The formula to calculate the forward PEG ratio (PEG) is:
\[ PEG = \frac{PE}{G} \]
Where:
Let's say the forward price-to-earnings ratio (PE) is 15 and the expected earnings growth rate (G) is 10%. Using the formula:
\[ PEG = \frac{15}{10} \]
We get:
\[ PEG = 1.5 \]
So, the forward PEG ratio is 1.5.