I think a better term would just be “rise in asset prices/values,” or “asset appreciation.” You can add “in real terms” to clarify after inflation. It more acc

I think a better term would just be “rise in asset prices/values,” or “asset appreciation.” You can add “in real terms” to clarify after inflation. It more accurately conveys the fact that 1) the assets are increasing in value, compared to a basket of goods or the USD; and 2) doesn’t imply that the asset is a currency.