what will happen to HLG short sellers when it jumped to 2020101.92%?

HLG jumped 2020101.92% instantly after market open on 11/08/2017. all those short sellers margin call had been triggered, what would happen to them? will the broker closed their position at such incredible price?
 
Hailiang Education Group Inc. (HLG) ?

Stocks can't instantly jump that much due to the circuit breaker mechanisms. Look up LULD. If you see such on your charts, it's almost certainly a data error.

Plus if any clearly erroneous trades do happen, they probably get busted (undone).
 
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