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Polymarket

Bet on real-world events through the Polymarket prediction market.

Overview​

Polymarket is a decentralized prediction market on Polygon. Through Bankr, you can:

  • Search for markets
  • Check odds
  • Place bets and sell shares
  • View and redeem positions

Searching Markets​

Find markets on topics you care about:

"what are the odds the eagles win this weekend?"
"search for bitcoin markets on polymarket"
"find presidential election markets"
"show me sports betting markets"

Getting Market Details​

Get specific market information:

"details about the trump election market"
"show odds for eagles vs cowboys"
"what are the current odds for bitcoin above 100k?"

Placing Bets​

By Amount​

"bet $5 on eagles to win tonight"
"put $20 on cowboys to win this weekend"
"bet $10 on trump winning the election"

By Shares​

"buy 100 shares of YES in the bitcoin market"
"buy 50 NO shares for the fed rate decision"

Understanding Outcomes​

Markets have outcomes you can bet on:

"bet $5 on YES for bitcoin above 100k"
"bet $10 on NO for trump winning"
"buy eagles to win"  # Bankr maps team to correct outcome

Managing Positions​

View Positions​

"show my Polymarket positions"
"what bets do I have?"

This lists your open bets, any resolved winning positions you can still redeem, and losses from markets that resolved in the last 48 hours. Older losing positions are hidden by default (a market you lost settles at $0) and only summarized as a count — ask explicitly to see them:

"show my losing polymarket positions too"

Sell Shares​

Exit before a market resolves:

"sell my YES shares in the bitcoin market"

Redeem Winnings​

After a market resolves:

"redeem my winning polymarket positions"
"claim my polymarket winnings"

Only positions actually worth more than $0 are redeemed — resolved losers have nothing to claim, so they're skipped rather than reported as failed redemptions.

Example Flow​

  1. Search for a market

    "what are the odds the eagles win this weekend?"

  2. Review the odds

    Eagles: 65% ($0.65)
    Cowboys: 35% ($0.35)

  3. Place your bet

    "bet $10 on eagles to win"

  4. After the game resolves

    "redeem my polymarket positions"

Pricing​

Shares are priced $0.00 - $1.00:

  • $0.65 = 65% implied probability
  • If you buy at $0.65 and win, you get $1.00 per share
  • Profit: $0.35 per share (54% return)

Market Types​

Sports​

"odds for eagles vs cowboys"
"super bowl winner odds"
"NBA finals market"

Politics​

"presidential election odds"
"who will win the primary?"

Crypto​

"bitcoin above 100k by end of year"
"eth flipping btc odds"

Current Events​

"fed rate decision odds"
"will X happen by Y date"

Tips​

Time-Sensitive Markets​

Include timing for sports:

"eagles game tonight"    # vs
"eagles game this weekend"

Multiple Markets​

Some events have multiple related markets. Bankr will ask for clarification:

"show me all markets for the super bowl"

How It Works​

Bankr uses Polymarket's CLOB v2 deposit-wallet flow. When you place your first bet, a deposit wallet is automatically created for you. Funds are moved to the deposit wallet for order execution and swept back after sells. You don't need to manage this — it happens transparently.

Leftover Collateral​

Funds only pass through the deposit wallet, so a balance sitting there is unusual. When there's anything left, Bankr reports it alongside your positions (including when you have no positions at all), so it doesn't sit there invisibly. Bankr won't guess at why it's there.

It isn't a position and it isn't winnings — it's your collateral, ready to use. Bet with it, or pull it back to your wallet:

"sweep my polymarket deposit wallet"

Requirements​

  • Funds for the bet. Bankr uses collateral you already hold — USDC.e or pUSD on Polygon, or pUSD in your deposit wallet — first; if that's short, it swaps in the rest from native tokens or USD stablecoins on your other chains without asking again, but checks with you before selling any other token.
  • Gas on Polygon (or gas sponsorship)

Limitations​

  • Polymarket is only available on Polygon
  • Not available in wallet mode (a connected external wallet) or through API keys restricted to allowed recipients
  • Some markets may have low liquidity
  • Markets must be active (not resolved)