# Kalshi KXINXU — S&P 500 above/below Data

> Canonical HTML (full statistics, contract grids, FAQ): https://cryptostruct.com/prediction-markets/kalshi-kxinxu · This document: https://cryptostruct.com/prediction-markets/kalshi-kxinxu.md · Buy: https://cryptostruct.com/shop/bundles?bundle=kalshi-kxinxu

Every Kalshi “S&P 500 above/below” contract of the day — every trade print and the complete Level-2 book, captured co-located with nanosecond venue and receive timestamps. 223 trading days as day bundles, €1 per day, bought as a guest with instant download.

## Facts

- Venue: Kalshi (`kalshi`) · Category: Economics · Interval: 1h · Venue ticker: `KXINXU`
- Bundle id (MCP/HTTP `instrument_id` with `kind: "series_day"`): `9000000090` · Series key: `kalshi-kxinxu`
- Price: **€1.00 per bundle day** (every contract file of the series on that UTC day; tax-inclusive)
- Coverage: 223 days from 2026-03-04 to 2026-10-16 · 19.6 GB compressed in total · typically 1290 files per day (up to 4180)

## How to buy

- Web: https://cryptostruct.com/shop/bundles?bundle=kalshi-kxinxu — pre-filled days: `https://cryptostruct.com/shop/bundles?bundle=kalshi-kxinxu&d=<from>..2026-10-16`
- MCP (https://cryptostruct.com/mcp): `get_bundle_coverage {series_key: "kalshi-kxinxu"}` → `create_checkout` with `{instrument_id: 9000000090, date: "<YYYY-MM-DD>", kind: "series_day"}`
- HTTP: `POST https://cryptostruct.com/api/quote` with the same items → guest checkout (https://cryptostruct.com/docs/api.md)
- Delivery: one ZIP per day (`&kind=series_day&zip=1` on the order download route), one resumable tar for multi-day ranges — contract in https://cryptostruct.com/llms.txt

## Last 30 recorded days

| UTC day | Files | Size (zstd) | Trades | Turnover (USD) | Buy |
| --- | --- | --- | --- | --- | --- |
| 2026-10-16 | 840 | 217 MB | 12,349 | $601,279 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxinxu&d=2026-10-16 |
| 2026-10-15 | 900 | 199 MB | 8,936 | $473,309 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxinxu&d=2026-10-15 |
| 2026-10-14 | 840 | 181 MB | 12,384 | $878,944 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxinxu&d=2026-10-14 |
| 2026-10-13 | 840 | 130 MB | 6,932 | $760,205 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxinxu&d=2026-10-13 |
| 2026-10-12 | 840 | 113 MB | 11,969 | $480,657 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxinxu&d=2026-10-12 |
| 2026-10-11 | 420 | 11 MB | 421 | $5,720 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxinxu&d=2026-10-11 |
| 2026-10-10 | 420 | 6 MB | 27 | $195 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxinxu&d=2026-10-10 |
| 2026-10-09 | 840 | 112 MB | 12,884 | $1,958,399 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxinxu&d=2026-10-09 |
| 2026-10-08 | 840 | 183 MB | 14,211 | $819,081 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxinxu&d=2026-10-08 |
| 2026-10-07 | 840 | 151 MB | 10,550 | $752,467 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxinxu&d=2026-10-07 |
| 2026-10-06 | 896 | 134 MB | 8,481 | $656,258 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxinxu&d=2026-10-06 |
| 2026-10-05 | 860 | 170 MB | 8,231 | $901,302 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxinxu&d=2026-10-05 |
| 2026-10-04 | 420 | 18 MB | 343 | $1,172 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxinxu&d=2026-10-04 |
| 2026-10-03 | 420 | 7 MB | 214 | $703 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxinxu&d=2026-10-03 |
| 2026-10-02 | 860 | 237 MB | 9,051 | $860,581 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxinxu&d=2026-10-02 |
| 2026-10-01 | 860 | 260 MB | 11,739 | $4,883,227 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxinxu&d=2026-10-01 |
| 2026-09-30 | 840 | 227 MB | 9,859 | $2,203,785 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxinxu&d=2026-09-30 |
| 2026-09-29 | 850 | 202 MB | 8,285 | $3,084,629 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxinxu&d=2026-09-29 |
| 2026-09-28 | 850 | 251 MB | 9,524 | $2,287,710 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxinxu&d=2026-09-28 |
| 2026-09-27 | 420 | 16 MB | 443 | $2,640 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxinxu&d=2026-09-27 |
| 2026-09-26 | 420 | 10 MB | 345 | $2,816 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxinxu&d=2026-09-26 |
| 2026-09-25 | 840 | 210 MB | 7,753 | $661,674 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxinxu&d=2026-09-25 |
| 2026-09-24 | 840 | 253 MB | 6,922 | $473,785 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxinxu&d=2026-09-24 |
| 2026-09-23 | 840 | 204 MB | 10,091 | $540,733 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxinxu&d=2026-09-23 |
| 2026-09-22 | 910 | 170 MB | 7,083 | $421,882 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxinxu&d=2026-09-22 |
| 2026-09-21 | 950 | 137 MB | 11,968 | $639,657 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxinxu&d=2026-09-21 |
| 2026-09-20 | 420 | 24 MB | 710 | $3,577 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxinxu&d=2026-09-20 |
| 2026-09-19 | 420 | 18 MB | 322 | $509 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxinxu&d=2026-09-19 |
| 2026-09-18 | 850 | 135 MB | 6,549 | $369,087 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxinxu&d=2026-09-18 |
| 2026-09-17 | 840 | 153 MB | 10,688 | $458,955 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxinxu&d=2026-09-17 |

Trades and turnover are our own counts from the recorded feed; "—" = not yet computed. ⚠ marks a partial day — contract windows or files that were never recorded; such days are sold as-is.

Terms: https://cryptostruct.com/terms.md · Data license: https://cryptostruct.com/license · Prediction-market hub: https://cryptostruct.com/prediction-markets