Tesla (TSLA) option IV decreases after 3 for 1 stock split

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TESLA MTRS (NASDAQ: TSLA) Delayed: 381.61 -23.44 (5.79%)
Previous Close $405.05    52 Week High $269.32 
Open $392.61    52 Week Low $141.05 
Day High $392.87    P/E N/A 
Day Low $379.06    EPS $-0.62 
Volume 50,381,424