Kalshi API

Kalshi API Skill

Purpose: Interface with Kalshi prediction markets for paper and live trading
Status: In Development
Created: March 2, 2026
API Docs: https://trading-api.readme.io/reference/

Overview

Kalshi is a regulated prediction market exchange in the US. This skill provides:

• Market data retrieval
• Paper trading (demo mode)
• Live trading (when approved)
• Portfolio tracking
• Automated strategy execution

Configuration

API Credentials

Store in ~/.nemo/credentials/kalshi.json:

{
  "api_key": "YOUR_API_KEY",
  "api_secret": "YOUR_API_SECRET",
  "mode": "demo"
}

Modes

• demo — Paper trading with fake money (default)
• live — Real money trading (requires explicit approval)

Commands

Get Markets

kalshi markets list --category sports --status open
kalshi markets get --id KC-WS-2024

Get Balance

kalshi balance

Place Order (Demo)

kalshi order create --market KC-WS-2024 --side yes --amount 100 --price 55

Get Positions

kalshi positions list

Strategy Integration

See strategies/ folder for example implementations:

• momentum.py — Momentum-based entry/exit
• mean_reversion.py — RSI + Bollinger Bands
• snipe_maker.py — Late entry, maker exit
• crowd_fade.py — Bet against 80%+ consensus

Safety Rules

1. Default to demo mode — Never use live without explicit approval
2. Max position size — 5% of portfolio ($50 max initially)
3. Daily loss limit — Stop if down >$20 in a day
4. Logging — All trades logged to logs/kalshi-trades.jsonl

NEMO's Note: "Prediction markets are the purest form of trading — no fundamentals, just probabilities. The edge is in the math." 🐟