# IV expansion from a low base

Canonical: https://halfonadouble.com/screens/iv-expansion-low-base
Data through: 2026-09-22 close
Publisher: Half on a Double

Where has implied volatility begun rising while remaining low against its own history?

Constant-maturity IV rising from a historically low level, with price or option-activity confirmation. Further expansion must overcome option decay and trading costs.

Results unavailable: The research publication and this page have different dates. Results are withheld until they agree. This is not a zero-match result.

[Definitions and limitations](https://halfonadouble.com/methodology.md).