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5890数理金融中等数值题medium

Jump Contribution to Realized Variance

题目

Over a 252-day window, 251 days each have a squared log-return of 0.0001, and a single jump day has a log-return of -0.10. Realized variance is annualized as RV = (252/252) * sum r_i^2 (i.e. RV = sum of squared daily log-returns, since there are 252 observations). What annualized realized variance results, and what would it have been without the jump day (give both as decimals)?

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