Technically, it opens 1 hour early for some guests but 5 coasters are run for the hour. Then all the other rides open. So no, rides are always running when the park is open.
it opens at 10:00 am but if u have a platinum pass u can get in at 9:00u can also get in at 9 if u stay at one of cedar points recommended hotels which u can see which ones they are by going to...