It would be a store of value if the price wouldn't be so volatile as it is right now.
But actually, the price is moving between $1500 and $2000 a day (in both sides; down; up)
So it makes it impossible to be a way to hold money
BTC is mined in a predictable and steady manner. Fiat is inconsistent by nature so this is a moot point. Fiat is not money and should not be used for measuring anything.