How much is 100 magic in usd?

I'm curious, could you clarify for me the value of 100 magic tokens in terms of United States Dollars? Is there a set exchange rate or does it fluctuate based on market conditions? Additionally, how would one go about converting their magic tokens into USD, and what fees or charges might be involved in the process? Understanding these details would be invaluable in determining the true worth of 100 magic tokens.