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kalshi historical data / economics / KXAAAGASMAXCA
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California highest gas price yearly, tick by tick.
Kalshi series KXAAAGASMAXCA: order book and trades, 2026-09-27 → 2026-10-22.

The order-book and trade history of Kalshi's California highest gas price yearly 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.

26 days2026-09-27 → 2026-10-22 · every day since its first · ~5 MB per day · 125 MB on disk · 8 open markets
pull KXAAAGASMAXCA days →schemapricing

What a KXAAAGASMAXCA 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.

~209 kB per KXAAAGASMAXCA 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.

~4 MB per KXAAAGASMAXCA day
Tradeskalshi_trades

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

~20 kB per KXAAAGASMAXCA 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.

~183 kB per KXAAAGASMAXCA day

KXAAAGASMAXCA 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 average **gas prices** be above or below $6.60 by Dec 31, 2026?: Above $6.60KXAAAGASMAXCA-26DEC31-6.60closes 2026-12-31 14:55 UTC
Will average **gas prices** be above or below $6.80 by Dec 31, 2026?: Above $6.80KXAAAGASMAXCA-26DEC31-6.80closes 2026-12-31 14:55 UTC
Will average **gas prices** be above or below $7.00 by Dec 31, 2026?: Above $7.00KXAAAGASMAXCA-26DEC31-7.00closes 2026-12-31 14:55 UTC
Will average **gas prices** be above or below $7.20 by Dec 31, 2026?: Above $7.20KXAAAGASMAXCA-26DEC31-7.20closes 2026-12-31 14:55 UTC
Will average **gas prices** be above or below $7.40 by Dec 31, 2026?: Above $7.40KXAAAGASMAXCA-26DEC31-7.40closes 2026-12-31 14:55 UTC
Will average **gas prices** be above or below $7.60 by Dec 31, 2026?: Above $7.60KXAAAGASMAXCA-26DEC31-7.60closes 2026-12-31 14:55 UTC
Will average **gas prices** be above or below $7.80 by Dec 31, 2026?: Above $7.80KXAAAGASMAXCA-26DEC31-7.80closes 2026-12-31 14:55 UTC
Will average **gas prices** be above or below $8.00 by Dec 31, 2026?: Above $8.00KXAAAGASMAXCA-26DEC31-8.00closes 2026-12-31 14:55 UTC

Coverage notes for KXAAAGASMAXCA

  • 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 KXAAAGASMAXCA 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 KXAAAGASMAXCA-.
  • 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 KXAAAGASMAXCA, every table, is about 145 MB. Bought for Kalshi, Starter ($29/mo) carries top of book, trades and the ticker for every series plus one series of your choice, KXAAAGASMAXCA 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: KXAAAGASMAXCA at full depth →L10: every series at 10 levelsL25: every series, 25 levelsfree sample day

Other economics series on Kalshi

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