deletions | additions       diff --git a/untitled.md b/untitled.md  index a5951e3..8a055cf 100644  --- a/untitled.md  +++ b/untitled.md 
...
Before delving into the topic of discrete rebalancing, I describe the trading policy induced by cppi products. I stay within the context of the two assets model, i.e. cash (with zero interest rate) plus a risky asset. As usual, the risky asset is initialized with price \(p=1\).  Consider a portfolio which trades so as to keep the proportion of risky asset at \(0 \lt \pi \lt 1\). A cppi overlay consists in protecting a certain level \(\underline{p}\)