Effective Thursday, April 29, 2021, the updated market maker quarterly quote width requirements on Nasdaq PHLX (PHLX), The Nasdaq Options Market (NOM), Nasdaq BX (BX Options), Nasdaq ISE (ISE), Nasdaq GEMX (GEMX) and Nasdaq MRX (MRX) will be effective through June 18, 2021. The exchanges may, in their discretion, amend these requirements by providing notice to members.

Please note the addition of UHAL to the Quarterly Quote Spread Opening and Intraday relief list.

The complete list of option classes under the bid/ask differential relief on each of the Nasdaq options exchanges can be found in the file Quote Spread Parameter Relief April 28.xlsx.

Option classes included in the file will have double (2x) bid/ask differential opening Valid Width Quote parameter relief on Phlx, ISE, GEMX and MRX. Option classes included in the file will have $20.00 (4X) bid/ask differential intra-day quote width parameter relief on Phlx, NOM, BX, ISE, GEMX and MRX.

*The Machine-readable format of the same file can be found in the Resources section. Please note that the hyperlink in resources section may not be functional on all internet browsers. The recommended browsers are Mozilla Firefox and Internet Explorer.

*Please note that an option series with an expiration 9 months or greater does not have intra-day bid/ask differential requirements.

*Please note that all other option classes for Phlx, ISE, GEMX and MRX, which are not listed in this ORA, will have an intra-day bid/ask differential that will not exceed $5.00 between the bid and offer, regardless of the price of the bid, provided that the foregoing bid/ask differentials shall not apply to in-the-money series where the market for the underlying security is wider than the differentials. For such series, the bid/ask differentials may be as wide as the spread between the NBBO in the underlying security. The aforementioned excludes option series with an expiration 9 months or greater.

*Please note that all other option classes for NOM and BX, which are not listed in this ORA, will have a bid/ask differential that will not exceed $5.00 between the bid and offer regardless of the price of the bid, including before and during the opening. However, respecting in-the-money series where the market for the underlying security is wider than $5.00, the bid/ask differential may be as wide as the spread between the NBBO in the underlying security. The aforementioned excludes option series with an expiration 9 months or greater.

*Please note that the given list does not include Index options and the aforementioned rules may not apply.

Please use the this link for the Phlx, NOM, GEMX and MRX minimum quote size requirements.