In How to calibrate a volatility surface using SVI, is said: "(log-moneyness would be more accurate) ".

First, why do we talk about "moneyness", is it a reference of "being in the money"?

Second, why moneyness instead of strike ? Is it in order to remind that we are not talking about a defined strike priced but we are talking about a scaled striked i.e. moneyness?


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