XRP tokens at the amount of 100 bln have been pre-mined initially, and just 38 bln are available in the market, the rest are in Ripple labs and can be periodically released. Bitcoin is not pre-mined at all, and the maximum supply is just 21 mln.
The XRP-BTC pair also currently shows an optimistic outlook. With a current price of more than 830 satoshis, XRP is entering a price zone that it hasn't touched since the beginning of August. And XRP traders have not seen a green candle of this size since May.