The Russian Ruble's recent strength, fueled by soaring oil prices, is a temporary phenomenon, according to Commerzbank's Tatha Ghose. While the central bank's shift in EUR/RUB pricing mechanisms might seem like a strategic move, it's more of a stopgap solution due to sanctions. The real question is whether this oil-driven boost can sustain the ruble's recovery. Ghose argues that the USD/RUB exchange rate is still ill-defined, making it difficult to rely on oil exports as a stable anchor. The recent surge in oil prices, with Urals averaging around $90 per barrel in April-May, has indeed propped up the ruble. However, this is a fleeting benefit, as Ghose predicts oil prices will decline by year-end, mirroring the economy's weakening grip on the currency. The ruble's fate, then, remains tied to the volatile oil market, leaving investors and economists alike to ponder the currency's long-term prospects.