On 2023-08-15, the Russian Central Bank announced an increase in interest rates to 12% (up 3.5 percentage points from 8.5%), after the currency fell to its lowest against the dollar in 17 months.

https://www.theguardian.com/world/2023/aug/15/russia-central-bank-hikes-interest-rates-rouble-falls?ref=biztoc.com

As of Oct 27, the rate has risen to 15%:

https://www.theguardian.com/world/2023/oct/27/russia-raises-interest-rate-to-15-after-steep-climb-in-inflation

Russia’s central bank hikes interest rates by 3.5 percentage points as rouble falls

Emergency decision is intended to halt slide after currency dropped to weakest point in almost 17 months