Big Money Stock Flow in S&P 500

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By Dmitry Pargamanik

S&P 500 is showing signs of institutional selling: Sell Imbalance reaches -$224.8 million

Following the Big Money in S&P 500 Stocks

So far in trading today, the S&P 500 ETF is down 1.1%. SPY stock last traded at $390.20. Large volume bursts in S&P 500 stocks reached 32.6 million shares worth a total of $3.5 billion in transactions. There was notable buy pressure in the Technology and Consumer Staples sectors. Overall, sell volume pressure exceeded buy volume pressure by 14.6%. There were 105 stocks that had more buy pressure on balance, and 104 stocks that had more sell pressure from large institutions. As a whole, there was a net negative -$224.8 million in dollar volume trades. A greater amount of the trading volume occurred on lit exchanges, at 60.6%, compared with 39.4% 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 sell imbalance is -$224.8 million, however, the furthest sell imbalance for the day occurred at 12:00 PM, when the net sell dollar volume was -$338.9 million. The highest cumulative buy imbalance occurred at 10:15 AM, when the net buy hit +$114.1 million. The largest spike in imbalance came between 10:30 AM and 10:45 AM when the sell pressure surpassed the buy pressure by a 3.6 to 1 ratio.

Flow by Sector

Technology had the highest amount of dollar volume bursts of all the SPDR sectors, with buy dollar volume exceeding sell dollar volume by $221.9 million. 25 of the Technology stocks had positive dollar balance, versus 13 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 surpassed buy volume by 1.3 million shares. As of this afternoon, the average trade price on sell volume was $180.29. The stock has fallen $4.51, indicating weakness following the trade.