S&P 500 is indicating institutional selling: Sell Imbalance hits -$590.7 million
Following the Big Money in S&P 500 Stocks
So far in trading today, the S&P 500 ETF is down 1.3%. SPY stock last traded at $636.39. Large volume bursts in S&P 500 stocks reached 50.0 million shares worth a total of $7.1 billion in transactions. There was notable buy pressure in the Energy and Health Care sectors. Overall, sell volume pressure exceeded buy volume pressure by a 1.2 to 1 ratio. There were 130 stocks that had more buy pressure on balance, and 155 stocks that had more sell pressure from large institutions. As a whole, there was a net negative -$590.7 million in dollar volume trades. A greater amount of the trading volume occurred on lit exchanges, at 57.7%, compared with 42.3% being transacted in the dark pool. To learn more about large volume trades, check out our help section.
Daily Chart: Large Volume Bursts Over Time
As you can see from the chart below, the most recent cumulative sell imbalance of -$590.7 million occurred at 2:00 PM. This also represented the largest sell imbalance for the day. The largest spike in imbalance came between 1:15 PM and 1:30 PM when the sell pressure surpassed the buy pressure by a 6.0 to 1 ratio.
Flow by Sector
Technology saw the largest dollar volume bursts of all the SPDR sectors, with sell dollar volume exceeding buy dollar volume by $338.3 million. 19 of the Technology stocks had positive dollar balance, versus 27 that were net negative.
Individual Stocks
NVDA stock had the single biggest volume burst activity of all the S&P 500 stocks. Sell volume bursts surpassed buy volume by 1.1 million shares. As of this afternoon, the average trade price on sell volume was $168.53. The stock has fallen $3.34, indicating weakness following the trade.

