Increasing unusual put option volume: AES CPB TKO CRDO PSTG

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TELKONET, Inc. (NYSE: TKO) Delayed: 177.67 -1.97 (1.1%)
Previous Close $179.64    52 Week High $0.75 
Open $178.65    52 Week Low $0.07 
Day High $179.72    P/E N/A 
Day Low $176.25    EPS $-0.18 
Volume 542,397