Russian CPI (Aug MM) -0.1% vs. Exp. -0.1% (Prev. 0.5%)

August deflation in Russia is a well-established seasonal, driven by the harvest effect on fruit and vegetable prices and administered tariff timing, and a small negative month-on-month reading in this month has historically said little about underlying momentum; the annual rate and core measures carry the information. The transmission runs through the central bank's reaction function: Russian policy has tended to be set off the trend in core and food inflation ex-seasonals, with the key rate path and the rouble's sensitivity to rate differentials the channels that matter, alongside the oil link via fiscal receipts. Worth noting is that in past episodes of elevated Russian inflation, sequential prints around or above half a percent have kept the central bank hawkish even when headline monthly readings dipped negative on seasonality. The follow-ons are the weekly prints that precede the monthly release, the core and food components when the breakdown publishes, and whether the central bank's guidance ahead of its next decision treats this as disinflation or as seasonal noise. As a data point that matched consensus, the read is confirmatory rather than corrective.