SPY: Large Volume Trades and Price Impact


Re-Tweet
Share on LinkedIn

S&P 500 is showing signs of institutional buying: Buy Imbalance reaches +$127.4 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 $593.18. Large volume bursts in S&P 500 stocks reached 43.9 million shares worth a total of $5.9 billion in transactions. There was notable buy pressure in the Industrials and Health Care sectors. Overall, buy volume pressure outpaced sell volume pressure by 0.0%. There were 132 stocks that had more buy pressure on balance, and 114 stocks that had more sell pressure from large institutions. As a whole, there was a net positive +$127.4 million in dollar volume trades. A greater amount of the trading volume occurred on lit exchanges, at 59.9%, compared with 40.1% 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 +$127.4 million, however, the peak buy imbalance for the day occurred at 11:15 AM, when the net buy dollar volume was +$490.8 million. The largest spike in imbalance came between 11:00 AM and 11:15 AM when the buy pressure outweighed the sell pressure by a 2.7 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 $17.8 million. 20 of the Technology stocks had positive dollar balance, versus 23 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 751,105 shares. As of this afternoon, the average purchase price on buy volume was $132.01. The stock has rallied $3.37, indicating strength following the trade.