Market Efficiency of the Next 11 Countries’ Stock Markets: Evidences From the Price–Volume Relationship

Yıl 2025, Cilt: 13 Sayı: 3, 392 - 404, 30.11.2025

Gökhan Berk Özbek

https://doi.org/10.22139/jobs.1672385

Öz

The Efficient Market Hypothesis (EMH), first proposed by Eugene Fama, has been the subject of numerous academic studies since its inception. Market efficiency holds great significance for ensuring accurate pricing mechanisms and reducing information asymmetry among economic units. This, in turn, can create a domino effect by enhancing investor confidence, thereby enabling the financial system to operate more efficiently. This study investigates the efficiency of stock markets in Next 11 countries within the context of the price-volume relationship. To this end, benchmark indices representing the stock markets of the relevant countries have been utilized. The study covers the year 2024 and analyzes data at 30-minute intervals. The causal relationship between price and volume data of the indices was examined using the Toda-Yamamoto test. According to the research findings, a causality from volume to price was identified for the benchmark indices of the Philippines and Vietnam, whereas a causality from price to volume was observed for the benchmark indices of Egypt and South Korea. For the benchmark index of Türkiye, a bidirectional relationship was found. These results particularly provide evidence regarding the efficiency of stock markets in the Philippines and Vietnam.

Anahtar Kelimeler

Next 11 , Market Efficiency , Price , Volume , Toda-Yamamoto

Kaynakça

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