Tick-by-tick trades and order-book depth for every Kalshi “what will the price of art be?” contract — 123 trading days as downloadable day bundles, €1 per day.
Trades and USD turnover summed over every contract of the series across 30 captured days to 2026-09-14, 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.
A series-day bundle contains every what will the price of art be? contract that traded on Kalshi on that UTC day — 9 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 May 2026 – September 2026 — 123 trading days, 70.6 MB compressed in total. A day typically holds 36 contract files (up to 111 on the busiest day, 4.29 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.
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.
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 1 most traded what will the price of art be? contracts on 2026-09-13 — 0 closed Yes (≥ 0.97), 0 closed No (≤ 0.03), 1 still open at the last print: 5 trades, $29.77 USD turnover. The busiest contract was KXART-OG27-500000 with $29.77 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXART-OG27-500000 | 0.060 | 0.070 | 0.050 | 0.070 | 0.052 | open | 5 | $29.77 | 13 % | buy file → |
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.
The 1 most traded what will the price of art be? contracts on 2026-09-11 — 0 closed Yes (≥ 0.97), 0 closed No (≤ 0.03), 1 still open at the last print: 1 trades, $15.54 USD turnover. The busiest contract was KXART-OG27-500000 with $15.54 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXART-OG27-500000 |
On Kalshi, a what will the price of art be? contract trades until its event settles, is listed roughly 19 min before it opens, and quotes in 1 ¢ price steps (0..1). Measured on the 1 contracts captured on 2026-09-13.
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.
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.
KXART-OG27-500000 traded in 3 of the day’s minutes (04:13–21:28 UTC): 5 trades, $73.65 turnover, opening at 0.050, ranging 0.070–0.120 and closing at 0.070.
| Minute (UTC) | Open | High | Low | Close | Trades | Turnover | Spread | Top-1 bid / ask |
|---|---|---|---|---|---|---|---|---|
| 04:13 | 0.050 | 0.120 | 0.090 | 0.120 | 3 | $47.04 | 2.65 ¢ | $81.83 / $21.64 |
| 04:51 | 0.120 | 0.090 | 0.090 | 0.090 | 1 | $22.5 | 3.16 ¢ | $161.11 / $54.72 |
| 21:28 | 0.090 | 0.070 | 0.070 | 0.070 | 1 | $4.11 | 1.00 ¢ | $17.12 / $96.24 |
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 ; the raw ticks are in the sample file above.
Tick-by-tick trades and Level-2 order-book depth for every contract of the what will the price of art be? series on Kalshi (9 contract files on the latest day). One bundle = one UTC day of the whole series.
KXART — 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 KXART-* contract that traded that UTC day.
Coverage runs May 2026 – September 2026 — 123 trading days in total.
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.
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.
€1 per series-day bundle — every contract of the series for that day, with invoice on checkout. Buy it in the Data Shop.
| 2026-09-10 | 9 | 59.4 KB | 3 | 9 | $18.25 | 45 % | 2.59 ¢ | $37.26 | 1.2K | Buy day → |
| 2026-09-09 | 9 | 41.7 KB | 2 | 3 | $18.12 | 0 % | 2.05 ¢ | $61.68 | 520 | Buy day → |
| 2026-09-08 | 9 | 34.3 KB | 1 | 2 | $5.63 | 100 % | 1.00 ¢ | $58.14 | 341 | Buy day → |
| 2026-09-07 | 9 | 35.2 KB | 3 | 9 | $73.78 | 64 % | 1.56 ¢ | $65.23 | 372 | Buy day → |
| 2026-09-06 | 9 | 24.9 KB | 2 | 2 | $0.35 | 43 % | 3.89 ¢ | $10.55 | 255 | Buy day → |
| 2026-09-05 | 9 | 33.9 KB | 0 | 0 | $0 | — | — | — | 591 | Buy day → |
| 2026-09-04 | 9 | 21.8 KB | 1 | 3 | $5.94 | 79 % | 2.60 ¢ | $26.63 | 249 | Buy day → |
| 2026-09-03 | 9 | 90.2 KB | 1 | 1 | $1.89 | 100 % | 3.47 ¢ | $20.03 | 2.5K | Buy day → |
| 2026-09-02 | 9 | 68.4 KB | 0 | 0 | $0 | — | — | — | 1.9K | Buy day → |
| 2026-09-01 | 9 | 134 KB | 1 | 1 | $4.71 | 100 % | 5.04 ¢ | $55.75 | 4.4K | Buy day → |
| 2026-08-31 | 9 | 32.3 KB | 2 | 2 | $5.69 | 83 % | 3.41 ¢ | $87.92 | 347 | Buy day → |
| 2026-08-30 | 9 | 24.6 KB | 1 | 4 | $6.36 | 15 % | 2.37 ¢ | $7.58 | 211 | Buy day → |
| 2026-08-29 | 9 | 23.8 KB | 2 | 5 | $6.85 | 52 % | 3.47 ¢ | $8.6 | 225 | Buy day → |
| 2026-08-28 | 9 | 22.8 KB | 1 | 1 | $3.3 | 0 % | 3.06 ¢ | $12.52 | 116 | Buy day → |
| 2026-08-27 | 9 | 70.2 KB | 0 | 0 | $0 | — | — | — | 463 | Buy day → |
| 2026-08-26 | 9 | 132 KB | 1 | 5 | $18.84 | 100 % | 3.77 ¢ | $2.14 | 3.6K | Buy day → |
| 2026-08-25 | 9 | 113 KB | 2 | 10 | $16.39 | 92 % | 3.52 ¢ | $4.96 | 3.3K | Buy day → |
| 2026-08-24 | 9 | 22.3 KB | 3 | 5 | $0.8 | 19 % | 3.80 ¢ | $3.74 | 256 | Buy day → |
| 2026-08-23 | 9 | 22.3 KB | 1 | 1 | $0.11 | 0 % | 6.26 ¢ | $20.29 | 205 | Buy day → |
| 2026-08-22 | 9 | 17.1 KB | 1 | 2 | $1.82 | 0 % | 6.52 ¢ | $25.74 | 152 | Buy day → |
| 2026-08-21 | 9 | 25.7 KB | 0 | 0 | $0 | — | — | — | 268 | Buy day → |
| 2026-08-20 | 9 | 57.5 KB | 1 | 1 | $0.95 | 100 % | 6.96 ¢ | $13.75 | 1.5K | Buy day → |
| 2026-08-19 | 9 | 97.7 KB | 1 | 4 | $47.19 | 100 % | 7.03 ¢ | $19.18 | 2.5K | Buy day → |
| 2026-08-18 | 9 | 48.8 KB | 2 | 3 | $8.82 | 54 % | 7.64 ¢ | $5.93 | 1.0K | Buy day → |
| 2026-08-17 | 9 | 28.2 KB | 0 | 0 | $0 | — | — | — | 410 | Buy day → |
| 2026-08-16 | 9 | 355 KB | 3 | 20 | $397.82 | 100 % | 3.45 ¢ | $6.3 | 12.5K | Buy day → |
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 —.
| 0.070 |
| 0.070 |
| 0.070 |
| 0.070 |
| 0.070 |
| open |
| 1 |
| $15.54 |
| 0 % |
| buy file → |
The 3 most traded what will the price of art be? contracts on 2026-09-10 — 0 closed Yes (≥ 0.97), 0 closed No (≤ 0.03), 3 still open at the last print: 9 trades, $18.25 USD turnover. The busiest contract was KXART-OG27-500000 with $11.16 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXART-OG27-500000 | 0.070 | 0.080 | 0.070 | 0.070 | 0.071 | open | 4 | $11.16 | 26 % | buy file → |
| KXART-OG27-2000000 | 0.030 | 0.100 | 0.030 | 0.100 | 0.084 | open | 2 | $4.41 | 100 % | buy file → |
| KXART-OG27-2500000 | 0.030 | 0.060 | 0.020 | 0.060 | 0.027 | open | 3 | $2.68 | 35 % | buy file → |
The 2 most traded what will the price of art be? contracts on 2026-09-09 — 0 closed Yes (≥ 0.97), 0 closed No (≤ 0.03), 2 still open at the last print: 3 trades, $18.12 USD turnover. The busiest contract was KXART-OG27-500000 with $17.5 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXART-OG27-500000 | 0.080 | 0.080 | 0.070 | 0.070 | 0.070 | open | 1 | $17.5 | 0 % | buy file → |
| KXART-OG27-1500000 | 0.050 | 0.050 | 0.040 | 0.040 | 0.044 | open | 2 | $0.62 | 0 % | buy file → |
The 1 most traded what will the price of art be? contracts on 2026-09-08 — 0 closed Yes (≥ 0.97), 0 closed No (≤ 0.03), 1 still open at the last print: 2 trades, $5.63 USD turnover. The busiest contract was KXART-OG27-500000 with $5.63 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXART-OG27-500000 | 0.070 | 0.080 | 0.070 | 0.080 | 0.080 | open | 2 | $5.63 | 100 % | buy file → |
The 3 most traded what will the price of art be? contracts on 2026-09-07 — 0 closed Yes (≥ 0.97), 1 closed No (≤ 0.03), 2 still open at the last print: 9 trades, $73.78 USD turnover. The busiest contract was KXART-OG27-500000 with $73.65 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXART-OG27-500000 | 0.050 | 0.120 | 0.050 | 0.070 | 0.096 | open | 5 | $73.65 | 64 % | buy file → |
| KXART-OG27-4000000 | 0.040 | 0.040 | 0.040 | 0.040 | 0.040 | open | 2 | $0.07 | 0 % | buy file → |
| KXART-OG27-2000000 | 0.030 | 0.030 | 0.030 | 0.030 | 0.030 | No | 2 | $0.06 | 100 % | buy file → |
The 2 most traded what will the price of art be? contracts on 2026-09-06 — 0 closed Yes (≥ 0.97), 1 closed No (≤ 0.03), 1 still open at the last print: 2 trades, $0.35 USD turnover. The busiest contract was KXART-OG27-4500000 with $0.2 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXART-OG27-4500000 | 0.040 | 0.040 | 0.040 | 0.040 | 0.040 | open | 1 | $0.2 | 0 % | buy file → |
| KXART-OG27-2000000 | 0.030 | 0.030 | 0.030 | 0.030 | 0.030 | No | 1 | $0.15 | 100 % | buy file → |
On average 1 what will the price of art be? contracts had at least one trade per UTC day over the last 30 captured days on Kalshi, with about 1.4K order-book level updates recorded per day. A day bundle contains every contract file of the series for that day.
Over the last 30 captured days, the turnover-weighted quoted bid-ask spread was 3.34 ¢ (contracts quote 0..1 = 100 ¢), the mean best-bid/best-ask notional was about $20.22 per side, 83 % 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.
KXART-OG27-500000 — $29.77 USD turnover over 5 trades on Kalshi. The 1 most traded contracts of the series did 5 trades and $29.77 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.