Statistical Comparison of Transaction Value and Volume between UPI, IMPS and CTS: A T-Test Based Analysis

Author: Dr. Mitesh J. Patel, Ayush K. Dhanwani, Prerna D. Khatwani
Published Online: January 5, 2026
Abstract
References

When finance merged with technology, it marked the beginning of a new era—FinTech—transforming financial services into accessible, real-time, and user-centric systems. This study examines how major digital payment systems have contributed to India‘s transaction landscape in the last year, with a specific focus on UPI and IMPS, which consistently report the highest transaction volumes. The research evaluates whether there is a significant difference in the mean transaction value and volume between these payment systems. To further understand the shift from traditional to digital instruments, an additional t-test is conducted between UPI and CTS, representing online payments versus paper-based cheque processing. This comparison identifies whether their mean transaction value and volume differ significantly, highlighting the behavioral transition from manual to digital modes. All transactional data used in the analysis is sourced from NPCI. The findings provide insights into the dominance of UPI, the position of IMPS, and the declining dependency on CTS, thereby reflecting the broader evolution of India‘s payment ecosystem.

Keywords: FinTech, Unified Payments Interface (UPI), Immediate Payment Service (IMPS), Cheque Truncation System (CTS), T-test Analysis, Payment Ecosystem
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