How to Lock the Scale on MT5 (Windows)
By default, the price scale on MT5 charts automatically adjusts based on visible price movements, but you can lock it to a specific price range.
How to Lock the Scale by Price
Right-click on the chart and select "Properties."
In the "Common" tab of the Properties window, check "Fix scale" and specify the price range you want to display.
How to Set the Scale to 1:1
In the "Common" tab of the Properties window, check "Fix scale to 1:1" to lock the horizontal axis (time) and vertical axis (price) at a 1:1 ratio.
How to Adjust the Display Position with a Fixed Scale
When the scale is locked, a scrollbar will appear on the price scale. You can adjust the display position by moving the scrollbar up and down.
*The thicker line on the price scale is the scrollbar.
