S&P 500: Large Volume Trades in Focus


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S&P 500 has seen increased institutional buying: Buy Imbalance hits +$837.7 million

Following the Big Money in S&P 500 Stocks

So far in trading today, the S&P 500 ETF is up 0.4%. SPY stock last traded at $600.04. Large volume bursts in S&P 500 stocks reached 35.9 million shares worth a total of $5.7 billion in transactions. There was notable buy pressure in the Technology and Communication Services sectors. Overall, buy volume pressure exceeded sell volume pressure by a 1.4 to 1 ratio. There were 100 stocks that had more buy pressure on balance, and 116 stocks that had more sell pressure from large institutions. As a whole, there was a net positive +$837.7 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 +$837.7 million, however, the peak buy imbalance for the day occurred at 1:00 PM, when the net buy dollar volume was +$1.1 billion. The largest spike in imbalance came between 9:30 AM and 9:45 AM when the buy pressure outweighed the sell pressure by a 3.5 to 1 ratio.

Flow by Sector

Technology experienced the largest dollar volume bursts of all the SPDR sectors, with buy dollar volume exceeding sell dollar volume by $435.0 million. 22 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 566,581 shares. As of this afternoon, the average purchase price on buy volume was $137.47. The stock has rallied $0.78, indicating strength following the trade.