They are actually worth that amount if they hold them though.
They are worth one 2033 dollar or 0.7 2023 dollar. 2033 dollar and 2023 dollar should be considered two different currencies. The bonds are pegged to 2033 dollars but customers want 2023 dollars, and when dominated in 2023 dollars the bonds are devaluing like shit.
>The book value was predicated on holding the assets to maturity.
That is an accounting practice; it has no bearing on the actual value of the asset. The same is true with calculating cost of goods sold; you can actually choose to use LIFO or FIFO costing to alter the accounting value of your inventory for tax purposes and such. Look up "LIFO liquidation" to see an example of what I mean.
Using generally accepted accounting principles, you have some room to conceal extra value or loss on your balance sheet. But the cash flows don't lie.
They are worth one 2033 dollar or 0.7 2023 dollar. 2033 dollar and 2023 dollar should be considered two different currencies. The bonds are pegged to 2033 dollars but customers want 2023 dollars, and when dominated in 2023 dollars the bonds are devaluing like shit.