How Have Central Bank Interest Rate Policies After COVID-19 Affected Stock Market Volatility in Emerging and Developed Economies?

Araash Bhargava

doi:10.36948/ijfmr.2025.v07i05.54356

How Have Central Bank Interest Rate Policies After COVID-19 Affected Stock Market Volatility in Emerging and Developed Economies?

Author(s)	Mr. Araash Bhargava
Country	India
Abstract	The COVID-19 virus unleashed one of the deepest economic shocks in history. When the world's economies went into lockdown at the beginning of 2020, financial markets imploded and uncertainty reached dizzying heights. In turn, advanced and emerging economy central banks deployed aggressive monetary policies—lowering interest rates to all-time lows, pumping in large-scale liquidity, and initiating asset purchase programs. Although these measures stabilized markets in the short term, they also planted the seeds for future inflation, rate hikes, and volatility. This study examines what has been the impact of central bank interest rate policy—during and since the pandemic—on stock market volatility in advanced and emerging economies. It contrasts the timing, size, and implications of monetary policy moves, observing that while policy direction was similar between countries, implications were anything but. Advanced economies such as the United States and the Eurozone were able to conduct large-scale stimulus and then tighten monetary policy comparatively easily due to more robust institutions, deep financial markets, and greater investor confidence. Emerging markets such as India and Brazil were less so. When interest rates around the world started rising in 2022, these nations faced more severe volatility with weaker currencies, capital flights, and rising external debt overhangs. The paper highlights how interest rate changes directly affect investor sentiment, capital flows, and asset prices. Stock market recoveries in the early stages of the pandemic were driven by rate cuts. However, with inflation rising and central banks using tightening policies, volatility came back—especially in most foreign capital-open economies. The paper then illustrates how abrupt or poorly signalled rate rises were likely to precipitate spikes in market uncertainty, affecting stock prices and causing dramatic shifts in investment flows. Emerging economies with thinner monetary policy cushions and higher exposures to global risk sentiment were worst affected. Based on real-world facts and case studies, the paper contrasts and compares the reactions of developing and developed economies. The paper also incorporates graphical data showing the connection between rate increases, inflation, currency depreciation, and stock market reactions. Based on tools such as forward guidance, asset purchasing, and reserve management, it is clear that the efficacy of these tools relies not only on their construction but also on the institutions and credibility that accompany them. One of the key findings of this research is that central bank rate actions influence markets in varying ways depending on the structural stability of an economy. With the world being as interconnected as it is today, a hike in one corner of the world can lead to a capital flight from another. Financial strength, communication clarity, and investor confidence have thus become as important to accomplish as setting the appropriate policy rate. As the world continues to recover from the pandemic and central banks also grapple with newer issues like persistent inflation, geopolitics, and financial fragmentation, the learning of the last few years is critical. Policymakers, especially in emerging markets, have to keep reinforcing their buffers as well as structures that are capable of absorbing future shocks. For investors, learning the way interest rates affect market behavior across different economic conditions can be a lesson in risk management.
Keywords	Stock market volatality, Central Bank Interest Rate, Covid 19
Published In	Volume 7, Issue 5, September-October 2025
Published On	2025-09-05
DOI	https://doi.org/10.36948/ijfmr.2025.v07i05.54356

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How Have Central Bank Interest Rate Policies After COVID-19 Affected Stock Market Volatility in Emerging and Developed Economies?

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