Market Orders
Market orders execute immediately at the current market price. Use them when you want to enter or exit a position quickly.Buying
From a Market Screen
- Open any market (paste a Polymarket URL or navigate from Positions)
- Tap an outcome button (e.g., “YES (45c)”)
- Choose your buy amount:
- Preset amounts — tap one of your quick buy presets (e.g.,10,50, $100)
- Custom amount — tap the custom amount button, then type a USD value
- The order is submitted and you’ll see a confirmation: “Transaction Submitted”
From a Position
If you already hold a position, you can buy more directly from the Position Detail screen:- Go to Positions > tap a position
- On the Market tab, use the buy preset buttons or enter a custom amount
- The order is submitted with the same flow
Custom Amount Input
When entering a custom amount:- Type a positive number (e.g.,
25or150.50) - The amount must be at least the minimum buy amount
- The amount cannot exceed your available balance
Selling
Sell orders are available from the Position Detail screen (Market tab).There are three ways to sell:
Sell Initial
Recovers your initial investment by selling just enough shares. Only available when your position is profitable (current value exceeds what you invested).Preset Percentages
Sell a percentage of your position using your quick sell presets (e.g., 25%, 50%, 75%, 100%). The number of shares is calculated automatically based on your position size.Custom Percentage
- Tap “Sell custom %”
- Enter an integer between 1 and 100
- The bot calculates how many shares that represents and submits the order
Order Confirmation
After submitting any market order, you’ll see a “Transaction Submitted” message. The order is processed in the background. Once completed, the message updates to show:- Success — order details, shares purchased/sold, and a link to view the transaction on Polygonscan
- Failure — error details with a link back to the main menu
PolyX charges a 0.49% commission on all trades.