S&P 500 Large Volume Bursts Reach $5.6 billion


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S&P 500 is showing signs of institutional buying: Buy Imbalance reaches +$242.7 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 $607.95. Large volume bursts in S&P 500 stocks reached 35.6 million shares worth a total of $5.6 billion in transactions. There was notable buy pressure in the Technology and Health Care sectors. Overall, buy volume pressure outpaced sell volume pressure by 0.0%. There were 150 stocks that had more buy pressure on balance, and 110 stocks that had more sell pressure from large institutions. As a whole, there was a net positive +$242.7 million in dollar volume trades. A greater amount of the trading volume occurred on lit exchanges, at 54.4%, compared with 45.6% 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 +$242.7 million, however, the peak buy imbalance for the day occurred at 11:45 AM, when the net buy dollar volume was +$404.5 million. The largest spike in imbalance came between 10:30 AM and 10:45 AM when the buy pressure outweighed the sell pressure by a 3.1 to 1 ratio.

Flow by Sector

Technology had the biggest dollar volume bursts of all the SPDR sectors, with buy dollar volume exceeding sell dollar volume by $195.7 million. 25 of the Technology stocks had positive dollar balance, versus 19 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 664,348 shares. As of this afternoon, the average purchase price on buy volume was $145.41. Despite the buy pressure, the stock has dropped $0.83 on the day.