Following Big Money Trades in S&P 500 Stocks

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By Dmitry Pargamanik

S&P 500 has seen increased institutional buying: Buy Imbalance sits at +$369.6 million

Following the Big Money in S&P 500 Stocks

So far in trading today, the S&P 500 ETF is down 0.5%. SPY stock last traded at $404.42. Large volume bursts in S&P 500 stocks reached 22.2 million shares worth a total of $2.6 billion in transactions. There was notable buy pressure in the Technology and Health Care sectors. Overall, buy volume pressure exceeded sell volume pressure by a 1.4 to 1 ratio. There were 97 stocks that had more buy pressure on balance, and 82 stocks that had more sell pressure from large institutions. As a whole, there was a net positive +$369.6 million in dollar volume trades. A greater amount of the trading volume occurred on lit exchanges, at 55.2%, compared with 44.8% 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 of +$369.6 million occurred at 2:15 PM. This also represented the peak buy imbalance for the day. The lowest cumulative sell imbalance occurred at 9:45 AM, when the net sell reached -$49.0 million. The largest spike in imbalance came between 2:00 PM and 2:15 PM when the buy pressure outweighed the sell pressure by a 6.6 to 1 ratio.

Flow by Sector

Technology had the most dollar volume bursts of all the SPDR sectors, with buy dollar volume exceeding sell dollar volume by $173.6 million. 20 of the Technology stocks had positive dollar balance, versus 12 that were net negative.

Individual Stocks

AMD stock had the single biggest volume burst activity of all the S&P 500 stocks. Buy volume bursts outpaced sell volume by 635,124 shares. As of this afternoon, the average purchase price on buy volume was $80.67. The stock price increased $6.88, indicating strength following the trade.