Tick-by-tick trades and L2 order-book depth for 29 UEFA Club Competitions series on Kalshi & Polymarket — UCL, UEL and UECL game lines, spreads, totals, correct scores and goalscorers. 2,509 series-days covering May 2025 – September 2026; 810.8K trades · $42.3M turnover in the 30 days to 2026-09-02. Sold as day bundles from €1.
Champions League, Europa League, Conference League and Women’s Champions League markets.
Every series below is archived at full feed resolution — each contract file carries every trade print (price, size, side) and Level-2 order-book updates in one normalized, zstd-compressed schema. A series-day bundle holds all contracts of the series for one UTC day.
Ranked by USD turnover from our own daily statistics — the series a market maker or bot builder should start with.
| # | Series | Venue | Trades (30d) | Turnover (30d) | Days | |
|---|---|---|---|---|---|---|
| 1 | UEFA Champions League | Polymarket | 173,911 | $13.6M | 30 | Buy days |
| 2 | UEFA Europa Conference League | Polymarket | 167,478 | $10.9M | 30 | Buy days |
| 3 | UEFA Europa League | Polymarket | 123,100 | $8.5M | 30 | Buy days |
| 4 | Conference League Total | Kalshi | 127,862 | $5.1M | 24 | Buy days |
| 5 | Point Total (KXUCLWTOTAL) | Kalshi | 86,206 | $1.3M | 9 | Buy days |
| 6 | UEFA Women's Champions League | Polymarket | 29,397 | $808.9K | 30 | Buy days |
| 7 | 1st Half Total (KXUECL1HTOTAL) | Kalshi | 23,886 | $594.9K | 15 | Buy days |
| 8 | Conference League Spread | Kalshi | 19,825 | $573.7K | 24 | Buy days |
| 9 | Team Total (KXUECLTEAMTOTAL) | Kalshi | 13,608 | $251.1K | 15 | Buy days |
| 10 | Team Total (KXUELTEAMTOTAL) | Kalshi | 9,377 | $188.9K | 15 | Buy days |
Trades and USD turnover summed over every contract of the series, from the recorded tick data; 30 days to 2026-09-02. Series without statistics in the window are omitted.
| Venue | Series | With stats | Trades (30d) | Turnover (30d) |
|---|---|---|---|---|
| Polymarket | 4 | 4 | 493,886 | $33.8M |
| Kalshi | 25 | 10 | 316,922 | $8.5M |
30 days to 2026-09-02, from our own daily statistics per contract.
Largest archive first. Each series page lists its exact coverage, day count and recent days; day bundles are bought in the shop calendar.
| Series | Venue | Interval | Days | Coverage | Size | Price/day | |
|---|---|---|---|---|---|---|---|
| UEFA Conference League Game | Kalshi | event | 71 | February 2026 – August 2026 | 2.06 GB | €1 | Buy days |
| Conference League Total | Kalshi | event | 51 | April 2026 – August 2026 | 1.90 GB | €1 | Buy days |
| UEFA Champions League Game | Kalshi | event | 136 | February 2026 – September 2026 | 1.82 GB | €1 | Buy days |
| Champions League Total Goals | Kalshi | event | 116 | March 2026 – August 2026 | 1.30 GB | €1 | Buy days |
| UEFA Europa League Game | Kalshi | event | 103 | February 2026 – September 2026 | 844 MB | €1 | Buy days |
| Champions League Spread | Kalshi | event | 116 | March 2026 – August 2026 | 736 MB | €1 | Buy days |
| Conference League Spread | Kalshi | event | 51 | April 2026 – August 2026 | 642 MB | €1 | Buy days |
| Europa League Total | Kalshi | event | 101 | March 2026 – August 2026 | 544 MB | €1 | Buy days |
| UEFA Champions League | Kalshi | event | 180 | March 2026 – September 2026 | 475 MB | €1 | Buy days |
| Champions League Women's Game | Kalshi | event | 48 | March 2026 – September 2026 | 357 MB | €1 | Buy days |
| Correct Score (KXUECLSCORE) | Kalshi | event | 24 | July 2026 – August 2026 | 347 MB | €1 | Buy days |
| Point Total (KXUCLWTOTAL) | Kalshi | event | 14 | August 2026 – September 2026 | 298 MB | €1 | Buy days |
| Europa League Spread | Kalshi | event | 101 | March 2026 – August 2026 | 265 MB | €1 | Buy days |
| Champions League First Hal Winner | Kalshi | event | 106 | March 2026 – August 2026 | 252 MB | €1 | Buy days |
| 1st Half Total (KXUECL1HTOTAL) | Kalshi | event | 24 | July 2026 – August 2026 | 250 MB | €1 | Buy days |
| Team Total (KXUECLTEAMTOTAL) | Kalshi | event | 24 | July 2026 – August 2026 | 220 MB | €1 | Buy days |
| Conference League 1H | Kalshi | event | 33 | April 2026 – August 2026 | 215 MB | €1 | Buy days |
| Correct Score (KXUELSCORE) | Kalshi | event | 31 | July 2026 – August 2026 | 203 MB | €1 | Buy days |
| UEFA European Championship | Kalshi | event | 51 | July 2026 – September 2026 | 135 MB | €1 | Buy days |
| Team Total (KXUELTEAMTOTAL) | Kalshi | event | 31 | July 2026 – August 2026 | 94.4 MB | €1 | Buy days |
| Spread (KXUCLWSPREAD) | Kalshi | event | 14 | August 2026 – September 2026 | 53.3 MB | €1 | Buy days |
| First Team to Score (KXUECLFTTS) | Kalshi | event | 17 | July 2026 – August 2026 | 37.8 MB | €1 | Buy days |
| Champions League Final Matchup | Kalshi | event | 64 | March 2026 – May 2026 | 33.0 MB | €1 | Buy days |
| UCL Goalscorer | Kalshi | event | 14 | March 2026 – May 2026 | 12.1 MB | €1 | Buy days |
| Round Qualifiers | Kalshi | event | 6 | August 2026 – September 2026 | 1.11 MB | €1 | Buy days |
Largest archive first. Each series page lists its exact coverage, day count and recent days; day bundles are bought in the shop calendar.
| Series | Venue | Interval | Days | Coverage | Size | Price/day | |
|---|---|---|---|---|---|---|---|
| UEFA Europa Conference League | Polymarket | event | 223 | October 2025 – September 2026 | 30.0 GB | €1 | Buy days |
| UEFA Champions League | Polymarket | event | 298 | May 2025 – September 2026 | 19.6 GB | €1 | Buy days |
| UEFA Europa League | Polymarket | event | 318 | May 2025 – September 2026 | 15.8 GB | €1 | Buy days |
| UEFA Women's Champions League | Polymarket | event | 143 | February 2026 – September 2026 | 3.79 GB | €1 | Buy days |
Yes — Polymarket UEFA Champions League, Europa League, Conference League and Women’s Champions League moneylines, spreads and totals each form a family. Kalshi adds UCL goalscorers, UEL/UECL spreads, totals, team totals, first team to score and correct scores.
One purchase covers every contract of a series for one UTC day — tick-by-tick trades plus Level-2 order-book updates per contract — typically €1 per series-day.
Coverage runs May 2025 – September 2026 — 2,509 series-days across 29 series on Kalshi & Polymarket. Each series page lists its exact span.
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. Both venues record 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.
Typically €1 per series-day bundle — every contract of the series for that UTC day, with invoice on checkout. Pick days in the shop calendar.