Roulette bet dem · Even-money bet · rouge/noir · 8 minute

Red or black bet inna roulette

Inna roulette, red or black cover eighteen numba a one colour: a di even-money bet weh evryting else measure against.

Short ansa

Eighteen numba, it pay 1:1. Probability 48.65%, not 50%: zero mek di difference.

it cover
18 / 37
probability
48.65%
it pay
1:1
SD fi evry $1
1.00
Pon di table · 18 numba
Pon di wheel
0321519421225173462713361130823105241633120143192218297281235326

Weh fi put it

Di redbet demRedEven-money bet pon di 18 red numba. Inna French: rouge.Read di whole ting → diamond an di blackbet demBlackEven-money bet pon di 18 black numba. Inna French: noir.Read di whole ting → diamond box among di outside betbet demOutside betA bet pon di box dem roun di grid: dozen, column an even-money bet.Read di whole ting →, or di word rouge an noir pon a French betting layoutgearBetting layoutDi bettin grid weh print pon di table. Nex name: table, felt, cloth.Read di whole ting →. Each one mus meet di table minimum. Red numba: 1 3 5 7 9 12 14 16 18 19 21 23 25 27 30 32 34 36. Black: di odda eighteen. Zeropon di wheelZeroDi one green pocket weh no even-money, dozen or column bet nuh cover; a weh di house edge come fram. Nex name: single zero, 0.Read di whole ting → green an it nuh belong to neida one.

Weh di ball go pon red% a di spin dem
dis bet win
48.65%
anodda numba
48.65%
zero
2.70%
% a di spin dem
024.3248.65%

Di table limit dem inna roulette

Payout an di chance fi win pon red or black inna roulette

Di fair odds gainst 18 outta 37 a 1.056 to 1; di table pay 1. A $10 roulette bet pon red weh hit gi yuh $10. Ova 37 average spin: 18 win (+$180), 18 loss (−$180), one zero (−$10). Net −$10 pon $370.

$10 × 100 spinred
probability fi evry spin48.65%
win yuh expec inna 100 spin48.6
result yuh expec−$27.03
standard deviation$100
p(nuh win inna 100 spin)0.000000%
longest losin run weh normal7 spin
Di same expected loss like evry odda bet. A di spread yuh a choose.

Run dem

Red an black tek turn pon di wheel, but not inna time. Ten red inna a row have a probabilitymathsProbabilityDi chance fi a result, fram 0 to 1 or 0% to 100%. One numba: 1/37 = 2.70%.Read di whole ting → a (18/37)¹⁰ = 0.074%, bout one time inna evry 1,350 window a ten spin; inna a casino wid twenty table a run 50 spin a hour, it happen somewhere most days. None a dat nuh seh nutten bout spin eleven, weh a 18/37 red like evry spin bifo it.

Probability a k red inna a row%
2 inna a row
23.67%
3 inna a row
11.51%
4 inna a row
5.60%
5 inna a row
2.72%
6 inna a row
1.33%
8 inna a row
0.314%
10 inna a row
0.074%
%
011.8323.67%
(18/37)ᵏ fi one single run weh start right now. Ova a long session, di chance dat a run like dat show up somewhere much higher.

Probability a run inna roulette

Wah mek di system dem live yah suh

Red/black a di closest di table come to a coin toss, an dat mek it di natural base fi progressionstrategy demProgressionAny rule weh change di stake based pon di result dem weh pass. Negative progression raise it afta loss, positive progression afta win.Read di whole ting →: Martingalestrategy demMartingaleProgression weh double di bet afta evry loss. Look inna di Strategy section fi see wah it do an wah it nuh do.Read di whole ting →, D’Alembert, Fibonaccistrategy demFibonacciProgression weh follow di sequence 1, 1, 2, 3, 5, 8, 13…: one step forward afta a loss, two step back afta a win.Read di whole ting →, Labouchèrestrategy demLabouchèreCancellation system: write a line a numba, bet di sum a di two end, cross dem off afta a win, add di stake weh yuh lose afta a loss.Read di whole ting → an Parolistrategy demParoliPositive progression: double afta a win, start ova afta a loss or afta tree win straight. Nex name: reverse Martingale.Read di whole ting → all a dem build pon a even-money betbet demEven-money betRed/black, odd/even, high/low. 18 numba, pay 1:1.Read di whole ting →. Evry one a dem have a expected lossmathsExpected lossExpected value times all di money yuh bet; di average amount yuh lose ova a session or a period (di loss yuh fi expec pon average).Read di whole ting → a 2.70% a di total turnovermoney mattaTurnoverAll di money yuh bet ova a session or a period, countin di winnins yuh bet again (all di money yuh bet, roun afta roun). Nex name: handle, action.Read di whole ting → pon dis bet, 1.35% pon a la partagerule demLa partageFrench rule: wen zero hit, half a di even-money stake come back. It cut di house edge pon dem bet deh inna half, to 1.35%.Read di whole ting → table. Di strategy page dem show wah each one do to di shape a a session.

Ten session a $10 flat pon redresult versus di start
+$360$0−$500+$160−$2500125250375500spinresult
1,000 session × 500 spin · violet p10/p25/p75/p90, light blue median, 81 faint sample · move ova di chart fi see di quantile dem at a spin
  • p10 −$420
  • p25 −$280
  • median −$140
  • p75 +$20
  • p90 +$140
1,000 session × 500 spin · y-axis cut to di 1st–99th percentile (di extreme dem: −$500 to +$560) · 500 spin · $10 base · even-money bet

Fibonacci strategy fi rouletteLabouchère strategy fi roulette

French rule dem

Wid la partage or en prisonrule demEn prisonFrench rule: wen zero hit, dem hold a even-money bet fi di nex spin instead a yuh lose it. It cut di house edge pon dem bet deh inna half.Read di whole ting →, di edge pon dis bet cut inna half to 1.35%. Dat a di one fact pon dis page weh worth di most: if yuh a go bet red, find a French table.

La partage: wen zero come up, half a evry even-money bet go back to di playa.

Di En Prison rule inna rouletteFrench roulette

Di 1913 run

Pon 18 August 1913 at Monte Carlo, black come up 26 time inna a row. Playa crowd roun di table fram bout di fifteenth black come up, an dem bet red cause dem tink it did “due”, an dem lose millions a franc. Di probability a 26 black a (18/37)²⁶, bout one outta 137 million; di probability dat smaddy, somewhere, would see it one day did a one.

Question dem

Red more likely dan black?

No. 18 fi each one.

Which colour most people bet?

Red, by a likkle bit, inna most a di study dem weh look pon how people bet at di table. It nuh change nutten.

Red an black tek turn pon di wheel?

Yes, perfec. Pon di layout dem look scatta cause di layout go inna countin order.

Sumting fi laugh

Di wheel nuh have nuh memory. Di playa dem have too much.

Di wheel nuh have nuh memory. Di playa dem have too much.

Source dem

  1. Ethier, S. N. The Doctrine of Chances: Probabilistic Aspects of Gambling. Springer, 2010. Chapta 13, roulette.
  2. Feller, W. An Introduction to Probability Theory and Its Applications, Vol. 1. Wiley, 3rd ed., 1968. Gambler’s ruin, chapta XIV.
  3. Schwartz, D. G. Roll the Bones: The History of Gambling. Gotham, 2006.
wi check it 2026-09-28model: European wheel, single zeroow wi work it out ↗source dem ↗