Not an exact answer to your question, but see this post on the Bogleheads wiki regarding Vanguard - https://www.bogleheads.org/wiki/Vanguard_safety https://www.

Not an exact answer to your question, but see this post on the Bogleheads wiki regarding Vanguard - https://www.bogleheads.org/wiki/Vanguard_safety https://www.bogleheads.org/wiki/Vanguard_safety