If X is the expected value of a variable, X follows a martingale. Explain this statement

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"If X is the expected value of a variable, X follows a martingale." Explain this statement

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Options Futures and Other Derivatives

ISBN: 978-0134472089

10th edition

Authors: John C. Hull

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Question Posted: Feb 12, 2018 12:28 PM

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If X is the expected value of a variable, X follows a martingale. Explain this statement

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