The delusion that Central Banks can control their frankenmonster is a first order fantasy. They already lost control on the way up, so they sure as hell are not going to have any control on the way down. To be sure, China will try to fiddle fuck around with their casino. They outright banned selling in 2015. In the event, the Shanghai Composite only lost 60%. Something about no one wanting to buy stocks that can be halted for weeks at a time. The law of unintended boneheads.
Skynet trades globally on millisecond boundaries. It doesn’t wait six weeks for the next meeting of the League Of Extraordinary Money Printers.