Tick-by-tick trades and order-book depth for every Kalshi “Republican house seats” contract — 190 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 Republican house seats contract that traded on Kalshi on that UTC day — 11 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 — 190 trading days, 205 MB compressed in total. A day typically holds 11 contract files (up to 11 on the busiest day, 9.01 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 9 most traded Republican house seats contracts on 2026-09-09 — 0 closed Yes (≥ 0.97), 1 closed No (≤ 0.03), 8 still open at the last print: 53 trades, $2.0K USD turnover. The busiest contract was KXRHOUSESEATS-27-193 with $1.1K turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXRHOUSESEATS-27-193 | 0.230 | 0.230 | 0.220 | 0.230 | 0.220 | open | 10 | $1.1K | 2 % | buy file → |
| KXRHOUSESEATS-27-200 | 0.140 | 0.150 | 0.140 | 0.150 | 0.150 | open | 2 | $450 | 100 % | buy file → |
| KXRHOUSESEATS-27-220 | 0.068 | 0.068 | 0.068 | 0.068 | 0.068 | open | 6 | $194.66 | 100 % | buy file → |
| KXRHOUSESEATS-27-215 |
On Kalshi, a Republican house seats contract trades until its event settles, is listed roughly 151 days before it opens, and quotes in 0.1 ¢ price steps (0..1). Measured on the 9 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.
KXRHOUSESEATS-27-193 traded in 9 of the day’s minutes (03:41–23:58 UTC): 16 trades, $1.1K turnover, opening at 0.220, ranging 0.210–0.230 and closing at 0.220.
| Minute (UTC) | Open | High | Low | Close | Trades | Turnover | Spread | Top-1 bid / ask |
|---|---|---|---|---|---|---|---|---|
| 03:41 | 0.220 | 0.220 | 0.220 | 0.220 | 1 | $9.49 | 1.00 ¢ | $555.07 / $709.29 |
| 09:19 | 0.220 | 0.220 | 0.220 | 0.220 | 1 | $4.75 | 1.00 ¢ | $930.31 / $650.81 |
| 16:03 | 0.220 | 0.220 | 0.220 | 0.220 | 1 | $4.4 |
Tick-by-tick trades and Level-2 order-book depth for every contract of the Republican house seats series on Kalshi (11 contract files on the latest day). One bundle = one UTC day of the whole series.
KXRHOUSESEATS — 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 KXRHOUSESEATS-* contract that traded that UTC day.
Coverage runs March 2026 – September 2026 — 190 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 8 Republican house seats contracts had at least one trade per UTC day over the last 30 captured days on Kalshi, with about 83.0K 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 | 11 | 1.35 MB | 9 | 55 | $1.9K | 42 % | 0.82 ¢ | $2.0K | 50.2K | Buy day → |
| 2026-09-04 | 11 | 1.34 MB | 10 | 82 | $2.4K | 79 % | 0.98 ¢ | $1.1K | 47.7K | Buy day → |
| 2026-09-03 | 11 | 1.62 MB | 10 | 85 | $2.6K | 96 % | 0.87 ¢ | $1.5K | 58.6K | Buy day → |
| 2026-09-02 | 11 | 300 KB | 10 | 65 | $1.1K | 88 % | 1.52 ¢ | $542.39 | 7.9K | Buy day → |
| 2026-09-01 | 11 | 2.30 MB | 9 | 33 | $316.9 | 59 % | 0.84 ¢ | $671.47 | 89.1K | Buy day → |
| 2026-08-31 | 11 | 1.86 MB | 9 | 48 | $1.0K | 62 % | 0.85 ¢ | $857.2 | 68.5K | Buy day → |
| 2026-08-30 | 11 | 1.66 MB | 11 | 69 | $2.0K | 96 % | 0.68 ¢ | $745.38 | 61.3K | Buy day → |
| 2026-08-29 | 11 | 1.94 MB | 10 | 34 | $576.84 | 100 % | 1.19 ¢ | $334.92 | 71.4K | Buy day → |
| 2026-08-28 | 11 | 2.03 MB | 6 | 29 | $298.65 | 51 % | 1.21 ¢ | $565.55 | 57.8K | Buy day → |
| 2026-08-27 | 11 | 1.88 MB | 7 | 37 | $1.4K | 54 % | 1.06 ¢ | $964.57 | 56.7K | Buy day → |
| 2026-08-26 | 11 | 4.27 MB | 8 | 32 | $85.69 | 83 % | 0.47 ¢ | $814.16 | 143.6K | Buy day → |
| 2026-08-25 | 11 | 3.33 MB | 10 | 40 | $569 | 37 % | 0.95 ¢ | $942.55 | 122.5K | Buy day → |
| 2026-08-24 | 11 | 5.39 MB | 10 | 39 | $206.49 | 93 % | 0.74 ¢ | $443.46 | 211.3K | Buy day → |
| 2026-08-23 | 11 | 1.61 MB | 7 | 25 | $656.09 | 94 % | 0.82 ¢ | $1.3K | 61.1K | Buy day → |
| 2026-08-22 | 11 | 5.40 MB | 10 | 59 | $584.11 | 97 % | 0.52 ¢ | $258.38 | 215.3K | Buy day → |
| 2026-08-21 | 11 | 1.09 MB | 6 | 19 | $452.32 | 38 % | 0.93 ¢ | $1.1K | 39.5K | Buy day → |
| 2026-08-20 | 11 | 5.26 MB | 10 | 54 | $2.4K | 9 % | 0.96 ¢ | $2.1K | 209.9K | Buy day → |
| 2026-08-19 | 11 | 1.52 MB | 9 | 34 | $787.35 | 56 % | 0.87 ¢ | $1.8K | 55.2K | Buy day → |
| 2026-08-18 | 11 | 3.88 MB | 11 | 95 | $1.6K | 20 % | 0.91 ¢ | $1.8K | 148.0K | Buy day → |
| 2026-08-17 | 11 | 4.10 MB | 9 | 48 | $3.3K | 39 % | 1.00 ¢ | $1.2K | 151.7K | Buy day → |
| 2026-08-16 | 11 | 5.46 MB | 5 | 22 | $481.74 | 100 % | 0.95 ¢ | $358.23 | 215.6K | Buy day → |
| 2026-08-15 | 11 | 2.30 MB | 2 | 6 | $146.47 | 87 % | 1.00 ¢ | $410.33 | 90.5K | Buy day → |
| 2026-08-14 | 11 | 1.32 MB | 3 | 10 | $157.94 | 12 % | 0.89 ¢ | $290.01 | 52.7K | Buy day → |
| 2026-08-13 | 11 | 2.63 MB | 8 | 59 | $1.2K | 91 % | 0.94 ¢ | $391.32 | 106.8K | Buy day → |
| 2026-08-12 | 11 | 551 KB | 6 | 34 | $2.0K | 25 % | 1.00 ¢ | $255.76 | 16.3K | Buy day → |
| 2026-08-11 | 11 | 1.04 MB | 6 | 30 | $3.5K | 100 % | 1.00 ¢ | $3.1K | 34.5K | 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 —.
| 0.110 |
| 0.110 |
| 0.100 |
| 0.100 |
| 0.107 |
| open |
| 5 |
| $70.17 |
| 75 % |
| buy file → |
| KXRHOUSESEATS-27-205 | 0.160 | 0.160 | 0.160 | 0.160 | 0.160 | open | 5 | $68.26 | 100 % | buy file → |
| KXRHOUSESEATS-27-210 | 0.120 | 0.120 | 0.110 | 0.110 | 0.117 | open | 5 | $59.96 | 75 % | buy file → |
| KXRHOUSESEATS-27-195 | 0.120 | 0.120 | 0.120 | 0.120 | 0.120 | open | 5 | $14.13 | 100 % | buy file → |
| KXRHOUSESEATS-27-225 | 0.047 | 0.047 | 0.041 | 0.041 | 0.042 | open | 13 | $9.75 | 0 % | buy file → |
| KXRHOUSESEATS-27-235 | 0.017 | 0.017 | 0.017 | 0.017 | 0.017 | No | 2 | $0.6 | 0 % | 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 10 most traded Republican house seats contracts on 2026-09-08 — 0 closed Yes (≥ 0.97), 2 closed No (≤ 0.03), 8 still open at the last print: 51 trades, $3.2K USD turnover. The busiest contract was KXRHOUSESEATS-27-193 with $1.2K turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXRHOUSESEATS-27-193 | 0.230 | 0.230 | 0.220 | 0.230 | 0.221 | open | 6 | $1.2K | 8 % | buy file → |
| KXRHOUSESEATS-27-220 | 0.069 | 0.069 | 0.067 | 0.068 | 0.068 | open | 11 | $655.73 | 40 % | buy file → |
| KXRHOUSESEATS-27-225 | 0.050 | 0.058 | 0.047 | 0.047 | 0.058 | open | 17 | $555.92 | 100 % | buy file → |
| KXRHOUSESEATS-27-195 | 0.120 | 0.120 | 0.120 | 0.120 | 0.120 | open | 1 | $470.99 | 100 % | buy file → |
| KXRHOUSESEATS-27-200 | 0.150 | 0.150 | 0.140 | 0.140 | 0.140 | open | 3 | $255.29 | 0 % | buy file → |
| KXRHOUSESEATS-27-230 | 0.020 | 0.020 | 0.018 | 0.018 | 0.018 | No | 3 | $18.13 | 0 % | buy file → |
| KXRHOUSESEATS-27-205 | 0.170 | 0.170 | 0.150 | 0.160 | 0.155 | open | 3 | $10.4 | 55 % | buy file → |
| KXRHOUSESEATS-27-235 | 0.018 | 0.018 | 0.017 | 0.017 | 0.017 | No | 1 | $8.5 | 100 % | buy file → |
| KXRHOUSESEATS-27-210 | 0.120 | 0.120 | 0.120 | 0.120 | 0.120 | open | 5 | $4.71 | 100 % | buy file → |
| KXRHOUSESEATS-27-237 | 0.049 | 0.049 | 0.047 | 0.047 | 0.047 | open | 1 | $2.45 | 100 % | buy file → |
The 10 most traded Republican house seats contracts on 2026-09-07 — 0 closed Yes (≥ 0.97), 2 closed No (≤ 0.03), 8 still open at the last print: 39 trades, $1.8K USD turnover. The busiest contract was KXRHOUSESEATS-27-193 with $1.4K turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXRHOUSESEATS-27-193 | 0.220 | 0.230 | 0.220 | 0.230 | 0.220 | open | 15 | $1.4K | 97 % | buy file → |
| KXRHOUSESEATS-27-220 | 0.065 | 0.069 | 0.065 | 0.069 | 0.068 | open | 4 | $375.47 | 100 % | buy file → |
| KXRHOUSESEATS-27-205 | 0.160 | 0.170 | 0.160 | 0.170 | 0.170 | open | 5 | $23.58 | 100 % | buy file → |
| KXRHOUSESEATS-27-200 | 0.150 | 0.150 | 0.150 | 0.150 | 0.150 | open | 6 | $6 | 100 % | buy file → |
| KXRHOUSESEATS-27-195 | 0.120 | 0.120 | 0.120 | 0.120 | 0.120 | open | 1 | $6 | 100 % | buy file → |
| KXRHOUSESEATS-27-215 | 0.110 | 0.110 | 0.110 | 0.110 | 0.110 | open | 1 | $5.5 | 100 % | buy file → |
| KXRHOUSESEATS-27-237 | 0.044 | 0.049 | 0.044 | 0.049 | 0.049 | open | 2 | $4.9 | 100 % | buy file → |
| KXRHOUSESEATS-27-235 | 0.018 | 0.018 | 0.018 | 0.018 | 0.018 | No | 1 | $3.6 | 100 % | buy file → |
| KXRHOUSESEATS-27-210 | 0.120 | 0.120 | 0.110 | 0.120 | 0.119 | open | 2 | $0.95 | 88 % | buy file → |
| KXRHOUSESEATS-27-230 | 0.021 | 0.021 | 0.020 | 0.020 | 0.020 | No | 2 | $0.54 | 0 % | buy file → |
The 7 most traded Republican house seats contracts on 2026-09-06 — 0 closed Yes (≥ 0.97), 1 closed No (≤ 0.03), 6 still open at the last print: 20 trades, $192.77 USD turnover. The busiest contract was KXRHOUSESEATS-27-193 with $100.17 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXRHOUSESEATS-27-193 | 0.210 | 0.220 | 0.210 | 0.220 | 0.214 | open | 7 | $100.17 | 38 % | buy file → |
| KXRHOUSESEATS-27-220 | 0.069 | 0.069 | 0.065 | 0.065 | 0.068 | open | 3 | $54.62 | 99 % | buy file → |
| KXRHOUSESEATS-27-235 | 0.018 | 0.018 | 0.018 | 0.018 | 0.018 | No | 1 | $18.72 | 100 % | buy file → |
| KXRHOUSESEATS-27-205 | 0.160 | 0.160 | 0.160 | 0.160 | 0.160 | open | 3 | $5.67 | 100 % | buy file → |
| KXRHOUSESEATS-27-210 | 0.120 | 0.120 | 0.120 | 0.120 | 0.120 | open | 2 | $4.71 | 100 % | buy file → |
| KXRHOUSESEATS-27-215 | 0.110 | 0.110 | 0.110 | 0.110 | 0.110 | open | 1 | $4.7 | 100 % | buy file → |
| KXRHOUSESEATS-27-237 | 0.050 | 0.050 | 0.039 | 0.044 | 0.043 | open | 3 | $4.18 | 100 % | buy file → |
The 9 most traded Republican house seats contracts on 2026-09-05 — 0 closed Yes (≥ 0.97), 1 closed No (≤ 0.03), 8 still open at the last print: 55 trades, $1.9K USD turnover. The busiest contract was KXRHOUSESEATS-27-193 with $987.32 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXRHOUSESEATS-27-193 | 0.230 | 0.230 | 0.200 | 0.210 | 0.218 | open | 11 | $987.32 | 2 % | buy file → |
| KXRHOUSESEATS-27-220 | 0.070 | 0.070 | 0.068 | 0.069 | 0.069 | open | 8 | $434.57 | 98 % | buy file → |
| KXRHOUSESEATS-27-215 | 0.110 | 0.110 | 0.110 | 0.110 | 0.110 | open | 5 | $325.72 | 100 % | buy file → |
| KXRHOUSESEATS-27-230 | 0.031 | 0.031 | 0.017 | 0.021 | 0.023 | No | 21 | $180.05 | 18 % | buy file → |
| KXRHOUSESEATS-27-205 | 0.160 | 0.160 | 0.160 | 0.160 | 0.160 | open | 3 | $4.78 | 100 % | buy file → |
| KXRHOUSESEATS-27-200 | 0.140 | 0.150 | 0.140 | 0.150 | 0.150 | open | 2 | $4.77 | 100 % | buy file → |
| KXRHOUSESEATS-27-210 | 0.120 | 0.120 | 0.120 | 0.120 | 0.120 | open | 2 | $1.9 | 100 % | buy file → |
| KXRHOUSESEATS-27-225 | 0.059 | 0.059 | 0.050 | 0.050 | 0.050 | open | 1 | $0.5 | 100 % | buy file → |
| KXRHOUSESEATS-27-195 | 0.110 | 0.120 | 0.110 | 0.120 | 0.120 | open | 2 | $0.17 | 100 % | buy file → |
The 10 most traded Republican house seats contracts on 2026-09-04 — 0 closed Yes (≥ 0.97), 0 closed No (≤ 0.03), 10 still open at the last print: 82 trades, $2.4K USD turnover. The busiest contract was KXRHOUSESEATS-27-193 with $2.2K turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXRHOUSESEATS-27-193 | 0.220 | 0.230 | 0.220 | 0.230 | 0.228 | open | 20 | $2.2K | 79 % | buy file → |
| KXRHOUSESEATS-27-237 | 0.056 | 0.056 | 0.047 | 0.050 | 0.055 | open | 24 | $62.86 | 64 % | buy file → |
| KXRHOUSESEATS-27-230 | 0.031 | 0.031 | 0.031 | 0.031 | 0.031 | open | 2 | $41.42 | 100 % | buy file → |
| KXRHOUSESEATS-27-200 | 0.140 | 0.160 | 0.140 | 0.140 | 0.153 | open | 7 | $34.19 | 98 % | buy file → |
| KXRHOUSESEATS-27-205 | 0.150 | 0.160 | 0.150 | 0.160 | 0.153 | open | 11 | $30.71 | 32 % | buy file → |
| KXRHOUSESEATS-27-220 | 0.074 | 0.074 | 0.070 | 0.070 | 0.071 | open | 8 | $29.1 | 100 % | buy file → |
| KXRHOUSESEATS-27-210 | 0.130 | 0.130 | 0.120 | 0.120 | 0.130 | open | 2 | $18.93 | 100 % | buy file → |
| KXRHOUSESEATS-27-215 | 0.110 | 0.110 | 0.110 | 0.110 | 0.110 | open | 1 | $16.94 | 100 % | buy file → |
| KXRHOUSESEATS-27-225 | 0.059 | 0.059 | 0.057 | 0.059 | 0.058 | open | 4 | $7.16 | 100 % | buy file → |
| KXRHOUSESEATS-27-195 | 0.110 | 0.120 | 0.110 | 0.110 | 0.115 | open | 3 | $3.22 | 52 % | buy file → |
The 10 most traded Republican house seats contracts on 2026-09-03 — 0 closed Yes (≥ 0.97), 1 closed No (≤ 0.03), 9 still open at the last print: 85 trades, $2.6K USD turnover. The busiest contract was KXRHOUSESEATS-27-193 with $1.1K turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXRHOUSESEATS-27-193 | 0.220 | 0.230 | 0.210 | 0.220 | 0.220 | open | 16 | $1.1K | 99 % | buy file → |
| KXRHOUSESEATS-27-200 | 0.140 | 0.140 | 0.140 | 0.140 | 0.140 | open | 8 | $584.21 | 100 % | buy file → |
| KXRHOUSESEATS-27-220 | 0.074 | 0.075 | 0.074 | 0.074 | 0.075 | open | 22 | $408.66 | 73 % | buy file → |
| KXRHOUSESEATS-27-205 | 0.150 | 0.150 | 0.150 | 0.150 | 0.150 | open | 12 | $248.87 | 100 % | buy file → |
| KXRHOUSESEATS-27-195 | 0.110 | 0.110 | 0.110 | 0.110 | 0.110 | open | 4 | $118.43 | 100 % | buy file → |
| KXRHOUSESEATS-27-225 | 0.040 | 0.059 | 0.040 | 0.059 | 0.051 | open | 7 | $64.07 | 100 % | buy file → |
| KXRHOUSESEATS-27-210 | 0.120 | 0.130 | 0.120 | 0.130 | 0.130 | open | 3 | $53.43 | 100 % | buy file → |
| KXRHOUSESEATS-27-235 | 0.010 | 0.018 | 0.010 | 0.018 | 0.018 | No | 4 | $10.18 | 100 % | buy file → |
| KXRHOUSESEATS-27-215 | 0.110 | 0.110 | 0.110 | 0.110 | 0.110 | open | 1 | $8.8 | 100 % | buy file → |
| KXRHOUSESEATS-27-230 | 0.024 | 0.031 | 0.024 | 0.031 | 0.029 | open | 8 | $2.8 | 95 % | buy file → |
| 1.00 ¢ |
| $1.1K / $1.5K |
| 16:15 | 0.220 | 0.220 | 0.220 | 0.220 | 1 | $7.04 | 1.00 ¢ | $1.1K / $1.5K |
| 16:32 | 0.220 | 0.210 | 0.210 | 0.210 | 1 | $0.27 | 1.00 ¢ | $1.1K / $1.5K |
| 18:59 | 0.210 | 0.220 | 0.220 | 0.220 | 8 | $1.1K | 1.00 ¢ | $1.0K / $1.4K |
| 20:00 | 0.220 | 0.220 | 0.220 | 0.220 | 1 | $3.52 | 1.00 ¢ | $439.32 / $933.65 |
| 20:29 | 0.220 | 0.230 | 0.230 | 0.230 | 1 | $1.84 | 1.00 ¢ | $436.48 / $1.1K |
| 23:58 | 0.230 | 0.220 | 0.220 | 0.220 | 1 | $2.64 | 1.00 ¢ | $434.83 / $1.1K |
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 0.93 ¢ (contracts quote 0..1 = 100 ¢), the mean best-bid/best-ask notional was about $1.3K per side, 63 % 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.
KXRHOUSESEATS-27-193 — $1.1K USD turnover over 10 trades on Kalshi. The 9 most traded contracts of the series did 53 trades and $2.0K 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.