Convexity Adjustment

no problem at all.

Basically, you can use 50 or 0.5 it’s up to you because the formula can be as such:

(-effective duration * change in yield * 100) + (1/2 * convexity * (change in yield) ^ 2 * 100)
= (-6.4 * -0.75%) + (1/2 * 0.5 * -0.75%^2 )
= 4.8% + 0.25 * 0.5625%
= 4.8% + 0.1406%
= 4.94%

It’s the same on whether you want to use the *100 on 0.5 (to make it 50) or on 0.0075 (to make it 0.75%).

@NaidenB Schweser tells you to use the same scale as duration for convexity…. basically multiply convexity by 100