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Frequently Asked Questions
 How are Continuous Quoting obligations calculated?
Identification Number 1888

Continuous Quoting obligations are calculated by dividing the total number of seconds the firm disseminates quotes in each assigned options series — Actual Quoting Time — by the total number of seconds each assigned options series is open for trading that day—Eligible Quoting Time.

For example, assume Firm ABC has only two Market Maker badges (i.e., Badges 1 and 2), each badge is only assigned to the same single options series; the Eligible Quoting Time in the assigned series is 100 seconds; and during this Eligible Quoting Time, Badge 1 submitted legal quotes for 60 seconds; and Badge 2 submitted legal quotes for 10 seconds that overlapped in time completely with the Badge 1 quote.  

In this example, Firm ABC’s Market Maker quoting percentage would be 60% (60/100). Since Badge 1 submitted quotes for 60 seconds, and Badge 2 submitted quotes for 10 overlapping seconds, Firm ABC’s Market Maker Actual Quoting Time would be 60 seconds. As stated above, the Eligible Quoting Time is 100 seconds. If the quotes submitted by Badge 1 and Badge 2 did not overlap, the quoting percentage would be 70% (70/100) in this example.

Please see NOM/NTX/ISE/MRX/GEMX/PHLX Options 2 Sections 4 and 5 for more details.

Publication Date*: 6/30/2026 Mailto Link Identification Number: 1888
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