変へん動どう率りつ

noun

volatility; rate of fluctuation; degree of variability

Technical term used in finance, statistics, and engineering to describe how much a value changes over time. The gloss 'regulation' is rare and may appear in older or specific technical contexts.

• この株かぶの変へん動どう率りつは非ひ常じょうに高たかい。

  The volatility of this stock is very high.

• 為替かわせレートの変へん動どう率りつを計けい算さんする。

  Calculate the rate of fluctuation of the exchange rate.