# Ruler Pair Rollover Schedule

If a collateral is not delisted, it will be rolled over to the next expiry following the following timeline.

* The Ruler Pair for the new expiry will be created **2-5 days** before the end of the expiry.
* The rewards for the new expiry will start **exactly 2 days** (48 hours) before the end of the expiry. There maybe a gap of **no more than 8 hours** of no rewards). There may also be some rewards overlapping time.
