Aug 10, 2026 · 8 min
How many trades a backtest needs to mean anything
Thirty trades cannot tell a winning system from a losing one. The arithmetic that sets your real sample size, and why every variant you tried raises it.
arthur
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Aug 10, 2026latest
Feb 04, 2026 · 9 min
LLMs As Research Assistants, Not Traders
The right way to use a frontier model in trading work is as a fast, well-read junior analyst — not as a principal making calls. The framing changes which prompts you write, which outputs you trust, and where the model's value actually lives.
arthur