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Evidence Of The Efficiency Of Index Options Markets, Lucy F. Ackert, Yisong S. Tian
Evidence Of The Efficiency Of Index Options Markets, Lucy F. Ackert, Yisong S. Tian
Faculty and Research Publications
Index options have been one of the most successful of the many innovative financial instruments introduced over the last few decades, as their high trading volume indicates. Given their prominence, the pricing efficiency of these markets is of great importance. ; Detecting inefficient pricing, or mispricing, requires comparing a theoretically efficient price with prices of options traded in financial markets. One popular approach to deriving pricing relationships is based on a principle called no-arbitrage, which simply assumes that arbitrageurs enter the market and quickly eliminate mispricing if a profit opportunity without risk exists. However, in a well-functioning economy there is …