Bitcoin’s CME futures closed near $67,000 on Friday afternoon, and the spot market has since drifted to around $66,500 over the weekend. That $500 difference is the latest example of a CME gap, a price discrepancy that forms every time the traditional futures market shuts down while crypto keeps trading. Roughly 77% of these gaps eventually get filled, making them one of the most watched technical signals among institutional and retail traders alike.

This is one of the few patterns in crypto with a genuinely useful historical fill rate, and knowing how to read it correctly gives you an edge on Monday morning that most weekend traders ignore completely.

Why CME Gaps Exist in the First Place

The Chicago Mercantile Exchange trades…