What is a bet builder?

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A bet builder is a sportsbook feature for combining several selections from a single game into one bet. If the phrase sounds unfamiliar in the US, that is because it is mostly a British and Irish name for the thing American books market as a same game parlay. Same construction, different sign over the door.

The names, and what they all mean

One idea, several brand names. It is worth knowing them because the pricing rules follow the idea rather than the label:

  • Bet builder — the generic UK and Irish term.
  • Same game parlay, or SGP — the standard US name.
  • Bet365’s Bet Builder, FanDuel’s Same Game Parlay, DraftKings’ SGP — house names for the same feature.
  • Request-a-bet — an older, staffed version of it, where a customer asked for a combination and a trader priced it by hand.

A multi-game ticket is not a bet builder. That is an ordinary parlay — accumulator, in the same vocabulary — and it is priced by multiplying the legs, because selections in different games are close enough to independent for the multiplication to hold.

How a bet builder is priced

Not by multiplication. Because every leg comes from one game, the legs move together, and a book that multiplied them would be offering a price its own model does not believe. Books run the combination through a correlation model and quote a shorter number, or decline the combination altogether. Which legs may be combined varies by book, by sport and by market, and it changes without notice.

The practical consequence: comparing a bet builder price between two books is not the same exercise as comparing a single line between them. You are comparing two different correlation models as much as two prices.

What research can and cannot add here

It can tell you what each leg has done on its own. Every selection you might put in a bet builder is a player prop or a team market, and both have a measurable record — how often, over how many games, at home and away, against this opponent. That is the part this site measures, and it is the part most people skip.

It cannot tell you the honest combined price. That needs a joint model of the game, and we do not have one, so no figure of that kind is published here. Where a ticket in the builder ends up with two legs in one game, the card shows a correlation-adjusted estimate beside the independent one and labels both as estimates.

Common questions

Is a bet builder the same as a same game parlay?

In practice, yes. Bet builder is the term used mostly in the UK and Ireland and same game parlay is the US one; both describe combining several selections from a single game into one bet, and both are priced with a correlation adjustment rather than by multiplying the legs.

Can I use a bet builder across two games?

No — a combination spanning games is an ordinary parlay, which most books offer alongside the builder. The distinction matters for pricing: multi-game legs are multiplied, single-game legs are repriced.

Does Parlay Builder place bets in a sportsbook’s bet builder?

No. Parlay Builder is research: it scores selections, shows the history behind them and hands off. It does not accept wagers, hold funds or settle bets, and it has no connection to any sportsbook’s ticket.

Why do two sportsbooks quote different prices for the same bet builder?

Because they are pricing with different correlation models as well as different margins. Two books can agree closely on every individual leg and still disagree on the combination.

Try it on the live board

It prefers legs across different games, and says so on the card when it cannot. Build a ticket with the AI generator.

Related guides

You must be 21+ (or older, where your jurisdiction sets a higher age) to bet. If gambling stops being fun, call or text 1-800-GAMBLER for free, confidential help. All guides.

Odds and lines come from licensed data feeds and refresh on a schedule; hit rates, edges and grades are Parlay Builder’s own calculations.