Historical Anchoring as a Seasonal Price Floor

The user would like historical anchoring to function as a 'low water mark' or resistance floor based on the same calendar period from the previous year.

Instead of using a general reference point based on the number of days from today, the system should ensure that rates for a specific period (e.g., September) are anchored to the previous year's rates for that same period, preventing prices from dropping below a certain historical baseline.