The S&P 500 has traditionally been strong in April post-OPEX week. : The S&P 500 has traditionally been strong in April post-OPEX week. Monday has been down 61% of the time, but Tuesday through Thursday have been strong. Given the strong momentum, higher prices are likely. The S&P is likely to hit 4200-4300 by early May. The Chevron CVX daily cycle hits a low on the 18th, projecting higher prices for this coming week. April has been the strongest month for this stock, up 69.0% for an average gain of 3.4%.