If you are intent on selling and locking in this price you have to buy puts with an exercise price near the current price. Personally, I would sell slightly OTM calls. If they expire OTM then you pocket the premium and then just sell your shares in January.
I would wait for the next pop on the stock and hopefully that will take you up in the 30+ range. Then write a January covered call at that price point. much more bang for the buck.