Kalshi Arbitrage Bot A Python trading system that scans Kalshi prediction markets for two types of arbitrage: probability arbitrage (YES + NO prices deviating from 100%) and spread trading (bid above ask on the same contract). It includes fee-aware profit calculations, an interactive CLI, and optional automated execution. Repository: github.com/polystrategist/kalshi-arbitrage-bot --- Features | Capability | Description | |------------|-------------| | Probability arbitrage | Detects markets where YES and NO contract prices do not sum to 100% | | Spread trading | Finds orderbook spreads where bid exceeds ask for instant profit | | Fee modeling | Tiered Kalshi fee schedule with maker/taker discounts | | Interactive CLI | Arrow-key menu (with numeric fallback) — no CLI flags required | | Continuous monitoring | Scheduled scans with configurable intervals and limits | | Risk controls | Liquidity filters, position sizing, and profit thresholds | --- Project Structure --- Requirements - Python 3.8 or later - Kalshi API credentials (API Key ID and Private Key) - Network access to the Kalshi

⚠ No verified equity curve — no track-record source connected.

No score history is stored yet — only the current score is shown.

⚠ No live verification account connected — ask for proof before buying.

Alerts on changes: coming soon

Prop-firm compatibility not provided.

Data-completeness & trust index (not a profitability rating)