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Number 30 — the complete card

30 pays 35:1 straight-up ($10 wins $350 profit) on every wheel. It’s red, even, high (19–36), dozen 3, column 3, and hits 1 in 37 European spins / 1 in 38 American. ⚙ computed

On the wheel

European rim, reading 36 · 11 → 30 → 8 · 23. American rim: 9 · 26 → 30 → 11 · 7. Racetrack membership: Tiers du Cylindre — the announced bets that physically cover this pocket (math here). “Neighbour” talk means the rim, never the felt — two different maps.

On the felt

Street trio: 28-29-30 (11:1). Split partners on the grid: 29, 27, 33 (17:1 each) — an edge-of-grid number, fewer corners than the interior. Every combination prices identically: the 36-pocket fiction doesn’t care which squares you pick.

Betting 30 — the honest numbers

At $10 per spin, 100 spins of straight 30 wagers cost an expected $27 on European wheels and $53 on American — identical to any bet, wrapped in maximum volatility (SD 5.8). Back-to-back 30: 1 in 1,369. In our 3.7-million-spin reference run, 30 landed 99,826 times against 100,000 expected (-0.17%) — textbook uniformity, the same verdict every number gets.

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Related

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Frequently asked

What does 30 pay in roulette?
35 to 1 straight-up — a $10 bet returns $350 profit plus your stake. Splits touching 30 pay 17:1, its street 11:1.
Is 30 red or black in roulette?
30 is red — fixed by the traditional color chart on every wheel, even and high (19–36) for outside-bet purposes.
What are the neighbours of 30 on the wheel?
European rim: 11 and 8 adjacent, 36 and 23 beyond — a five-number “neighbours” call covers exactly this arc. Felt neighbours are different animals — wheel order and grid order share nothing.