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trade-prediction-markets.md

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description Trade Polymarket prediction markets with mm predict commands.
keywords
MetaMask
Agent Wallet
predict
Polymarket
mm

Trade prediction markets

Search markets, fund your predict deposit wallet, and place orders on Polymarket through mm predict.

Ask your agent

You (to your agent): "Bet 10 USDT on YES for BTC 5-min price up"

You (to your agent): "Show my open prediction market positions"

Your agent runs one-time setup if needed, shows current odds, confirms your bet, then places the order.

Prerequisites

  • Quickstart completed
  • Polygon USDC.e in your owner EOA for mm predict deposit (converts to pUSD in the predict deposit wallet)

First-time setup

  1. Run one-time setup:

    mm predict setup --wait

    If the command returns a job ID instead of completing immediately, track it with mm predict watch <JOB_ID> --wait.

  2. Fund the predict deposit wallet:

    mm predict deposit --amount <AMOUNT> --wait

  3. Confirm balance:

    mm predict balance --sync

Search and place an order

  1. Search markets:

    mm predict markets search "<QUERY>" --limit 5

  2. Preview a quote:

    mm predict quote --token-id <TOKEN_ID> --side buy --size <SIZE> [--limit-price <PRICE>]

  3. Inspect a market to get outcome token IDs:

    mm predict markets get <MARKET_SLUG_OR_ID>

  4. Place the order:

    mm predict place --token-id <TOKEN_ID> --side buy --size <SIZE> --price <PRICE> [--order-type GTC|GTD|FOK|FAK]

    --limit-price applies to mm predict quote only. mm predict place requires --price (worst fill price per share, between 0 and 1).

  5. View open orders and positions:

    mm predict orders
mm predict positions

Common pitfalls

:::caution One-time setup is required Polymarket trading routes through a dedicated predict deposit wallet. Run mm predict setup followed by mm predict deposit --amount <N> before placing your first order. Skipping setup can produce JsonRpcError: execution reverted on deposit. :::

Related commands

See mm predict in the commands reference.