Gambling terms, explained straight

Casino & Table Games

Blackjack insurance payout

The blackjack insurance payout is the 2:1 return a player receives on the insurance side bet when the dealer's face-down card is a ten-value card, giving the dealer a blackjack.

Payout
2:1 on the insurance wager14
Maximum wager
Up to half the player's original bet15
House edge (standard)
7.4% of the insurance wager4

Key points

  • The insurance bet wins only if the dealer's hole card is a ten-value card, giving the dealer blackjack.14
  • In Spanish 21, insurance still pays 2:1 but the house edge rises to 24.7%.3
  • When a player with a blackjack takes insurance, the payout is called even money.12

Where this term is used

Not the same as

  • Blackjack rules payout — the main-hand payout schedule (e.g. 3:2 for a blackjack), not the insurance side bet

Sources

  1. Blackjack en.wikipedia.org Defines the insurance payout and the even-money term.
  2. Even money en.wikipedia.org Supports the even-money definition for players with a blackjack.
  3. Spanish 21 - Wikipedia en.wikipedia.org Provides the Spanish 21 house edge figure.
  4. Insurance in Blackjack - Just Say No! - Wizard of Odds wizardofodds.com Gives the 7.4% house edge and confirms the 2:1 payout.
  5. Blackjack wizardofodds.com Confirms the maximum wager of half the original bet.

Sources are drawn from regulators, universities and published research, and each one is labelled with what it actually is — a preprint is not called a paper. Bookmaker and affiliate pages are never cited here, because a page that sells betting is not a neutral authority on it.