Curious about which S&P500 stocks are generating unusual volume on Thursday? Find out below.

Last update: Sep 11, 2025

Let's have a look at the S&P500 stocks with an unusual volume in today's session.

Top unusual volume stocks

Ticker	Change	Comment
SNPS	10.84%	10.01M shares of SYNOPSYS INC (NASDAQ:SNPS) exchanged hands today. The market is favoring SNPS today, as its share price records a notable increase of 10.84%. This is 375.0% above the average daily volume of the last 50 days.
ORCL	-4.34%	42.23M shares of ORACLE CORP (NYSE:ORCL) exchanged hands today. Shares are witnessing a downward movement, with a decrease of 4.34%. This is 191.0% above the average daily volume of the last 50 days. Earlier today the company had a press release: Absci Accelerates AI-Driven Drug Discovery with Oracle and AMD.
CNC	12.01%	24.05M shares of CENTENE CORP (NYSE:CNC) have been traded so far today. The share price of CNC increased by 12.01% today, reflecting positive market movement. The average volume over the last 50 days is 19.38M, making today's volume 24.06% above the average. This signifies a notable change in market participation. Two days ago the company had a press release: CENTENE ALERT: Bragar Eagel & Squire, P.C. is Investigating Centene Corporation on Behalf of Long-Term Stockholders and Encourages Investors to Contact the Firm.
MU	8.89%	38.83M shares of MICRON TECHNOLOGY INC (NASDAQ:MU) have been traded so far today. Leading to a price increase of 8.89%. The average daily volume over the past 50 days is 20.11M. Hence, the current volume is 93.07% above the average volume, indicating a deviation from the usual trading pattern.
KR	1.55%	So far 8.24M shares of KROGER CO (NYSE:KR) have traded in today's session. KR is advancing 1.55% today. In comparison to the average daily volume of the last 50 days, the current volume is 27.1% above. This suggests a notable change in trading activity.
DAL	-2.93%	The trading activity for DELTA AIR LINES INC (NYSE:DAL) has surged with a volume of 12.53M shares today. This decline in share price leads to a decrease of 2.93%. Today's trading volume is 40.99% above the average 50-day volume, indicating a significant deviation from the norm.