The ruble's longest stretch of weekly drops in more than a year forced Russia to spend more than $13 billion on interventions this month amid a bear market in oil, the nation's main export earner.
Russia's War Against Ukraine
Bloomberg: Ruble interventions top 13 billion dollars after worst rout in year
A woman walks under a board listing foreign currency rates against the Russian ruble, outside an exchange office in central Moscow, on Oct. 13, 2014.
