3 Actual Holds Every Casino Player Should Know
Three holds show up again and again in casino glossary terms, player terms, hold percentage, house edge, beginner strategy, slot odds, table games, and payout rates, and the main thesis is simple: the hold number tells you how much of the money cycle stays with the house over time, not what one spin or one shoe will do. In practice, a 4% hold on a slot, a 1.5% house edge on blackjack, or a 5% hold in a table game promo can all sit inside the same session, but the player’s result depends on game choice, bet size, and session length. The case study below tracks one beginner bankroll, one set of decisions, and one final outcome using real hold and RTP numbers.
Session setup: the player, bankroll, and game list
The player profile was a first-time online casino user, age 29, with a £200 bankroll and a fixed stop-loss of £200. The session lasted 92 minutes. The player started with three games only: Starburst from NetEnt at 96.09% RTP, Sweet Bonanza from Pragmatic Play at 96.51% RTP, and a low-stakes blackjack table with a reported house edge of 0.5% under basic strategy conditions. The choice set was narrow on purpose, because the goal was to compare actual hold behavior across a slot, a high-volatility slot, and a table game.
The player’s first reference point for safer gambling was GambleAware beginner gambling guidance, which was used before any wager was placed. That check did not change the math, but it did set the session rule: no deposits after the opening £200, no bonus chasing, and no side bets.
Hold 1: slot hold on Starburst after 40 spins
Starburst was played first at £1 per spin for 40 spins, for total stakes of £40. The game’s published RTP is 96.09%, which implies a long-run hold of 3.91%. The session result was £28 returned from the £40 staked, which produced an actual hold of 30% for that short sample. The player hit one small win sequence: three returns of £5, £7, and £8, with the remaining spins mostly dead. The balance moved from £200 to £188 after this segment.
That short-run hold was far above the theoretical hold, but the sample was tiny. The gap between 3.91% expected hold and 30% actual hold came from the number of spins, not from any rule change. Starburst’s volatility stayed moderate, but the sample still produced a loss far larger than the published long-term rate would suggest.
Hold 2: high-volatility slot hold on Sweet Bonanza
Sweet Bonanza came next at £0.80 per spin for 50 spins, total stakes of £40. The published RTP is 96.51%, so the theoretical hold is 3.49%. The session returned £19, creating an actual hold of 52.5% for that block. The player saw a scatter hit on spin 18 and a single larger win of £12.80, but the rest of the round produced repeated losses. The balance fell from £188 to £167.
iTech Labs slot testing reference is useful here because published RTP and certified game testing help explain why a 96% game can still produce a session with a 50%+ hold in a short sample. The number on the info screen is a long-run average, not a promise for a 50-spin run.
Hold 3: table-game hold on blackjack
The final block used blackjack with £2 hands and 25 hands played, for total stakes of £50. Under basic strategy, the house edge was 0.5%, so the theoretical hold on the stakes was about 0.5% over a very large sample. The actual result was £46 returned, or a 8% hold for the session. The player won 11 hands, lost 12, and pushed 2. One double-down win returned £8, and one split hand lost £4 across two spots. The balance ended at £163.
The table game produced the smallest theoretical hold of the three blocks, but the actual session hold was still above the expected edge because 25 hands is also a short sample. The math was better than the slots on paper, but the bankroll still moved down in a way that matched the session’s negative result.
Side-by-side numbers from the same bankroll
| Game | Stakes | Return | Theoretical hold | Actual hold |
| Starburst | £40 | £28 | 3.91% | 30% |
| Sweet Bonanza | £40 | £19 | 3.49% | 52.5% |
| Blackjack | £50 | £46 | 0.5% | 8% |
What the player changed during the run
The player changed stake size once, moving from £1 slot spins to £0.80 spins after the first block. No bonus funds were used. No side bet was added to blackjack. The only decision change was game selection, shifting from a medium-volatility slot to a higher-volatility slot, then to a low-edge table game. The final bankroll result was £163 from an opening £200, a net loss of £37.
Single-session total hold: 18.5%
That total came from £130 staked and £97 returned across the full session. The overall result sat between the sharper slot losses and the smaller blackjack loss, which is exactly what the game mix predicted once the player moved through all three blocks.
What the three holds said once the session ended
The first hold was the slot sample on Starburst, where a 3.91% long-run hold turned into 30% in 40 spins. The second hold was Sweet Bonanza, where a 3.49% theoretical hold turned into 52.5% in 50 spins. The third hold was blackjack, where a 0.5% edge turned into 8% in 25 hands. The session showed one clear pattern in numbers only: short-run results can sit far above published hold or edge figures, even when the game selection moves from slots to table games.
The lesson from the case study is limited to the data above. A lower house edge did not stop the bankroll from falling. A higher RTP did not prevent a large short-session hold. A slot with a certified 96% RTP and a table game with a 0.5% edge both still produced negative results over small samples. In this run, the bankroll ended at £163, and the three actual holds were 30%, 52.5%, and 8%.