What the September futures rollover means for ES and NQ traders
Every quarter, traders in the E-mini S&P 500 (ES) and E-mini Nasdaq-100 (NQ) go through a ritual that catches out newer participants more often than it should: the futures rollover. With the next quarterly expiry falling on the third Friday of September, this is a good moment to explain what is actually happening, and why it matters even if you never intend to hold a contract into expiry.
Why futures expire at all
Unlike a stock, which exists indefinitely, a futures contract is a promise to buy or sell an underlying asset at a set price on a set date. Index futures like ES and NQ follow a quarterly cycle: March, June, September and December, often labeled H, M, U and Z after…