# DvegaDtime

> English word · Noun

## Definitions
1. A second-order measure of derivative price sensitivity, expressed as the rate of change of vega with respect to time, or equivalently the rate of change of theta with respect to changes in the volatility of the underlying asset.

## Etymology
From the mathematical formula (∂𝒱)/(∂τ), the partial derivative of vega (𝒱) with respect to time (τ), pronounced as "D vega (by) D time".

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/dvegadtime