Let's say I have 2.1 BTC And I don't spend it. Will it go up a few cents if I save it? Cause in my wallet I have up to about 50 cents worth of bitcoin. I started up with 13 cents 7 months ago. Now all of sudden I have bitcoins worth 50 cents. What do you call this? I only made that one 13 cent deposit. Nothing else!
The most used terms are saving and holding. Occasionally, in certain scenarios, you could call it investing too.
Bitcoin price varies according to different circumstances and you will end up having a constantly different amount of Fiat in your wallet. Moreover, it is to be noted that fiat price also varies too. Thus you can make nice profits it you hold Bitcoin.
Furthermore, a 37 cent increase would and is a really small profit, but if your starting balance had been higher you could have reaped bigger rewards and profits.