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kalshi historical data / sports / KXF1CONSTRUCTORS
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Formula 1 Constructors, tick by tick.
Kalshi series KXF1CONSTRUCTORS: order book and trades, 2026-09-27 → 2026-10-23.

The order-book and trade history of Kalshi's Formula 1 Constructors series (a new event every year): top of book on every change, the 25-level book on every change in YES terms, every trade with the taker's side, and Kalshi's own ticker, with exchange timestamps to the millisecond. Captured by us from Kalshi's websocket on two independent legs and checked against the exchange's own book snapshots.

27 days2026-09-27 → 2026-10-23 · every day since its first · ~607 kB per day · 16 MB on disk · 11 open markets
pull KXF1CONSTRUCTORS days →schemapricing

What a KXF1CONSTRUCTORS day contains

Four parquet files per day, every market of the series in each. Sizes are this series' own averages over its 27 days on disk.

Top of book (every change)kalshi_l1

Best YES bid and ask with sizes and the spread, one row whenever either changed, derived tick by tick from the rebuilt book: not Kalshi's conflated ticker.

~48 kB per KXF1CONSTRUCTORS day
Order book, 25 levels, every changekalshi_l2

The whole ladder after every book event, in YES terms (the NO bids become the asks, at their sizes), 25 levels a side: wide columns bid_px_1 … ask_sz_25, plus the exchange's own hourly snapshots. Each row is self-contained, so you can start reading mid-day.

~488 kB per KXF1CONSTRUCTORS day
Tradeskalshi_trades

Every trade: YES and NO price, size in contracts, the taker's side, block-trade flag, trade id.

~15 kB per KXF1CONSTRUCTORS day
Kalshi ticker (~1 s)kalshi_ticker

Kalshi's own ticker feed, about one update a second per market: last price, YES bid/ask with sizes, cumulative volume and open interest in contracts and dollars.

~55 kB per KXF1CONSTRUCTORS day

KXF1CONSTRUCTORS markets

The 11 closing nearest to now, from Kalshi's daily market list. Each is a row key (market_ticker) in every table, captured from the day it opens until it settles.

Will Alpine win the F1 Constructors Championship?: AlpineKXF1CONSTRUCTORS-26-ALPcloses 2026-12-21 15:00 UTC
Will Aston Martin win the F1 Constructors Championship?: Aston MartinKXF1CONSTRUCTORS-26-ASTcloses 2026-12-21 15:00 UTC
Will Audi win the F1 Constructors Championship?: AudiKXF1CONSTRUCTORS-26-AUDcloses 2026-12-21 15:00 UTC
Will Cadillac win the F1 Constructors Championship?: CadillacKXF1CONSTRUCTORS-26-CADcloses 2026-12-21 15:00 UTC
Will Ferrari win the F1 Constructors Championship?: FerrariKXF1CONSTRUCTORS-26-FERcloses 2026-12-21 15:00 UTC
Will Haas win the F1 Constructors Championship?: HaasKXF1CONSTRUCTORS-26-HAAcloses 2026-12-21 15:00 UTC
Will McLaren win the F1 Constructors Championship?: McLarenKXF1CONSTRUCTORS-26-MCLcloses 2026-12-21 15:00 UTC
Will Mercedes AMG Motorsport win the F1 Constructors Championship?: Mercedes AMG MotorsportKXF1CONSTRUCTORS-26-MERcloses 2026-12-21 15:00 UTC
Will Racing Bulls win the F1 Constructors Championship?: Racing BullsKXF1CONSTRUCTORS-26-RACcloses 2026-12-21 15:00 UTC
Will Red Bull Racing win the F1 Constructors Championship?: Red Bull RacingKXF1CONSTRUCTORS-26-REDcloses 2026-12-21 15:00 UTC
Will Williams win the F1 Constructors Championship?: WilliamsKXF1CONSTRUCTORS-26-WILcloses 2026-12-21 15:00 UTC

Coverage notes for KXF1CONSTRUCTORS

  • First day on disk: 2026-09-27. That is the day our Kalshi capture began, not the series' launch. New days are added daily.
  • Trades before 2026-09-27. Kalshi's historical API has no tick-level order book, so earlier KXF1CONSTRUCTORS trades are in the whole-exchange trades history (from 2021-06-30, one file a day): filter market_ticker to this series' markets, which start with KXF1CONSTRUCTORS-.
  • The first day starts at 11:00 UTC. Our capture began at 11:00 UTC on 27 September 2026: 13 hours that day, not 24, and no CF Benchmarks index file (that capture starts on the 28th).
  • A book-quality dip on 2026-09-29. During a pipeline cutover 10,255 exchange snapshots disagreed with the rebuilt book (41 to 1,378 on every other day) and 16,678 negative levels were clamped to zero. The book resynchronises at every exchange snapshot; trades and ticker are unaffected.
  • Every bundle ships a README with the schemas and, per day, how often the rebuilt book matched the exchange's own snapshots, for your exact range.

Pricing

A month of KXF1CONSTRUCTORS, every table, is about 18 MB. Bought for Kalshi, Starter ($29/mo) carries top of book, trades and the ticker for every series plus one series of your choice, KXF1CONSTRUCTORS if you like, at full book depth; L10 ($49/mo) carries every series' book at 10 levels and L25 ($99/mo) the full 25-level book. Each includes 7 days before you join and every day after. Any free account can pull 2026-10-07, any series, up to 1.0 GB.

Starter: KXF1CONSTRUCTORS at full depth →L10: every series at 10 levelsL25: every series, 25 levelsfree sample day

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