SPY ▼ -0.7% - State Street SPDR S&P 500 ETF Trust $SPY trading below 50 D sma The SPY fell 0.7% today and is currently trading below its 50-day simple moving average, a technical level that some traders view as a shift toward bearish momentum. The ETF's break below this widely-followed support level may have prompted selling pressure among momentum-focused investors. 10-SEP-2026 09:55 AM ET