This study examines the return behavior of 15 emerging equity markets for persistent deviations from the fundamental value hypothesis. The duration dependence test shows that rational expectations bubble do not cause deviations from fundamental value in any of the markets. Markov chain test results imply that markets in China, Malaysia, the Philippines, and Singapore deviate from their fundamental values due to non-random price changes. A price decrease is more likely to follow two periods of price decrease in these four equity markets. Finally, time reversibility test reveals that all equity markets, except for Jordan and Egypt, exhibit asymmetrical price patterns, suggesting departures from fundamental values.