Regulatory Notice 24-08
Summary
FINRA has amended FINRA Rule 4210 (Margin Requirements) to establish a specified exception under the margin rules with respect to certain short option or warrant positions on indexes that are written against products that track the same underlying index. Referred to as “protected” option or warrant positions, the new exception conforms with similar provisions Cboe recently adopted. The amendments are effective as of the date of issuance of this Notice.