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kalshi historical data / sports / KXNCAAFACC
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ACC Champion, tick by tick.
Kalshi series KXNCAAFACC: order book and trades, 2026-09-27 → 2026-10-23.

The order-book and trade history of Kalshi's ACC Champion 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 · ~1 MB per day · 27 MB on disk · 17 open markets
pull KXNCAAFACC days →schemapricing

What a KXNCAAFACC 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.

~96 kB per KXNCAAFACC 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.

~832 kB per KXNCAAFACC day
Tradeskalshi_trades

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

~22 kB per KXNCAAFACC 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.

~85 kB per KXNCAAFACC day

KXNCAAFACC 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 Boston College win the College Football ACC Championship?: Boston CollegeKXNCAAFACC-26-BCcloses 2027-01-03 15:00 UTC
Will California win the College Football ACC Championship?: CaliforniaKXNCAAFACC-26-CALcloses 2027-01-03 15:00 UTC
Will Clemson win the College Football ACC Championship?: ClemsonKXNCAAFACC-26-CLEMcloses 2027-01-03 15:00 UTC
Will Duke win the College Football ACC Championship?: DukeKXNCAAFACC-26-DUKEcloses 2027-01-03 15:00 UTC
Will Florida St. win the College Football ACC Championship?: Florida St.KXNCAAFACC-26-FSUcloses 2027-01-03 15:00 UTC
Will Georgia Tech win the College Football ACC Championship?: Georgia TechKXNCAAFACC-26-GTcloses 2027-01-03 15:00 UTC
Will Louisville win the College Football ACC Championship?: LouisvilleKXNCAAFACC-26-LOUcloses 2027-01-03 15:00 UTC
Will Miami (FL) win the College Football ACC Championship?: Miami (FL)KXNCAAFACC-26-MIAcloses 2027-01-03 15:00 UTC
Will North Carolina St. win the College Football ACC Championship?: North Carolina St.KXNCAAFACC-26-NCSTcloses 2027-01-03 15:00 UTC
Will Pittsburgh win the College Football ACC Championship?: PittsburghKXNCAAFACC-26-PITTcloses 2027-01-03 15:00 UTC
Will SMU win the College Football ACC Championship?: SMUKXNCAAFACC-26-SMUcloses 2027-01-03 15:00 UTC
Will Stanford win the College Football ACC Championship?: StanfordKXNCAAFACC-26-STANcloses 2027-01-03 15:00 UTC

Coverage notes for KXNCAAFACC

  • 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 KXNCAAFACC 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 KXNCAAFACC-.
  • 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 KXNCAAFACC, every table, is about 30 MB. Bought for Kalshi, Starter ($29/mo) carries top of book, trades and the ticker for every series plus one series of your choice, KXNCAAFACC 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: KXNCAAFACC at full depth →L10: every series at 10 levelsL25: every series, 25 levelsfree sample day

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