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kalshi historical data / politics / KXUNSEC
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Next UN Secretary-General, tick by tick.
Kalshi series KXUNSEC: order book and trades, 2026-09-27 → 2026-10-22.

The order-book and trade history of Kalshi's Next UN Secretary-General series (a one-off event): 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 · ~2 MB per day · 60 MB on disk · 15 open markets
pull KXUNSEC days →schemapricing

What a KXUNSEC 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.

~135 kB per KXUNSEC 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.

~2 MB per KXUNSEC day
Tradeskalshi_trades

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

~9 kB per KXUNSEC 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.

~114 kB per KXUNSEC day

KXUNSEC 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.

Who will be the next Secretary-General of UN?: Alicia BárcenaKXUNSEC-27JAN-ABARcloses 2027-01-05 15:00 UTC
Who will be the next Secretary-General of UN?: Amina J. MohammedKXUNSEC-27JAN-AMOHcloses 2027-01-05 15:00 UTC
Who will be the next Secretary-General of UN?: Carolyn Rodrigues-BirkettKXUNSEC-27JAN-CBIRcloses 2027-01-05 15:00 UTC
Who will be the next Secretary-General of UN?: Gianni InfantinoKXUNSEC-27JAN-GINFcloses 2027-01-05 15:00 UTC
Who will be the next Secretary-General of UN?: Ivonne A-BakiKXUNSEC-27JAN-IABAKcloses 2027-01-05 15:00 UTC
Who will be the next Secretary-General of UN?: Lana NusseibehKXUNSEC-27JAN-LNUScloses 2027-01-05 15:00 UTC
Who will be the next Secretary-General of UN?: Michelle BacheletKXUNSEC-27JAN-MBACcloses 2027-01-05 15:00 UTC
Who will be the next Secretary-General of UN?: Maria Fernanda Espinosa GarcésKXUNSEC-27JAN-MFERcloses 2027-01-05 15:00 UTC
Who will be the next Secretary-General of UN?: Mia MottleyKXUNSEC-27JAN-MMOTcloses 2027-01-05 15:00 UTC
Who will be the next Secretary-General of UN?: Macky SallKXUNSEC-27JAN-MSALcloses 2027-01-05 15:00 UTC
Who will be the next Secretary-General of UN?: Nickolay MladenovKXUNSEC-27JAN-NMLAcloses 2027-01-05 15:00 UTC
Who will be the next Secretary-General of UN?: Olara OtunnuKXUNSEC-27JAN-OOTUcloses 2027-01-05 15:00 UTC

Coverage notes for KXUNSEC

  • 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 KXUNSEC 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 KXUNSEC-.
  • 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 KXUNSEC, every table, is about 69 MB. Bought for Kalshi, Starter ($29/mo) carries top of book, trades and the ticker for every series plus one series of your choice, KXUNSEC 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: KXUNSEC at full depth →L10: every series at 10 levelsL25: every series, 25 levelsfree sample day

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