<
xsd:restriction
base="
xsd:token
">
<xsd:enumeration
value="Call"/>
<xsd:enumeration
value="Forward" deprecated="true" deprecatedReason="The optionType is to be used if the underlyer does not carry any mention of the resulting trade direction."/>
<xsd:enumeration
value="Put"/>
<xsd:enumeration
value="Payer"/>
<xsd:enumeration
value="Receiver"/>
<xsd:enumeration
value="Straddle"/>
</
xsd:restriction>