Kalshi filed stock perpetual rules with regulators, while CFTC approval remains pending after September 18.Proposed contracts would trade from Sunday evening through Friday, with daily one-hour maintenance windows scheduled.Kalshi proposes 15.50% minimum customer margin and cash settlement through its registered Kalshi Klear clearinghouse.CFTC records list Apple, Tesla, Microsoft, Nvidia, Amazon, SPY and QQQ perpetuals awaiting approval currently.Coinbase and Bitnomial submitted competing stock perpetual proposals on September 18 under separate regulatory processes.