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The Trade panel sits to the right of the chart on the spread page. The header switches Open and Close, the row below picks the mode: Auto, Semi, Manual, Calc.

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Semi

  1. Choose Open › Semi.
  2. Enter Total for both legs, $. The panel shows Long ≈ … · Short ≈ … per leg and Size per leg, coins.
  3. For perpetual legs set Leverage and Margin (Cross or Isolated). Some exchanges set these for the whole account, the panel says so.
  4. Click Open spread · N. The button goes through sending…, waiting for fill…, checking the order state…, then accepted or partial.
Both legs are sent as market orders at once. The panel refuses to send when a check fails, for example not enough balance, need N, min order N USDT per leg, lot step N per leg, exchange position limit N, spot available only N or no live price. Nothing is sent in that case.

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Manual

Open › Manual shows one ticket per leg: Buy or Sell, Market or Limit, Price for a limit order, Quantity. Orders are sent per leg, so use it when you want to work a limit order on one side. An open limit order can be cancelled with Cancel, the filled part stays in the position.

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Closing

  1. Switch to Close.
  2. In Semi pick the Close amount: a share of the position or whole position. The panel shows If closed: Out now, Result and fees.
  3. Click Close position. Legs are closed together. the remaining N would be below the exchange minimum, close more or all means the exchange would not accept the remainder.
Close leg closes one side only, use it to repair a broken position, see Positions.

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Outcomes

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Balance

The Balance tab under the chart shows Available, Wallet and Unrealised PnL per exchange account.