基于配對(duì)策略的基金動(dòng)態(tài)資產(chǎn)配置
發(fā)布時(shí)間:2018-03-01 05:00
本文關(guān)鍵詞: 配置策略 指數(shù)奧恩斯坦-烏倫貝克過程 配對(duì)交易 HJB方程 出處:《系統(tǒng)管理學(xué)報(bào)》2017年05期 論文類型:期刊論文
【摘要】:作為市場(chǎng)中性策略的一種,配對(duì)交易早已被廣泛應(yīng)用于各類基金的投資實(shí)踐?紤]基金管理者將總資產(chǎn)分別配置于風(fēng)險(xiǎn)資產(chǎn)與無風(fēng)險(xiǎn)資產(chǎn),其中風(fēng)險(xiǎn)資產(chǎn)采用配對(duì)策略,假設(shè)風(fēng)險(xiǎn)資產(chǎn)價(jià)差服從指數(shù)O-U過程,基于最優(yōu)投資組合理論,研究了不同市場(chǎng)環(huán)境、風(fēng)險(xiǎn)偏好下的最優(yōu)投資組合動(dòng)態(tài)資產(chǎn)配置策略。以投資到期效用期望最大化為目標(biāo),運(yùn)用動(dòng)態(tài)規(guī)劃原理,得到了最優(yōu)動(dòng)態(tài)資產(chǎn)配置策略所滿足的HJB方程,通過Legendre轉(zhuǎn)換和分離變量法求得了該非線性方程的顯式解,并證明了該顯式解的相關(guān)性質(zhì)。為了檢驗(yàn)該配置策略的有效性,對(duì)我國A股市場(chǎng)的"中國太保"和"國海證券"進(jìn)行了策略的情景模擬,通過最小二乘法和最大似然估計(jì)得到模型中的各項(xiàng)參數(shù),并對(duì)2016-03-16~2016-04-29的實(shí)盤數(shù)據(jù)進(jìn)行模擬交易,得到了該配對(duì)下的最優(yōu)資產(chǎn)配置策略。最后,對(duì)A股各行業(yè)股票進(jìn)行了全量模擬,計(jì)算了各行業(yè)的平均配對(duì)收益率,驗(yàn)證了本模型結(jié)果的穩(wěn)健性。
[Abstract]:As a kind of market-neutral strategy, pairing transaction has been widely used in the investment practice of all kinds of funds. Based on the optimal portfolio theory and the exponential O-U process, this paper studies the optimal portfolio dynamic asset allocation strategy under different market environment and risk preference. By using the principle of dynamic programming, the HJB equation satisfied by the optimal dynamic asset allocation strategy is obtained. The explicit solution of the nonlinear equation is obtained by means of Legendre transformation and the method of separating variables. In order to test the effectiveness of the allocation strategy, the scenarios of "China Taibao" and "Guohai Securities" in China's A-share market are simulated. The parameters of the model are obtained by least square method and maximum likelihood estimation, and the real position data of 2016-03-16 / 2016-04-29 are simulated and the optimal asset allocation strategy is obtained. The average paired return rate of each industry is calculated, and the robustness of the model results is verified.
【作者單位】: 上海師范大學(xué)商學(xué)院;上海師范大學(xué)數(shù)理學(xué)院;
【基金】:國家自然科學(xué)基金資助項(xiàng)目(71471117) 教育部人文社會(huì)科學(xué)研究青年基金資助項(xiàng)目(17YJCZH044) 上海市教委科研創(chuàng)新重點(diǎn)項(xiàng)目(13ZZ107) 上海師范大學(xué)自科項(xiàng)目(SK201506)
【分類號(hào)】:F832.51
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