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The full syllabus
Day 19 / 100FoundationDays 1–20

Position size calculation — the math you'll use on every trade

Video + exercise50 minTaught with Rayner Teo

This is day 19 of the 100-Day Challenge, in the Foundation phase. How price actually moves. Candles, structure, support, risk. The boring part everyone skips — and the reason they stay stuck.

The lesson is built around a video we went and found from Rayner Teo — the clearest explanation of this topic that already exists — followed by an exercise you do on a real chart, which the AI then marks. You do one lesson a day, in order. You cannot jump ahead and you cannot binge it; that is the entire point.

The lesson itself opens inside the challenge

Start the free week — no card — and your first lessons open today, one a day. Or read the whole syllabus first, every source named, before you decide.