Tap either name to swap in any company, coin or metal, and everything below updates as you pick.
One American Express share would cost
$29,616.04
$20.0T spread across 675.3M American Express shares.
This holds the unit count fixed and moves only the valuation, which is what makes it a clean illustration of relative size. It is not a forecast, a target, or a claim that either outcome is possible: assets of very different kinds rarely end up worth the same.