Trader scans / The Turtles
Trader scans

The Turtles

The most famous experiment in trading: Richard Dennis and William Eckhardt taught complete beginners a strict channel-breakout system. The original Turtles later released the full rules free, and these scans are those rules.

1 scan family
source: The Original Turtle Trading Rules (free official document)
Channel breakouts

Price exceeds the high of the preceding 20 days. The shorter Turtle system; they entered on the touch, and the daily high records exactly that.

H > MAXH20.1
Last close: 67 matches · S&P 500 + Nasdaq 100 · 24 Aug 2026
Source: The Original Turtle Trading Rules (free official document)
System 1 breakout (short) 44 tonight System 2 breakout (long) 58 tonight System 2 breakout (short) 31 tonight

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