Tick-by-tick trades and order-book depth for every Kalshi “Congress trades” contract — 193 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 2026-09-12, 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 Congress trades contract that traded on Kalshi on that UTC day — 10 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 — 193 trading days, 69.6 MB compressed in total. A day typically holds 10 contract files (up to 10 on the busiest day, 4.33 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 Congress trades contracts on 2026-09-01 — 0 closed Yes (≥ 0.97), 0 closed No (≤ 0.03), 1 still open at the last print: 2 trades, $3.05 USD turnover. The busiest contract was KXCONGRESSTRADES-25-RWIL with $3.05 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXCONGRESSTRADES-25-RWIL | 0.500 | 0.510 | 0.500 | 0.510 | 0.508 | open | 2 | $3.05 | 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 1 most traded Congress trades contracts on 2026-08-31 — 0 closed Yes (≥ 0.97), 0 closed No (≤ 0.03), 1 still open at the last print: 4 trades, $4.69 USD turnover. The busiest contract was KXCONGRESSTRADES-25-NPEL with $4.69 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXCONGRESSTRADES-25-NPEL |
On Kalshi, a Congress trades contract trades until its event settles, is listed roughly 275 days before it opens, and quotes in 0.1 ¢ price steps (0..1). Measured on the 1 contracts captured on 2026-09-01.
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.
Tick-by-tick trades and Level-2 order-book depth for every contract of the Congress trades series on Kalshi (10 contract files on the latest day). One bundle = one UTC day of the whole series.
KXCONGRESSTRADES — 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 KXCONGRESSTRADES-* contract that traded that UTC day.
Coverage runs March 2026 – September 2026 — 193 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 0 Congress trades contracts had at least one trade per UTC day over the last 30 captured days on Kalshi, with about 42.0K order-book level updates recorded per day. A day bundle contains every contract file of the series for that day.
| 2026-09-08 | 10 | 2.10 MB | 0 | 0 | $0 | — | — | — | 85.7K | Buy day → |
| 2026-09-07 | 10 | 1.46 MB | 0 | 0 | $0 | — | — | — | 59.4K | Buy day → |
| 2026-09-06 | 10 | 1.36 MB | 0 | 0 | $0 | — | — | — | 54.8K | Buy day → |
| 2026-09-05 | 10 | 4.33 MB | 0 | 0 | $0 | — | — | — | 178.9K | Buy day → |
| 2026-09-04 | 10 | 2.53 MB | 0 | 0 | $0 | — | — | — | 103.9K | Buy day → |
| 2026-09-03 | 10 | 357 KB | 0 | 0 | $0 | — | — | — | 12.5K | Buy day → |
| 2026-09-02 | 10 | 355 KB | 0 | 0 | $0 | — | — | — | 12.5K | Buy day → |
| 2026-09-01 | 10 | 204 KB | 1 | 2 | $3.05 | 100 % | 56.7 ¢ | $11.4 | 6.4K | Buy day → |
| 2026-08-31 | 10 | 886 KB | 1 | 4 | $4.69 | 100 % | 5.82 ¢ | $1.5 | 32.5K | Buy day → |
| 2026-08-30 | 10 | 1017 KB | 1 | 2 | $7.26 | 100 % | 49.0 ¢ | $2.74 | 37.6K | Buy day → |
| 2026-08-29 | 10 | 2.47 MB | 0 | 0 | $0 | — | — | — | 91.9K | Buy day → |
| 2026-08-28 | 10 | 3.46 MB | 0 | 0 | $0 | — | — | — | 98.1K | Buy day → |
| 2026-08-27 | 10 | 3.32 MB | 0 | 0 | $0 | — | — | — | 118.9K | Buy day → |
| 2026-08-26 | 10 | 1.91 MB | 0 | 0 | $0 | — | — | — | 62.8K | Buy day → |
| 2026-08-25 | 10 | 1.06 MB | 0 | 0 | $0 | — | — | — | 40.1K | Buy day → |
| 2026-08-24 | 10 | 786 KB | 0 | 0 | $0 | — | — | — | 28.5K | Buy day → |
| 2026-08-23 | 10 | 757 KB | 1 | 6 | $2.27 | 84 % | 24.5 ¢ | $0.49 | 27.5K | Buy day → |
| 2026-08-22 | 10 | 376 KB | 1 | 1 | $0.13 | 0 % | 6.45 ¢ | $2.31 | 13.4K | Buy day → |
| 2026-08-21 | 10 | 437 KB | 1 | 2 | $10.64 | 100 % | 50.4 ¢ | $6.34 | 15.5K | Buy day → |
| 2026-08-20 | 10 | 136 KB | 0 | 0 | $0 | — | — | — | 3.6K | Buy day → |
| 2026-08-19 | 10 | 150 KB | 0 | 0 | $0 | — | — | — | 4.3K | Buy day → |
| 2026-08-18 | 10 | 202 KB | 0 | 0 | $0 | — | — | — | 6.6K | Buy day → |
| 2026-08-17 | 10 | 242 KB | 0 | 0 | $0 | — | — | — | 7.9K | Buy day → |
| 2026-08-16 | 10 | 262 KB | 2 | 2 | $0.64 | 100 % | 21.8 ¢ | $1.88 | 8.9K | Buy day → |
| 2026-08-15 | 10 | 95.6 KB | 0 | 0 | $0 | — | — | — | 2.3K | Buy day → |
| 2026-08-14 | 10 | 68.3 KB | 0 | 0 | $0 | — | — | — | 1.2K | 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 —.
| 0.086 |
| 0.089 |
| 0.086 |
| 0.089 |
| 0.088 |
| open |
| 4 |
| $4.69 |
| 100 % |
| buy file → |
The 1 most traded Congress trades contracts on 2026-08-30 — 0 closed Yes (≥ 0.97), 0 closed No (≤ 0.03), 1 still open at the last print: 2 trades, $7.26 USD turnover. The busiest contract was KXCONGRESSTRADES-25-RWIL with $7.26 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXCONGRESSTRADES-25-RWIL | 0.510 | 0.530 | 0.510 | 0.530 | 0.523 | open | 2 | $7.26 | 100 % | buy file → |
The 1 most traded Congress trades contracts on 2026-08-23 — 0 closed Yes (≥ 0.97), 0 closed No (≤ 0.03), 1 still open at the last print: 6 trades, $2.27 USD turnover. The busiest contract was KXCONGRESSTRADES-25-RWYD with $2.27 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXCONGRESSTRADES-25-RWYD | 0.280 | 0.310 | 0.054 | 0.054 | 0.173 | open | 6 | $2.27 | 84 % | buy file → |
The 1 most traded Congress trades contracts on 2026-08-22 — 0 closed Yes (≥ 0.97), 1 closed No (≤ 0.03): 1 trades, $0.13 USD turnover. The busiest contract was KXCONGRESSTRADES-25-DKUS with $0.13 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXCONGRESSTRADES-25-DKUS | 0.021 | 0.021 | 0.021 | 0.021 | 0.021 | No | 1 | $0.13 | 0 % | buy file → |
The 1 most traded Congress trades contracts on 2026-08-21 — 0 closed Yes (≥ 0.97), 0 closed No (≤ 0.03), 1 still open at the last print: 2 trades, $10.64 USD turnover. The busiest contract was KXCONGRESSTRADES-25-RWIL with $10.64 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXCONGRESSTRADES-25-RWIL | 0.520 | 0.530 | 0.520 | 0.530 | 0.528 | open | 2 | $10.64 | 100 % | buy file → |
The 2 most traded Congress trades contracts on 2026-08-16 — 0 closed Yes (≥ 0.97), 0 closed No (≤ 0.03), 2 still open at the last print: 2 trades, $0.64 USD turnover. The busiest contract was KXCONGRESSTRADES-25-SCOL with $0.34 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXCONGRESSTRADES-25-SCOL | 0.016 | 0.170 | 0.016 | 0.170 | 0.170 | open | 1 | $0.34 | 100 % | buy file → |
| KXCONGRESSTRADES-25-RWYD | 0.018 | 0.300 | 0.018 | 0.300 | 0.300 | open | 1 | $0.3 | 100 % | buy file → |
Over the last 30 captured days, the turnover-weighted quoted bid-ask spread was 40.5 ¢ (contracts quote 0..1 = 100 ¢), the mean best-bid/best-ask notional was about $4.6 per side, 98 % 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.
KXCONGRESSTRADES-25-RWIL — $3.05 USD turnover over 2 trades on Kalshi. The 1 most traded contracts of the series did 2 trades and $3.05 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.