check on your brokers account
Oh, really? my ameritrade says Feb 18th confirmed.
get the quote, then click on the ticker and select earnings.
It doesn't matter the earning date.. your put option will be expiring worthless.
Still you think you are going to make money on puts. I am really sorry. Save the money now and fight another day instead of losing all.
Hold your short and put at your own risk... hehehe.