topic,inputs,formula,result,plain_english
roulette expected cost,"$1,000 action; 2.7027% edge",1000 × 0.027027,$27.03 expected cost,"This is a long-run average, not a prediction of a $1,000 session."
baccarat Banker expected cost,"$2,000 action; 1.0579% edge",2000 × 0.010579,$21.16 expected cost,Actual session results can be much higher or lower.
sportsbook overround,1.91 / 1.91,1/1.91 + 1/1.91 - 1,4.712% overround,"This describes the displayed market price, not guaranteed operator profit."
bonus contribution,"$2,000 credited wagering; 25% contribution",2000 / 0.25,"$8,000 actual action",A low contribution rate can multiply the real wagering volume.
push settlement,$100 stake; push,stake returned,$100 gross return; $0 profit,Common treatment shown; always check the market rules.