Caterpillar (CAT) implied volatility trades below 20 as shares at record high

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Caterpillar Inc. (NYSE: CAT) Delayed: 816.50 --0 (-0%)
Previous Close $816.50    52 Week High $95.50 
Open $816.50    52 Week Low $56.36 
Day High $816.50    P/E 142.00 
Day Low $816.50    EPS $5.75 
Volume 6,228