Equities have 32.5 regular trading hours a week. Onchain lending runs 168.
Price data doesn't stop outside those hours; 24/5 feeds exist and overnight venues trade. But regular hours carry the vast majority of volume, depth thins sharply once they end, and the primary markets sit closed all weekend. Information keeps arriving; reliable prices get harder to come by.
That gap tends to clear at Monday's open in one large step, and large single steps are what liquidation engines struggle with.
The price jump problem, in full: