What are the key differences between ES1 and ES2 futures?

ES1 and ES2 futures are both contracts that allow investors to speculate on the future price of the SP 500 index. The key difference between them is the expiration date. ES1 futures expire in March, June, September, and December, while ES2 futures expire in the months in between (February, May, August, and November). This difference in expiration dates can impact trading strategies and risk management for investors.