A modeler noticed their framework said a preferred stock's notional outstanding should be $10.512B while the issuer's own website showed $10.489B — a $23M gap. That gap is a lesson in how notional value actually works. Build the tower yourself: notional = shares outstanding × stated (liquidation) amount. Then introduce the real-world frictions that make two honest sources disagree.
Q: A $23M gap on $10.5B is what % discrepancy?
shares × stated amount — the base used for dividends and liquidation preference. A $100-stated preferred paying 9% yields $9.00/share/year regardless of where it trades.