S&P 500 Large Volume Bursts Reach $5.1 billion


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S&P 500 is showing signs of institutional buying: Buy Imbalance sits at +$336.5 million

Following the Big Money in S&P 500 Stocks

So far in trading today, the S&P 500 ETF is up 1.7%. SPY stock last traded at $560.73. Large volume bursts in S&P 500 stocks reached 43.0 million shares worth a total of $5.1 billion in transactions. There was notable buy pressure in the Technology and Industrials sectors. Overall, buy volume pressure surpassed sell volume pressure by 0.0%. There were 126 stocks that had more buy pressure on balance, and 101 stocks that had more sell pressure from large institutions. As a whole, there was a net positive +$336.5 million in dollar volume trades. A greater amount of the trading volume occurred on lit exchanges, at 56.4%, compared with 43.6% 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 +$336.5 million, however, the peak buy imbalance for the day occurred at 12:00 PM, when the net buy dollar volume was +$408.9 million. The lowest cumulative sell imbalance occurred at 10:15 AM, when the net sell reached -$61.2 million. The largest spike in imbalance came between 9:30 AM and 9:45 AM when the buy pressure outweighed the sell pressure by a 2.0 to 1 ratio.

Flow by Sector

Technology had the most dollar volume bursts of all the SPDR sectors, with buy dollar volume exceeding sell dollar volume by $451.8 million. 24 of the Technology stocks had positive dollar balance, versus 14 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 outpaced sell volume by 2.9 million shares. As of this afternoon, the average purchase price on buy volume was $120.33. The stock has gained $4.83, indicating strength following the trade.