Few days ago was the time to buy, during the dip.
A business man once said, "once you've seen a bandwagon, it's already to late" (to join).
The price is falling, and people would be scrambling to get out and shift to BTC.
XRP has gained a lot in last few days, what's going on with it? Can it go further up or can it match BTC in 24h volume?
The price of currencies change rapidly. And when trading you need to act quickly to make profits from market movements.
Make your analysis using available tools.