Tick-by-tick trades and L2 order-book depth for 71 Lowest Temperature series on Kalshi & Polymarket — daily low temperature in NYC, London, Paris, Tokyo, Seoul, Chicago, Miami, LA, Denver, Toronto and 40 more cities. 5,125 series-days covering March 2026 – September 2026; 418.6K trades · $3.0M turnover in the 30 days to 2026-09-02. Sold as day bundles from €1.
Daily low-temperature ladders for 50+ cities on Polymarket and 20 US cities on Kalshi.
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 | Daily Low Temperature — Hong Kong | Polymarket | 28,187 | $263.6K | 25 | Buy days |
| 2 | Low Temperature Phoenix | Kalshi | 35,421 | $166.9K | 23 | Buy days |
| 3 | Lowest temperature in Miami | Kalshi | 24,082 | $156.3K | 23 | Buy days |
| 4 | Daily Low Temperature — Shanghai | Polymarket | 14,058 | $132.2K | 25 | Buy days |
| 5 | Lowest temperature in NYC | Kalshi | 19,781 | $126.2K | 23 | Buy days |
| 6 | Daily Low Temperature — Seoul | Polymarket | 13,884 | $114.5K | 25 | Buy days |
| 7 | Lowest Temperature Chicago | Kalshi | 14,992 | $104.3K | 23 | Buy days |
| 8 | Lowest temperature in Denver | Kalshi | 12,651 | $100.9K | 23 | Buy days |
| 9 | Lowest temperature in Austin | Kalshi | 15,127 | $98.9K | 23 | Buy days |
| 10 | Low Temperature Oklahoma City | Kalshi | 11,940 | $98.5K | 23 | 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) |
|---|---|---|---|---|
| Kalshi | 20 | 20 | 263,327 | $1.8M |
| Polymarket | 51 | 51 | 155,233 | $1.2M |
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.
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 | |
|---|---|---|---|---|---|---|---|
| Lowest temperature in NYC | Kalshi | daily | 185 | March 2026 – September 2026 | 1.63 GB | €1 | Buy days |
| Lowest Temperature Chicago | Kalshi | daily | 185 | March 2026 – September 2026 | 1.45 GB | €1 | Buy days |
| Lowest temperature in Miami | Kalshi | daily | 185 | March 2026 – September 2026 | 1.41 GB | €1 | Buy days |
| Lowest temperature in Denver | Kalshi | daily | 185 | March 2026 – September 2026 | 1.33 GB | €1 | Buy days |
| Lowest temperature in Austin | Kalshi | daily | 185 | March 2026 – September 2026 | 1.32 GB | €1 | Buy days |
| Lowest Temperature in LA | Kalshi | daily | 185 | March 2026 – September 2026 | 1.31 GB | €1 | Buy days |
| Low Temperature Phoenix | Kalshi | daily | 156 | April 2026 – September 2026 | 1.20 GB | €1 | Buy days |
| Lowest temperature in Philadelphia | Kalshi | daily | 185 | March 2026 – September 2026 | 1005 MB | €1 | Buy days |
| Low Temperature Oklahoma City | Kalshi | daily | 156 | April 2026 – September 2026 | 887 MB | €1 | Buy days |
| Lowest temperature Dallas | Kalshi | daily | 156 | April 2026 – September 2026 | 839 MB | €1 | Buy days |
| Low temperature Minnesota | Kalshi | daily | 156 | April 2026 – September 2026 | 771 MB | €1 | Buy days |
| Low Temperature Atlanta | Kalshi | daily | 156 | April 2026 – September 2026 | 729 MB | €1 | Buy days |
| Lowest Temperature San Francisco | Kalshi | daily | 156 | April 2026 – September 2026 | 720 MB | €1 | Buy days |
| Low Temperature Houston | Kalshi | daily | 156 | April 2026 – September 2026 | 716 MB | €1 | Buy days |
| Lowest Temperature DC | Kalshi | daily | 156 | April 2026 – September 2026 | 677 MB | €1 | Buy days |
| Lowest Temperature SATX | Kalshi | daily | 156 | April 2026 – September 2026 | 608 MB | €1 | Buy days |
| Low Temperature Seattle | Kalshi | daily | 156 | April 2026 – September 2026 | 608 MB | €1 | Buy days |
| NOLA Low Temperature | Kalshi | daily | 156 | April 2026 – September 2026 | 596 MB | €1 | Buy days |
| Low Temperature Boston | Kalshi | daily | 156 | April 2026 – September 2026 | 499 MB | €1 | Buy days |
| Las Vegas Daily Low Temperature | Kalshi | daily | 156 | April 2026 – September 2026 | 473 MB | €1 | Buy days |
Polymarket: Amsterdam, Ankara, Atlanta, Austin, Beijing, Buenos Aires, Busan, Cape Town, Chengdu, Chicago, Chongqing, Dallas, Denver, Guangzhou, Helsinki, Hong Kong, Houston, Istanbul, Jeddah, Jinan, Karachi, Kuala Lumpur, London, Los Angeles, Lucknow, Madrid, Manila, Mexico City, Miami, Milan, Moscow, Munich, NYC, Panama City, Paris, Qingdao, San Francisco, São Paulo, Seattle, Seoul, Shanghai, Shenzhen, Singapore, Taipei, Tel Aviv, Tokyo, Toronto, Warsaw, Wellington, Wuhan and Zhengzhou. Kalshi: Atlanta, Austin, Boston, Chicago, Dallas, DC, Denver, Houston, LA, Las Vegas, Miami, Minneapolis, New Orleans, NYC, Oklahoma City, Philadelphia, Phoenix, San Antonio, Seattle and San Francisco.
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 March 2026 – September 2026 — 5,125 series-days across 71 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.