If they strike at the exercise price, I still get to keep all profit up to the strike price so it's a win win either way (if they expire worthless I also keep the profit from selling them 100%). AND, should ZN go to the OTC market in next 2 months, the calls expire worthless immediately and all profit from selling them goes to the seller of the options. Selling covered call options is a great way to de-leverage your risk and ZN costs basis!
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