S&P 500 is showing signs of institutional buying: Buy Imbalance sits at +$234.8 million
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 $589.82. Large volume bursts in S&P 500 stocks reached 41.7 million shares worth a total of $4.9 billion in transactions. There was notable buy pressure in the Technology and Communication Services sectors. Overall, buy volume pressure outpaced sell volume pressure by 0.0%. There were 118 stocks that had more buy pressure on balance, and 130 stocks that had more sell pressure from large institutions. As a whole, there was a net positive +$234.8 million in dollar volume trades. A greater amount of the trading volume occurred on lit exchanges, at 52.3%, compared with 47.7% 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 buy imbalance is +$234.8 million, however, the peak buy imbalance for the day occurred at 1:30 PM, when the net buy dollar volume was +$309.4 million. The lowest cumulative sell imbalance occurred at 11:15 AM, when the net sell reached -$88.6 million. The largest spike in imbalance came between 1:15 PM and 1:30 PM when the buy pressure outweighed the sell pressure by a 5.1 to 1 ratio.
Flow by Sector
Technology experienced the highest amount of dollar volume bursts of all the SPDR sectors, with buy dollar volume exceeding sell dollar volume by $208.8 million. 20 of the Technology stocks had positive dollar balance, versus 20 that were net negative.
Individual Stocks
HAL stock had the single biggest volume burst activity of all the S&P 500 stocks. Sell volume bursts outpaced buy volume by 2.0 million shares. As of this afternoon, the average trade price on sell volume was $20.03. Even though the sell pressure has been significant, the stock price has risen $0.17 on the day.

