Nephyr Backtest
Nephyr Backtest by CLM Studios — validate your prediction market strategies against real historical data before risking real money. Backtest weather signal strategies using 6 months of GFS ensemble forecasts vs actual Polymarket settlements. Replay copy-trading strategies with 4 variants (baseline, top 3, consensus, category-filtered) using real wallet activity. Full Kelly criterion sizing and…
Nephyr Backtest endpoints
| Method | Endpoint | Description |
|---|---|---|
| system | ||
| GET |
health_v1_health_get /v1/health |
Health check. |
| backtest | ||
| POST |
run_copy_backtest_v1_backtest_copy_post /v1/backtest/copy |
Run a copy trading backtest. Replays historical on-chain trades from top Polymarket wallets. Strategies: baseline, top3, consensus, category-filtered. Requires authentication via… |
| POST |
run_weather_backtest_v1_backtest_weather_post /v1/backtest/weather |
Run a weather signal backtest. Uses GFS archived ensemble forecasts vs real Polymarket historical prices. Returns monthly P&L, win rate, Sharpe ratio, and bankroll projections.… |
| data | ||
| GET |
check_data_availability_v1_data_available_get /v1/data/available |
Check what historical data is cached for a city and date range. Returns counts of forecast days, observed days, and Polymarket price days. |
Nephyr Backtest pricing
| Plan | Price | Rate limit | Quotas |
|---|---|---|---|
| BASIC | Free | — |
|
| PRO Recommended | $49 / month | 10 / second |
|