Bet Types: How Singles, Accumulators and Systems Really Settle
A bet type is the wrapper around your selections: it decides how many outcomes must win, how odds are combined and what happens when one leg is void. Two bettors can pick exactly the same three matches and walk away with very different results simply because one placed singles and the other a system. Below, each format is explained with neutral examples in units, so you can work out the return yourself before confirming anything on a bet slip at Xjwin or anywhere else.
Single
One selection, one stake. Return = stake × odds if it wins. Singles carry only one market's margin, which makes them the cheapest way to bet in the long run and the easiest to analyse afterwards. A 10-unit single at 1.90 returns 19 units (9 profit).
Accumulator (parlay, multiple)
Several selections in one bet; odds are multiplied and every leg must win. Three legs at 1.90, 2.00 and 1.80 give combined odds of 6.84, so 10 units return 68.4. The catch is that margins multiply too: three legs with roughly 5% margin each leave the book with about a 16% edge on the combined bet. Most sportsbooks forbid related selections in one accumulator (for example a team to win and the same team to win by two or more), because the outcomes are not independent.
System bets: Trixie, Patent, Yankee and friends
A system bet is a bundle of accumulators covering combinations of your selections, so that one losing leg does not sink everything. You pay a stake for every line in the bundle.
| System | Selections | Lines | What it contains |
|---|---|---|---|
| Trixie | 3 | 4 | 3 doubles + 1 treble |
| Patent | 3 | 7 | 3 singles + 3 doubles + 1 treble |
| Yankee | 4 | 11 | 6 doubles + 4 trebles + 1 four-fold |
| Lucky 15 | 4 | 15 | 4 singles + 6 doubles + 4 trebles + 1 four-fold |
A Yankee at 1 unit per line costs 11 units, not 1. That is the most common surprise with systems: the total stake is the unit stake times the number of lines. Systems smooth variance, but every line still pays the compounded margin of its legs.
Handicap bets
A handicap adds or subtracts goals, points or games from one side before settlement. European (three-way) handicap keeps a draw outcome: Team A −1 wins only if A wins by two or more, a one-goal win settles as "handicap draw". Asian handicap removes the draw and uses whole, half and quarter lines.
| Final score (A–B) | A −1 (European) | A −1 (Asian) | A −1.5 (Asian) |
|---|---|---|---|
| 3–1 | Win | Win | Win |
| 2–1 | Loses (handicap draw wins) | Refund | Loses |
| 1–1 | Loses | Loses | Loses |
Over/under (totals)
Totals ask whether the combined count — goals, points, games, corners — lands above or below a line. Half lines (2.5) always settle win or lose. Whole lines (2.0) refund on the exact number. Quarter lines (2.25, 2.75) split the stake across the neighbouring lines.
| Total goals | Over 2.0 | Over 2.25 | Over 2.5 |
|---|---|---|---|
| 1 | Loses | Loses | Loses |
| 2 | Refund | Half refund, half lost | Loses |
| 3 | Win | Win | Win |
What a void leg does to your bet
If a match is postponed or abandoned and a leg is declared void, that leg is normally treated as odds of 1.00. A single is refunded; a three-leg accumulator becomes a double at the odds of the remaining two legs. The exact rules for abandoned matches, minimum played time and dead heats are set by the operator's sportsbook rules, so read them once before relying on long accumulators.
Live bets and cash out are not separate bet types
A live (in-play) bet is still a single or an accumulator — only the timing differs, and live margins are usually higher. Cash out is an offer to close a bet early; its fair value is roughly stake × original odds ÷ current odds, and offers usually sit below that. Both are covered in more detail in the sports betting overview.
Choosing a format that matches what you know
- If you have one opinion, bet a single. Adding legs adds margin, not insight.
- If you have three or four opinions of similar strength, a system spreads risk but multiplies the stake — compare its cost with simply staking singles.
- Use handicaps and totals when you have a view on margin of victory or game tempo rather than the winner.
- Whatever the format, decide your unit stake and your total for the day before the first bet.
Sport-specific markets are covered in the football, basketball, tennis and cricket guides.