Kalshi · Economics · monthly · KXCPICOREYOY

Kalshi KXCPICOREYOY — Core inflation Historical Data

Tick-by-tick trades and order-book depth for every Kalshi “Core inflation” contract — 196 trading days as downloadable day bundles, €1 per day.

Browse & buy Core inflation days Kalshi venue data →Free sample contract →

Trading days

196

Coverage

March 2026 – September 2026

Archive size

238 MB

Price per day

€1

Activity & identifier

Core inflation on Kalshi — activity

Trades and USD turnover summed over every contract of the series across 30 captured days to 2026-09-15, from the recorded tick data — the per-day averages divide by the captured days. Buy share, quoted spread (in contract price cents, 0..1 = 100 ¢), best-bid/ask depth and Level-2 update counts are turnover-weighted over the same window.

Series ticker

KXCPICOREYOY

Avg trades / day

Avg turnover / day

$974.78

Captured days

Trades (30d)

593

Turnover (30d)

$29.2K

Contracts traded / day

Buy share

71 %

Avg spread

8.85 ¢

Top-1 depth

$395.35

L2 updates / day

81.8K

Files on latest day

What's in a bundle

One purchase, the whole series for a day

A series-day bundle contains every Core inflation contract that traded on Kalshi on that UTC day — 31 contract files on the latest covered day. Each file carries the full raw feed: every trade print with price, size and side, plus Level-2 order-book updates, in the same zstd-compressed schema as our crypto venues. Event contracts quote 0..1; turnover is USD-normalized.

Coverage runs March 2026 – September 2026 — 196 trading days, 238 MB compressed in total. A day typically holds 51 contract files (up to 90 on the busiest day, 16.5 MB). Pick individual days in the shop calendar for €1 each; delivery is an instant per-file download or one archive for the whole day.

Daily statistics

Core inflation — last 30 days in the archive

Files, size, contracts traded, trades, USD turnover, buy share, quoted spread, top-of-book depth and order-book updates per UTC day, from the recorded tick data.

UTC day	Files	Size	Traded	Trades	Turnover	Buy share	Avg spread	Top-1 depth	L2 updates
2026-09-15	31	1.50 MB	18	48	$3.5K	80 %	1.30 ¢	$798.97	47.7K	Buy day →
2026-09-14	31	6.23 MB	13	66	$2.2K	82 %	13.7 ¢	$231.35	240.7K	Buy day →
2026-09-13	31	3.32 MB	0	0	$0	—	—	—	129.7K	Buy day →
2026-09-12	31	3.06 MB	1	1	$3	0 %	25.2 ¢	$1.86	67.1K

Contracts

Most traded Core inflation contracts by day

The ten contracts with the most USD turnover per UTC day — open, high, low, close, VWAP and the outcome implied by the last print; the six previous days fold out below.

The 10 most traded Core inflation contracts on 2026-09-15 — 4 closed Yes (≥ 0.97), 1 closed No (≤ 0.03), 5 still open at the last print: 31 trades, $3.4K USD turnover. The busiest contract was KXCPICOREYOY-26SEP-T2.2 with $2.5K turnover.

Contract	Open	High	Low	Close	VWAP	Implied outcome	Trades	Turnover	Buy share
KXCPICOREYOY-26SEP-T2.2	0.940	0.970	0.940	0.970	0.952	Yes	7	$2.5K	99 %	buy file →
KXCPICOREYOY-26SEP-T2.3	0.810	0.820	0.810	0.810	0.814	open	5	$397.62	37 %	buy file →
KXCPICOREYOY-26NOV-T2.1	0.980	0.980	0.980	0.980	0.980	Yes	1	$153.86	0 %	buy file →
KXCPICOREYOY-26NOV-T2.2

Contract anatomy

How a Core inflation contract trades

Listed ahead

36 min

Tick size

0.01

Contracts measured

Quoted in

USD

On Kalshi, a Core inflation contract trades until its event settles, is listed roughly 36 min before it opens, and quotes in 1 ¢ price steps (0..1). Measured on the 10 contracts captured on 2026-09-15.

Free sample

Try a Core inflation contract file for free

The busiest contract of a settled day, byte-identical to the files in the paid bundle — download the native tick file, a CSV/Parquet export, or replay its order book in the browser.

KXCPICOREYOY-26AUG-T2.32026-09-05 (UTC) · 89.4 KB · 3 trades · $2.3K turnover · 0.670 → 0.640Full tick file: every trade print and Level-2 order-book update of the contract on that day, zstd-compressed JSON lines — no account needed.

Replay

Intraday profile

KXCPICOREYOY-26AUG-T2.3 minute by minute — 2026-09-05

One-minute open/high/low/close, trades, USD turnover, quoted spread and top-of-book depth of the sample contract — the same 1-minute statistics every instrument’s analytics page offers.

KXCPICOREYOY-26AUG-T2.3 traded in 1 of the day’s minutes (05:14–05:14 UTC): 3 trades, $2.3K turnover, opening at 0.670, ranging 0.640–0.650 and closing at 0.640.

Minute (UTC)	Open	High	Low	Close	Trades	Turnover	Spread	Top-1 bid / ask
05:14	0.670	0.650	0.640	0.640	3	$2.3K	2.91 ¢	$995.97 / $2.5K

1-minute statistics computed from the recorded ticks; minutes without a trade are omitted. Spread in contract price cents; top-1 depth = resting notional at the best bid / best ask. Every minute of every day is in the free analytics; the raw ticks are in the sample file above.

FAQ

Kalshi Core inflation data — FAQ

What Kalshi Core inflation data can I download?

Tick-by-tick trades and Level-2 order-book depth for every contract of the Core inflation series on Kalshi (31 contract files on the latest day). One bundle = one UTC day of the whole series.

What is the Kalshi series ticker for Core inflation?

KXCPICOREYOY — every contract of the series carries this prefix in its ticker (followed by the event date and strike). Files in a day bundle are named by the full contract ticker, so a bundle holds every KXCPICOREYOY-* contract that traded that UTC day.

How far back does the Core inflation data go?

Coverage runs March 2026 – September 2026 — 196 trading days in total.

What format are the Kalshi files in?

One zstd-compressed text file per contract per UTC day, in the same normalized schema as our crypto venues — see the market-data specification; free samples on the downloads page.

Can I get Kalshi Core inflation data as CSV or Parquet?

Yes — trades export as gzipped CSV or Parquet at no extra cost, with integer microsecond UTC timestamps that load straight into pandas, polars or DuckDB. Kalshi records full order-book depth without a separate BBO stream, so book data ships in the native tick file — the free reader script converts it locally. See the formats overview.

How much does Kalshi Core inflation historical data cost?

€1 per series-day bundle — every contract of the series for that day, with invoice on checkout. Buy it in the Data Shop.

How many Core inflation contracts trade per day on Kalshi?

On average 4 Core inflation contracts had at least one trade per UTC day over the last 30 captured days on Kalshi, with about 81.8K order-book level updates recorded per day. A day bundle contains every contract file of the series for that day.

Topics

Topic hubs featuring this series

CPI & InflationEconomics

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Traded = contracts with at least one trade that day. Buy share = taker-buy side of USD turnover. Avg spread = quoted bid-ask spread in contract price cents (0..1 = 100 ¢), weighted by turnover across the day’s contracts. Top-1 depth = mean of the best bid and best ask notional in USD, weighted by turnover. L2 updates = order-book level updates recorded across all contracts of the day. Days captured before the extended statistics show —.

Prices quote 0..1 (probability of Yes). Open/high/low/close/VWAP are that UTC day’s trade prints per contract; the implied outcome reads the last print — ≥ 0.97 as Yes, ≤ 0.03 as No, anything between as still open — venues publish the official result. Buy share = taker-buy side of turnover.

2026-09-14 — 10 contracts, 63 trades, $2.2K turnover

The 10 most traded Core inflation contracts on 2026-09-14 — 1 closed Yes (≥ 0.97), 3 closed No (≤ 0.03), 6 still open at the last print: 63 trades, $2.2K USD turnover. The busiest contract was KXCPICOREYOY-26SEP-T2.2 with $1.2K turnover.

Contract	Open	High	Low	Close	VWAP	Implied outcome	Trades	Turnover	Buy share
KXCPICOREYOY-26SEP-T2.2	0.970	0.980	0.860	0.940	0.974	open	16	$1.2K	97 %	buy file →
KXCPICOREYOY-26SEP-T2.1	0.970	0.980	0.970	0.980	0.978	Yes	5	$587	100 %	buy file →
KXCPICOREYOY-26SEP-T2.4	0.340	0.490	0.340	0.470	0.438	open	28	$392.21	34 %	buy file →
KXCPICOREYOY-26NOV-T2.7	0.230	0.250	0.230	0.250	0.235	open	2	$61.25	0 %	buy file →
KXCPICOREYOY-26NOV-T2.9	0.120	0.120	0.120	0.120	0.120	open	1	$24	0 %	buy file →
KXCPICOREYOY-26SEP-T2.8	0.030	0.030	0.020	0.020	0.024	No	3	$6.4	0 %	buy file →
KXCPICOREYOY-26SEP-T3.0	0.020	0.020	0.020	0.020	0.020	No	1	$5.12	0 %	buy file →
KXCPICOREYOY-26SEP-T2.5	0.200	0.200	0.200	0.200	0.200	open	3	$4	0 %	buy file →
KXCPICOREYOY-26SEP-T2.7	0.020	0.020	0.020	0.020	0.020	No	1	$2	0 %	buy file →
KXCPICOREYOY-26SEP-T2.6	0.060	0.060	0.050	0.050	0.050	open	3	$1.01	100 %	buy file →

2026-09-12 — 1 contract, 1 trades, $3 turnover

The 1 most traded Core inflation contracts on 2026-09-12 — 0 closed Yes (≥ 0.97), 1 closed No (≤ 0.03): 1 trades, $3 USD turnover. The busiest contract was KXCPICOREYOY-26NOV-T3.0 with $3 turnover.

Contract	Open	High	Low	Close	VWAP	Implied outcome	Trades	Turnover	Buy share
KXCPICOREYOY-26NOV-T3.0	0.030	0.030	0.030	0.030	0.030	No	1	$3	0 %	buy file →

2026-09-11 — 5 contracts, 41 trades, $11.0K turnover

The 5 most traded Core inflation contracts on 2026-09-11 — 1 closed Yes (≥ 0.97), 0 closed No (≤ 0.03), 4 still open at the last print: 41 trades, $11.0K USD turnover. The busiest contract was KXCPICOREYOY-26AUG-T2.2 with $7.2K turnover.

Contract	Open	High	Low	Close	VWAP	Implied outcome	Trades	Turnover	Buy share
KXCPICOREYOY-26AUG-T2.2	0.970	0.970	0.940	0.960	0.959	open	6	$7.2K	100 %	buy file →
KXCPICOREYOY-26AUG-T2.3	0.650	0.670	0.610	0.650	0.640	open	16	$3.7K	84 %	buy file →
KXCPICOREYOY-26AUG-T3.0	0.020	0.980	0.020	0.980	0.118	Yes	13	$39.22	100 %	buy file →
KXCPICOREYOY-26AUG-T2.4	0.200	0.200	0.130	0.150	0.148	open	5	$11.1	100 %	buy file →
KXCPICOREYOY-26SEP-T2.8	0.050	0.050	0.050	0.050	0.050	open	1	$1.5	100 %	buy file →

2026-09-10 — 3 contracts, 13 trades, $412.97 turnover

The 3 most traded Core inflation contracts on 2026-09-10 — 1 closed Yes (≥ 0.97), 0 closed No (≤ 0.03), 2 still open at the last print: 13 trades, $412.97 USD turnover. The busiest contract was KXCPICOREYOY-26AUG-T2.4 with $212.73 turnover.

Contract	Open	High	Low	Close	VWAP	Implied outcome	Trades	Turnover	Buy share
KXCPICOREYOY-26AUG-T2.4	0.200	0.200	0.130	0.200	0.190	open	7	$212.73	100 %	buy file →
KXCPICOREYOY-26AUG-T2.3	0.630	0.650	0.620	0.650	0.627	open	5	$105.53	24 %	buy file →
KXCPICOREYOY-26AUG-T2.2	0.920	0.970	0.920	0.970	0.970	Yes	1	$94.71	100 %	buy file →

2026-09-09 — 4 contracts, 58 trades, $1.9K turnover

The 4 most traded Core inflation contracts on 2026-09-09 — 0 closed Yes (≥ 0.97), 1 closed No (≤ 0.03), 3 still open at the last print: 58 trades, $1.9K USD turnover. The busiest contract was KXCPICOREYOY-26AUG-T2.2 with $1.3K turnover.

Contract	Open	High	Low	Close	VWAP	Implied outcome	Trades	Turnover	Buy share
KXCPICOREYOY-26AUG-T2.2	0.950	0.950	0.920	0.920	0.921	open	32	$1.3K	0 %	buy file →
KXCPICOREYOY-26AUG-T2.4	0.260	0.260	0.170	0.200	0.228	open	21	$529.91	27 %	buy file →
KXCPICOREYOY-26AUG-T2.3	0.650	0.650	0.620	0.630	0.630	open	2	$21.44	100 %	buy file →
KXCPICOREYOY-26AUG-T2.7	0.020	0.020	0.010	0.020	0.019	No	3	$3.88	100 %	buy file →

2026-09-08 — 4 contracts, 27 trades, $237.42 turnover

The 4 most traded Core inflation contracts on 2026-09-08 — 0 closed Yes (≥ 0.97), 0 closed No (≤ 0.03), 4 still open at the last print: 27 trades, $237.42 USD turnover. The busiest contract was KXCPICOREYOY-26AUG-T2.3 with $125.69 turnover.

Contract	Open	High	Low	Close	VWAP	Implied outcome	Trades	Turnover	Buy share
KXCPICOREYOY-26AUG-T2.3	0.620	0.650	0.620	0.650	0.637	open	7	$125.69	100 %	buy file →
KXCPICOREYOY-26AUG-T2.4	0.260	0.290	0.230	0.260	0.253	open	16	$93.34	15 %	buy file →
KXCPICOREYOY-26SEP-T2.4	0.300	0.300	0.260	0.260	0.293	open	3	$16.4	0 %	buy file →
KXCPICOREYOY-26AUG-T2.2	0.930	0.950	0.930	0.950	0.950	open	1	$1.99	100 %	buy file →

How liquid are Kalshi Core inflation contracts?

Over the last 30 captured days, the turnover-weighted quoted bid-ask spread was 8.85 ¢ (contracts quote 0..1 = 100 ¢), the mean best-bid/best-ask notional was about $395.35 per side, 71 % of USD turnover was taker-buy. These figures are computed from the recorded Level-2 order books and trade prints — the same data in the day bundles.

What was the most traded Core inflation contract on 2026-09-15?

KXCPICOREYOY-26SEP-T2.2 — $2.5K USD turnover over 7 trades on Kalshi. The 10 most traded contracts of the series did 31 trades and $3.4K that UTC day. Open, high, low, close and VWAP per contract are listed on this page; the tick-level data is in the day bundle.