Zobrazeno 1 - 10
of 89
pro vyhledávání: '"Chanaka Edirisinghe"'
Publikováno v:
Operations Research.
Dangers of Ignoring Market Friction When Leveraging Financial Portfolios Portfolio leveraging is a standard industry practice to target higher fund returns, for example, in risk parity asset allocation. However, the existing models of optimal bet siz
Publikováno v:
Quantitative Finance. 22:303-319
We study [Roll, R., A mean/variance analysis of tracking error. J. Portfolio Manage., 1992, 18, 13–22.] conjecture that there exists an implicit value in index-tracking (IVIT) relative to forming m...
Publikováno v:
European Journal of Operational Research. 294:746-759
We consider the problem of optimally deleveraging a high net-worth long-short portfolio in a short time period to position the fund favorably with respect to leverage and margin risks, in the face of an adverse outlook on future uncertainty. We devel
Autor:
Chanaka Edirisinghe, Yonggan Zhao
Publikováno v:
Applied Mathematical Finance. 27:422-456
Index funds that track a benchmark, such as the market cap-weighted S&P 500 index, tend to have portfolio holdings biased towards slower-growth large-cap equities that result in the fund’s under-pe...
Autor:
Jaehwan Jeong, Chanaka Edirisinghe
Publikováno v:
European Journal of Operational Research. 278:49-63
Multi-constrained indefinite separable quadratic optimization occurs in many practical applications. However, it is an NP-hard problem and its solution even for problems of moderate size is computationally tedious. Extending our previous work on sing
Publikováno v:
Finance Research Letters. 47:102770
Autor:
Chanaka Edirisinghe
Publikováno v:
SSRN Electronic Journal.
Publikováno v:
SSRN Electronic Journal.
We study the impact of liquidity in optimal portfolio choice under leveraging to improve risk-adjusted and absolute returns. We consider a quasi-elastic market with continuous trading where temporary liquidity costs are sufficiently large relative to
Autor:
Jaehwan Jeong, Chanaka Edirisinghe
Publikováno v:
Journal of Risk and Financial Management; Volume 15; Issue 3; Pages: 98
This paper addresses the optimal rebalancing problem of a long–short portfolio with high net asset value under trading impact losses. The fund manager may employ leveraging as a tool to increase portfolio returns. However, to mitigate potential lev