After-hours trading runs 4:00 PM – 8:00 PM ET.
SPY is trading at $756.46 after hours, down $3.35 (0.44%) from its regular-session close of $759.81.
State Street SPDR S&P 500 ETF Trust (SPY) is trading at $756.46 after hours, down $3.35 (0.44%) from its regular-session close of $759.81.
SPY is down 0.44% in after-hours trading. Moves in this session almost always follow something released after the 4:00 PM ET close — an earnings report, guidance, a filing, or news — and trade on far thinner volume than the regular session, so the size of the move can overstate what the market will settle on at the next open.
After-hours trading in SPY on the ARCA runs from 4:00 PM to 8:00 PM ET on trading days, immediately after the regular session closes. Not every broker offers the full window, and liquidity thins sharply after about 6:30 PM ET.