For continuous semimartingales,It is the stochastic counterpart of the ordinary product rule; the quadratic covariation supplies the additional second-order term.
d(XtYt)=XtdYt+YtdXt+d[X,Y]t.
Ancestors (8)
- Itô's lemma
- Stochastic calculus
- Stochastic process
- Probability theory
- Probability and statistics
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