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Investor Logins and the Disposition Effect

Quispe-Torreblanca, Edika; Gathergood, John; Loewenstein, George; Stewart, Neil

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Authors

Edika Quispe-Torreblanca

George Loewenstein

Neil Stewart



Abstract

Using data from an online brokerage, we examine the role of investor logins in trading behavior. We find that a new reference point is created when an investor logs in and views the investor’s portfolio. We observe this as a disposition effect on returns since last login in addition to the traditional disposition effect on returns since purchase. Further, these reference points produce a strong interaction such that even a small loss since last login nullifies the positive effect of a gain since purchase. This interaction follows if investors select the higher, more aspirational price as a reference point.

Citation

Quispe-Torreblanca, E., Gathergood, J., Loewenstein, G., & Stewart, N. (2025). Investor Logins and the Disposition Effect. Management Science, 71(1), 219–239. https://doi.org/10.1287/mnsc.2022.00359

Journal Article Type Article
Acceptance Date Jun 14, 2023
Online Publication Date Apr 2, 2024
Publication Date 2025-01
Deposit Date Jun 22, 2023
Publicly Available Date Apr 2, 2024
Journal Management Science
Print ISSN 0025-1909
Electronic ISSN 1526-5501
Publisher INFORMS
Peer Reviewed Peer Reviewed
Volume 71
Issue 1
Pages 219–239
DOI https://doi.org/10.1287/mnsc.2022.00359
Keywords reference point • disposition effect • attention • login • investor behavior
Public URL https://nottingham-repository.worktribe.com/output/22181753
Publisher URL https://pubsonline.informs.org/doi/10.1287/mnsc.2022.00359

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