Market Movers — IV
Compared to prior trading day
Total Symbols: 20
Avg Change: +16.8%
Most Active Sector: Healthcare
As of: Aug 18, 2026
Biggest Increase ▲
| # | Symbol | Price | IV Change | IV Rank | Sector |
|---|---|---|---|---|---|
| 1 | CVCOCavco Industries, Inc. | $584.77 | +161.2% | 57 | Consumer Cyclical |
| 2 | AARDAardvark Therapeutics, Inc. | $6.14 | +88.9% | 717 | Healthcare |
| 3 | MVISMicrovision, Inc. | $1.79 | +87.6% | 103 | Technology |
| 4 | HUYAHUYA Inc. | $2.26 | +84.8% | 130 | Communication Services |
| 5 | VIVTelefonica Brasil S.A. | $11.29 | +69.6% | 163 | Communication Services |
| 6 | ADUSAddus HomeCare Corporation | $118.13 | +67.9% | 114 | Healthcare |
| 7 | ADPTAdaptive Biotechnologies Corpor | $24.56 | +66.0% | 361 | Healthcare |
| 8 | NMRANeumora Therapeutics, Inc. | $1.64 | +62.1% | 328 | Healthcare |
| 9 | ANGIAngi Inc. | $4.63 | +60.9% | 386 | Communication Services |
| 10 | AQSTAquestive Therapeutics, Inc. | $4.32 | +60.9% | 292 | Healthcare |
Biggest Decrease ▼
| # | Symbol | Price | IV Change | IV Rank | Sector |
|---|---|---|---|---|---|
| 1 | CXAICXApp Inc. | $4.26 | -97.4% | 7 | Technology |
| 2 | KMDAKamada Ltd. | $7.89 | -50.8% | 163 | Healthcare |
| 3 | AMLXAmylyx Pharmaceuticals, Inc. | $35.11 | -45.1% | 130 | Healthcare |
| 4 | ACICAmerican Coastal Insurance Corp | $9.51 | -45.0% | 61 | Financial Services |
| 5 | OXSQOxford Square Capital Corp. | $1.44 | -42.9% | 198 | Financial Services |
| 6 | GRFSGrifols, S.A. | $7.75 | -42.6% | 72 | Healthcare |
| 7 | AFYAAfya Limited | $13.55 | -39.5% | 61 | Consumer Defensive |
| 8 | ACETAdicet Bio, Inc. | $9.11 | -38.3% | 173 | Healthcare |
| 9 | LXEOLexeo Therapeutics, Inc. | $4.93 | -36.6% | 227 | Healthcare |
| 10 | DGIIDigi International Inc. | $81.04 | -35.6% | 72 | Technology |
How to Use IV Movers
Use iv 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.