# CFA Formulas App

Using this app, you can learn your CFA level 1 & level 2 formulas anytime and anywhere. Now – the Formulas App is in its trial mode – which means only a few formulas get generated. To gain unlimited access to our Free CFA Formulas App you need to set up your account.

## Free CFA Formulas Appinside Your Free Personalized Study Plan:

(4 mini-steps only)

Price change of a bond (modified duration + convexity)
Click to show formula

$\Delta P(\%) = -ModD\times\Delta r + 0.5\times{C} \times (\Delta r)^2$

• $\Delta P(\%)$ - percentage change in bond price
• $ModD$ - modified duration
• $C$ - convexity
• $\Delta r$ – yield change
• $0.5\times{C} \times (\Delta r)^2$ - convexity adjustment