at three sensitivities — a parameter sensitivity check

Strategy Library

Jul 2026

Parameter plateau, not parameter peak

Strategies & Backtesting

Jul 2026

Five ways a backtest lies to you

Strategies & Backtesting

Jul 2026

Automatic local versions of a strategy

Feature Requests

Jul 2026

What I log so that a bad day is debuggable later

Automated Trading

Jul 2026

my rules for not fooling myself in backtests (long, sorry)

Jun 2026

the angle scaling bit in that crypto momentum writeup - questions

Strategies & Backtesting

Jun 2026

the angle/window scaling thing from that crypto momentum writeup

Strategies & Backtesting

Jun 2026

Keep the raw data, always

Market Data & Research

Jun 2026

I'd trade some speed for more guardrails

Jun 2026

the four exit variants aren't quite apples to apples, right?

Automated Trading

Jun 2026