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S&P 500 index option tests of Jarrow and Rudd's approximate option valuation formula

✍ Scribed by Corrado, Charles J.; Su, Tie


Publisher
John Wiley and Sons
Year
1996
Tongue
English
Weight
935 KB
Volume
16
Category
Article
ISSN
0270-7314

No coin nor oath required. For personal study only.

✦ Synopsis


I9

12 5 . The horizontal axis measures option moneyness, defined as the percentage difference between a discounted strike price and a stock price, i.e.,

Ke-* -So

Ke-*

x 100 and the vertical axis measures values for -Q3 and Q4. The most telling observation from Figure is that negative skewness deviations from lognormality ( -Q3) cause the Black-Scholes formula to underprice in-themoney call options and overprice out-of-the-money call options.


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