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2
votes
1answer
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Assumptions based on non-martingale?
Quantitative finance formular are mostly based on martingales, Poisson jump, GBM, CEV, etc..
The logic behind it is that martingale means the future could not be predicted, or, EMH (Efficient-market ...
9
votes
4answers
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What is a martingale?
What is a martingale and how it compares with a random walk in the context of the Efficient Market Hypothesis?
