The figure can depend on the bet, game rules and player decisions. A casino's actual profit in a short period is not the same quantity as theoretical house edge.
Expected loss and turnover
For a bet with a 4% house edge, ₹100 in stakes has an expected net loss of ₹4. Across ₹2,000 of turnover the corresponding expectation is ₹80. This multiplication describes the mathematical model, not the result of an individual session. Reusing winnings increases turnover without requiring another deposit, which is why a deposit amount alone cannot measure exposure to the edge.
For standard single-zero roulette, a ₹100 straight-up bet returns ₹3,600 including the stake when its number wins and zero otherwise. There are 37 possible pockets, so expected return is ₹3,600 ÷ 37, approximately ₹97.30. Expected loss is about ₹2.70. The advertised 35-to-1 profit payout is not the same as a 36-times total return.
Rules and decisions change the comparison
A game's name is insufficient to identify its edge. Blackjack calculations depend on the table rules and the decisions assumed; optional side bets have their own mathematics. Some published figures use initial stakes, while others account for additional money wagered through splitting or doubling. Compare figures using compatible denominators before declaring one option mathematically better.
A common misunderstanding
House edge is not a guaranteed commission deducted from every bet. A winning bet can return the full contractual payout while the game retains a negative expectation for the player over repeated trials. A smaller edge reduces the modelled average loss per unit staked; it does not create a profitable system or protect an individual balance from a losing sequence.
In practice
In a simple model with 96% RTP, the complementary house edge is 4%. That relationship assumes the same stakes, returns and calculation basis are used for both figures.
What to check
Identify the exact bet and assumptions before comparing percentages. A lower house edge does not eliminate the possibility of losing the entire amount played.