It will never move from 5496 to 5497. As a matter of fact in this notation 5497 does not exist. The increments are in 1/4 cents (minimum move up or down $12.50), so in this notation you can only see 0, 2, 4, or 6 as last digit. A move from 5496 to 5506 is a move of 1 cent, so you are correct...