Margin for coin-margined options contracts is divided into options buyers (long positions) and options sellers (short positions).
Option Buyer's Margin
For the buyer of an option, the premium and estimated trading fees will be frozen as buyer's margin when placing an order, while initial margin and maintenance margin will not be required for placing orders or holding positions.
Option buyer's margin = premium + estimated fees
= order price * order size + estimated fees
Option Buyer's Initial Margin IM = 0
Option Buyer's Maintenance Margin MM = 0
Option Seller's Margin
|
Options |
Initial margin for seller (short) |
Maintenance margin for seller (short) |
|
BTC coin-margined call options |
|position size in BTC| * {max [ 0.15 - max [ (strike price - underlying price) / underlying price, 0], 0.1] + option mark price} |
|Position size in BTC| * [ 0.075 + option mark price] |
|
BTC coin-margined put options |
|Position size in BTC| * max {max [ 0.15-max [ (underlying price - strike price) / underlying price, 0], 0.1] + option mark price, maintenance margin} |
|Position size in BTC| * [ max (0.075, 0.075 * option mark price) + option mark price] |
|
ETH coin-margined call options |
|Position size in ETH| * {max [ 0.15-max [ (strike price - underlying price) / underlying price, 0], 0.1] + option mark price} |
|Position size in ETH| * [ 0.075 + option mark price] |
|
ETH coin-margined put options |
|Position size in ETH| * max {max [ 0.15-max [ (underlying price - strike price) / underlying price, 0], 0.1] + option mark price, maintenance margin} |
|Position size in ETH| * [ max (0.075, 0.075 * option mark price) + option mark price] |
|
BCH coin-margined call options |
|Position size in BCH| * {max [ 0.25-max [ (strike price - underlying price) / underlying price, 0], 0.15] + option mark price} |
|Position size in BCH| * [ 0.125 + option mark price] |
|
BCH coin-margined put options |
|Position size in BCH| * max {max [ 0.25-max [ (underlying price - strike price) / underlying price, 0], 0.15] + option mark price, maintenance margin} |
|Position size in BCH| * [ max (0.125, 0.125 * option mark price) + option mark price] |