Analysis compares stock market returns for Russian energy firms, highlighting statistical differences across timeframes.
The article presents the results of an analysis of common stock market returns for five Russian blue-chip energy companies over the period 2023–2025. The securities are compared based on average returns, variance, asymmetry and excess for various return calculation timeframes: daily, weekly, and monthly. The resulting tables and graphs are used to verify the empirical distribution of returns conforms to a normal law.
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Tatyana Averina (2026) studied this question.
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