On October 18, 2021, I sold 1 call option on PFE stock with a strike price of $43 and expiry this Friday. I don't have actually 100 shares to deliver if challenged (I have some 14). In case of danger, I will roll up and forward this call option. Pfizer Inc. is an American multinational pharmaceutical and biotechnology corporation headquartered on 42nd Street in Manhattan, New York City. The company was established in 1849 in New York by two German immigrants, Charles Pfizer and his cousin Charles F. Erhart
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