S&P 500: Large Volume Trades in Focus

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By Dmitry Pargamanik

S&P 500 has seen increased institutional buying: Buy Imbalance hits +$416.4 million

Following the Big Money in S&P 500 Stocks

So far in trading today, the S&P 500 ETF is up 1.0%. SPY stock last traded at $399.41. Large volume bursts in S&P 500 stocks reached 32.5 million shares worth a total of $3.1 billion in transactions. There was notable buy pressure in the Technology and Consumer Discretionary sectors. Overall, buy volume pressure exceeded sell volume pressure by a 1.3 to 1 ratio. There were 119 stocks that had more buy pressure on balance, and 73 stocks that had more sell pressure from large institutions. As a whole, there was a net positive +$416.4 million in dollar volume trades. A larger portion of the trading volume matched up in the dark pool, with 50.6% of the large volume transactions being made off-exchange, while only 49.4% was traded on lit exchanges. 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 +$416.4 million, however, the peak buy imbalance for the day occurred at 12:45 PM, when the net buy dollar volume was +$489.7 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 9.5 to 1 ratio.

Flow by Sector

Consumer Discretionary had the most dollar volume bursts of all the SPDR sectors, with buy dollar volume exceeding sell dollar volume by $87.3 million. 15 of the Consumer Discretionary stocks had positive dollar balance, versus 8 that were net negative.

Individual Stocks

TSLA stock had the single biggest volume burst activity of all the S&P 500 stocks. Sell volume bursts outpaced buy volume by 88,842 shares. As of this afternoon, the average trade price on sell volume was $191.82. Even though the sell pressure has been significant, the stock price has risen $1.78 on the day.