Trend Following Systems: Charts or Not?

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Hello Mr. Covel, I am a follower of yours for several years now since back in the day I read your book Trend Following. In one of your previous podcasts you said something in those lines: that a true trend following system does not require charts or looking at charts. Every aspect of the system can be systematized. This struck me. I totally believe it right. Unfortunately, most systems these days requires looking at charts and charts patterns. So I wonder if you know some trend following systems that do not require charts? And which are they? I know that the [name] system can qualify as one. But are there others?


PS. Forgive my poor English, I am French.

My Flagship product does not require charts. If a trend following system “requires” charts its not trend following in my opinion.