S&P 500 has seen increased institutional selling: Sell Imbalance reaches -$1.5 billion
Following the Big Money in S&P 500 Stocks
So far in trading today, the S&P 500 ETF is unchanged. SPY stock last traded at $669.78. Large volume bursts in S&P 500 stocks reached 72.9 million shares worth a total of $12.3 billion in transactions. There was notable buy pressure in the Utilities and Health Care sectors. Overall, sell volume pressure exceeded buy volume pressure by a 1.3 to 1 ratio. There were 145 stocks that had more buy pressure on balance, and 149 stocks that had more sell pressure from large institutions. As a whole, there was a net negative -$1.5 billion in dollar volume trades. A greater amount of the trading volume occurred on lit exchanges, at 57.5%, compared with 42.5% 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 -$1.5 billion, however, the furthest sell imbalance for the day occurred at 2:00 PM, when the net sell dollar volume was -$1.7 billion. The highest cumulative buy imbalance occurred at 9:45 AM, when the net buy hit +$214.3 million. The largest spike in imbalance came between 1:00 PM and 1:15 PM when the sell pressure surpassed the buy pressure by a 8.0 to 1 ratio.
Flow by Sector
Consumer Discretionary had the most dollar volume bursts of all the SPDR sectors, with sell dollar volume exceeding buy dollar volume by $1.1 billion. 13 of the Consumer Discretionary stocks had positive dollar balance, versus 19 that were net negative.
Individual Stocks
TSLA stock had the single biggest volume burst activity of all the S&P 500 stocks. Sell volume bursts exceeded buy volume by 2.2 million shares. As of this afternoon, the average trade price on sell volume was $427.31. The stock has fallen $7.46, indicating weakness following the trade.

