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Valuing employee reload options under the time vesting requirement

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  • Min Dai
  • Yue Kuen Kwok

Abstract

Upon the exercise of an employee stock option, the embedded reload provision entitles the holder to receive additional units of new options from the employer. The number of units of new options received is equal to the number of shares tendered as payment of strike and the new strike is set at the prevailing stock price. The reload provision may be subject to a time vesting requirement, that is, after each exercise, the employee is prohibited from exercising the reload until the end of a vesting period. In this paper, we construct an efficient numerical algorithm that computes the market value of the employee reload options under a time vesting requirement. Also, we explore the analytic properties of the price functions and optimal exercise policies of the employee reload options.

Suggested Citation

  • Min Dai & Yue Kuen Kwok, 2005. "Valuing employee reload options under the time vesting requirement," Quantitative Finance, Taylor & Francis Journals, vol. 5(1), pages 61-69.
    • Handle: RePEc:taf:quantf:v:5:y:2005:i:1:p:61-69
    DOI: 10.1080/14697680400014336
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    References listed on IDEAS

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    1. Hemmer, T & Matsunaga, S & Shevlin, T, 1998. "Optimal exercise and the cost of granting employee stock options with a reload provision," Journal of Accounting Research, Wiley Blackwell, vol. 36(2), pages 231-255.
    2. Johnson, Shane A. & Tian, Yisong S., 2000. "The value and incentive effects of nontraditional executive stock option plans," Journal of Financial Economics, Elsevier, vol. 57(1), pages 3-34, July.
    3. Steven Huddart & Ravi Jagannathan & Jane Saly, 1999. "Valuing the Reload Features of Executive Stock Options," NBER Working Papers 7020, National Bureau of Economic Research, Inc.
    4. Philip H. Dybvig & Mark Loewenstein, 2003. "Employee Reload Options: Pricing, Hedging, and Optimal Exercise," The Review of Financial Studies, Society for Financial Studies, vol. 16(1), pages 145-171.
    5. Cox, John C. & Ross, Stephen A. & Rubinstein, Mark, 1979. "Option pricing: A simplified approach," Journal of Financial Economics, Elsevier, vol. 7(3), pages 229-263, September.
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    Cited by:

    1. Jun Ma, 2011. "Pricing of a reload employee stock option under severance risk," Quantitative Finance, Taylor & Francis Journals, vol. 11(8), pages 1233-1244.
    2. Dai, Min & Kwok, Yue Kuen, 2008. "Optimal multiple stopping models of reload options and shout options," Journal of Economic Dynamics and Control, Elsevier, vol. 32(7), pages 2269-2290, July.

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