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

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TESLA MTRS (NASDAQ: TSLA) Delayed: 363.49 +18.36 (5.32%)
Previous Close $345.13    52 Week High $269.32 
Open $349.88    52 Week Low $141.05 
Day High $364.48    P/E N/A 
Day Low $346.90    EPS $-0.62 
Volume 34,829,048