S&P 500 is indicating institutional selling: Sell Imbalance sits at -$1.3 billion
Following the Big Money in S&P 500 Stocks
So far in trading today, the S&P 500 ETF is down 0.4%. SPY stock last traded at $684.48. Large volume bursts in S&P 500 stocks reached 72.6 million shares worth a total of $15.3 billion in transactions. There was notable buy pressure in the Financial and Industrials sectors. Overall, sell volume pressure outpaced buy volume pressure by a 1.2 to 1 ratio. There were 157 stocks that had more buy pressure on balance, and 146 stocks that had more sell pressure from large institutions. As a whole, there was a net negative -$1.3 billion in dollar volume trades. A greater amount of the trading volume occurred on lit exchanges, at 62.9%, compared with 37.1% 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 is -$1.3 billion, however, the furthest sell imbalance for the day occurred at 1:30 PM, when the net sell dollar volume was -$1.5 billion. The largest spike in imbalance came between 9:30 AM and 9:45 AM when the sell pressure surpassed the buy pressure by a 3.0 to 1 ratio.
Flow by Sector
Communication Services had the highest amount of dollar volume bursts of all the SPDR sectors, with sell dollar volume exceeding buy dollar volume by $671.2 million. 5 of the Communication Services stocks had positive dollar balance, versus 9 that were net negative.
Individual Stocks
META stock had the single biggest volume burst activity of all the S&P 500 stocks. Sell volume bursts exceeded buy volume by 1.1 million shares. As of this afternoon, the average trade price on sell volume was $662.84. The stock price decreased $77.61, indicating weakness following the trade.

