Elixir determines this ratio based on the following:
OCF 100% of high water mark:
deUSD composition:...80% -> long basis yield
20% -> sDAI / other yielding stables
OCF 90% of high water mark:
deUSD...composition:
70% -> long basis yield
30% -> sDAI / other yielding stables
OCF reaches 80% of high water mark...