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…

1 subscribers
4 endpoints
The in-depth APIMemo review for this API hasn't been published yet — the data below comes straight from the public marketplace listing.

Nephyr Backtest endpoints

MethodEndpointDescription
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

PlanPriceRate limitQuotas
BASIC Free
  • Requests: 1 / monthly
PRO Recommended $49 / month 10 / second
  • Requests: 10,000 / monthly

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