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kalshi historical data / elections / KXREDDESTDSEN
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Reddest state to elect a Democratic senator, tick by tick.
Kalshi series KXREDDESTDSEN: order book and trades, 2026-09-27 → 2026-10-23.

The order-book and trade history of Kalshi's Reddest state to elect a Democratic senator 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.

27 days2026-09-27 → 2026-10-23 · every day since its first · ~917 kB per day · 24 MB on disk · 16 open markets
pull KXREDDESTDSEN days →schemapricing

What a KXREDDESTDSEN 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.

~64 kB per KXREDDESTDSEN 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.

~782 kB per KXREDDESTDSEN day
Tradeskalshi_trades

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

~10 kB per KXREDDESTDSEN 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.

~61 kB per KXREDDESTDSEN day

KXREDDESTDSEN 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 Alaska be the state with the highest 2024 Trump-minus-Harris presidential margin among states where a Democratic candidate wins a 2026 U.S. Senate election?: AlaskaKXREDDESTDSEN-27JAN03-AKcloses 2027-01-03 13:59 UTC
Will Florida be the state with the highest 2024 Trump-minus-Harris presidential margin among states where a Democratic candidate wins a 2026 U.S. Senate election?: FloridaKXREDDESTDSEN-27JAN03-FLcloses 2027-01-03 13:59 UTC
Will Georgia be the state with the highest 2024 Trump-minus-Harris presidential margin among states where a Democratic candidate wins a 2026 U.S. Senate election?: GeorgiaKXREDDESTDSEN-27JAN03-GAcloses 2027-01-03 13:59 UTC
Will Iowa be the state with the highest 2024 Trump-minus-Harris presidential margin among states where a Democratic candidate wins a 2026 U.S. Senate election?: IowaKXREDDESTDSEN-27JAN03-IAcloses 2027-01-03 13:59 UTC
Will Kansas be the state with the highest 2024 Trump-minus-Harris presidential margin among states where a Democratic candidate wins a 2026 U.S. Senate election?: KansasKXREDDESTDSEN-27JAN03-KScloses 2027-01-03 13:59 UTC
Will Louisiana be the state with the highest 2024 Trump-minus-Harris presidential margin among states where a Democratic candidate wins a 2026 U.S. Senate election?: LouisianaKXREDDESTDSEN-27JAN03-LAcloses 2027-01-03 13:59 UTC
Will Michigan be the state with the highest 2024 Trump-minus-Harris presidential margin among states where a Democratic candidate wins a 2026 U.S. Senate election?: MichiganKXREDDESTDSEN-27JAN03-MIcloses 2027-01-03 13:59 UTC
Will Minnesota be the state with the highest 2024 Trump-minus-Harris presidential margin among states where a Democratic candidate wins a 2026 U.S. Senate election?: MinnesotaKXREDDESTDSEN-27JAN03-MNcloses 2027-01-03 13:59 UTC
Will Mississippi be the state with the highest 2024 Trump-minus-Harris presidential margin among states where a Democratic candidate wins a 2026 U.S. Senate election?: MississippiKXREDDESTDSEN-27JAN03-MScloses 2027-01-03 13:59 UTC
Will Montana be the state with the highest 2024 Trump-minus-Harris presidential margin among states where a Democratic candidate wins a 2026 U.S. Senate election?: MontanaKXREDDESTDSEN-27JAN03-MTcloses 2027-01-03 13:59 UTC
Will North Carolina be the state with the highest 2024 Trump-minus-Harris presidential margin among states where a Democratic candidate wins a 2026 U.S. Senate election?: North CarolinaKXREDDESTDSEN-27JAN03-NCcloses 2027-01-03 13:59 UTC
Will New Hampshire be the state with the highest 2024 Trump-minus-Harris presidential margin among states where a Democratic candidate wins a 2026 U.S. Senate election?: New HampshireKXREDDESTDSEN-27JAN03-NHcloses 2027-01-03 13:59 UTC

Coverage notes for KXREDDESTDSEN

  • 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 KXREDDESTDSEN 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 KXREDDESTDSEN-.
  • 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 KXREDDESTDSEN, every table, is about 27 MB. Bought for Kalshi, Starter ($29/mo) carries top of book, trades and the ticker for every series plus one series of your choice, KXREDDESTDSEN 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: KXREDDESTDSEN at full depth →L10: every series at 10 levelsL25: every series, 25 levelsfree sample day

Other elections series on Kalshi

House Race Winner?Midterm margin of victoryVote percentages in US general electionsMichigan Senate-Governor ComboMidterm Voter TurnoutHow many seats will party win in state?2028 D runningWorld leaders out this year?Who will win the Vancouver mayoral election?State legislature winnersWhich state ballot measures will pass?Democratic Primary winner2028 R runningDemocratic VP nomCounty vote percentagesDemocratic House seatsGeneral election county winnersclosest governor's raceMinnesota GovernorRepublican house seats… the whole venue