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kalshi historical data / politics / KXHORMUZPEAK
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Peak traffic through the Strait of Hormuz?, tick by tick.
Kalshi series KXHORMUZPEAK: order book and trades, 2026-09-27 → 2026-10-23.

The order-book and trade history of Kalshi's Peak traffic through the Strait of Hormuz? series (a new event every week): 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 · 28 MB on disk · 8 open markets
pull KXHORMUZPEAK days →schemapricing

What a KXHORMUZPEAK 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.

~136 kB per KXHORMUZPEAK 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.

~746 kB per KXHORMUZPEAK day
Tradeskalshi_trades

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

~29 kB per KXHORMUZPEAK 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.

~137 kB per KXHORMUZPEAK day

KXHORMUZPEAK markets

The 8 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 the highest single-day number of transit calls through the Strait of Hormuz be more than 10 from Oct 19, 2026 to Oct 25, 2026?: Above 10KXHORMUZPEAK-26OCT25-T10closes 2026-10-27 13:00 UTC
Will the highest single-day number of transit calls through the Strait of Hormuz be more than 3 from Oct 19, 2026 to Oct 25, 2026?: Above 3KXHORMUZPEAK-26OCT25-T3closes 2026-10-27 13:00 UTC
Will the highest single-day number of transit calls through the Strait of Hormuz be more than 4 from Oct 19, 2026 to Oct 25, 2026?: Above 4KXHORMUZPEAK-26OCT25-T4closes 2026-10-27 13:00 UTC
Will the highest single-day number of transit calls through the Strait of Hormuz be more than 5 from Oct 19, 2026 to Oct 25, 2026?: Above 5KXHORMUZPEAK-26OCT25-T5closes 2026-10-27 13:00 UTC
Will the highest single-day number of transit calls through the Strait of Hormuz be more than 6 from Oct 19, 2026 to Oct 25, 2026?: Above 6KXHORMUZPEAK-26OCT25-T6closes 2026-10-27 13:00 UTC
Will the highest single-day number of transit calls through the Strait of Hormuz be more than 7 from Oct 19, 2026 to Oct 25, 2026?: Above 7KXHORMUZPEAK-26OCT25-T7closes 2026-10-27 13:00 UTC
Will the highest single-day number of transit calls through the Strait of Hormuz be more than 8 from Oct 19, 2026 to Oct 25, 2026?: Above 8KXHORMUZPEAK-26OCT25-T8closes 2026-10-27 13:00 UTC
Will the highest single-day number of transit calls through the Strait of Hormuz be more than 9 from Oct 19, 2026 to Oct 25, 2026?: Above 9KXHORMUZPEAK-26OCT25-T9closes 2026-10-27 13:00 UTC

Coverage notes for KXHORMUZPEAK

  • 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 KXHORMUZPEAK 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 KXHORMUZPEAK-.
  • 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 KXHORMUZPEAK, every table, is about 31 MB. Bought for Kalshi, Starter ($29/mo) carries top of book, trades and the ticker for every series plus one series of your choice, KXHORMUZPEAK 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: KXHORMUZPEAK at full depth →L10: every series at 10 levelsL25: every series, 25 levelsfree sample day

Other politics series on Kalshi

Trump approval ratingVoteHub GCBWho will be charged with a federal crimeWho will leave the Trump administrationPresident RCP approval rating this weekBills become law this year?Mar-a-Lago tripsWhat countries will Trump visit this year?Epstein listNumber of Trump Truth Social posts this week?Which states will Trump visit this year?Who will Trump meet this year?Will Trump do anything today?Traffic through the Strait of HormuzNext UN Secretary-GeneralWho will Trump pardon?Traffic through the Bab al-Mandab StraitTrump pardonsPresident impeachedARRESTS… the whole venue