Increasing unusual call option volume: LGO CAR OGN SANM EWT EH JEF SIMO CXW

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BioLargo, Inc. (NASDAQ: LGO) Delayed: 0.70 -0.04 (5.41%)
Previous Close $0.74    52 Week High $0.60 
Open $0.71    52 Week Low $0.25 
Day High $0.72    P/E N/A 
Day Low $0.69    EPS $0.00 
Volume 409,406