Tick-by-tick trades and order-book depth for every Kalshi “Pro Baseball Playoff Matchups” contract — 24 trading days as downloadable day bundles, €1 per day.
Trades and USD turnover summed over every contract of the series across 24 captured days to 2026-09-10, 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 Pro Baseball Playoff Matchups contract that traded on Kalshi on that UTC day — 90 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 August 2026 – September 2026 — 24 trading days, 344 MB compressed in total. A day typically holds 90 contract files (up to 90 on the busiest day, 26.7 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 Pro Baseball Playoff Matchups contracts on 2026-09-09 — 0 closed Yes (≥ 0.97), 0 closed No (≤ 0.03), 1 still open at the last print: 2 trades, $96.68 USD turnover. The busiest contract was KXMLBMATCHUP-TB1ST26-BOS with $96.68 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXMLBMATCHUP-TB1ST26-BOS | 0.420 | 0.590 | 0.420 | 0.590 | 0.500 | open | 2 | $96.68 | 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 3 most traded Pro Baseball Playoff Matchups contracts on 2026-09-08 — 0 closed Yes (≥ 0.97), 0 closed No (≤ 0.03), 3 still open at the last print: 3 trades, $349.45 USD turnover. The busiest contract was KXMLBMATCHUP-MIL1ST26-ATL with $340 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXMLBMATCHUP-MIL1ST26-ATL |
On Kalshi, a Pro Baseball Playoff Matchups contract trades until its event settles, is listed roughly 25 min before it opens, and quotes in 1 ¢ price steps (0..1). Measured on the 1 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.
KXMLBMATCHUP-LAD1ST26-ATL traded in 1 of the day’s minutes (00:06–00:06 UTC): 1 trades, $22.63 turnover, opening at 0.310, ranging 0.310–0.310 and closing at 0.310.
| Minute (UTC) | Open | High | Low | Close | Trades | Turnover | Spread | Top-1 bid / ask |
|---|---|---|---|---|---|---|---|---|
| 00:06 | 0.310 | 0.310 | 0.310 | 0.310 | 1 | $22.63 | 20.0 ¢ | $227.6 / $619.78 |
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.
Tick-by-tick trades and Level-2 order-book depth for every contract of the Pro Baseball Playoff Matchups series on Kalshi (90 contract files on the latest day). One bundle = one UTC day of the whole series.
KXMLBMATCHUP — 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 KXMLBMATCHUP-* contract that traded that UTC day.
Coverage runs August 2026 – September 2026 — 24 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.
| Buy day → |
| 2026-09-06 | 90 | 24.2 MB | 4 | 5 | $432.35 | 1 % | 16.3 ¢ | $652.19 | 929.8K | Buy day → |
| 2026-09-05 | 90 | 16.8 MB | 0 | 0 | $0 | — | — | — | 635.6K | Buy day → |
| 2026-09-04 | 90 | 16.0 MB | 4 | 5 | $49.85 | 100 % | 18.2 ¢ | $382.62 | 610.3K | Buy day → |
| 2026-09-03 | 90 | 18.1 MB | 1 | 2 | $3.67 | 98 % | 21.4 ¢ | $843.23 | 692.9K | Buy day → |
| 2026-09-02 | 90 | 21.5 MB | 0 | 0 | $0 | — | — | — | 825.6K | Buy day → |
| 2026-09-01 | 90 | 12.3 MB | 2 | 3 | $1.89 | 100 % | 19.9 ¢ | $385.55 | 465.1K | Buy day → |
| 2026-08-31 | 90 | 9.54 MB | 2 | 2 | $43.33 | 100 % | 19.4 ¢ | $331.26 | 357.5K | Buy day → |
| 2026-08-30 | 90 | 26.3 MB | 1 | 2 | $4.92 | 100 % | 13.5 ¢ | $141.14 | 1.0M | Buy day → |
| 2026-08-29 | 90 | 26.7 MB | 0 | 0 | $0 | — | — | — | 1.0M | Buy day → |
| 2026-08-28 | 90 | 20.8 MB | 0 | 0 | $0 | — | — | — | 655.4K | Buy day → |
| 2026-08-27 | 90 | 16.5 MB | 1 | 1 | $0.61 | 100 % | 19.0 ¢ | $891.62 | 430.7K | Buy day → |
| 2026-08-26 | 90 | 14.6 MB | 0 | 0 | $0 | — | — | — | 365.1K | Buy day → |
| 2026-08-25 | 90 | 1.50 MB | 0 | 0 | $0 | — | — | — | 48.1K | Buy day → |
| 2026-08-24 | 90 | 245 KB | 0 | 0 | $0 | — | — | — | 6.0K | Buy day → |
| 2026-08-23 | 90 | 4.06 MB | 0 | 0 | $0 | — | — | — | 150.1K | Buy day → |
| 2026-08-22 | 90 | 14.1 MB | 0 | 0 | $0 | — | — | — | 525.3K | Buy day → |
| 2026-08-21 | 90 | 9.95 MB | 1 | 1 | $4.76 | 100 % | 21.4 ¢ | $139.17 | 368.6K | Buy day → |
| 2026-08-20 | 90 | 10.8 MB | 0 | 0 | $0 | — | — | — | 379.9K | Buy day → |
| 2026-08-19 | 90 | 10.2 MB | 0 | 0 | $0 | — | — | — | 354.0K | Buy day → |
| 2026-08-18 | 90 | 82.0 KB | 0 | 0 | $0 | — | — | — | 112 | 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 —.
| 0.170 |
| 0.170 |
| 0.170 |
| 0.170 |
| 0.170 |
| open |
| 1 |
| $340 |
| 0 % |
| buy file → |
| KXMLBMATCHUP-LAD1ST26-MIL | 0.100 | 0.100 | 0.100 | 0.100 | 0.100 | open | 1 | $6.9 | 100 % | buy file → |
| KXMLBMATCHUP-LAD1ST26-AZ | 0.170 | 0.170 | 0.170 | 0.170 | 0.170 | open | 1 | $2.55 | 0 % | buy file → |
The 1 most traded Pro Baseball Playoff Matchups contracts on 2026-09-07 — 0 closed Yes (≥ 0.97), 0 closed No (≤ 0.03), 1 still open at the last print: 1 trades, $4.93 USD turnover. The busiest contract was KXMLBMATCHUP-BOS1ST26-NYY with $4.93 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXMLBMATCHUP-BOS1ST26-NYY | 0.680 | 0.800 | 0.680 | 0.800 | 0.800 | open | 1 | $4.93 | 100 % | buy file → |
The 4 most traded Pro Baseball Playoff Matchups contracts on 2026-09-06 — 0 closed Yes (≥ 0.97), 0 closed No (≤ 0.03), 4 still open at the last print: 5 trades, $432.35 USD turnover. The busiest contract was KXMLBMATCHUP-NYY1ST26-BOS with $318.47 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXMLBMATCHUP-NYY1ST26-BOS | 0.690 | 0.690 | 0.690 | 0.690 | 0.690 | open | 1 | $318.47 | 0 % | buy file → |
| KXMLBMATCHUP-TB1ST26-BOS | 0.420 | 0.420 | 0.420 | 0.420 | 0.420 | open | 1 | $105.52 | 0 % | buy file → |
| KXMLBMATCHUP-BOS1ST26-NYY | 0.690 | 0.690 | 0.680 | 0.680 | 0.680 | open | 1 | $4.76 | 100 % | buy file → |
| KXMLBMATCHUP-BOS1ST26-TB | 0.420 | 0.420 | 0.360 | 0.360 | 0.360 | open | 2 | $3.6 | 0 % | buy file → |
The 4 most traded Pro Baseball Playoff Matchups contracts on 2026-09-04 — 0 closed Yes (≥ 0.97), 0 closed No (≤ 0.03), 4 still open at the last print: 5 trades, $49.85 USD turnover. The busiest contract was KXMLBMATCHUP-LAD1ST26-ATL with $19.19 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXMLBMATCHUP-LAD1ST26-ATL | 0.390 | 0.390 | 0.390 | 0.390 | 0.390 | open | 1 | $19.19 | 100 % | buy file → |
| KXMLBMATCHUP-NYY1ST26-TB | 0.280 | 0.280 | 0.280 | 0.280 | 0.280 | open | 1 | $17.14 | 100 % | buy file → |
| KXMLBMATCHUP-BOS1ST26-TB | 0.420 | 0.420 | 0.420 | 0.420 | 0.420 | open | 1 | $9.61 | 100 % | buy file → |
| KXMLBMATCHUP-BOS1ST26-NYY | 0.530 | 0.690 | 0.530 | 0.690 | 0.681 | open | 2 | $3.91 | 100 % | buy file → |
The 1 most traded Pro Baseball Playoff Matchups contracts on 2026-09-03 — 0 closed Yes (≥ 0.97), 0 closed No (≤ 0.03), 1 still open at the last print: 2 trades, $3.67 USD turnover. The busiest contract was KXMLBMATCHUP-BOS1ST26-NYY with $3.67 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXMLBMATCHUP-BOS1ST26-NYY | 0.720 | 0.720 | 0.530 | 0.530 | 0.715 | open | 2 | $3.67 | 98 % | buy file → |
The 2 most traded Pro Baseball Playoff Matchups contracts on 2026-09-01 — 0 closed Yes (≥ 0.97), 0 closed No (≤ 0.03), 2 still open at the last print: 3 trades, $1.89 USD turnover. The busiest contract was KXMLBMATCHUP-MIL1ST26-CHC with $1.87 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXMLBMATCHUP-MIL1ST26-CHC | 0.330 | 0.330 | 0.320 | 0.320 | 0.330 | open | 2 | $1.87 | 100 % | buy file → |
| KXMLBMATCHUP-MIL1ST26-PHI | 0.370 | 0.370 | 0.370 | 0.370 | 0.370 | open | 1 | $0.02 | 100 % | buy file → |
On average 1 Pro Baseball Playoff Matchups contracts had at least one trade per UTC day over the last 24 captured days on Kalshi, with about 519.1K order-book level updates recorded per day. A day bundle contains every contract file of the series for that day.
Over the last 24 captured days, the turnover-weighted quoted bid-ask spread was 17.9 ¢ (contracts quote 0..1 = 100 ¢), the mean best-bid/best-ask notional was about $553.16 per side, 13 % 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.
KXMLBMATCHUP-TB1ST26-BOS — $96.68 USD turnover over 2 trades on Kalshi. The 1 most traded contracts of the series did 2 trades and $96.68 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.