Are options European style?
Options are European style and physically-settled. Exercise instructions must be submitted by the long holder before settlement. There is no automatic exercise.
How can I buy options?
You can purchase options with USD. Simply click on the option price and an order form will pop up. Read more about buying options here.
How can I sell options?
You can sell calls with BTC and sell puts with USD. The seller must post the deliverable to LedgerX at the time of trade. Read more about selling options here.
Options Collateral requirements:
Buy Options: Pay USD premium
Sell Calls: Post BTC
Sell Puts: Post USD strike price