Tick-by-tick trades and order-book depth for every Kalshi “ATP Grand Slam” 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 ATP Grand Slam 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 — 193 trading days, 30.6 MB compressed in total. A day typically holds 13 contract files (up to 14 on the busiest day, 3.95 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-09-12 | 11 | 245 KB | 2 | 113 | $292.08 | 49 % | 2.60 ¢ | $247.42 | 4.5K | Buy day → | |
| 2026-09-11 | 11 | 193 KB | 2 | 28 | $182.58 | 77 % | 2.45 ¢ | $52.99 | 3.1K | Buy day → | |
| 2026-09-10 | 11 | 130 KB | 2 | 63 | $457.25 | 90 % | 2.84 ¢ | $118.39 | 3.0K | Buy day → | |
| 2026-09-09 | 11 | 3.18 MB | 3 | 581 | $4.1K | 72 % | 2.30 ¢ | $52.49 | 127.8K |
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 2 most traded ATP Grand Slam contracts on 2026-09-12 — 0 closed Yes (≥ 0.97), 1 closed No (≤ 0.03), 1 still open at the last print: 113 trades, $292.08 USD turnover. The busiest contract was KXATPGRANDSLAM-26-BSHE with $227.58 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXATPGRANDSLAM-26-BSHE | 0.360 | 0.440 | 0.280 | 0.440 | 0.382 | open | 38 | $227.58 | 58 % | buy file → |
| KXATPGRANDSLAM-26-FTIA | 0.090 | 0.090 | 0.010 | 0.020 | 0.031 | No | 75 | $64.5 | 19 % | 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 ATP Grand Slam contracts on 2026-09-11 — 0 closed Yes (≥ 0.97), 0 closed No (≤ 0.03), 2 still open at the last print: 28 trades, $182.58 USD turnover. The busiest contract was KXATPGRANDSLAM-26-FTIA with $91.72 turnover.
On Kalshi, a ATP Grand Slam contract trades until its event settles, is listed roughly 52 days before it opens, and quotes in 1 ¢ price steps (0..1). Measured on the 2 contracts captured on 2026-09-12.
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.
KXATPGRANDSLAM-26-DMED traded in 14 of the day’s minutes (02:26–22:36 UTC): 48 trades, $160.5 turnover, opening at 0.070, ranging 0.010–0.110 and closing at 0.010.
| Minute (UTC) | Open | High | Low | Close | Trades | Turnover | Spread | Top-1 bid / ask |
|---|---|---|---|---|---|---|---|---|
| 02:26 | 0.070 | 0.110 | 0.070 | 0.110 | 5 | $2.81 | 3.37 ¢ | $0.98 / $3.16 |
| 02:27 | 0.110 | 0.080 | 0.080 | 0.080 | 2 | $0.96 | 5.20 ¢ | $2.18 / $20.69 |
| 13:31 | 0.080 | 0.100 | 0.090 |
Tick-by-tick trades and Level-2 order-book depth for every contract of the ATP Grand Slam series on Kalshi (11 contract files on the latest day). One bundle = one UTC day of the whole series.
KXATPGRANDSLAM — 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 KXATPGRANDSLAM-* 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 4 ATP Grand Slam contracts had at least one trade per UTC day over the last 30 captured days on Kalshi, with about 13.6K order-book level updates recorded per day. A day bundle contains every contract file of the series for that day.
| Buy day → |
| 2026-09-08 | 11 | 225 KB | 6 | 75 | $382.76 | 85 % | 1.15 ¢ | $95.86 | 6.2K | Buy day → |
| 2026-09-07 | 11 | 89.5 KB | 3 | 30 | $124.83 | 40 % | 1.06 ¢ | $104 | 1.6K | Buy day → |
| 2026-09-06 | 11 | 129 KB | 4 | 99 | $276.72 | 29 % | 2.13 ¢ | $42.13 | 2.9K | Buy day → |
| 2026-09-05 | 11 | 3.95 MB | 5 | 153 | $206.49 | 20 % | 2.37 ¢ | $15.67 | 166.8K | Buy day → |
| 2026-09-04 | 11 | 59.4 KB | 3 | 8 | $60.39 | 49 % | 4.02 ¢ | $28.38 | 1.1K | Buy day → |
| 2026-09-03 | 11 | 202 KB | 4 | 23 | $83.22 | 90 % | 3.97 ¢ | $58.66 | 5.8K | Buy day → |
| 2026-09-02 | 11 | 134 KB | 5 | 23 | $30.73 | 48 % | 2.51 ¢ | $22.63 | 3.4K | Buy day → |
| 2026-09-01 | 11 | 622 KB | 5 | 200 | $408.14 | 21 % | 2.31 ¢ | $14.91 | 18.5K | Buy day → |
| 2026-08-31 | 12 | 202 KB | 4 | 83 | $375.7 | 37 % | 1.56 ¢ | $14.84 | 6.0K | Buy day → |
| 2026-08-30 | 12 | 77.3 KB | 5 | 25 | $116.53 | 61 % | 2.20 ¢ | $30.02 | 1.3K | Buy day → |
| 2026-08-29 | 12 | 60.1 KB | 5 | 16 | $48.3 | 71 % | 1.98 ¢ | $49.95 | 955 | Buy day → |
| 2026-08-28 | 12 | 84.6 KB | 5 | 14 | $120.39 | 97 % | 2.16 ¢ | $87.45 | 1.1K | Buy day → |
| 2026-08-27 | 12 | 114 KB | 2 | 3 | $12.85 | 100 % | 1.42 ¢ | $77.52 | 1.1K | Buy day → |
| 2026-08-26 | 12 | 67.6 KB | 1 | 2 | $18.83 | 100 % | 1.38 ¢ | $45.24 | 861 | Buy day → |
| 2026-08-25 | 12 | 58.7 KB | 3 | 17 | $201.98 | 20 % | 1.37 ¢ | $198.62 | 842 | Buy day → |
| 2026-08-24 | 12 | 101 KB | 6 | 17 | $64.07 | 34 % | 1.11 ¢ | $127.72 | 2.3K | Buy day → |
| 2026-08-23 | 12 | 99.1 KB | 6 | 11 | $37.13 | 23 % | 2.95 ¢ | $31.41 | 2.2K | Buy day → |
| 2026-08-22 | 12 | 218 KB | 4 | 44 | $106.96 | 78 % | 2.27 ¢ | $31.87 | 6.5K | Buy day → |
| 2026-08-21 | 12 | 281 KB | 6 | 37 | $205.82 | 80 % | 1.94 ¢ | $22.74 | 8.3K | Buy day → |
| 2026-08-20 | 12 | 135 KB | 6 | 35 | $229.34 | 81 % | 3.19 ¢ | $30.13 | 3.3K | Buy day → |
| 2026-08-19 | 12 | 152 KB | 4 | 6 | $20.38 | 100 % | 2.32 ¢ | $34.75 | 3.4K | Buy day → |
| 2026-08-18 | 12 | 93.5 KB | 5 | 13 | $44.85 | 97 % | 2.72 ¢ | $24.97 | 2.0K | Buy day → |
| 2026-08-17 | 12 | 202 KB | 4 | 5 | $12.67 | 37 % | 3.43 ¢ | $42.46 | 6.0K | Buy day → |
| 2026-08-16 | 12 | 325 KB | 4 | 15 | $122.21 | 26 % | 1.86 ¢ | $20.4 | 10.7K | Buy day → |
| 2026-08-15 | 12 | 64.5 KB | 2 | 2 | $21 | 24 % | 3.47 ¢ | $27 | 1.0K | Buy day → |
| 2026-08-14 | 12 | 213 KB | 2 | 19 | $128.5 | 90 % | 2.01 ¢ | $16.66 | 5.4K | 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 —.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXATPGRANDSLAM-26-FTIA | 0.080 | 0.130 | 0.080 | 0.110 | 0.106 | open | 16 | $91.72 | 87 % | buy file → |
| KXATPGRANDSLAM-26-BSHE | 0.400 | 0.400 | 0.340 | 0.350 | 0.358 | open | 12 | $90.86 | 66 % | buy file → |
The 2 most traded ATP Grand Slam contracts on 2026-09-10 — 0 closed Yes (≥ 0.97), 0 closed No (≤ 0.03), 2 still open at the last print: 63 trades, $457.25 USD turnover. The busiest contract was KXATPGRANDSLAM-26-BSHE with $330.92 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXATPGRANDSLAM-26-BSHE | 0.350 | 0.410 | 0.340 | 0.400 | 0.385 | open | 46 | $330.92 | 92 % | buy file → |
| KXATPGRANDSLAM-26-FTIA | 0.110 | 0.130 | 0.080 | 0.080 | 0.111 | open | 17 | $126.33 | 84 % | buy file → |
The 3 most traded ATP Grand Slam contracts on 2026-09-09 — 0 closed Yes (≥ 0.97), 0 closed No (≤ 0.03), 3 still open at the last print: 581 trades, $4.1K USD turnover. The busiest contract was KXATPGRANDSLAM-26-BSHE with $3.2K turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXATPGRANDSLAM-26-BSHE | 0.100 | 0.400 | 0.060 | 0.350 | 0.200 | open | 491 | $3.2K | 68 % | buy file → |
| KXATPGRANDSLAM-26-FTIA | 0.080 | 0.120 | 0.050 | 0.110 | 0.092 | open | 83 | $839.22 | 83 % | buy file → |
| KXATPGRANDSLAM-26-KKHA | 0.020 | 0.100 | 0.020 | 0.070 | 0.041 | open | 7 | $37.8 | 100 % | buy file → |
The 6 most traded ATP Grand Slam contracts on 2026-09-08 — 0 closed Yes (≥ 0.97), 4 closed No (≤ 0.03), 2 still open at the last print: 75 trades, $382.76 USD turnover. The busiest contract was KXATPGRANDSLAM-26-FTIA with $327.97 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXATPGRANDSLAM-26-FTIA | 0.050 | 0.080 | 0.010 | 0.080 | 0.039 | open | 54 | $327.97 | 85 % | buy file → |
| KXATPGRANDSLAM-26-BSHE | 0.100 | 0.100 | 0.070 | 0.100 | 0.089 | open | 17 | $38.52 | 79 % | buy file → |
| KXATPGRANDSLAM-26-FAUG | 0.060 | 0.060 | 0.010 | 0.010 | 0.010 | No | 1 | $9.36 | 100 % | buy file → |
| KXATPGRANDSLAM-26-KKHA | 0.020 | 0.020 | 0.020 | 0.020 | 0.020 | No | 1 | $4.88 | 100 % | buy file → |
| KXATPGRANDSLAM-26-ABUB | 0.010 | 0.010 | 0.010 | 0.010 | 0.010 | No | 1 | $1.02 | 100 % | buy file → |
| KXATPGRANDSLAM-26-AMIN | 0.010 | 0.010 | 0.010 | 0.010 | 0.010 | No | 1 | $1.01 | 100 % | buy file → |
The 3 most traded ATP Grand Slam contracts on 2026-09-07 — 0 closed Yes (≥ 0.97), 1 closed No (≤ 0.03), 2 still open at the last print: 30 trades, $124.83 USD turnover. The busiest contract was KXATPGRANDSLAM-26-FTIA with $75.03 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXATPGRANDSLAM-26-FTIA | 0.060 | 0.070 | 0.030 | 0.050 | 0.035 | open | 13 | $75.03 | 18 % | buy file → |
| KXATPGRANDSLAM-26-BSHE | 0.080 | 0.100 | 0.080 | 0.100 | 0.088 | open | 16 | $45.12 | 70 % | buy file → |
| KXATPGRANDSLAM-26-TFRI | 0.010 | 0.010 | 0.010 | 0.010 | 0.010 | No | 1 | $4.68 | 100 % | buy file → |
The 4 most traded ATP Grand Slam contracts on 2026-09-06 — 0 closed Yes (≥ 0.97), 2 closed No (≤ 0.03), 2 still open at the last print: 99 trades, $276.72 USD turnover. The busiest contract was KXATPGRANDSLAM-26-DMED with $160.5 turnover.
| Contract | Open | High | Low | Close | VWAP | Implied outcome | Trades | Turnover | Buy share | |
|---|---|---|---|---|---|---|---|---|---|---|
| KXATPGRANDSLAM-26-DMED | 0.070 | 0.110 | 0.010 | 0.010 | 0.049 | No | 48 | $160.5 | 18 % | buy file → |
| KXATPGRANDSLAM-26-BSHE | 0.100 | 0.100 | 0.070 | 0.080 | 0.091 | open | 38 | $84.42 | 27 % | buy file → |
| KXATPGRANDSLAM-26-FTIA | 0.030 | 0.060 | 0.030 | 0.060 | 0.053 | open | 11 | $29.19 | 100 % | buy file → |
| KXATPGRANDSLAM-26-KKHA | 0.010 | 0.020 | 0.010 | 0.020 | 0.010 | No | 2 | $2.61 | 1 % | buy file → |
| 0.100 |
| 3 |
| $25.78 |
| 1.21 ¢ |
| $20.18 / $289.27 |
| 15:54 | 0.100 | 0.090 | 0.090 | 0.090 | 1 | $22.5 | 1.66 ¢ | $21.43 / $334.71 |
| 20:16 | 0.090 | 0.080 | 0.080 | 0.080 | 2 | $21.04 | 2.60 ¢ | $15.15 / $76.28 |
| 20:19 | 0.080 | 0.070 | 0.060 | 0.060 | 3 | $4 | 2.00 ¢ | $17.7 / $22.19 |
| 20:20 | 0.060 | 0.060 | 0.050 | 0.050 | 13 | $12.17 | 2.70 ¢ | $7.08 / $20.58 |
| 20:53 | 0.050 | 0.060 | 0.060 | 0.060 | 1 | $14.88 | 3.64 ¢ | $5.19 / $185.62 |
| 20:55 | 0.060 | 0.050 | 0.050 | 0.050 | 2 | $1.5 | 2.89 ¢ | $6.09 / $32.6 |
| 20:57 | 0.050 | 0.050 | 0.050 | 0.050 | 1 | $12.35 | 1.15 ¢ | $11.81 / $14.14 |
| 21:14 | 0.050 | 0.040 | 0.040 | 0.040 | 4 | $5.2 | 1.00 ¢ | $11 / $13.08 |
| 21:35 | 0.040 | 0.040 | 0.040 | 0.040 | 1 | $9.88 | 1.06 ¢ | $9.6 / $12.55 |
| 21:36 | 0.040 | 0.030 | 0.030 | 0.030 | 6 | $5.37 | 2.11 ¢ | $7.58 / $0.99 |
| 22:36 | 0.030 | 0.030 | 0.010 | 0.010 | 4 | $22.06 | 1.55 ¢ | $7.38 / $12.73 |
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 2.24 ¢ (contracts quote 0..1 = 100 ¢), the mean best-bid/best-ask notional was about $61.87 per side, 64 % 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.
KXATPGRANDSLAM-26-BSHE — $227.58 USD turnover over 38 trades on Kalshi. The 2 most traded contracts of the series did 113 trades and $292.08 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.