The Russian ruble slumped previous 100 per U.S. greenback on Monday, its lowest degree since March 2022, the month after President Vladimir V. Putin launched Moscow’s full-scale invasion of Ukraine.

Because the foreign money weakened, the Russian central financial institution issued an announcement to the information company Interfax saying there was “no menace to monetary stability,” however that it might take into account elevating rates of interest at its coming conferences.

The ruble is down by greater than 25 % towards the greenback because the begin of the yr. Its decline has led to fears of rising inflation and prompted Kremlin cheerleaders to lash out on the nation’s monetary authorities in state media.

Maksim S. Oreshkin, an financial adviser to Mr. Putin, wrote in an opinion column for the Russian state information company Tass on Monday that the “essential supply of ruble weakening and inflation acceleration is unfastened financial coverage,” and that the Russian central financial institution had “all the required instruments to normalize the state of affairs within the close to future.”

“A weak ruble complicates the restructuring of the economic system and negatively impacts the true incomes of the inhabitants,” he wrote. “A robust ruble is within the pursuits of the Russian economic system.”

Final week Vladimir Solovyov, a commentator on Russian tv who champions the Kremlin, mentioned the falling worth of the ruble was a topic of worldwide mockery.

On Thursday, in a transfer to bolster the ruble, Russia’s central financial institution mentioned it might halt its purchases of international foreign money for the rest of the yr.

On Monday, it adopted that up with an announcement to Interfax saying that it “admits the opportunity of elevating the important thing fee on the subsequent conferences.” Final month, the central financial institution raised its benchmark rate of interest by a full share level, to eight.5 %. It was the primary massive improve in additional than a yr. Its subsequent assembly is in September.

Russia’s annual fee of inflation reached 4.3 % in July, and the central financial institution forecast that it may rise to as excessive as 6 % by the tip of the yr.

The issues over the ruble and inflation are the newest squall of monetary volatility unleashed by Mr. Putin’s conflict towards Ukraine. The federal government’s widening price range deficits are additionally elevating issues concerning the sustainability of Russia’s intense spending on the conflict.

Regardless of these challenges, Russia’s economic system grew 4.9 % within the April-to-June interval in contrast with a yr earlier, the federal government mentioned Friday, a better-than-expected end result and the nation’s first annual acquire in financial progress because the begin of the conflict in Ukraine.

In July, the Worldwide Financial Fund raised its forecast for Russia’s financial progress in 2023 to 1.5 %, from 0.7 %. In 2022, the nation’s gross home product shrank 2.1 %. Russia’s progress has been largely pushed by state spending on the conflict effort, which has fueled inflation and pushed up price range deficits.

After invading Ukraine in February 2022, Russia struggled to plug holes in its economic system attributable to an onslaught of Western sanctions and an exodus of capital and property, whereas the ruble slipped to as little as 135 per greenback. However a spike in oil costs and falling imports helped the ruble recuperate and led to a report commerce surplus of $221 billion in 2022.

This yr, the excess has shrunk and oil revenues have fallen, due to a Western embargo and a value cap.

Oleg Matsnev contributed reporting.