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Re:GameStop Is Happening Again by cjbenedikt on Thursday February 25, 2021 @02:02PM (#26266714)
Ever considered that someone just closed out short call positions ?
Re:GameStop Is Happening Again by dragontamer on Thursday February 25, 2021 @02:06PM (#26266763)
Open interest declines if someone closes positions.

Open interest increases if someone opens a position.

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Open Interest is well over 10,000 on $800 GME expiring tomorrow. So __somebody__ bought-to-open call options at $800. (I presume the sell-to-open side of that call option is just the Market Maker who happened to close that deal, taking the free money).

This is well over $1-million USD being YOLO'd onto an outrageous bet (that GME is going to be over $800 tomorrow at 4:30pm).

https://www.nasdaq.com/market-activity/stocks/gme/option-cha...

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In any case, my point is that retail is absolutely allowed to trade options overnight. Just because stock market is closed doesn't mean that the options-market is closed. The options-market is 24/7.

Re:GameStop Is Happening Again by TameAntelope on Thursday February 25, 2021 @02:31PM (#26267110)
You should see the bets people make on the Superbowl, if you think this YOLO is crazy.