or if we can but options that expire after the event is over.
because I have orders that are "working" despite the fact my order price is above the Ask price, but the options expire in March...

Congrats on the anniversary. I must point out that it is long overdue to optimize the mobile app. It is a battery hog and I suspect the desktop version is an energy hog. Is moomoo low-key mining crypto with our devices? just kidding, but the battery drain when the app is open on mobile is significant. I have always noticed this.