lead-lags

Noun

lead-lag (usually uncountable, plural lead-lags)

1. (attributive, often, usually) A cross-correlation of one leading variable with the values of another lagging variable at later times.
   • Some of these studies, based on behavioural finance, state that the information diffusion process is relevant in the predictability of stock prices. The rate of reaction to news plays an important role in the lead-lag effect.2017 July 26, María Isabel Cambóna, Maria Andreea Vaduva, “Lead-lag patterns in the Spanish and other European equity markets”, in The Spanish Review of Financial Economics, volume 15, number 2...
2. (usually) In helicopters, the movement of main rotor blades in the plane of rotation due to the inward and outward shifting of their centres of gravity as they flap up and down.