S&P 500 is indicating institutional buying: Buy Imbalance sits at +$1.0 billion
Following the Big Money in S&P 500 Stocks
So far in trading today, the S&P 500 ETF is up 1.8%. SPY stock last traded at $689.54. Large volume bursts in S&P 500 stocks reached 68.8 million shares worth a total of $11.9 billion in transactions. There was notable buy pressure in the Technology and Industrials sectors. Overall, buy volume pressure outpaced sell volume pressure by a 1.2 to 1 ratio. There were 212 stocks that had more buy pressure on balance, and 109 stocks that had more sell pressure from large institutions. As a whole, there was a net positive +$1.0 billion in dollar volume trades. A greater amount of the trading volume occurred on lit exchanges, at 54.1%, compared with 45.9% 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 +$1.0 billion occurred at 2:00 PM. This also represented the peak buy imbalance for the day. The largest spike in imbalance came between 11:00 AM and 11:15 AM when the buy pressure outweighed the sell pressure by a 4.1 to 1 ratio.
Flow by Sector
Technology experienced the biggest dollar volume bursts of all the SPDR sectors, with buy dollar volume exceeding sell dollar volume by $812.3 million. 37 of the Technology stocks had positive dollar balance, versus 18 that were net negative.
Individual Stocks
NVDA stock had the single biggest volume burst activity of all the S&P 500 stocks. Buy volume bursts exceeded sell volume by 1.9 million shares. As of this afternoon, the average purchase price on buy volume was $182.58. The stock has gained $12.86, indicating strength following the trade.

