Escalate already means move up, but has a clumsy opposite (de-escalate, I believe). Maybe descalator and escalator would be an alternative. However, ups- and do

Escalate already means move up, but has a clumsy opposite (de-escalate, I believe). Maybe descalator and escalator would be an alternative. However, ups- and downs- is better, plus you always get points for coining new words.