Skip to content
FIXtags

FIX TAG 2023

UnderlyingStrikePriceDeterminationMethod

intAdded FIX.5.0SP2 · EP161

Definition

Specifies how the strike price is determined at the point of option exercise. The strike may be fixed throughout the life of the option, set at expiration to the value of the underlying, set to the average value of the underlying , or set to the optimal value of the underlying.

Compare versions

Differences between the selected source snapshots, including wording and errata; not a migration guide.

FIX 5.0 SP2 FIX Latest · EP309

This tag is not present in the FIX 5.0 SP2 source. There is no definition or value list to compare.

Values 4

ValueMeaning
1

Fixed strike (default if not specified)

2

Strike set at expiration to underlying or other value (lookback floating)

3

Strike set to average of underlying settlement price across the life of the option

4

Strike set to optimal value

About the int data type

Sequence of digits without commas or decimals and optional sign character (ASCII characters "-" and "0" - "9" ). The sign character utilizes one byte (i.e. positive int is "99999" while negative int is "-99999"). Note that int values may contain leading zeros (e.g. "00023" = "23").

Used in messages 77

Includes nested components and repeating groups. Open a location to see its surrounding requirements.