Abstract
In this paper, we investigate fade-in options under GARCH-jump processes. Specifically, we adopt NIG distributions to capture jump risk, and both market and individual jumps are considered. In the pricing model driven by GARCH-jump processes, we obtain the prices of fade-in options using the Fourier transform methods. Finally, we use the derived pricing formulae to illustrate the effects of fade-in sets and the parameters in the jump processes.
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Notes
Use \(A_0(t),\ A_1(t),\ A_2(t),\ A_3(t)\ A_4(t)\) for simplicity.
Use \(B_0(t),\ B_1(t),\ B_2(t),\ B_3(t),\ B_4(t)\) for simplicity.
Additionally, banks headquartered in the United States are obligated to report options, including exotics, to the Depository Trust and Clearing Corporation (DTCC). Analysts can leverage DTCC data for estimation purposes.
Griebsch and Wystup (2011) demonstrated that the precision of FFT estimations improves with a higher number of grid points, P, albeit at the expense of increased computational time. Nonetheless, due to the constraints of our equipment, we chose the largest practicable P to ensure optimal representation of the pricing formula.
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The authors would like to thank the anonymous referees and the editor for providing a number of valuable comments that led to several important improvements.
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Appendix
Appendix
Reform of Underlying Assets and Market Dynamics:
where \(\pi _{u,v,w}\ u\in \{m,s\},v\in \{z,y\},w\in \{1,2,\ldots ,9\}\) are the reformed parameters. They have the same forms as those in Bégin et al. (2020). Table 3 lists the results.
\(\square\)
Proof of Proposition 2.1: First, we discuss the moment generating function \(f(t;t_i,\phi _1,\phi _2)\) when \(t_i\le t\le T\),
In the following deduction, we use f(t), \(A_0(t)\), \(A_1(t)\), \(A_2(t)\), \(A_3(t)\), \(A_4(t)\) for simplicity. From the definition of \(f(t;t_i,\phi _1,\phi _2)\), we can get that
which means that
According to the law of iterated expectations, dynamics of the underlying asset, and the intensity process, one gets the following result,
There are so many terms and parameters in the expression, but they have similar forms. Thus, we use substitute terms according to Bégin et al. (2020) for a clearer result. For \(w \in \{1,2,\ldots ,9\}\), define
Then, the moment generating function takes the following form,
Moreover, the following conclusions are proposed for further derivation,
where \(Z(t+1)\) is a standard normal sequence, \(y(t+1)\) is the NIG process with intensity \(h_y (t+1)\) (Table 4).
Calculating conditional expectation terms in the polynomial above gives the following results,
Above all, we can derive the explicit forms of \(A_0(t),A_1(t),A_2(t),A_3(t),A_4(t)\) when \(t_i\le t\le T\), i.e.,
Next, we discuss the moment generating function \(f(t;t_i,\phi _1,\phi _2)\) when \(0\le t \le t_i\),
Similarly, we use \(B_0(t)\), \(B_1(t)\), \(B_2(t)\), \(B_3(t)\), \(B_4(t)\) for simplicity, and we can obtain the expression of \(f(t_i;t_i,\phi _1,\phi _2)\), i.e.,
which means that
We can see that the only difference in the forms of the moment generating functions between \(0\le t \le t_i\) and \(t_i\le t\le T\) is the term \((\phi _1+\phi _2)\ln S(t)\) and \(\phi _1\ln S(t)+\phi _2\ln S(t_i)\). Thus, we can directly obtain the following results for \(0\le t \le t_i\),
\(\square\)
Proof of Proposition 2.2: For any \(\alpha ,\ \beta >0\) and \(x\in \{k,l\}\), define the two-dimensional Fourier transform with respect to k and x of \(C_j(k,x)\) as follows,
Simple calculations imply that
\(\square\)
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Wang, X., Zhang, H. Pricing Fade-in Options Under GARCH-Jump Processes. Comput Econ (2023). https://doi.org/10.1007/s10614-023-10527-8
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DOI: https://doi.org/10.1007/s10614-023-10527-8