Examination of Long Memory in Indian Stock Market: A Sectoral Juxtaposition

Ramashanti Naik and Y. V. Reddy

FIIB Business Review, 2025, vol. 14, issue 2, 184-202

Abstract: One of the situations encountered in time series analysis is long-range dependence, also known as Long memory. We investigated the presence of long memory in the Indian sectoral indices returns and investigated whether the long memory behaviour is affected by the data frequency. We applied the autoregressive fractionally integrated moving average (ARFIMA) models to 13 sectoral indices of the National Stock Exchange of India and examined the long memory in daily, monthly and quarterly return series. The results indicate the persistence in daily return series and anti-persistence in monthly and quarterly return series. Thus, we conclude that the frequency of data does have a significant effect on the behaviour of long memory patterns. The results will be helpful for present and potential investors, institutional investors, portfolio managers and policymakers to understand the dynamic nature of long memory in the Indian stock market.

Keywords: Long memory; stock market returns; sectoral indices; parametric test; ARFIMA (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:sae:fbbsrw:v:14:y:2025:i:2:p:184-202

DOI: 10.1177/23197145211040274

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