Buy To — Open Sell To Close

You expect the underlying asset's price to rise (bullish).

You relinquish your rights and realize a profit or loss based on the difference between your initial BTO premium and the current STC premium. buy to open sell to close

This order is used to a position you previously opened via BTO. When you execute an STC order: Action: You sell your existing contract to another party. You expect the underlying asset's price to rise (bullish)

You expect the underlying asset's price to rise (bullish).

You relinquish your rights and realize a profit or loss based on the difference between your initial BTO premium and the current STC premium.

This order is used to a position you previously opened via BTO. When you execute an STC order: Action: You sell your existing contract to another party.