TradeHouseComparisons
Every comparisons page we publish for TradeHouse. Each one quotes its sources with the date we read them.
Prediction-market data: TradeHouse, Kalshi API, Massive
| Feature | TradeHouse | Kalshi public API | Massive (Polygon.io) |
|---|---|---|---|
| Prediction markets covered | Polymarket, Kalshi, Limitless and Thales in one format | Kalshi markets only[1] | Products listed: Stocks, Options, Indices, Currencies, Futures[3] |
| Access and price | Free tier; Pro $49/mo; Desk $199/mo | Public market-data endpoints need no API key[1] | Stocks Advanced $199/mo and Financials & Ratios $29/mo, both individual use[3] |
| Historical data | Kalshi trade history as a file: $49 one-time slice | Historical endpoints for markets, trades and candlesticks, in paged API form[2] | Stocks Advanced lists 20+ years of history (stocks, not prediction markets)[3] |
- Kalshi API docs: Quick Start, Market Data, checked 2026-11-09.
- Kalshi API docs: Historical Data, checked 2026-11-09.
- Massive pricing page (polygon.io/pricing redirects here), checked 2026-11-09.
Competitor prices and features change. We check them on the date shown; tell us if one is out of date and we fix it within 2 business days.
Competitor prices and features change. We read each source on the date shown. If one is out of date, email support@eliteaiempire.com and we fix it.