The component stocks are weighted according to the total market value of their outstanding shares. The impact of a component's price change is proportional to the issue's total market value, which is the share price times the number of shares outstanding. These are summed for all stocks and divided by a predetermined base value.
Minimum tick for options trading below 3. In-,at- and out-of-the-money strike prices are initially listed. New series are generally added when the underlying trades through the highest or lowest strike price available. Up to twelve 12 near-term months. European - SPX options generally may be exercised only on the expiration date.
Trading in SPX options will ordinarily cease on the business day usually a Thursday preceding the day on which the exercise-settlement value is calculated. Exercise will result in delivery of cash on the business day following expiration. The exercise-settlement value, SET, is calculated using the opening sales price in the primary market of each component security on the expiration date. Position and Exercise Limits: No position and exercise limits are in effect.
The TPH must report information as to whether such position is hedged and, if so, a description of the hedge employed e. Thereafter, if the position is maintained at or above the reporting threshold, a subsequent report is required on Monday following expiration and when any change to the hedge results in the position being either unhedged or only partially hedged.
Reductions below these thresholds do not need to be reported. Purchases of puts or calls with 9 months or less until expiration must be paid for in full. Additional margin may be required pursuant to Exchange Rule Central time Chicago time.
Account Settings Sign Out. The third Friday of the expiration month. Position and Exercise limits are subject to change.More...