S&P 500 has seen increased institutional selling: Sell Imbalance hits -$392.8 million
Following the Big Money in S&P 500 Stocks
So far in trading today, the S&P 500 ETF is down 0.8%. SPY stock last traded at $558.86. Large volume bursts in S&P 500 stocks reached 30.5 million shares worth a total of $4.6 billion in transactions. There was notable buy pressure in the Technology and Financial sectors. Overall, sell volume pressure exceeded buy volume pressure by a 1.2 to 1 ratio. There were 104 stocks that had more buy pressure on balance, and 111 stocks that had more sell pressure from large institutions. As a whole, there was a net negative -$392.8 million in dollar volume trades. A larger portion of the trading volume matched up in the dark pool, with 55.1% of the large volume transactions being made off-exchange, while only 44.9% 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 sell imbalance is -$392.8 million, however, the furthest sell imbalance for the day occurred at 1:45 PM, when the net sell dollar volume was -$419.6 million. The highest cumulative buy imbalance occurred at 9:45 AM, when the net buy hit +$123.0 million. The largest spike in imbalance came between 9:45 AM and 10:00 AM when the sell pressure surpassed the buy pressure by a 6.2 to 1 ratio.
Flow by Sector
Technology had the largest dollar volume bursts of all the SPDR sectors, with buy dollar volume exceeding sell dollar volume by $164.8 million. 20 of the Technology stocks had positive dollar balance, versus 16 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 exceeded buy volume by 358,495 shares. As of this afternoon, the average trade price on sell volume was $273.75. The stock has fallen $6.90, indicating weakness following the trade.

