S&P 500 is showing signs of institutional buying: Buy Imbalance hits +$1.4 billion
Following the Big Money in S&P 500 Stocks
So far in trading today, the S&P 500 ETF is up 0.9%. SPY stock last traded at $686.49. Large volume bursts in S&P 500 stocks reached 53.4 million shares worth a total of $7.4 billion in transactions. There was notable buy pressure in the Technology and Consumer Discretionary sectors. Overall, buy volume pressure exceeded sell volume pressure by a 1.5 to 1 ratio. There were 159 stocks that had more buy pressure on balance, and 134 stocks that had more sell pressure from large institutions. As a whole, there was a net positive +$1.4 billion in dollar volume trades. A greater amount of the trading volume occurred on lit exchanges, at 64.0%, compared with 36.0% 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 of +$1.4 billion occurred at 2:00 PM. This also represented the peak buy imbalance for the day. The largest spike in imbalance came between 10:15 AM and 10:30 AM when the buy pressure outweighed the sell pressure by a 10.6 to 1 ratio.
Flow by Sector
Technology had the highest amount of dollar volume bursts of all the SPDR sectors, with buy dollar volume exceeding sell dollar volume by $927.1 million. 25 of the Technology stocks had positive dollar balance, versus 23 that were net negative.
Individual Stocks
INTC stock had the single biggest volume burst activity of all the S&P 500 stocks. Buy volume bursts exceeded sell volume by 1.6 million shares. As of this afternoon, the average purchase price on buy volume was $45.04. The stock has rallied $2.75, indicating strength following the trade.

