Price index 12 m (months) = Current share price / Share price 12 months ago.
It's a ratio that shows the return of a share price over a past period.
Dividends are included (added) to the price index calculation.
What the values mean
A value greater than one shows that there's been a price increase, whereas a value of less than one shows that there has been a price decrease.
How to use the ratio
Available as a screening ratio: Yes
Available as an output column ratio: Yes
How to select companies with the best momentum
To find companies with the best momentum (largest stock price increase over 12 months or one year) set the slider from 0% to 10%.
To find companies with the worse momentum (largest stock price fall over 12 months or one year) set the slider from 90% to 100%.
Read more about momentum investing
You can read more about momentum investing here: 10 myths about momentum investing, squashed