Nasdaq analyzed on page 9, I read 30 trading days
Post# of 148183
*** To qualify under the closing price alternative, a company must have:
(i) average annual revenues of $6 million for three years, or
(ii) net tangible assets of $5 million, or
(iii) net tangible assets of $2 million and a 3 year operating history, in addition to satisfying the other financial and liquidity requirements listed above. In addition to the above requirements, if the security is trading in the U.S. over-the-counter market as of the date of application, the security must have a minimum average daily trading volume of 2,000 shares (including trading volume of the underlying security on the primary market with respect to an ADR), over the 30 trading day period prior to listing, with trading occurring on more than half of those 30 days, unless such security is listed on the Exchange in connection with a firm commitment underwritten public offering of at least $4 million.
https://listingcenter.nasdaq.com/assets/initialguide.pdf