When do futures open for U.S. stock indices? CME Group’s equity index futures like the S&P 500 E-mini officially open trading at 6:00 PM ET on Sunday and operate nearly 24 hours until Friday’s close at 5:00 PM ET. This extended session allows traders to react to global macroeconomic data and earnings reports outside NYSE hours, making it crucial for risk management and hedging ahead of volatile economic releases. Meanwhile, Israeli air strikes continued in Gaza, despite President Donald Trump telling Israel to "immediately stop the bombing" on Friday after Hamas responded to the proposed plan. IRON ORE CHINA PORTSIDE FUTURES: MANAGE PORTSIDE PRICE RISK For retail investors, knowing “when do futures open” can guide weekend preparation. Charting historical moves from Sunday 6:00 PM ET opens often helps anticipate Monday gaps in ETFs like SPY.
