If you're basing this on the stock market as a whole being down, surely you'd make more money by selling to Elon at $54 while it's still down, and re-investing

If you're basing this on the stock market as a whole being down, surely you'd make more money by selling to Elon at $54 while it's still down, and re-investing your money in other stocks - letting you get the upside twice, once from Elon and once from the stock market going up.