Horizontal lines at certain percentage away from the open
I would like to have horizontal lines that I can specify which will be certain percentage away from the open. For example have multiple horizontal lines which will be 0.10%, 0.20% away from the open. Above and below
1
vote
![](https://secure.gravatar.com/avatar/fa616f253dae97f315929dbeecd8e594?size=40&default=https%3A%2F%2Fassets.uvcdn.com%2Fpkg%2Fadmin%2Ficons%2Fuser_70-6bcf9e08938533adb9bac95c3e487cb2a6d4a32f890ca6fdc82e3072e0ea0368.png)