| 
 Code  | 
 Description  | 
 Adjust  | 
 Method  | 
 Level  | 
| 
 STRIKE  | 
 Strike price. Also known as exercise price. 
  | 
 Yes  | 
 Edit†  | 
 O  | 
| 
 OPRICE  | 
 Option price, as determined by the value set in the OBATE field. 
  | 
 Yes  | 
 Edit  | 
 O  | 
| 
 OBATE  | 
 Option price used to calculate Implied Volatility. 
  | 
 Yes  | 
 Menu  | 
 PUO  | 
| 
 UPRICE  | 
 Underlying price determined by the value set in the UBATE field. 
  | 
 Yes  | 
 Edit  | 
 UO  | 
| 
 UBATE  | 
 The price of the underlying instrument used in pricing model. The price passed to the pricing model is determined by this code. 
  | 
 Yes  | 
 Menu  | 
 PUO  | 
| 
 OPTAUPRICE  | 
 Underlying price at the time of an option’s last ask 
  | 
 Yes  | 
 Edit  | 
 PUO  | 
| 
 OPTBUPRICE  | 
 Underlying price at the time of an option’s last bid 
  | 
 Yes  | 
 Edit  | 
 PUO  | 
| 
 OPTUPRICE  | 
 Underlying price at the time of the most recent option price (bid, ask, or last). 
  | 
 Yes  | 
 Edit  | 
 PUO  | 
| 
 MID  | 
 Mid point of bid and ask. 
  | 
 Yes  | 
 Edit  | 
 O  | 
| 
 BASE  | 
 Base for certain interest rate futures, where the quoted futures price is derived by subtracting the discount yield from a base. 
  | 
 Yes  | 
 Edit  | 
 UO  | 
| 
 OFFSET  | 
 Optional Adjustment to Underlying price. This field is added to UPRICE when pricing an option with a different underlying instrument. Used for pricing the futures options when the contract of one month is used as the underlying of the options on a future of a different month. Also used when valuing index options (OEX) with index futures (SP) used as the underlying. The default value displayed is derived using the put-call-parity relationship. This value only affects the option pricing model when it is locked or when you are using a different underlying than the option’s true underlying in the pricing model.  | 
 Yes  | 
 Edit  | 
 UO  | 
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