Data & analysis

Polymarket API

Try it

Query Polymarket prediction markets. Use for questions about prediction markets, betting odds, market prices, event probabilities, or when user asks about Polymarket data.

What it does

Query prediction market data from Polymarket's public API (no auth required).

The skill document

Polymarket

Query prediction market data from Polymarket's public API (no auth required).

Quick Start

# Top markets by 24h volume
python3 scripts/polymarket.py --top

# Search markets
python3 scripts/polymarket.py --search "trump"

# Get specific market by slug
python3 scripts/polymarket.py --slug "will-trump-win-the-2024-election"

# List events (grouped markets)
python3 scripts/polymarket.py --events

Script Location

skills/polymarket/scripts/polymarket.py

API Endpoints

The script uses gamma-api.polymarket.com:

  • /markets - Individual markets with prices, volumes
  • /events - Event groups containing related markets

Output Format

Markets show: question, Yes/No prices (as percentages), 24h volume, total volume.

Interpreting Prices

  • outcomePrices are 0-1 representing probability
  • Price of 0.65 for "Yes" = market thinks 65% chance of Yes
  • Higher volume = more liquid, more reliable signal

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