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Every market and every score line carries a period. The vocabulary is generic and shared across all sports — result, fulltime, p1, p1+p2, fulltime+overtime, p1g6, and 200-odd more. Enumerations → period is the reference list. This guide answers the question the reference list does not: which periods a given sport actually has, and why fulltime exists for soccer but not for MMA.

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The two whole-match periods

result is never withheld and never derived. If you only ever consume one whole-match period, consume result. Every market carries a non-empty period. A blank value was possible on a handful of markets until 2026-10-01; it is not any more.

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When does fulltime exist?

The rule: ask “does this sport have a defined end of regulation, with a further phase after it that can still add to the score?”Yes → fulltime is a distinct fact, and markets are offered on both. No → fulltime and result would be two names for one number, so only result is published.
Soccer is the reason the period exists at all. A cup tie that ends 1–1 after 90 minutes and 2–1 after extra time has two genuinely different answers to “who won”: a draw at fulltime, a home win at result. A 90-minute 1X2 market deliberately excludes what comes after, and that exclusion is the product.

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The discriminator is not “is the sport time-bounded”

This is the common mistake. The question is about a scoring phase after the boundary, not about clocks.
Baseball has no timer. It still has a defined end of regulation — nine innings — and extra innings after it that add runs. So fulltime (through nine) and result (including extras) are different numbers, and both are published.
A bout has a fixed round count, so it looks time-bounded. But nothing after the final round adds to the score: the judges’ decision names a winner, it does not extend the contest. The score at the end of the final round is the result. Publishing fulltime there would be a second label for one number, so MMA and boxing markets sit on result only.
Play-to-target sports have no regulation cutoff at all. There is no moment where the score is provisional and a later phase might move it — the match simply ends. Only result (plus the set/leg/frame periods p1, p2, …).

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Sports where both are published

These sports have a scoring phase after regulation — overtime, extra time, a shootout, extra innings or a golden point — so fulltime and result are distinct: Soccer, Basketball, Baseball, American Football, Ice Hockey, Handball, Rugby, Cricket, Waterpolo, Futsal, Aussie Rules, Field Hockey, Floorball, Beach Soccer, Pesapallo, Lacrosse, Bandy, Kabaddi, Rink Hockey, Gaelic Football, Netball, Gaelic Hurling, Softball, eSoccer, eBasketball — 25 sports. Everywhere else — MMA, Boxing, Tennis, Darts, Snooker, Table Tennis, Volleyball, Squash, Badminton, Curling, Padel, Golf, Cycling, Athletics, Judo, Speedway, Bowls, Cross-Country, Beach Volley, Beach Handball, Basketball 3x3, and every esports title — whole-match markets are on result, and there is no fulltime bucket to look for.
Do not hard-code this list. It is what ships today, and sports get added. Read the period off the market itself; treat “this sport has no fulltime” as an observation, not a constant.

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Soccer’s shootout, specifically

Soccer is the one sport where the shootout tally is folded into the result score rather than being reported as a separate segment. A tie decided 4–3 on penalties after 1–1 is carried as a 1–1 fulltime and a shootout-inclusive result. Other sports that go to a shootout report the phase separately. This is also why the penalties score period is cumulative today rather than segment-only — see the note in Enumerations → period.

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Periods inside the match

Beyond the two whole-match values, period also names segments. What p1 means is sport-dependent, which is the whole point of a generic vocabulary: Use the fixture’s expectedPeriods and periodLength to interpret them rather than branching on sportId. Combined segments (p1+p2 = first half in a quarter sport, p3+p4+overtime = second half including OT) and sub-period grids (p1g6 = game 6 of set 1, p1r13 = round 13 of map 1) follow the same principle.

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Grouping markets in your client

Markets are keyed by marketType × period. Two rules keep that grouping stable:
1

Never synthesise a period

Do not assume a sport offers fulltime and fall back to result when the lookup misses. If a market is published on result, that is the whole-match market — an empty fulltime bucket is not a gap.
2

Pin to marketId where you can

marketId is sticky: it never changes for a market and never gets reused. marketType and period are descriptive and can be corrected — as they were on 2026-10-01, when 26 sports moved their 1x2 from fulltime to result under exactly the rule above. Clients keyed on marketId saw nothing; clients keyed on marketType × period had to regroup.
The period vocabulary is append-only — new sports introduce new keys (esports round grids are the most recent). Pass unknown period strings through rather than rejecting them.

Enumerations → period

The full reference list of period values.

Market coverage

Which market types exist per sport, and how they are scoped.

Parlays & SGP

Combining legs across periods and fixtures.

Changelog

Registry changes, including period corrections.