Conference Agenda

Overview and details of the sessions of this conference. Please select a date or location to show only sessions at that day or location. Please select a single session for detailed view (with abstracts and downloads if available).

Please note that all times are shown in the time zone of the conference. The current conference time is: 14th May 2024, 12:35:52pm EDT

 
 
Session Overview
Session
Track W7-6: Return Predictability
Time:
Wednesday, 22/May/2024:
2:45pm - 3:30pm

Session Chair: Benjamin Golez, University of Notre Dame
Discussant: Dmitriy Muravyev, Michigan State University
Location: Room 610


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Presentations

Too Good to Be True: Look-ahead Bias in Empirical Options Research

Jefferson Duarte1, Christopher Jones2, Mehdi Khorram3, Haitao Mo4, Junbo Wang5

1Rice University; 2University of Southern California; 3Rochester Institute of Technology; 4University of Kansas; 5Louisiana State University

Numerous trading strategies examined in options research exhibit remarkably high mean returns and Sharpe ratios. We show some of these seemingly ``good deals'' are due to look-ahead biases. These biases stem from using information unavailable at the portfolio formation time to filter out observations suspected of being noisy or erroneous. Our results suggest that elevated Sharpe ratios may serve as potential indicators of such look-ahead biases. Furthermore, deviating from previous literature findings, we show that illiquidity is not strongly priced in stock options and that only a small set of stock characteristics are in fact associated with option expected returns.


Duarte-Too Good to Be True-810.pdf


 
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