My money at VMFXX is almost entirely composed of safe Fed Repos with average maturity of 2-weeks. VUSXX is mostly Treasury Bills, again of maturity averaging like 2-weeks. My money at SWVXX is composed of AAA-rated bank notes, of similar 2-weeks-ish maturity average.
The idea of a bank, like SIVB, being composed of largely 30-year mortgages and 10Y or 30Y Treasury Bonds is insane. The bank deserves to die after taking such high duration risks. There should be _NO_ bailout. I can barely believe a bank was so stupid to keep customer deposits backed by something so risky.
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We've been preparing our financial system for the last 15 years (since 2008) for the next financial storm. We've got "stress tests" to see that various banks have severed contamination between each other, at least in theory. Lets see how good our preparations have held up.
No point giving up and bailing things out before we've even tested our new financial system regulations. We can afford to let some banks go under. Only if the contagion has a chance of spreading everywhere should we consider the last-ditch effort of a bailout.