Tick-by-tick trades and order-book depth for every Kalshi “Humanity's Last Exam” contract — 113 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 2026-09-09, 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 Humanity's Last Exam contract that traded on Kalshi on that UTC day — 17 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 — 113 trading days, 48.8 MB compressed in total. A day typically holds 17 contract files (up to 17 on the busiest day, 8.86 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.
| UTC day | Files | Size | Traded | Trades | Turnover | Buy share | Avg spread | Top-1 depth | L2 updates | Notes | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-09-09 | 17 | 1.06 MB | 6 | 12 | $57.17 | 49 % | 30.1 ¢ | $62.22 | 40.2K | Buy day → | |
| 2026-09-08 | 17 | 866 KB | 2 | 9 | $273.35 | 36 % | 4.49 ¢ | $46.61 | 32.1K | Buy day → | |
| 2026-09-07 | 17 | 1.03 MB | 2 | 5 | $42.69 | 4 % | 15.9 ¢ | $20.69 | 39.9K | Buy day → | |
| 2026-09-06 | 17 | 865 KB | 2 | 24 | $313.22 | 13 % | 6.00 ¢ | $78.86 | 32.3K |
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 6 most traded Humanity's Last Exam contracts on 2026-09-09 — 0 closed Yes (≥ 0.97), 0 closed No (≤ 0.03), 6 still open at the last print: 12 trades, $57.17 USD turnover. The busiest contract was KXLASTEXAM-26DEC31-T60 with $29.4 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXLASTEXAM-26DEC31-T60 | 0.590 | 0.590 | 0.580 | 0.580 | 0.588 | open | 2 | $29.4 | 0 % | buy file → |
| KXLASTEXAM-26DEC31-T70 | 0.220 | 0.650 | 0.220 | 0.650 | 0.297 | open | 3 | $12.82 | 100 % | buy file → |
| KXLASTEXAM-26DEC31-T75 | 0.070 | 0.180 | 0.070 | 0.180 | 0.178 | open | 3 | $8.57 | 100 % | buy file → |
| KXLASTEXAM-26DEC31-T85 |
On Kalshi, a Humanity's Last Exam contract trades until its event settles, is listed roughly 11 h before it opens, and quotes in 1 ¢ price steps (0..1). Measured on the 6 contracts captured on 2026-09-09.
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.
KXLASTEXAM-26DEC31-T65 traded in 33 of the day’s minutes (00:39–17:25 UTC): 35 trades, $662.56 turnover, opening at 0.400, ranging 0.380–0.430 and closing at 0.380.
| Minute (UTC) | Open | High | Low | Close | Trades | Turnover | Spread | Top-1 bid / ask |
|---|---|---|---|---|---|---|---|---|
| 00:39 | 0.400 | 0.430 | 0.430 | 0.430 | 1 | $211.56 | 3.64 ¢ | $171.43 / $184.4 |
| 01:39 | 0.430 | 0.420 | 0.420 |
Tick-by-tick trades and Level-2 order-book depth for every contract of the Humanity's Last Exam series on Kalshi (17 contract files on the latest day). One bundle = one UTC day of the whole series.
KXLASTEXAM — 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 KXLASTEXAM-* contract that traded that UTC day.
Coverage runs May 2026 – September 2026 — 113 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.
On average 2 Humanity's Last Exam contracts had at least one trade per UTC day over the last 30 captured days on Kalshi, with about 35.3K order-book level updates recorded per day. A day bundle contains every contract file of the series for that day.
| Buy day → |
| 2026-09-05 | 17 | 153 KB | 2 | 11 | $193.5 | 40 % | 2.49 ¢ | $58.2 | 4.1K | Buy day → |
| 2026-09-04 | 17 | 873 KB | 2 | 27 | $466.3 | 90 % | 11.0 ¢ | $26.7 | 33.4K | Buy day → |
| 2026-09-03 | 17 | 530 KB | 4 | 13 | $625.6 | 45 % | 6.77 ¢ | $75.17 | 18.5K | Buy day → |
| 2026-09-02 | 17 | 134 KB | 1 | 2 | $49.71 | 96 % | 6.09 ¢ | $63.4 | 3.1K | Buy day → |
| 2026-09-01 | 17 | 229 KB | 4 | 16 | $259.92 | 94 % | 4.10 ¢ | $96.42 | 6.2K | Buy day → |
| 2026-08-31 | 17 | 290 KB | 4 | 40 | $1.0K | 22 % | 6.74 ¢ | $85.88 | 8.4K | Buy day → |
| 2026-08-30 | 17 | 8.86 MB | 4 | 33 | $1.1K | 74 % | 23.0 ¢ | $68.54 | 381.4K | Buy day → |
| 2026-08-29 | 17 | 90.8 KB | 0 | 0 | $0 | — | — | — | 1.7K | Buy day → |
| 2026-08-28 | 17 | 100 KB | 5 | 22 | $244.41 | 99 % | 4.01 ¢ | $56.12 | 1.5K | Buy day → |
| 2026-08-27 | 17 | 148 KB | 2 | 2 | $2.55 | 35 % | 15.2 ¢ | $54.96 | 1.6K | Buy day → |
| 2026-08-26 | 17 | 126 KB | 0 | 0 | $0 | — | — | — | 2.2K | Buy day → |
| 2026-08-25 | 17 | 127 KB | 2 | 2 | $19.15 | 100 % | 5.17 ¢ | $118.38 | 2.5K | Buy day → |
| 2026-08-24 | 17 | 189 KB | 1 | 2 | $2.45 | 0 % | 5.59 ¢ | $43.49 | 5.0K | Buy day → |
| 2026-08-23 | 17 | 191 KB | 0 | 0 | $0 | — | — | — | 4.8K | Buy day → |
| 2026-08-22 | 17 | 210 KB | 3 | 6 | $214.04 | 66 % | 4.58 ¢ | $116.78 | 5.6K | Buy day → |
| 2026-08-21 | 17 | 175 KB | 2 | 3 | $59.64 | 54 % | 5.55 ¢ | $110.11 | 3.8K | Buy day → |
| 2026-08-20 | 17 | 531 KB | 2 | 4 | $14.63 | 90 % | 6.17 ¢ | $164.51 | 17.0K | Buy day → |
| 2026-08-19 | 17 | 829 KB | 1 | 3 | $112.29 | 0 % | 10.9 ¢ | $23.93 | 28.3K | Buy day → |
| 2026-08-18 | 17 | 2.82 MB | 0 | 0 | $0 | — | — | — | 113.3K | Buy day → |
| 2026-08-17 | 17 | 1.97 MB | 0 | 0 | $0 | — | — | — | 78.6K | Buy day → |
| 2026-08-16 | 17 | 657 KB | 0 | 0 | $0 | — | — | — | 23.7K | Buy day → |
| 2026-08-15 | 17 | 366 KB | 2 | 8 | $89.59 | 47 % | 5.37 ¢ | $60.94 | 11.0K | Buy day → |
| 2026-08-14 | 17 | 857 KB | 1 | 1 | $2.4 | 0 % | 5.21 ¢ | $10.35 | 29.2K | Buy day → |
| 2026-08-13 | 17 | 742 KB | 2 | 4 | $34 | 0 % | 4.42 ¢ | $90.22 | 25.8K | Buy day → |
| 2026-08-12 | 17 | 1.93 MB | 2 | 2 | $3.02 | 0 % | 6.07 ¢ | $170.06 | 76.3K | Buy day → |
| 2026-08-11 | 17 | 747 KB | 0 | 0 | $0 | — | — | — | 26.0K | 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 —.
| 0.900 |
| 0.900 |
| 0.900 |
| 0.900 |
| 0.900 |
| open |
| 1 |
| $2.98 |
| 100 % |
| buy file → |
| KXLASTEXAM-26DEC31-T80 | 0.490 | 0.490 | 0.250 | 0.250 | 0.370 | open | 2 | $2.45 | 100 % | buy file → |
| KXLASTEXAM-26DEC31-T90 | 0.070 | 0.200 | 0.070 | 0.200 | 0.200 | open | 1 | $0.95 | 100 % | 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 2 most traded Humanity's Last Exam contracts on 2026-09-08 — 0 closed Yes (≥ 0.97), 0 closed No (≤ 0.03), 2 still open at the last print: 9 trades, $273.35 USD turnover. The busiest contract was KXLASTEXAM-26DEC31-T60 with $175.35 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXLASTEXAM-26DEC31-T60 | 0.620 | 0.620 | 0.590 | 0.590 | 0.594 | open | 5 | $175.35 | 0 % | buy file → |
| KXLASTEXAM-26DEC31-T65 | 0.380 | 0.750 | 0.380 | 0.750 | 0.710 | open | 4 | $98 | 100 % | buy file → |
The 2 most traded Humanity's Last Exam contracts on 2026-09-07 — 0 closed Yes (≥ 0.97), 0 closed No (≤ 0.03), 2 still open at the last print: 5 trades, $42.69 USD turnover. The busiest contract was KXLASTEXAM-26DEC31-T65 with $40.97 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXLASTEXAM-26DEC31-T65 | 0.360 | 0.380 | 0.340 | 0.380 | 0.358 | open | 4 | $40.97 | 0 % | buy file → |
| KXLASTEXAM-26DEC31-T60 | 0.600 | 0.620 | 0.600 | 0.620 | 0.620 | open | 1 | $1.72 | 100 % | buy file → |
The 2 most traded Humanity's Last Exam contracts on 2026-09-06 — 0 closed Yes (≥ 0.97), 0 closed No (≤ 0.03), 2 still open at the last print: 24 trades, $313.22 USD turnover. The busiest contract was KXLASTEXAM-26DEC31-T60 with $212.77 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXLASTEXAM-26DEC31-T60 | 0.620 | 0.630 | 0.590 | 0.600 | 0.601 | open | 10 | $212.77 | 0 % | buy file → |
| KXLASTEXAM-26DEC31-T65 | 0.360 | 0.560 | 0.360 | 0.360 | 0.387 | open | 14 | $100.45 | 41 % | buy file → |
The 2 most traded Humanity's Last Exam contracts on 2026-09-05 — 0 closed Yes (≥ 0.97), 0 closed No (≤ 0.03), 2 still open at the last print: 11 trades, $193.5 USD turnover. The busiest contract was KXLASTEXAM-26DEC31-T65 with $158.5 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXLASTEXAM-26DEC31-T65 | 0.380 | 0.390 | 0.360 | 0.360 | 0.372 | open | 10 | $158.5 | 27 % | buy file → |
| KXLASTEXAM-26DEC31-T90 | 0.070 | 0.070 | 0.070 | 0.070 | 0.070 | open | 1 | $35 | 100 % | buy file → |
The 2 most traded Humanity's Last Exam contracts on 2026-09-04 — 0 closed Yes (≥ 0.97), 0 closed No (≤ 0.03), 2 still open at the last print: 27 trades, $466.3 USD turnover. The busiest contract was KXLASTEXAM-26DEC31-T65 with $326.39 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXLASTEXAM-26DEC31-T65 | 0.390 | 0.520 | 0.350 | 0.380 | 0.378 | open | 24 | $326.39 | 86 % | buy file → |
| KXLASTEXAM-26DEC31-T60 | 0.660 | 0.660 | 0.620 | 0.620 | 0.650 | open | 3 | $139.91 | 100 % | buy file → |
The 4 most traded Humanity's Last Exam contracts on 2026-09-03 — 0 closed Yes (≥ 0.97), 0 closed No (≤ 0.03), 4 still open at the last print: 13 trades, $625.6 USD turnover. The busiest contract was KXLASTEXAM-26DEC31-T60 with $338.72 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXLASTEXAM-26DEC31-T60 | 0.710 | 0.720 | 0.660 | 0.660 | 0.661 | open | 5 | $338.72 | 1 % | buy file → |
| KXLASTEXAM-26DEC31-T65 | 0.400 | 0.730 | 0.380 | 0.390 | 0.417 | open | 6 | $281.35 | 100 % | buy file → |
| KXLASTEXAM-26DEC31-T55 | 0.920 | 0.920 | 0.920 | 0.920 | 0.920 | open | 1 | $5.52 | 0 % | buy file → |
| KXLASTEXAM-27DEC31-T75 | 0.570 | 0.570 | 0.570 | 0.570 | 0.570 | open | 1 | $0.01 | 0 % | buy file → |
| 0.420 |
| 1 |
| $16.38 |
| 2.00 ¢ |
| $213.2 / $7.48 |
| 02:56 | 0.420 | 0.420 | 0.420 | 0.420 | 1 | $4.2 | 2.00 ¢ | $220.46 / $11.44 |
| 04:35 | 0.420 | 0.420 | 0.420 | 0.420 | 1 | $2.1 | 1.01 ¢ | $209.41 / $2.15 |
| 04:59 | 0.420 | 0.420 | 0.420 | 0.420 | 1 | $4.2 | 1.00 ¢ | $210 / $2.15 |
| 05:00 | 0.420 | 0.420 | 0.420 | 0.420 | 1 | $6.3 | 1.00 ¢ | $209.51 / $2.15 |
| 05:06 | 0.420 | 0.420 | 0.420 | 0.420 | 1 | $143.64 | 5.17 ¢ | $148.57 / $112.81 |
| 11:02 | 0.420 | 0.410 | 0.410 | 0.410 | 1 | $2.46 | 2.00 ¢ | $213.99 / $2.15 |
| 11:03 | 0.410 | 0.410 | 0.410 | 0.410 | 1 | $2.46 | 2.00 ¢ | $214.51 / $2.15 |
| 11:05 | 0.410 | 0.410 | 0.410 | 0.410 | 1 | $2.46 | 2.00 ¢ | $208.99 / $2.15 |
| 11:06 | 0.410 | 0.410 | 0.410 | 0.410 | 1 | $2.46 | 2.00 ¢ | $208.78 / $2.15 |
| 11:07 | 0.410 | 0.410 | 0.410 | 0.410 | 1 | $2.46 | 2.00 ¢ | $209.78 / $2.15 |
| 11:09 | 0.410 | 0.410 | 0.410 | 0.410 | 1 | $2.46 | 2.00 ¢ | $205.81 / $2.15 |
| 11:10 | 0.410 | 0.410 | 0.410 | 0.410 | 2 | $2.46 | 2.01 ¢ | $204.29 / $2.15 |
| 11:11 | 0.410 | 0.410 | 0.410 | 0.410 | 1 | $2.46 | 2.00 ¢ | $204.97 / $2.15 |
| 11:13 | 0.410 | 0.410 | 0.410 | 0.410 | 1 | $2.46 | 2.00 ¢ | $203.24 / $2.15 |
| 11:14 | 0.410 | 0.410 | 0.410 | 0.410 | 1 | $2.46 | 2.00 ¢ | $204.97 / $2.15 |
| 11:16 | 0.410 | 0.410 | 0.410 | 0.410 | 1 | $2.46 | 2.00 ¢ | $204.97 / $2.15 |
| 11:17 | 0.410 | 0.410 | 0.410 | 0.410 | 1 | $2.46 | 2.00 ¢ | $205 / $2.15 |
| 11:18 | 0.410 | 0.410 | 0.410 | 0.410 | 1 | $2.46 | 2.13 ¢ | $204.3 / $29.16 |
| 11:57 | 0.410 | 0.400 | 0.400 | 0.400 | 1 | $2.4 | 3.00 ¢ | $200 / $227.9 |
| 12:00 | 0.400 | 0.400 | 0.400 | 0.400 | 1 | $2.4 | 2.00 ¢ | $199.14 / $10.5 |
| 12:01 | 0.400 | 0.400 | 0.400 | 0.400 | 1 | $2.4 | 2.00 ¢ | $199.99 / $10.5 |
| 12:03 | 0.400 | 0.400 | 0.400 | 0.400 | 1 | $2.4 | 2.00 ¢ | $198.21 / $10.5 |
| 12:04 | 0.400 | 0.400 | 0.400 | 0.400 | 1 | $2.4 | 2.01 ¢ | $198.82 / $10.5 |
| 12:05 | 0.400 | 0.400 | 0.400 | 0.400 | 1 | $2.4 | 2.90 ¢ | $199.95 / $202.76 |
| 12:06 | 0.400 | 0.400 | 0.400 | 0.400 | 1 | $2.4 | 3.00 ¢ | $199.91 / $217.97 |
| 12:08 | 0.400 | 0.400 | 0.400 | 0.400 | 1 | $2.4 | 2.55 ¢ | $198.08 / $124.99 |
| 12:09 | 0.400 | 0.400 | 0.400 | 0.400 | 1 | $2.4 | 2.00 ¢ | $198.73 / $10.5 |
| 12:27 | 0.400 | 0.400 | 0.400 | 0.400 | 1 | $2.4 | 2.00 ¢ | $199.26 / $10.5 |
| 12:29 | 0.400 | 0.400 | 0.400 | 0.400 | 1 | $2.4 | 2.00 ¢ | $199.99 / $10.5 |
| 12:30 | 0.400 | 0.400 | 0.400 | 0.400 | 1 | $2.4 | 2.00 ¢ | $199.81 / $10.51 |
| 17:25 | 0.390 | 0.390 | 0.380 | 0.380 | 2 | $213.4 | 6.37 ¢ | $134.18 / $162.33 |
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.
Over the last 30 captured days, the turnover-weighted quoted bid-ask spread was 10.2 ¢ (contracts quote 0..1 = 100 ¢), the mean best-bid/best-ask notional was about $70.34 per side, 53 % 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.
KXLASTEXAM-26DEC31-T60 — $29.4 USD turnover over 2 trades on Kalshi. The 6 most traded contracts of the series did 12 trades and $57.17 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.