Increasing unusual put option volume: NGD BKSY KEY BTBT NWL QS AEHR

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(NASDAQ: QS) Delayed: 5.45 --0 (-0%)
Previous Close $5.45    52 Week High
Open $5.45    52 Week Low
Day High $5.45    P/E N/A 
Day Low $5.45    EPS
Volume 37,688