In the high yield currencies a nice bet could to be USDRUB or EUR RUB ( short obviously) because the Ruble have an high correlation with the oil price . In fact when the oil price fell from 105 to 29(-72%) the USDRUB went up by 130% ! From then the oil have recovered by 150% while the pair only 20% . So the pair have still an high margin of improvement ( without consider the positive overnight swap)