A 61-year-old potato farmer in work boots won an 875-kilometre ultramarathon because nobody had handed him the industry’s rulebook. What the shuffle teaches about the truths you trade by.

Destin Sandlin couldn’t ride a bike with reversed steering, then couldn’t ride a normal one. Eight dynamics from the video, and what each one looks like on a trading chart.

Blind spots, or scotomas: the parts of a chart your brain edits out. Where they come from, how they show up in trading, and how to find yours.

Outcome is noise, execution is signal. The two-grade journal, the trade that isn’t a setup, and the rule that closes the platform after a max loss.