When it comes to poker strategy, few concepts are as fundamental — and as misunderstood — as ranges. Knowing when to bet, raise, check, or call is the foundation of playing winning poker, yet even the most experienced players can often construct their ranges in ways that leak EV.

That’s exactly what poker coach Matt Hunt tackles in this GTO Wizard training video, Are Your Ranges Broken? Here’s How To Fix Them. The lesson shines a light on the difference between aggressive and defensive ranges, and how players can construct each type properly across all streets.