Does turn-of-the-month (TOM) effect still exist? Fresh evidence from international indices

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School of Business | Bachelor's thesis

Date

2023

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Mcode

Degree programme

Rahoitus

Language

en

Pages

23

Series

Abstract

This thesis examines daily market returns of 15 stock market indices from 1983 to 2022 to establish whether turn-of-the-month (TOM) effect still exist in international indices. To evaluate the significance of the TOM effect I employ both parametric and nonparametric tests. I show that TOM effect exists in 14 out of 15 indices examined during the period of 1983-2013. When controlling for seasonal effects, 11 out of 15 indices still exhibit significant results. These results are similar to what other researchers have established. With more recent time-series of 2014-2022 I find that TOM effect has almost completely faded from the international markets examined. Only New Zealand’s index still show significant TOM effects, even after controlling for other seasonal effects.

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Thesis advisor

Keloharju, Matti

Keywords

TOM effect, time-of-the-month, anomality, stock market

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