Stacks Market Skill

Trade prediction markets on stacksmarket.app via the on-chain contract SP3N5CN0PE7YRRP29X7K9XG22BT861BRS5BN8HFFA.market-factory-v18-bias.

• Market Discovery — List and search prediction markets via REST API with filters for status, category, and featured flag.
• Price Quoting — Get real-time LMSR prices for YES/NO shares via on-chain read-only calls before committing funds.
• Trading — Buy YES or NO shares with slippage protection (buy-yes-auto, buy-no-auto). Sell with minimum proceeds guard (sell-yes-auto, sell-no-auto).
• Redemption — Redeem winning shares after market resolution (1 share = 1 STX for winners).
• Position Tracking — Check your YES and NO share balances in any market.

All operations are mainnet-only. Write operations (buy-yes, buy-no, sell-yes, sell-no, redeem) require an unlocked wallet (use bun run wallet/wallet.ts unlock first).

Usage

bun run stacks-market/stacks-market.ts <subcommand> [options]

Subcommands

list-markets

List prediction markets from stacksmarket.app. Returns markets sorted by most recent activity.

bun run stacks-market/stacks-market.ts list-markets [--limit <n>] [--status <status>] [--category <cat>] [--featured]

Options:

• --limit (optional) — Number of markets to return (default: 20)
• --status (optional) — Filter by status: active | ended | resolved
• --category (optional) — Filter by category (e.g., Crypto, Politics)
• --featured (optional) — Show only featured markets

Output:

{
  "network": "mainnet",
  "marketCount": 5,
  "markets": [
    {
      "_id": "699c573ea7bb5ad25fee68a0",
      "marketId": "1771853629839",
      "title": "Will BTC close above $100k by end of Q1?",
      "category": "Crypto",
      "isActive": true,
      "isResolved": false,
      "endDate": "2026-03-31T23:59:00.000Z",
      "totalVolume": 5000000000,
      "totalTrades": 42
    }
  ]
}

search-markets

Search prediction markets by keyword. Searches titles and descriptions.

bun run stacks-market/stacks-market.ts search-markets --query <keyword> [--limit <n>]

Options:

• --query (required) — Search keyword
• --limit (optional) — Maximum results (default: 10)

Output:

{
  "network": "mainnet",
  "query": "bitcoin",
  "resultCount": 3,
  "markets": [
    {
      "_id": "699c573ea7bb5ad25fee68a0",
      "marketId": "1771853629839",
      "title": "Will BTC close above $100k by end of Q1?",
      "isActive": true,
      "isResolved": false
    }
  ]
}

get-market

Get full details for a single prediction market including trade history and order book.

bun run stacks-market/stacks-market.ts get-market --market-id <mongoId>

Options:

• --market-id (required) — MongoDB _id of the market (e.g., 699c573ea7bb5ad25fee68a0)

Output:

{
  "network": "mainnet",
  "market": {
    "_id": "699c573ea7bb5ad25fee68a0",
    "marketId": "1771853629839",
    "title": "Will BTC close above $100k by end of Q1?",
    "description": "Resolution source: CoinGecko closing price...",
    "category": "Crypto",
    "options": [
      { "text": "Yes", "impliedProbability": 52, "totalVolume": 3000000000 },
      { "text": "No", "impliedProbability": 48, "totalVolume": 2000000000 }
    ],
    "isActive": true,
    "isResolved": false,
    "winningOption": null,
    "endDate": "2026-03-31T23:59:00.000Z",
    "totalVolume": 5000000000,
    "totalTrades": 42,
    "tradeHistory": []
  }
}

quote-buy

Get a price quote for buying YES or NO shares. Always quote before buying to verify cost and slippage.

bun run stacks-market/stacks-market.ts quote-buy --market-id <id> --side <yes|no> --amount <shares>

Options:

• --market-id (required) — Market ID (epoch millisecond timestamp, e.g., 1771853629839)
• --side (required) — yes or no
• --amount (required) — Number of shares to buy (integer, e.g., 5 for 5 shares)

Output:

{
  "network": "mainnet",
  "quote": {
    "marketId": "1771853629839",
    "side": "yes",
    "shares": 5,
    "totalCostUstx": 5250000,
    "totalCostStx": "5.25",
    "fees": {
      "protocolUstx": 125000,
      "lpUstx": 75000
    }
  }
}

quote-sell

Get a price quote for selling YES or NO shares. Always quote before selling to verify proceeds.

bun run stacks-market/stacks-market.ts quote-sell --market-id <id> --side <yes|no> --amount <shares>

Options:

• --market-id (required) — Market ID (epoch millisecond timestamp)
• --side (required) — yes or no
• --amount (required) — Number of shares to sell (integer)

Output:

{
  "network": "mainnet",
  "quote": {
    "marketId": "1771853629839",
    "side": "yes",
    "shares": 5,
    "totalProceedsUstx": 4750000,
    "totalProceedsStx": "4.75",
    "fees": {
      "protocolUstx": 125000,
      "lpUstx": 75000
    }
  }
}

buy-yes

Buy YES shares in a prediction market. Uses buy-yes-auto for slippage protection. Requires an unlocked wallet.

bun run stacks-market/stacks-market.ts buy-yes --market-id <id> --amount <shares> --max-cost <ustx>

Options:

• --market-id (required) — Market ID (epoch millisecond timestamp)
• --amount (required) — Number of YES shares to buy
• --max-cost (required) — Maximum total cost in uSTX (slippage protection). Get from quote-buy first.

Output:

{
  "success": true,
  "txid": "abc123...",
  "network": "mainnet",
  "explorerUrl": "https://explorer.hiro.so/txid/abc123...?chain=mainnet",
  "trade": {
    "marketId": "1771853629839",
    "side": "yes",
    "shares": 5,
    "maxCostUstx": 5500000
  }
}

buy-no

Buy NO shares in a prediction market. Uses buy-no-auto for slippage protection. Requires an unlocked wallet.

bun run stacks-market/stacks-market.ts buy-no --market-id <id> --amount <shares> --max-cost <ustx>

Options:

• --market-id (required) — Market ID (epoch millisecond timestamp)
• --amount (required) — Number of NO shares to buy
• --max-cost (required) — Maximum total cost in uSTX (slippage protection)

Output:

{
  "success": true,
  "txid": "abc123...",
  "network": "mainnet",
  "explorerUrl": "https://explorer.hiro.so/txid/abc123...?chain=mainnet",
  "trade": {
    "marketId": "1771853629839",
    "side": "no",
    "shares": 5,
    "maxCostUstx": 5500000
  }
}

sell-yes

Sell YES shares before market resolution. Uses sell-yes-auto with minimum proceeds guard. Requires an unlocked wallet.

bun run stacks-market/stacks-market.ts sell-yes --market-id <id> --amount <shares> --min-proceeds <ustx>

Options:

• --market-id (required) — Market ID (epoch millisecond timestamp)
• --amount (required) — Number of YES shares to sell
• --min-proceeds (required) — Minimum acceptable proceeds in uSTX (slippage protection). Get from quote-sell first.

Output:

{
  "success": true,
  "txid": "abc123...",
  "network": "mainnet",
  "explorerUrl": "https://explorer.hiro.so/txid/abc123...?chain=mainnet",
  "trade": {
    "marketId": "1771853629839",
    "side": "yes",
    "shares": 5,
    "minProceedsUstx": 4500000
  }
}

sell-no

Sell NO shares before market resolution. Uses sell-no-auto with minimum proceeds guard. Requires an unlocked wallet.

bun run stacks-market/stacks-market.ts sell-no --market-id <id> --amount <shares> --min-proceeds <ustx>

Options:

• --market-id (required) — Market ID (epoch millisecond timestamp)
• --amount (required) — Number of NO shares to sell
• --min-proceeds (required) — Minimum acceptable proceeds in uSTX

Output:

{
  "success": true,
  "txid": "abc123...",
  "network": "mainnet",
  "explorerUrl": "https://explorer.hiro.so/txid/abc123...?chain=mainnet",
  "trade": {
    "marketId": "1771853629839",
    "side": "no",
    "shares": 5,
    "minProceedsUstx": 4500000
  }
}

redeem

Redeem winning shares after market resolution. Winning shares pay 1 STX (1,000,000 uSTX) each. Requires an unlocked wallet.

bun run stacks-market/stacks-market.ts redeem --market-id <id>

Options:

• --market-id (required) — Market ID (epoch millisecond timestamp)

Output:

{
  "success": true,
  "txid": "abc123...",
  "network": "mainnet",
  "explorerUrl": "https://explorer.hiro.so/txid/abc123...?chain=mainnet",
  "marketId": "1771853629839"
}

get-position

Get your YES and NO share balances in a market. Optionally check any address.

bun run stacks-market/stacks-market.ts get-position --market-id <id> [--address <stacksAddress>]

Options:

• --market-id (required) — Market ID (epoch millisecond timestamp)
• --address (optional) — Stacks address to check (uses active wallet if omitted)

Output:

{
  "network": "mainnet",
  "address": "SP2...",
  "marketId": "1771853629839",
  "position": {
    "yesShares": 5,
    "noShares": 0
  }
}

Notes

• All operations are mainnet-only. Calls on testnet will return an error.
• Write operations require an unlocked wallet (use bun run wallet/wallet.ts unlock first).
• Always run quote-buy or quote-sell before trading to verify costs and set slippage bounds.
• Market IDs are epoch millisecond timestamps (e.g., 1771853629839), not MongoDB _id.
• The get-market subcommand takes MongoDB _id (e.g., 699c573ea7bb5ad25fee68a0), not marketId.
• Write operations MUST use PostConditionMode.Allow — the contract moves STX internally (sender → pool → fee wallets) and default post-conditions block this.
• isActive can be true even after endDate passes — the contract owner must manually resolve. Always check isResolved and compare time.
• Winning shares pay 1 STX each on redemption; losing shares pay nothing. Burns all shares.
• Gas fees are approximately 0.05–0.1 STX per transaction, in addition to the share cost.
• LMSR pricing: cost of shares follows a logarithmic curve — buying more shares in one direction increases price. Get a fresh quote immediately before submitting a buy.