@JonathanMcBrine, Hi Jonathan. For Renko I actually never found a good book. However, I did learn a lot from "renkotraders.com" I think they are still online but not updated anymore. For the use if donchian channels I think it's best to read about the "turtle traders". Basically it's the same only on the longer periods.
JonathanMcBrine
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Can you recommend a good book about donchian channels, something that is up to date with current market strategies?