> its because you are measuring stable Gold in volatile fiat

You're defining gold to be stable, and fiat to be volatile. Well, fiat is volatile, but that doesn't make gold stable.

Gold (measured in dollars) nearly doubled over the last year. Does that mean that the dollar is worth only half what it was a year ago? No, it doesn't. (There's been some inflation, but not nearly 100%.)

Gold is down 10% since January 28th. Does that mean that the dollar is worth 10% more than it was on January 28th? No, it doesn't.

Gold is not as stable as you claim it is.