Incremental refresh: ability to load only new and updated data instead of re-processing entire dataset. This would be be an option when extending end-dates assuming no change to other backtest settings. Advantages are faster test updates for users, and reduced system loading.

Scheduled Refresh: allow users to tag a certain number of key backtests to keep up to date (via automatic overnight incremental refresh). Advantages are user convenience and time saved, and ability to run tests during low-traffic periods.