General Motors (GM) volatility flat into Trump tweet

General Motors (NYSE: GM) January weekly call option implied volatility is at 26, January is at 27. February is at 29; compared to its 52-week range of 19 to 41 into President-Elect Donald Trump tweeted, "General Motors is sending Mexican made model of Chevy Cruze to U.S. car dealers-tax free across border. Make in U.S.A. or pay big border tax!"

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