The New York Stock Exchange has extended the temporary suspension of its $1 minimum stock price and is seeking to permanently adopt a lower $15 million minimum 30-day average market capitalization standard.

The NYSE has filed a rule proposal to extend the temporary suspension of the price standard by an additional month until July 31. It would've expired on June 30, 2009. As previously reported, the NYSE first suspended the application of its stock-price criteria in late February.

In a June 30 proposed rule filing, the NYSE is seeking to permanently adopt a lower $15 million minimum 30-day average market capitalization standard. Earlier this year, the NYSE eased the previous $25 million threshold level to $15 million on a temporary basis through June 30, 2009.

An NYSE press release says the actions "reflects the Exchange's determination that suitable companies should remain listed during the prior and current period of unusual market volatility."

The rule filings are immediately effective, but are subject to a 30-day operative delay under Securities and Exchange Commission rules. The Exchange has asked the SEC to waive the operative delay and says it expects the SEC to take "prompt action to effectuate that waiver."