Production trading bots for prediction markets.
Polymarket, Kalshi, and more. Source code, one-time purchase, no subscription, no obfuscation.
Featured bots
See all →predtools-arb — Cross-platform arbitrage framework
Scaffold for cross-platform arbitrage between Polymarket and Kalshi. Boilerplate only, CLOB v2 client, lock file, logging, stats, 60s main loop. No trading logic implemented yet, you bring the signal.
bot-monitor — Log watcher and Telegram alerts
LIVETails every poly5m / poly15m log, dedupes events, pushes Telegram alerts. Three modes: live monitor, --report stats summary, --pnl reconciliation against CLOB trade history (with --watch loop).
contrarian — GTC maker bids on underdog outcomes
GTC maker bids on 20-50¢ underdog outcomes across all Polymarket markets. Zero taker fees, 30-min scan loop, multi-layer risk stack. Inspired by @Car's +$22K strategy.
How it works
- 01
Browse the catalog
Each bot has a full writeup: strategy, configuration, sample output, real PnL window.
- 02
Buy with Stripe
One-time payment, USD. Card or any Stripe-supported method.
- 03
Download and run
Get a signed download link by email. Node 22, your Polygon wallet, and you're trading.
From the blog
- 2026-05-20
60 days running poly5m-v4 on BTC — what the numbers actually look like
A first-person post-mortem on two months of live trading with the multi-exchange median scalper. Real ranges, real drawdowns, no cherry-picking.
- 2026-05-23
An honest look at Polymarket as a business — volume, risks, and why we still build here
Volume trends, oracle disputes, regulatory exposure, and Kalshi's growth. A clear-eyed view of why Polymarket is still the right platform to build on.
- 2026-05-24
Launching predtools — production bots for prediction markets
Why I built this catalog, what's in it, and what's next.