SPY: Large Volume Trades and Price Impact


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S&P 500 is showing signs of institutional buying: Buy Imbalance hits +$650.5 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 $680.90. Large volume bursts in S&P 500 stocks reached 37.8 million shares worth a total of $6.5 billion in transactions. There was notable buy pressure in the Technology and Consumer Discretionary sectors. Overall, buy volume pressure outpaced sell volume pressure by a 1.2 to 1 ratio. There were 134 stocks that had more buy pressure on balance, and 117 stocks that had more sell pressure from large institutions. As a whole, there was a net positive +$650.5 million in dollar volume trades. A greater amount of the trading volume occurred on lit exchanges, at 63.0%, compared with 37.0% 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 +$650.5 million, however, the peak buy imbalance for the day occurred at 11:00 AM, when the net buy dollar volume was +$785.7 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 5.3 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 $304.2 million. 29 of the Technology stocks had positive dollar balance, versus 13 that were net negative.

Individual Stocks

INTC stock had the single biggest volume burst activity of all the S&P 500 stocks. Buy volume bursts exceeded sell volume by 2.7 million shares. As of this afternoon, the average purchase price on buy volume was $42.27. The stock has rallied $3.03, indicating strength following the trade.

Market Data Delayed 15 Minutes