Noun
veta (uncountable)
(finance) 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.
The D&RG also pushed west from Walsenburg, Colorado over La Veta Pass (now "Old La Veta Pass") by 1877. Source: Internet