You are an options trader who is bullish on a dramatic jump…

Questions

Yоu аre аn оptiоns trаder who is bullish on a dramatic jump (up or down) in the price of the underlying asset. However, you are concerned that the sensitivity of your option's price to the jump of the underlying's price will decay quickly. Therefore, you decide to calculate a new option greek, which you name "color," which measures how the sensitivity changes over time. How would you find a formula for color?