RBI turns hawkish, but banks may benefit first

The Reserve Bank of India raised the repo rate by 25 bps to 5.50% on October 7, the first rate hike since February 2023. The RBI also shifted its stance from neutral to calibrated tightening, while raising its FY27 GDP growth forecast to 7.1%. At first glance, higher rates should be negative for borrowers and rate-sensitive sectors. But the immediate market reaction was different for banks. Several bank stocks gained, and the Nifty Bank moved above 55,500 despite the broader market declining. The reason is the potential impact on lending margins. Banks can reprice floating-rate loans relatively quickly, while the repricing of their deposit base can be slower. That can provide temporary support to net interest margins. However, this is where I would be careful. A prolonged tightening cycle would eventually increase deposit costs and could weaken credit demand. The benefit to bank margins therefore depends on whether this is a one-off hike or the start of a sustained tightening cycle. The RBI's 7.1% FY27 growth forecast also matters. It suggests the central bank currently sees enough economic resilience to absorb tighter financial conditions. My view: The first-order impact of today's policy is more positive for banks than for rate-sensitive sectors. But I would not extrapolate today's positive bank reaction into a long-term margin expansion story. Deposit repricing and credit growth will determine whether the benefit lasts. What I am watching next: Bank deposit rates, loan repricing, NIM commentary in Q2 results and the RBI's December policy stance.