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kalshi historical data / sports / KXSERIEASPREAD
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Serie A Spread, tick by tick.
Kalshi series KXSERIEASPREAD: order book and trades, 2026-10-03 → 2026-10-23.

The order-book and trade history of Kalshi's Serie A Spread series (new markets on an irregular schedule, one event per game, match or release): 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.

21 days2026-10-03 → 2026-10-23 · every day since its first · ~9 MB per day · 194 MB on disk · 80 open markets
pull KXSERIEASPREAD days →schemapricing

What a KXSERIEASPREAD day contains

Four parquet files per day, every market of the series in each. Sizes are this series' own averages over its 21 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.

~563 kB per KXSERIEASPREAD 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.

~8 MB per KXSERIEASPREAD day
Tradeskalshi_trades

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

~59 kB per KXSERIEASPREAD 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.

~355 kB per KXSERIEASPREAD day

KXSERIEASPREAD 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.

Monza wins by more than 1.5 goals?: Monza wins by more than 1.5 goalsKXSERIEASPREAD-26OCT23TORMON-MON2closes 2026-10-25 18:45 UTC
Monza wins by more than 2.5 goals?: Monza wins by more than 2.5 goalsKXSERIEASPREAD-26OCT23TORMON-MON3closes 2026-10-25 18:45 UTC
Torino wins by more than 1.5 goals?: Torino wins by more than 1.5 goalsKXSERIEASPREAD-26OCT23TORMON-TOR2closes 2026-10-25 18:45 UTC
Torino wins by more than 2.5 goals?: Torino wins by more than 2.5 goalsKXSERIEASPREAD-26OCT23TORMON-TOR3closes 2026-10-25 18:45 UTC
Bologna wins by more than 1.5 goals?: Bologna wins by more than 1.5 goalsKXSERIEASPREAD-26OCT24CAGBFC-BFC2closes 2026-10-26 13:00 UTC
Bologna wins by more than 2.5 goals?: Bologna wins by more than 2.5 goalsKXSERIEASPREAD-26OCT24CAGBFC-BFC3closes 2026-10-26 13:00 UTC
Cagliari wins by more than 1.5 goals?: Cagliari wins by more than 1.5 goalsKXSERIEASPREAD-26OCT24CAGBFC-CAG2closes 2026-10-26 13:00 UTC
Cagliari wins by more than 2.5 goals?: Cagliari wins by more than 2.5 goalsKXSERIEASPREAD-26OCT24CAGBFC-CAG3closes 2026-10-26 13:00 UTC
Como wins by more than 1.5 goals?: Como wins by more than 1.5 goalsKXSERIEASPREAD-26OCT24COMSAS-COM2closes 2026-10-26 13:00 UTC
Como wins by more than 2.5 goals?: Como wins by more than 2.5 goalsKXSERIEASPREAD-26OCT24COMSAS-COM3closes 2026-10-26 13:00 UTC
Sassuolo wins by more than 1.5 goals?: Sassuolo wins by more than 1.5 goalsKXSERIEASPREAD-26OCT24COMSAS-SAS2closes 2026-10-26 13:00 UTC
Sassuolo wins by more than 2.5 goals?: Sassuolo wins by more than 2.5 goalsKXSERIEASPREAD-26OCT24COMSAS-SAS3closes 2026-10-26 13:00 UTC

Coverage notes for KXSERIEASPREAD

  • First day on disk: 2026-10-03. The series' first book appeared then. New days are added daily.
  • Trades before 2026-09-27. Kalshi's historical API has no tick-level order book, so earlier KXSERIEASPREAD 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 KXSERIEASPREAD-.
  • 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 KXSERIEASPREAD, every table, is about 277 MB. Bought for Kalshi, Starter ($29/mo) carries top of book, trades and the ticker for every series plus one series of your choice, KXSERIEASPREAD 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: KXSERIEASPREAD at full depth →L10: every series at 10 levelsL25: every series, 25 levelsfree sample day

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