2Up

Which markets and competitions qualify is set by each bookmaker, and the terms differ enough that a tool cannot assume one bookmaker's rules for another. The payout is the bookmaker's own concession, so its rules also decide what happens if a goal is later disallowed.

Matched bettors back the team at a bookmaker running the offer and lay it on an exchange, sized like any qualifying bet, back stake × back odds ÷ (lay odds − commission). Back 10 units at 2.5 and lay at 2.54 with an illustrative 2% commission, where the reader's own rate applies, and the lay stake is 10 × 2.5 ÷ 2.52 = 9.92 units. If the team never goes two up, the pair costs 0.28 units whichever way the match ends.

The offer pays when a lead is thrown away. If the team goes two up and then draws or loses, the back bet has already paid 15 units and the lay wins too, 9.92 less commission, 9.72. The pair ends 24.72 units up. Every other result is the small loss above.

In the feed, 2Up is its own feed type, GET /v2/odds/2up, with two-up accepted as an alias. Outcomes have the standard shape, back[] best price first and lay lowest price first with exchange, price, available and link on each lay offer. GET /v2/coverage lists which bookmakers and sports have rows on each product, 2up included, and this feed type serves oddsFormat=american as well as decimal.

The two-goal trigger is not in the data. The feed carries pre-match prices, and whether a team went two up is known only once the match is under way, so the early payout is settled by the bookmaker from its own terms. Nor do pre-match prices state the chance of a side going two up and then failing to win, so a tool ranks 2Up pairs on the qualifying loss it can calculate.

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