The filter accepts tickets that produce History differences in selected Levels lower or greater than the History differences in selected past draws.
For example the History differences of the latest draw in the demo Expert Lotto 6/49 lottery are +13, -14, -27, +17, +3, +8, +12, -5, +23, +11 and +31 in Levels 0 to 11.
When the filter settings are Winning Numbers: 10 latest draws, Level 0: decrease, Level 1: decrease, Level 2: decrease, Level 3: decrease, Level 4: decrease, Level 5: decrease, Level 6: decrease, Level 7: decrease, Level 8: decrease, Level 9: decrease, Level 10: decrease, At least 11 to 11 levels must pass then the filter will select 475 tickets from the full wheel. All these tickets will produce History differences lower than 13 in Level 0, lower than -14 in Level 1 etc.
See also History Differences Movement statistics and History Sums Movement filter.