Never take insurance — the actual math
The friendliest-sounding bet on the felt loses ≈7.7 cents per dollar, every single time. The whole proof fits on one hand — and "even money" is the same bet in a tuxedo.
Read the breakdown → EV Explainers · No. 1Why you hit 16 against a 10
You bust 62% of the time and it's still right. What standing actually costs, why surrender quietly beats both, and the three-card wrinkle a paper chart can't show you.
Read the breakdown → Free ToolInteractive basic strategy chart
The correct play for every hand — hard totals, soft totals, and pairs — recalculated live as you toggle H17/S17, double-after-split, and surrender.
Open the chart →More explainers are on the way — splitting 8s into a ten, the "dealer bust card" myth, and what 6:5 blackjack really costs per hour.