Sorta. The problem is big corps do a lot of transactions in their account and can't predict when that $850k (or $850m) transfer is on the way in as their bank i

Sorta. The problem is big corps do a lot of transactions in their account and can't predict when that $850k (or $850m) transfer is on the way in as their bank is collapsing. And even debits can't always be predicted, but I doubt big payments are pre-authed like that. Not sure if a bank would be 100% protected if they had a script that checked their balance every minute and sent it to a MMF.