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

Last update: Oct 30, 2025

Let's take a closer look at the S&P500 stocks with an unusual volume in today's session on Thursday. Stay informed about the market activity below.

Top unusual volume stocks

Ticker	Change	Comment
FI	-6.36%	38.6M shares of FISERV INC (NYSE:FI) have been traded so far today. The share price has dropped by 6.36% in today's session. With an average volume of 6.33M over the past 50 days, the current volume is 510.0% above the average. This deviation signals a potential shift in market dynamics. A press release (Fiserv Announces Transfer of Stock Exchange Listing to Nasdaq) was released yesterday.
ARE	-2.77%	The trading activity for ALEXANDRIA REAL ESTATE EQUIT (NYSE:ARE) has surged with a volume of 3.84M shares today. This decline in share price leads to a decrease of 2.77%. The average volume over the last 50 days is 1.79M, making today's volume 115.0% above the average. This signifies a notable change in market participation.
GNRC	-7.55%	GENERAC HOLDINGS INC (NYSE:GNRC) has an unusual volume of 1.34M shares. GNRC is declining 7.55% today. Today's trading volume is 27.31% above the average 50-day volume, indicating a significant deviation from the norm.
CPT	1.95%	CAMDEN PROPERTY TRUST (NYSE:CPT) has an unusual volume of 1.13M shares today. The share price increased by 1.95%. This is 24.38% above the average daily volume of the last 50 days.
VRSK	4.14%	2.12M shares of VERISK ANALYTICS INC (NASDAQ:VRSK) have been traded so far today. The market is favoring VRSK today, as its share price records a notable increase of 4.14%. The average volume over the last 50 days is 1.26M, making today's volume 68.91% above the average. This signifies a notable change in market participation. Yesterday the company had a press release: Verisk Reports Third-Quarter 2025 Financial Results.
HOLX	0.07%	3.84M shares of HOLOGIC INC (NASDAQ:HOLX) have been traded so far today. The share price of HOLX increased by 0.07% today, reflecting positive market movement. This is 36.26% above the average daily volume of the last 50 days.
SW	-3.51%	5.88M shares of SMURFIT WESTROCK PLC (NYSE:SW) have been traded so far today. This decline in share price leads to a decrease of 3.51%. This is 28.62% above the average daily volume of the last 50 days. Yesterday the company had a press release: Smurfit Westrock Reports Third Quarter 2025 Results.
CPAY	-2.07%	1.04M shares of CORPAY INC (NYSE:CPAY) have been traded so far today. Shares are falling by 2.07%. With an average daily volume of 414.3K over the past 50 days, today's volume is 150.0% above the average, indicating a potential shift in market sentiment.
MAA	2.21%	The trading volume of MID-AMERICA APARTMENT COMM (NYSE:MAA) today is 1.32M shares, which is considered unusual. The share price increased by 2.21%. The average daily volume over the past 50 days is 813.08K. Hence, the current volume is 62.23% above the average volume, indicating a deviation from the usual trading pattern.
ICE	-0.6%	So far 4.26M shares of INTERCONTINENTAL EXCHANGE IN (NYSE:ICE) have traded in today's session. The share price experienced a decrease of 0.6%. Today's trading volume is 23.34% above the average 50-day volume, indicating a significant deviation from the norm. yesterday the company released their earnings. Earlier today the company had a press release: Intercontinental Exchange Approves Fourth Quarter Dividend of $0.48 per Share.

To see the full list of unusual volume stocks you can use our unusual volume stocks screener.