区块链风险平价线:从投资的有效边界走向最终边界

Ravi Kashyap
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摘要

我们通过创建三种具有不同风险和收益特征的基金,设计基于区块链的风险管理投资组合:1) Alpha--高风险投资组合;2) Beta--模仿更广泛的市场;3) Gamma--代表无风险利率调整以战胜通货膨胀。每个子基金(Alpha、Beta 和 Gamma)都提供风险平价,因为相应投资组合中每种资产的权重都与投资该资产的风险成反比。这可以等同于每种资产对整个投资组合风险的等额风险贡献。我们提供了组合资产的详细机制--包括数学公式--以获得更好的风险管理投资组合。这些描述旨在展示如何在区块链上无缝创建一个基于风险平价的有效前沿投资组合管理引擎,通过让每个投资者选择自己偏好的风险收益组合来满足投资者不同的风险偏好。任何投资者都可以利用去中心化账本技术,选择自己想要的风险或收益水平,并相应地在子基金之间分配财富,这些子基金在不同的市场条件下相互平衡。这种风险平价原则的演变--产生了一种在所有市场周期下都能表现良好的机制--带来了更稳健的表现,可以称之为概念平价。我们举了几个数字例子,说明在结合 Alpha、Beta 和 Gamma 以获得平价时会出现的各种情况。现在,在区块链上可以实现最终的投资前沿--对效率前沿的修正,从而不仅仅是一个理论构架,因为来自任何地方的任何人都可以随时参与,根据自己的财务目标获得财富增值。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The Blockchain Risk Parity Line: Moving From The Efficient Frontier To The Final Frontier Of Investments
We engineer blockchain based risk managed portfolios by creating three funds with distinct risk and return profiles: 1) Alpha - high risk portfolio; 2) Beta - mimics the wider market; and 3) Gamma - represents the risk free rate adjusted to beat inflation. Each of the sub-funds (Alpha, Beta and Gamma) provides risk parity because the weight of each asset in the corresponding portfolio is set to be inversely proportional to the risk derived from investing in that asset. This can be equivalently stated as equal risk contributions from each asset towards the overall portfolio risk. We provide detailed mechanics of combining assets - including mathematical formulations - to obtain better risk managed portfolios. The descriptions are intended to show how a risk parity based efficient frontier portfolio management engine - that caters to different risk appetites of investors by letting each individual investor select their preferred risk-return combination - can be created seamlessly on blockchain. Any Investor - using decentralized ledger technology - can select their desired level of risk, or return, and allocate their wealth accordingly among the sub funds, which balance one another under different market conditions. This evolution of the risk parity principle - resulting in a mechanism that is geared to do well under all market cycles - brings more robust performance and can be termed as conceptual parity. We have given several numerical examples that illustrate the various scenarios that arise when combining Alpha, Beta and Gamma to obtain Parity. The final investment frontier is now possible - a modification to the efficient frontier, thus becoming more than a mere theoretical construct - on blockchain since anyone from anywhere can participate at anytime to obtain wealth appreciation based on their financial goals.
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