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kalshi historical data / entertainment / KX1SONG
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WILL ARTIST HAVE A NUMBER ONE SONG ON BILLBOARD HOT 100 THIS YEAR, tick by tick.
Kalshi series KX1SONG: order book and trades, 2026-09-27 → 2026-10-22.

The order-book and trade history of Kalshi's WILL ARTIST HAVE A NUMBER ONE SONG ON BILLBOARD HOT 100 THIS YEAR 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.

26 days2026-09-27 → 2026-10-22 · every day since its first · ~5 MB per day · 135 MB on disk · 114 open markets
pull KX1SONG days →schemapricing

What a KX1SONG day contains

Four parquet files per day, every market of the series in each. Sizes are this series' own averages over its 26 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.

~249 kB per KX1SONG 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.

~5 MB per KX1SONG day
Tradeskalshi_trades

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

~22 kB per KX1SONG 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.

~212 kB per KX1SONG day

KX1SONG markets

The 12 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 21 Savage have a #1 hit this year?: 21 SavageKX1SONG-DEC2626-21Scloses 2026-12-21 05:01 UTC
Will 2 Chainz have a #1 hit this year?: 2 ChainzKX1SONG-DEC2626-2CHcloses 2026-12-21 05:01 UTC
Will Addison Rae have a #1 hit this year?: Addison RaeKX1SONG-DEC2626-ADDcloses 2026-12-21 05:01 UTC
Will Alex Warren have a #1 hit this year?: Alex WarrenKX1SONG-DEC2626-ALEcloses 2026-12-21 05:01 UTC
Will Anuel AA have a #1 hit this year?: Anuel AAKX1SONG-DEC2626-ANUcloses 2026-12-21 05:01 UTC
Will Lil Baby have a #1 hit this year?: Lil BabyKX1SONG-DEC2626-BABcloses 2026-12-21 05:01 UTC
Will Bebe Rexha have a #1 hit this year?: Bebe RexhaKX1SONG-DEC2626-BEBcloses 2026-12-21 05:01 UTC
Will Benson Boone have a #1 hit this year?: Benson BooneKX1SONG-DEC2626-BENcloses 2026-12-21 05:01 UTC
Will Beyoncé have a #1 hit this year?: BeyoncéKX1SONG-DEC2626-BEYcloses 2026-12-21 05:01 UTC
Will Big Sean have a #1 hit this year?: Big SeanKX1SONG-DEC2626-BIGcloses 2026-12-21 05:01 UTC
Will Billie Eilish have a #1 hit this year?: Billie EilishKX1SONG-DEC2626-BILcloses 2026-12-21 05:01 UTC
Will BLACKPINK have a #1 hit this year?: BLACKPINKKX1SONG-DEC2626-BLAcloses 2026-12-21 05:01 UTC

Coverage notes for KX1SONG

  • 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 KX1SONG 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 KX1SONG-.
  • 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 KX1SONG, every table, is about 156 MB. Bought for Kalshi, Starter ($29/mo) carries top of book, trades and the ticker for every series plus one series of your choice, KX1SONG 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: KX1SONG at full depth →L10: every series at 10 levelsL25: every series, 25 levelsfree sample day

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