When you put money on something, you shouldn't expect that kind of price right away. Calculating from its current circulating supply, from the $4B market cap it needs to raise up to $133B in order to reach the price of $100.

Is it sound realistic? Maybe yes, maybe no. Depends on their development and market hype.

What matters here is, your portfolio is establishing gains over time. Just continue buying that coin at a reasonable price based on your view.