Investing - Theory, News & General • Re: Why the 30-day T-bill earns its sobriquet as the risk-free rate

Here is a projection of how the value of the purchase will appreciate over the 30-day term

Shouldn't you be using 4 weeks (i.e. 28 days) since that is how they are actually sold?

Regards,

Statistics: Posted by retired@50 — Thu Sep 17, 2026 8:52 am