What are the odds of Straight-up 0 on a single Gold Vault Roulette round?

2.70% per round, or about 1 in 37. Every round is independent, so this number never changes with what came before.

How many Gold Vault Roulette rounds until Straight-up 0 is likely?

On average one hit every 37 rounds; half of all waits are over within 26 rounds. For a 90% chance of at least one hit you need 85 rounds, for 99% about 169.

Is Gold Vault Roulette "due" a Straight-up 0 after a long wait?

No. A wait of 120 rounds without Straight-up 0 happens 3.7% of the time from any starting point, and the next round still has the same 2.70% chance. The calculator tells you how unusual a wait is, not that a hit is coming.

Gold Vault Roulette Bonus probability calculator

Straight-up 0 lands on 2.70% of Gold Vault Roulette rounds (1 in 37). Pick an outcome and a number of rounds to see the odds, the average wait and how unusual the current drought is.

Game

OutcomeNext N roundsRounds since last hit

At least once in 50

74.6%

Chance per round

2.70%

1 in 37.0

Average wait

median 26 rounds

Rounds for 90% / 99%

85 / 169

A wait of 0 rounds without Straight-up 16 has a 100.0% chance of happening from any starting point: common - waits this long happen all the time. The next round's chance is still 2.70%.

Formulas: P(at least one in N) = 1 - (1 - p)^N; average wait = 1 / p; P(wait ≥ k) = (1 - p)^k.

Theoretical p = the published rules; source: content-src/guides/gold-vault-roulette/rtp.md (Evolution rules page for the Gold Bar ladder; 97.03%/97.30% are cross-checked review-site figures, Evolution publishes no RTP sheet).

Each round is independent: past results do not change the next round's odds, and no wait makes an outcome "due". Theoretical figures come from the provider's published rules; observed figures come from our own tracker and change as rounds arrive. 18+. Past results do not predict future outcomes. Play with money you can afford to lose.

Frequently asked questions

What are the odds of Straight-up 0 on a single Gold Vault Roulette round?: 2.70% per round, or about 1 in 37. Every round is independent, so this number never changes with what came before.
How many Gold Vault Roulette rounds until Straight-up 0 is likely?: On average one hit every 37 rounds; half of all waits are over within 26 rounds. For a 90% chance of at least one hit you need 85 rounds, for 99% about 169.
Is Gold Vault Roulette "due" a Straight-up 0 after a long wait?: No. A wait of 120 rounds without Straight-up 0 happens 3.7% of the time from any starting point, and the next round still has the same 2.70% chance. The calculator tells you how unusual a wait is, not that a hit is coming.
Where do the theoretical and observed numbers come from?: Theoretical odds use the published rules (content-src/guides/gold-vault-roulette/rtp.md (Evolution rules page for the Gold Bar ladder; 97.03%/97.30% are cross-checked review-site figures, Evolution publishes no RTP sheet)). Observed figures come from the rounds our tracker has recorded and change as new rounds arrive.

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