Rising open interest in XRP has crypto watchers optimistic that the crypto’s protracted downtrend is nearing its end.XRP's open interest recently jumped to over $1 billion, leading to speculations over a possible price jump.Ripple's upcoming RLUSD stablecoin being tested on the XRP Ledger and Ethereum is a key development driving the optimism.XRP's price has gained 2.2% in 24 hours while Bitcoin rebounded, but both cryptocurrencies have experienced declines over the past week.