This is an enhancement which would be very simple to add and would allow users to easily generate charts over the last 2 years without having to select Custom Dates and enter all of the dates manually.
The reason for this request is that a user may want to see, for example, the LY performance of their investments for the upcoming months. If they're currently looking at Aug 2026, they may like to have a quick glance and how their investments performed Sep-Dec 2025.
Providing a "Last 24 months" option in the list should be an incredibly simple add.