nephyr-backtest
Strategy backtesting with real on-chain Polymarket data.
Community: Submitted by a user or imported; check the owner before granting accessOnlineNo sign-inGlobalFreeRead-only
What it can do
- Run Weather Backtest: Run a weather signal backtest over a historical date range. Uses GFS ensemble forecasts vs Polymarket prices. Returns summary stats: win rate, P&L, Sharpe, monthly breakdown.
- Run Copy Backtest: Run a copy trading backtest by replaying historical on-chain trades from top Polymarket wallets. Strategies: baseline, top3, consensus, category-filtered.
- Get Available Data: Check what historical data is available for a city and date range. Returns counts of cached forecast, observed, and Polymarket price days.
What data it sees
Do you need an account
No: the server works without sign-in
Strategy backtesting with real on-chain Polymarket data. Backtest weather-based prediction market strategies, simulate copy-trading top wallets, and query available historical data. Validate your strategies against real market outcomes before risking capital.
Server tool list (3)
Raw names from tools/list. Only developers need these.
| run_weather_backtest | Run a weather signal backtest over a historical date range. Uses GFS ensemble forecasts vs Polymarket prices. Returns summary stats: win rate, P&L, Sharpe, monthly breakdown. |
| run_copy_backtest | Run a copy trading backtest by replaying historical on-chain trades from top Polymarket wallets. Strategies: baseline, top3, consensus, category-filtered. |
| get_available_data | Check what historical data is available for a city and date range. Returns counts of cached forecast, observed, and Polymarket price days. |