S&P 500 Large Volume Bursts Reach $4.4 billion


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S&P 500 is showing signs of institutional buying: Buy Imbalance sits at +$521.2 million

Following the Big Money in S&P 500 Stocks

So far in trading today, the S&P 500 ETF is up 0.6%. SPY stock last traded at $571.35. Large volume bursts in S&P 500 stocks reached 40.2 million shares worth a total of $4.4 billion in transactions. There was notable buy pressure in the Consumer Discretionary and Technology sectors. Overall, buy volume pressure exceeded sell volume pressure by a 1.3 to 1 ratio. There were 111 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 +$521.2 million in dollar volume trades. A greater amount of the trading volume occurred on lit exchanges, at 62.4%, compared with 37.6% 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 of +$521.2 million occurred at 2:00 PM. This also represented the peak buy imbalance for the day. The lowest cumulative sell imbalance occurred at 10:30 AM, when the net sell reached -$162.3 million. The largest spike in imbalance came between 10:45 AM and 11:00 AM when the buy pressure outweighed the sell pressure by a 3.5 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 $209.3 million. 21 of the Technology stocks had positive dollar balance, versus 15 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 415,036 shares. As of this afternoon, the average purchase price on buy volume was $123.82. The stock has gained $1.57, indicating strength following the trade.