The expiration date located at the top right of the yahoo call board shows Thursday, May 2. That can't be right. I've seen erroneous volume/quotes occasionally on yahoo.. It will be interesting to see if those numbers remain for more than a couple of days.
273k $22 CALL contracts are in the money and control 27,300,000 shares of Intel stock. There will be some VERY LARGE AH orders pass the tape as the owners of these contracts EXERCISE the calls EARLY before INTC goes ex-dividend.
I am beginning to think that someone is both, buying and selling them. They are buying the CALLs so they can exercise them early and also selling these same ITM calls (possibly on a second market or second account) so they can then let the shares be assigned on May 18th at $22.