Polymarket Endcycle Sniper Bot is a Python bot that automates buying heavily favored outcomes on Polymarket markets nearing resolution, aiming to capture a small positive edge by holding to resolution.

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License

MIT

Last updated

2026-07-21

Why it is worth attention

It is a production-grade bot with comprehensive risk management, dry-run safety, backtesting, and a well-documented CLI, addressing a specific prediction market strategy with professional tooling.

Who it is for

  • Polymarket power traders
  • Quantitative traders exploring prediction markets
  • DeFi enthusiasts interested in automated strategies
  • Developers building prediction market automation tools

Use cases

  • Automatically scan and buy tail-end opportunities on Polymarket
  • Backtest strategy parameters using proxy market data
  • Monitor open positions and simulated trades via CLI
  • Configure risk limits and receive Telegram alerts on trades

Strengths

  • Comprehensive risk management with dry-run default, position sizing, daily loss caps, and cooldowns
  • Professional CLI with commands for scanning, running, backtesting, and health checks
  • Detailed documentation of strategy parameters and configuration via YAML and environment variables
  • Built-in SQLite audit trail and structured logging for full trade history

Considerations

  • Strategy carries asymmetric tail risk where a single loss can wipe many small wins
  • Live trading requires funding a wallet with real funds and exposing a private key
  • Backtesting module uses current market proxy data, not historical order book archives
  • Exclusively designed for Polymarket; not portable to other prediction markets

README quick start

Installation

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