thetaOwl

Market Movers — Volume

Compared to prior trading day

Total Symbols: 20
Avg Change: +1108.9%
Most Active Sector: Healthcare
As of: Jul 2, 2026

Biggest Increase

#SymbolPriceVol ChangeAvg VolumeSector
1
FMSFresenius Medical Care AG
$23.53+6962.6%
6992
Healthcare
2
UTLUNITIL Corporation
$53.48+6073.8%
2593
Utilities
3
PSIXPower Solutions International,
$37.08+2519.4%
8251
Industrials
4
KOPKoppers Holdings Inc.
$46.21+1650.7%
2591
Basic Materials
5
FIGSFIGS, Inc.
$9.99+1519.0%
10135
Consumer Cyclical
6
CDXSCodexis, Inc.
$2.47+1150.0%
2150
Healthcare
7
SLDESlide Insurance Holdings, Inc.
$21.25+977.9%
2145
Financial Services
8
SIONSionna Therapeutics, Inc.
$43.99+838.0%
1679
Healthcare
9
GFLGFL Environmental Inc. Subordin
$37.48+710.5%
3388
Industrials
10
AARDAardvark Therapeutics, Inc.
$5.70+691.8%
483
Healthcare

Biggest Decrease

#SymbolPriceVol ChangeAvg VolumeSector
1
FBRTFranklin BSP Realty Trust, Inc.
$8.07-95.4%
387
Real Estate
2
BOCBoston Omaha Corporation
$15.09-94.1%
211
Industrials
3
DLODLocal Limited
$14.88-94.0%
9495
Technology
4
QNSTQuinStreet, Inc.
$15.82-93.3%
71
Communication Services
5
LEGLeggett & Platt, Incorporated
$11.94-92.5%
446
Consumer Cyclical
6
MAXMediaAlpha, Inc.
$13.43-91.7%
43
Communication Services
7
TROXTronox Holdings plc
$6.21-90.2%
801
Basic Materials
8
BNLBroadstone Net Lease, Inc.
$21.25-90.2%
80
Real Estate
9
OIO-I Glass, Inc.
$9.79-89.4%
1192
Consumer Cyclical
10
ENSGThe Ensign Group, Inc.
$168.22-85.5%
462
Healthcare
How to Use Volume Movers

Use volume movers to spot where options behavior changed the most on the close, then confirm whether the shift came with tradable liquidity and a clear catalyst.

Big changes in one options metric can be noisy or one-off, so always check the broader chain before acting.