Kalshi settlement rules and sources, 2026

• Window: a fresh snapshot of current listings every 6 hours since 10 September 2026, in UTC. Closed markets drop out at the next refresh.
• Grain: one row per open market, 5,420 markets in 641 events at the 14 September 2026 snapshot.
• Which markets: every open market in 75 series. 64 were in Kalshi's top 40 by 24-hour volume or open interest on 10 September 2026. The other 11 cover the consumer price index, payrolls, GDP, the federal funds rate and daily highs in seven US cities. On 14 September 2026, 72 of the 75 series had open markets.
• Categories: sports holds 4,311 markets in 31 series. Crypto, economics, elections and financials hold 100 to 350 markets each.
• Settlement sources: the 72 series name 58 addresses on 49 websites, between 1 and 15 for one market. ESPN is named by 21 series, Fox Sports by 12, the NFL by 9 and the Associated Press by 8.

• market_ticker, event_ticker, series_ticker — the market, its event and its series.
• title, yes_sub_title, no_sub_title, subtitle — the question and what each side is on.
• rules_primary, rules_secondary, early_close_condition — the rule in one sentence, up to about 4,600 characters of detail, and when a market can end early.
• strike_type, floor_strike, cap_strike, market_type — how the outcome is compared with the strike, in the series' own unit; every market is binary.
• can_close_early, settlement_timer_seconds — whether a market may close early, and the settlement delay in seconds, usually 300 or 60.
• open_time, close_time, expected_expiration_time, expiration_time, latest_expiration_time, occurrence_at — when a market opens, closes, expires and takes place.
• series_title, series_category — the series' title and its Kalshi category.
• settlement_sources, settlement_source_count — every source Kalshi names for settling the market's series, as a JSON list of names and addresses, and how many there are.
• contract_url, contract_terms_url — the product certification filed with the Commodity Futures Trading Commission (CFTC), and the contract terms.

A null means Kalshi left the field out. At the 14 September 2026 snapshot, 63% of markets had no strike, 83% no subtitle, 24% no early_close_condition, 19% no occurrence_at and 4% no rules_secondary. Every market has at least one settlement source and both contract links.

• Reading a market's exact rule and settlement source before trading.
• Ranking the providers Kalshi settles on, by category.
• Building a calendar of market closes and expirations.
• Tracing a market to its CFTC product certification and contract terms.

Kalshi, an exchange regulated by the CFTC, is the provider; every row comes from api.elections.kalshi.com. Kalshi data appears on Mostly Right with Kalshi's written consent, which Kalshi's Data Terms of Use require. Mostly Right publishes the Kalshi settlement rules and sources under Creative Commons Attribution 4.0 (CC BY 4.0), with Kalshi credited as the source.