Tick-by-tick trades and order-book depth for every Kalshi “MLB Steals Leader” 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 MLB Steals Leader contract that traded on Kalshi on that UTC day — 50 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, 94.4 MB compressed in total. A day typically holds 50 contract files (up to 50 on the busiest day, 3.88 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 | 50 | 1.24 MB | 6 | 64 | $652.26 | 83 % | 2.43 ¢ | $72.92 | 42.6K | Buy day → | |
| 2026-09-08 | 50 | 848 KB | 5 | 34 | $44.24 | 90 % | 4.61 ¢ | $15.72 | 27.2K | Buy day → | |
| 2026-09-07 | 50 | 2.58 MB | 3 | 33 | $129.33 | 22 % | 4.35 ¢ | $40.59 | 98.8K | Buy day → | |
| 2026-09-06 | 50 | 1.13 MB | 3 | 9 | $37.14 | 0 % | 4.18 ¢ | $27.18 | 39.2K |
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 MLB Steals Leader contracts on 2026-09-09 — 0 closed Yes (≥ 0.97), 1 closed No (≤ 0.03), 5 still open at the last print: 64 trades, $652.26 USD turnover. The busiest contract was KXLEADERMLBSTEALS-26-NNUN with $574.64 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXLEADERMLBSTEALS-26-NNUN | 0.730 | 0.820 | 0.710 | 0.790 | 0.785 | open | 28 | $574.64 | 83 % | buy file → |
| KXLEADERMLBSTEALS-26-CSIM | 0.050 | 0.140 | 0.050 | 0.140 | 0.071 | open | 10 | $28.4 | 100 % | buy file → |
| KXLEADERMLBSTEALS-26-JCHI | 0.070 | 0.110 | 0.060 | 0.060 | 0.085 | open | 9 | $27.13 | 68 % | buy file → |
| KXLEADERMLBSTEALS-26-BWIT |
On Kalshi, a MLB Steals Leader contract trades until its event settles, is listed roughly 4.3 days 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.
KXLEADERMLBSTEALS-26-NNUN traded in 17 of the day’s minutes (06:25–22:41 UTC): 27 trades, $407.63 turnover, opening at 0.740, ranging 0.670–0.750 and closing at 0.670.
| Minute (UTC) | Open | High | Low | Close | Trades | Turnover | Spread | Top-1 bid / ask |
|---|---|---|---|---|---|---|---|---|
| 06:25 | 0.740 | 0.750 | 0.750 | 0.750 | 1 | $0.81 | 1.92 ¢ | $3.43 / $216.18 |
| 06:26 | 0.750 | 0.750 | 0.750 | 0.750 | 2 | $76.26 | 1.03 ¢ | $0.17 / $185.54 |
| 06:52 | 0.750 |
Tick-by-tick trades and Level-2 order-book depth for every contract of the MLB Steals Leader series on Kalshi (50 contract files on the latest day). One bundle = one UTC day of the whole series.
KXLEADERMLBSTEALS — 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 KXLEADERMLBSTEALS-* 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 3 MLB Steals Leader contracts had at least one trade per UTC day over the last 30 captured days on Kalshi, with about 37.7K 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 | 50 | 1.31 MB | 4 | 43 | $2.1K | 99 % | 5.42 ¢ | $29.08 | 47.4K | Buy day → |
| 2026-09-04 | 50 | 482 KB | 2 | 5 | $2.88 | 52 % | 2.70 ¢ | $7.64 | 14.0K | Buy day → |
| 2026-09-03 | 50 | 674 KB | 4 | 44 | $232.88 | 48 % | 2.72 ¢ | $19.7 | 19.4K | Buy day → |
| 2026-09-02 | 50 | 2.40 MB | 3 | 22 | $112.43 | 79 % | 4.20 ¢ | $26.35 | 91.1K | Buy day → |
| 2026-09-01 | 50 | 1.11 MB | 3 | 41 | $167.34 | 45 % | 2.54 ¢ | $23.46 | 37.0K | Buy day → |
| 2026-08-31 | 50 | 3.88 MB | 4 | 58 | $237.35 | 46 % | 3.06 ¢ | $11.34 | 150.1K | Buy day → |
| 2026-08-30 | 50 | 2.03 MB | 5 | 66 | $643.02 | 74 % | 2.79 ¢ | $58.85 | 75.2K | Buy day → |
| 2026-08-29 | 50 | 539 KB | 3 | 20 | $327.63 | 11 % | 2.10 ¢ | $121.42 | 14.7K | Buy day → |
| 2026-08-28 | 50 | 1.44 MB | 5 | 27 | $189.14 | 92 % | 2.94 ¢ | $37.86 | 40.1K | Buy day → |
| 2026-08-27 | 50 | 760 KB | 4 | 12 | $256.98 | 94 % | 3.96 ¢ | $34.11 | 14.2K | Buy day → |
| 2026-08-26 | 50 | 339 KB | 4 | 22 | $554.67 | 96 % | 4.87 ¢ | $72.16 | 6.2K | Buy day → |
| 2026-08-25 | 50 | 507 KB | 1 | 1 | $8.25 | 100 % | 3.69 ¢ | $90.95 | 13.5K | Buy day → |
| 2026-08-24 | 50 | 660 KB | 2 | 18 | $112.6 | 100 % | 3.83 ¢ | $12.31 | 19.5K | Buy day → |
| 2026-08-23 | 50 | 485 KB | 3 | 21 | $406.99 | 6 % | 4.06 ¢ | $16.77 | 12.5K | Buy day → |
| 2026-08-22 | 50 | 349 KB | 2 | 12 | $107.7 | 94 % | 3.94 ¢ | $20.17 | 8.2K | Buy day → |
| 2026-08-21 | 50 | 412 KB | 4 | 23 | $271.19 | 35 % | 4.69 ¢ | $33.64 | 9.0K | Buy day → |
| 2026-08-20 | 50 | 488 KB | 1 | 2 | $3.55 | 3 % | 4.02 ¢ | $18.52 | 11.9K | Buy day → |
| 2026-08-19 | 50 | 2.13 MB | 2 | 16 | $73.37 | 91 % | 3.23 ¢ | $31.22 | 72.4K | Buy day → |
| 2026-08-18 | 50 | 1.79 MB | 4 | 39 | $702.4 | 92 % | 6.50 ¢ | $95.22 | 66.2K | Buy day → |
| 2026-08-17 | 50 | 855 KB | 2 | 33 | $161.91 | 67 % | 5.13 ¢ | $17.87 | 26.2K | Buy day → |
| 2026-08-16 | 50 | 563 KB | 3 | 19 | $1.5K | 9 % | 4.26 ¢ | $373.73 | 14.8K | Buy day → |
| 2026-08-15 | 50 | 936 KB | 2 | 22 | $672.78 | 39 % | 3.64 ¢ | $297.75 | 30.9K | Buy day → |
| 2026-08-14 | 50 | 780 KB | 5 | 18 | $74.12 | 89 % | 4.44 ¢ | $9.13 | 21.7K | Buy day → |
| 2026-08-13 | 50 | 1.01 MB | 2 | 6 | $41.41 | 36 % | 4.97 ¢ | $12.85 | 31.2K | Buy day → |
| 2026-08-12 | 50 | 1.61 MB | 3 | 15 | $52.39 | 29 % | 5.08 ¢ | $29.76 | 53.4K | Buy day → |
| 2026-08-11 | 50 | 789 KB | 4 | 54 | $653.8 | 95 % | 3.60 ¢ | $25.23 | 23.8K | 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 —.
| 0.050 |
| 0.080 |
| 0.040 |
| 0.080 |
| 0.066 |
| open |
| 5 |
| $19.29 |
| 73 % |
| buy file → |
| KXLEADERMLBSTEALS-26-PCRO | 0.060 | 0.090 | 0.010 | 0.050 | 0.076 | open | 9 | $2.68 | 100 % | buy file → |
| KXLEADERMLBSTEALS-26-JCAB | 0.030 | 0.040 | 0.010 | 0.030 | 0.018 | No | 3 | $0.12 | 67 % | 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 5 most traded MLB Steals Leader contracts on 2026-09-08 — 0 closed Yes (≥ 0.97), 1 closed No (≤ 0.03), 4 still open at the last print: 34 trades, $44.24 USD turnover. The busiest contract was KXLEADERMLBSTEALS-26-PCRO with $28.23 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXLEADERMLBSTEALS-26-PCRO | 0.030 | 0.100 | 0.030 | 0.060 | 0.069 | open | 8 | $28.23 | 100 % | buy file → |
| KXLEADERMLBSTEALS-26-NNUN | 0.730 | 0.730 | 0.730 | 0.730 | 0.730 | open | 3 | $6.06 | 100 % | buy file → |
| KXLEADERMLBSTEALS-26-JCHI | 0.060 | 0.090 | 0.050 | 0.070 | 0.069 | open | 6 | $5.31 | 75 % | buy file → |
| KXLEADERMLBSTEALS-26-CSIM | 0.050 | 0.050 | 0.050 | 0.050 | 0.050 | open | 1 | $3.04 | 0 % | buy file → |
| KXLEADERMLBSTEALS-26-JCAB | 0.050 | 0.050 | 0.030 | 0.030 | 0.038 | No | 16 | $1.6 | 100 % | buy file → |
The 3 most traded MLB Steals Leader contracts on 2026-09-07 — 0 closed Yes (≥ 0.97), 0 closed No (≤ 0.03), 3 still open at the last print: 33 trades, $129.33 USD turnover. The busiest contract was KXLEADERMLBSTEALS-26-NNUN with $95.78 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXLEADERMLBSTEALS-26-NNUN | 0.690 | 0.800 | 0.690 | 0.730 | 0.739 | open | 15 | $95.78 | 20 % | buy file → |
| KXLEADERMLBSTEALS-26-JCHI | 0.130 | 0.130 | 0.060 | 0.060 | 0.092 | open | 17 | $32.3 | 28 % | buy file → |
| KXLEADERMLBSTEALS-26-BWIT | 0.060 | 0.060 | 0.050 | 0.050 | 0.050 | open | 1 | $1.25 | 0 % | buy file → |
The 3 most traded MLB Steals Leader contracts on 2026-09-06 — 0 closed Yes (≥ 0.97), 0 closed No (≤ 0.03), 3 still open at the last print: 9 trades, $37.14 USD turnover. The busiest contract was KXLEADERMLBSTEALS-26-NNUN with $17.16 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXLEADERMLBSTEALS-26-NNUN | 0.750 | 0.750 | 0.690 | 0.690 | 0.696 | open | 3 | $17.16 | 0 % | buy file → |
| KXLEADERMLBSTEALS-26-JCHI | 0.140 | 0.140 | 0.120 | 0.130 | 0.121 | open | 3 | $16.78 | 0 % | buy file → |
| KXLEADERMLBSTEALS-26-CSIM | 0.060 | 0.060 | 0.050 | 0.050 | 0.051 | open | 3 | $3.2 | 0 % | buy file → |
The 4 most traded MLB Steals Leader contracts on 2026-09-05 — 0 closed Yes (≥ 0.97), 0 closed No (≤ 0.03), 4 still open at the last print: 43 trades, $2.1K USD turnover. The busiest contract was KXLEADERMLBSTEALS-26-NNUN with $2.1K turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXLEADERMLBSTEALS-26-NNUN | 0.670 | 0.950 | 0.670 | 0.750 | 0.850 | open | 32 | $2.1K | 100 % | buy file → |
| KXLEADERMLBSTEALS-26-JCHI | 0.170 | 0.170 | 0.140 | 0.140 | 0.140 | open | 1 | $11.62 | 0 % | buy file → |
| KXLEADERMLBSTEALS-26-BWIT | 0.090 | 0.090 | 0.060 | 0.060 | 0.060 | open | 2 | $2.24 | 0 % | buy file → |
| KXLEADERMLBSTEALS-26-CSIM | 0.100 | 0.100 | 0.060 | 0.060 | 0.062 | open | 8 | $1.37 | 0 % | buy file → |
The 2 most traded MLB Steals Leader contracts on 2026-09-04 — 0 closed Yes (≥ 0.97), 0 closed No (≤ 0.03), 2 still open at the last print: 5 trades, $2.88 USD turnover. The busiest contract was KXLEADERMLBSTEALS-26-BWIT with $1.94 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXLEADERMLBSTEALS-26-BWIT | 0.100 | 0.110 | 0.090 | 0.090 | 0.095 | open | 4 | $1.94 | 29 % | buy file → |
| KXLEADERMLBSTEALS-26-CSIM | 0.070 | 0.100 | 0.070 | 0.100 | 0.100 | open | 1 | $0.94 | 100 % | buy file → |
The 4 most traded MLB Steals Leader contracts on 2026-09-03 — 0 closed Yes (≥ 0.97), 0 closed No (≤ 0.03), 4 still open at the last print: 44 trades, $232.88 USD turnover. The busiest contract was KXLEADERMLBSTEALS-26-BWIT with $131.94 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXLEADERMLBSTEALS-26-BWIT | 0.080 | 0.160 | 0.080 | 0.100 | 0.104 | open | 19 | $131.94 | 63 % | buy file → |
| KXLEADERMLBSTEALS-26-NNUN | 0.640 | 0.670 | 0.620 | 0.670 | 0.634 | open | 12 | $84.35 | 26 % | buy file → |
| KXLEADERMLBSTEALS-26-JCHI | 0.190 | 0.190 | 0.170 | 0.170 | 0.176 | open | 12 | $16.24 | 43 % | buy file → |
| KXLEADERMLBSTEALS-26-CSIM | 0.090 | 0.090 | 0.070 | 0.070 | 0.070 | open | 1 | $0.35 | 0 % | buy file → |
| 0.750 |
| 0.750 |
| 0.750 |
| 1 |
| $1.5 |
| 1.00 ¢ |
| $0.02 / $183.97 |
| 07:14 | 0.750 | 0.750 | 0.750 | 0.750 | 1 | $18.75 | 1.00 ¢ | $0.02 / $182.48 |
| 07:37 | 0.750 | 0.750 | 0.750 | 0.750 | 1 | $0.75 | 1.00 ¢ | $0.03 / $164.46 |
| 08:00 | 0.750 | 0.750 | 0.750 | 0.750 | 1 | $15 | 1.00 ¢ | $0.03 / $154.7 |
| 15:55 | 0.750 | 0.750 | 0.750 | 0.750 | 1 | $8.25 | 2.00 ¢ | $11.11 / $149.27 |
| 17:46 | 0.750 | 0.740 | 0.740 | 0.740 | 1 | $0.06 | 1.00 ¢ | $21.92 / $174.27 |
| 18:28 | 0.740 | 0.740 | 0.740 | 0.740 | 1 | $22.2 | 1.00 ¢ | $55.23 / $258.41 |
| 19:19 | 0.740 | 0.730 | 0.730 | 0.730 | 3 | $8.06 | 1.78 ¢ | $58.69 / $255.49 |
| 20:08 | 0.730 | 0.700 | 0.700 | 0.700 | 4 | $101.8 | 3.84 ¢ | $99.54 / $215.26 |
| 20:21 | 0.700 | 0.700 | 0.700 | 0.700 | 1 | $105 | 1.64 ¢ | $68.58 / $180.67 |
| 20:31 | 0.700 | 0.690 | 0.690 | 0.690 | 1 | $12.34 | 2.35 ¢ | $10.38 / $155 |
| 22:12 | 0.690 | 0.670 | 0.670 | 0.670 | 1 | $7.37 | 4.00 ¢ | $13.26 / $216.55 |
| 22:38 | 0.670 | 0.670 | 0.670 | 0.670 | 4 | $17.42 | 3.83 ¢ | $14.57 / $182.58 |
| 22:40 | 0.670 | 0.670 | 0.670 | 0.670 | 2 | $8.71 | 3.00 ¢ | $6.71 / $18.7 |
| 22:41 | 0.670 | 0.670 | 0.670 | 0.670 | 1 | $3.35 | 3.00 ¢ | $2.57 / $20 |
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 4.22 ¢ (contracts quote 0..1 = 100 ¢), the mean best-bid/best-ask notional was about $107.66 per side, 65 % 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.
KXLEADERMLBSTEALS-26-NNUN — $574.64 USD turnover over 28 trades on Kalshi. The 6 most traded contracts of the series did 64 trades and $652.26 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.