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- W4285333992 abstract "Investment banks offer the service of purchasing an entire portfolio from a client in a single transaction. The transaction enables the client to remove unwanted assets from their books, and provides immediate cash to be used in other investments. The bank usually offers a price that is slightly lower than the market price, therefore potentially gaining in this transaction when selling its content later in the market, or by internalizing the portfolio. Even though liquidating the portfolio is advantageous for the client, they are concerned about information regarding their strategies or holdings leaking and they would also like to be able to shop the portfolio to multiple banks. The current industry practice calls for the client to provide a summarized description of the portfolio without full details of the constituents, leading to imprecise pricing by the banks. We propose a new way for pricing portfolios by adapting secure computation to this domain. Our approach allows the client to maintain secrecy regarding the constituents of the portfolio, while enabling the bank to provide a fair price. We study several metrics for pricing portfolios and provide a suite of two-party protocols for computing those metrics, which are all provably secure. We test our protocols and show their scalability experimentally. We believe that this privacy-preserving pricing method offers the potential to transform the practice of portfolio pricing." @default.
- W4285333992 created "2022-07-14" @default.
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- W4285333992 date "2021-11-03" @default.
- W4285333992 modified "2023-10-14" @default.
- W4285333992 title "Privacy-preserving portfolio pricing" @default.
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- W4285333992 doi "https://doi.org/10.1145/3490354.3494400" @default.
- W4285333992 hasPublicationYear "2021" @default.
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