Unusual volume S&P500 stocks in Thursday's session

Last update: Aug 7, 2025

In today's session, there are S&P500 stocks with remarkable trading volume. Explore the stocks exhibiting unusual volume in Thursday's session.


unusualvolume

Top unusual volume stocks

TickerChangeComment
VRTX-0.93%The trading activity for VERTEX PHARMACEUTICALS INC (NASDAQ:VRTX) has surged with a volume of 1.9M shares today. VRTX is showing a decline of 0.93% in today's trading. The current trading volume is 24.45% above the average 50-day volume. This indicates a significant deviation from the average trading activity.
IT-4.42%GARTNER INC (NYSE:IT) has an unusual volume of 1.24M shares. Shares are falling by 4.42%. The average volume over the last 50 days is 1.01M, making today's volume 22.81% above the average. This signifies a notable change in market participation.
PANW-3.98%PALO ALTO NETWORKS INC (NASDAQ:PANW) has an unusual volume of 7.97M shares today. This decline in share price leads to a decrease of 3.98%. The average volume measured over 50 days is 6.45M, so this is 23.65% above the average volume.
MKTX-0.73%MARKETAXESS HOLDINGS INC (NASDAQ:MKTX) has an unusual volume of 552.46K shares. MKTX is showing a decline of 0.73% in today's trading. This is 22.29% above the average daily volume of the last 50 days. A press release (MarketAxess Reports Second Quarter 2025 Financial Results) was released yesterday.
ABNB-8.85%Today, AIRBNB INC-CLASS A (NASDAQ:ABNB) stands out with a high volume of 9.51M shares. The current market conditions have led to a price decrease of 8.85% for ABNB. The current trading volume is 109.0% above the average 50-day volume. This indicates a significant deviation from the average trading activity.
MCK-6.6%MCKESSON CORP (NYSE:MCK) has an unusual volume of 1.16M shares today. The share price experienced a decrease of 6.6%. The average daily volume over 50 days is 719.92K, so this is 60.65% above the average volume.
EPAM4.75%1.46M shares of EPAM SYSTEMS INC (NYSE:EPAM) exchanged hands today. Investors in EPAM are enjoying a price surge of 4.75% today, indicating bullish market sentiment. The average volume measured over 50 days is 729.8K, so this is 101.0% above the average volume. The company's earnings where released Yesterday.
AMD4.82%66.46M shares of ADVANCED MICRO DEVICES (NASDAQ:AMD) exchanged hands today. The price of AMD has increased by 4.82%, indicating upward momentum in the market. With an average volume of 54.9M over the past 50 days, the current volume is 21.05% above the average. This deviation signals a potential shift in market dynamics. A press release (AMD Reports Second Quarter 2025 Financial Results) was released two days ago.
PAYC7.4%740.19K shares of PAYCOM SOFTWARE INC (NYSE:PAYC) have been traded so far today. PAYC is advancing 7.4% today. In comparison to the average daily volume of the last 50 days, the current volume is 23.59% above. This suggests a notable change in trading activity. A press release (Paycom Software, Inc. Reports Second Quarter 2025 Results) was released yesterday.
FTNT-25.07%The trading activity for FORTINET INC (NASDAQ:FTNT) has surged with a volume of 33.12M shares today. The share price decreased by 25.07%. The average daily volume over the past 50 days is 4.38M. Hence, the current volume is 655.0% above the average volume, indicating a deviation from the usual trading pattern. Yesterday the company had a press release: Fortinet Reports Second Quarter 2025 Financial Results.

For the full unusual volume stocks list go to our unusual volume stocks screener.

MARKETAXESS HOLDINGS INC

NASDAQ:MKTX (1/23/2026, 8:19:45 PM)

After market: 171.52 0 (0%)

171.52

-0.14 (-0.08%)


VERTEX PHARMACEUTICALS INC

NASDAQ:VRTX (1/23/2026, 8:00:02 PM)

After market: 466.5 -1.91 (-0.41%)

468.41

+1.06 (+0.23%)


MCKESSON CORP

NYSE:MCK (1/23/2026, 8:14:51 PM)

After market: 820.23 0 (0%)

820.23

+3.18 (+0.39%)


GARTNER INC

NYSE:IT (1/23/2026, 8:06:24 PM)

After market: 231.76 0 (0%)

231.76

-5.36 (-2.26%)


ADVANCED MICRO DEVICES

NASDAQ:AMD (1/23/2026, 8:00:00 PM)

Premarket: 257.14 -2.54 (-0.98%)

259.68

+5.95 (+2.35%)


FORTINET INC

NASDAQ:FTNT (1/23/2026, 8:00:00 PM)

Premarket: 81.44 -0.2 (-0.24%)

81.64

+4.02 (+5.18%)


EPAM SYSTEMS INC

NYSE:EPAM (1/23/2026, 8:04:00 PM)

After market: 218.21 0 (0%)

218.21

-0.84 (-0.38%)


PALO ALTO NETWORKS INC

NASDAQ:PANW (1/23/2026, 8:00:02 PM)

Premarket: 179.9 -0.28 (-0.16%)

180.18

-2.09 (-1.15%)


PAYCOM SOFTWARE INC

NYSE:PAYC (1/23/2026, 8:04:00 PM)

After market: 151.5 -0.79 (-0.52%)

152.29

-0.28 (-0.18%)


AIRBNB INC-CLASS A

NASDAQ:ABNB (1/23/2026, 8:00:00 PM)

Premarket: 131.67 -0.48 (-0.36%)

132.15

-1.65 (-1.23%)



Find more stocks in the Stock Screener

Follow ChartMill for more
Follow us on StockTwitsFollow us on InstagramFollow us on FacebookFollow us on YouTube