Following Big Money Trades in S&P 500 Stocks


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By Dmitry Pargamanik

S&P 500 is showing signs of institutional buying: Buy Imbalance sits at +$385.9 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 $398.99. Large volume bursts in S&P 500 stocks reached 27.7 million shares worth a total of $3.5 billion in transactions. There was notable buy pressure in the Consumer Staples and Communication Services sectors. Overall, buy volume pressure outpaced sell volume pressure by a 1.3 to 1 ratio. There were 104 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 +$385.9 million in dollar volume trades. A larger portion of the trading volume matched up in the dark pool, with 62.9% of the large volume transactions being made off-exchange, while only 37.1% 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 +$385.9 million, however, the peak buy imbalance for the day occurred at 1:00 PM, when the net buy dollar volume was +$397.0 million. The largest spike in imbalance came between 11:30 AM and 11:45 AM when the buy pressure outweighed the sell pressure by a 3.8 to 1 ratio.

Flow by Sector

Technology experienced the most dollar volume bursts of all the SPDR sectors, with buy dollar volume exceeding sell dollar volume by $81.7 million. 18 of the Technology stocks had positive dollar balance, versus 14 that were net negative.

Individual Stocks

PM stock had the single biggest volume burst activity of all the S&P 500 stocks. Buy volume bursts exceeded sell volume by 3.2 million shares. As of this afternoon, the average purchase price on buy volume was $103.33. The stock has rallied $1.94, indicating strength following the trade.