What index options are available for trading on Sahm?
Sahm currently offers three index options for trading. However, for DJX and NDX index options, Sahm only provides market data for users to observe the market; these options are not currently available for trading. The details are as follows:
SPX | XSP | VIX | ||||
Underlying Asset | S&P 500 Index | Mini SPX Index | Volatility Index | |||
Expiration Cycle | Monthly | The End of Month/Quater | Weekly | Monthly/Weekly/ The end of month and quarter | Monthly | Weekly |
Root Ticker Symbol | SPX | SPXW | XSP | VIX | VIXW | |
Contract Multiplier | 100 | 100 | 100 | |||
Expiration Date | The third Friday of the expiration month | The last trading day of the expiration month | The last trading day of the expiration week | The third Friday of the expiration month | The third Friday of the expiration month | Wednesday of expiration week |
Last Trading Day | T-1 | T（Expiration Date） | T（Expiration Date） | T（Expiration Date） | T-1 | |
Exercise Style | European | European | European | European | European | European |
Settlement Type | Cash | Cash | Cash | Cash | Cash | Cash |
Settlement Value | AM-Settled | PM-Settled | PM-Settled | PM-Settled | AM-Settled | AM-Settled |
Settlement Price | SET price on expiry date | Closing price of S&P 500 on expiration date | Closing price of XSP on expiration date | VRO price on expiry date | ||
Note：
- SET: The exercise-settlement value, SET, is calculated using the opening sales price in the primary market of each component security on the expiration date.
- VRO: The exercise-settlement value for VIX/VIXW options shall be a Special Opening Quotation (SOQ) of VIX calculated from the sequence of opening prices for regular trading hours for the SPX options used to calculate the index on the settlement date.
