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Editor’s Letter 编辑的信
Q4 Economics, Econometrics and Finance Pub Date : 2018-05-31 DOI: 10.3905/jii.2018.9.1.001
Brian R. Bruce
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引用次数: 0
D-Index: A Risk Measure in a New Dimension D-指数:一个新维度的风险度量
Q4 Economics, Econometrics and Finance Pub Date : 2018-05-31 DOI: 10.3905/jii.2018.9.1.084
A. Ma, Lanston Lane Chun Yeung
In this article, we construct a risk measure of an investment, called the D-Index, which measures the fraction of time the investment is in a drawdown. The D-Index isolates the time dimension from the returns when measuring risk, and this property uniquely characterizes it from other performance measures. An explicit analytical form of the ex-ante D-Index is provided for the case of a buy-and-hold strategy with price dynamics following a Black-Scholes model. Numerical evidence based on 32,642 funds across three asset classes shows that the D-Index does not exhibit strong rank correlation with the Sharpe ratio across funds, in contrast with most other existing risk-measures. Coupled with evidence from experimental psychology, this new perspective motivates us to consider its importance in investment decision making in the real-world environment.
在这篇文章中,我们构建了一个投资的风险度量,称为D指数,它衡量投资下降的时间比例。在衡量风险时,D指数将时间维度与回报隔离开来,这一特性是它与其他绩效指标的独特特征。对于价格动态遵循Black-Scholes模型的买入和持有策略,提供了事前D指数的明确分析形式。基于三种资产类别的32642只基金的数字证据表明,与大多数其他现有风险指标相比,D指数与各基金的夏普比率没有表现出强烈的等级相关性。再加上实验心理学的证据,这一新观点促使我们考虑它在现实世界环境中投资决策中的重要性。
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引用次数: 0
Editor’s Letter 编者的信
Q4 Economics, Econometrics and Finance Pub Date : 2017-02-28 DOI: 10.3905/jii.2017.7.4.001
Brian R. Bruce
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引用次数: 0
Social Change through Indexing: A Gender Diversity Index 通过索引实现社会变革:性别多样性指数
Q4 Economics, Econometrics and Finance Pub Date : 2017-02-28 DOI: 10.3905/jii.2017.7.4.030
Taie Wang
Thematic indexes that capture themes ranging from lowering carbon emissions to corporate governance have expanded in recent years and have received increasing interest from investors. Gender equality, however, has received relatively little treatment to date, even though evidence shows that firms with higher rates of female participation at the senior manager level have delivered higher return on equity, better corporate governance, and, in some cases, higher returns. Inspired by a need to address gender inequity in the workplace through Environmental, Social, and Governance investing, we researched the viability of creating an index that captures gender diversity. Here, we present our findings on gender diversity characteristics for U.S. large-cap companies and propose a rules-based portfolio construction framework for a gender diversity index.
近年来,涵盖从降低碳排放到公司治理等主题的主题指数不断扩大,投资者越来越感兴趣。然而,迄今为止,两性平等得到的待遇相对较少,尽管有证据表明,女性在高级管理层的参与率较高的公司带来了更高的股本回报、更好的公司治理,在某些情况下,回报也更高。受通过环境、社会和治理投资解决工作场所性别不平等问题的需要的启发,我们研究了创建一个反映性别多样性的指数的可行性。在这里,我们介绍了我们对美国大盘股公司性别多样性特征的研究结果,并提出了一个基于规则的性别多样性指数投资组合构建框架。
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引用次数: 1
Blockchain-Enabled, Subscriber-Based Capital Markets Index Data Distribution 支持区块链的、基于订户的资本市场指数数据分发
Q4 Economics, Econometrics and Finance Pub Date : 2017-02-28 DOI: 10.3905/jii.2017.7.4.083
W. Pennington, John Evans
A private, permissioned, peer-to-peer capital markets index data distribution architecture would streamline the provision and ingestion of securities index data from index provider to index subscribers. Limiting access on the blockchain network to trusted parties (subscribers) reduces the overhead needed to secure consensus in writing and validating new blocks of data and eliminates the need for incentives and the traditional “mining” associated with public peer-to-peer blockchain architectures. Applying defined permissioning to the different participants in the blockchain further refines activities and access abilities, such as regulator view all; subscriber read and propose records; and provider read, write, and approve new records proposed by subscribers. Various consensus models could be employed, depending on the implementation environment and underlying choice of blockchain base code, so long as access is enforced primarily at the network environment level and permissions are enforced at the blockchain level.
私人、许可的对等资本市场指数数据分发架构将简化从指数提供商到指数订阅者的证券指数数据的提供和接收。将区块链网络上的访问限制在受信任方(订阅者),减少了在写入和验证新数据块时确保共识所需的开销,并消除了对激励和与公共对等区块链架构相关的传统“挖掘”的需求。将定义的许可应用于区块链中的不同参与者,进一步完善了活动和访问能力,例如监管机构查看所有;订阅者阅读并提出记录;以及提供者读取、写入和批准订阅者提出的新记录。根据区块链基础代码的实现环境和基本选择,可以使用各种共识模型,只要访问主要在网络环境级别强制执行,权限在区块链级别强制执行。
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引用次数: 3
Crowding, Capacity, and Valuation of Minimum Volatility Strategies 最小波动策略的拥挤、容量和估值
Q4 Economics, Econometrics and Finance Pub Date : 2017-02-28 DOI: 10.3905/jii.2017.7.4.041
Andrew Ang, Ananth Madhavan, A. Sobczyk
Minimum volatility (min vol) strategies are smart beta strategies that are designed to minimize risk. In the past 12 months, ending June 30, 2016, there were $7.8 billion flows into a total of 17 U.S.-equity exchange-traded fund min vol strategies. This represents just 0.04% of total equity market capitalization of the underlying securities. Capacity in these strategies is large because traditional active mutual funds tend to overweight high-volatility stocks. Were these funds to move to a neutral position in high-volatility securities, a shift of roughly $600 billion to min vol would take place. Current valuations of min vol strategies are not high relative to historical norms and are consistent with the observed outperformance of these strategies during periods of high uncertainty.
最小波动率(min-vol)策略是智能贝塔策略,旨在将风险降至最低。在截至2016年6月30日的过去12个月里,共有78亿美元流入美国股票交易所交易基金的min-vol策略。这仅占标的证券总股本的0.04%。这些策略的容量很大,因为传统的主动型共同基金倾向于增持高波动性股票。如果这些基金在高波动性证券中转向中性头寸,将发生大约6000亿美元的向最小容量的转移。相对于历史规范,最小容量策略的当前估值并不高,并且与在高不确定性时期观察到的这些策略的优异表现一致。
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引用次数: 14
Structured Products and the Mischief of Self-Indexing 结构化产品和自索引的危害
Q4 Economics, Econometrics and Finance Pub Date : 2017-02-28 DOI: 10.3905/jii.2017.7.4.016
Geng Deng, C. McCann, M. Yan
In the early days of structured products, issuers issued, underwriters underwrote, and index providers provided indexes. In the 1990s, underwriters bypassed operating companies and began issuing debt linked to operating company stocks or to stock indexes. In recent years, investment banks have gone a step further and issued structured products linked to proprietary indexes of stocks, commodities, currencies, and volatility, including the two VIX-derived proprietary indexes discussed herein, rather than just linking to standardized indexes from S&P and other index providers. When brokerage firms include hypothetical trading costs in their proprietary indexes—costs that are absent from third-party indexes—they render comparisons of disclosed costs at the structured product level uninformative. This mischief would not be possible if issuers linked to indexes provided by third-party vendors who had no interest in the payoffs from structured products linked to their indexes. We illustrate the problems with self-indexing structured products using proprietary volatility indexes from Bank of America and J.P. Morgan, although the conflicts we highlight arise equally with the proprietary indexes of other underlying assets, including commodities and currencies.
在结构化产品的早期,发行人发行,承销商承销,指数提供商提供指数。上世纪90年代,承销商绕过运营公司,开始发行与运营公司股票或股指挂钩的债券。近年来,投资银行更进一步,发行了与股票、大宗商品、货币和波动率的专有指数挂钩的结构性产品,包括本文讨论的两个衍生于vix的专有指数,而不仅仅是与标准普尔和其他指数提供商的标准化指数挂钩。当经纪公司将假设的交易成本(第三方指数中没有的成本)纳入其自营指数时,它们就会使结构性产品层面的披露成本的比较缺乏信息。如果与第三方供应商提供的指数挂钩的发行人对与其指数挂钩的结构性产品的收益不感兴趣,那么这种恶作剧就不可能发生。我们使用美国银行(Bank of America)和摩根大通(J.P. Morgan)的专有波动率指数来说明自指数结构化产品的问题,尽管我们强调的冲突同样出现在其他基础资产(包括大宗商品和货币)的专有指数上。
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引用次数: 0
Capturing the Chinese A-Shares and H-Shares Price Anomaly 捕捉中国a股和h股价格异常
Q4 Economics, Econometrics and Finance Pub Date : 2017-02-28 DOI: 10.3905/jii.2017.7.4.060
E. Pong, Peter Gunthorp, A. Chen
With the recent revisions of the Qualified Foreign Institutional Investor (QFII) and Renminbi Qualified Foreign Institutional Investor (RQFII) programs, together with the introduction of the Stock Connect program, the mutual accessibility of the Chinese onshore and offshore equity markets is expected to be enhanced. We examine the characteristics of the A- and H-shares price differentials using the data for dual-listed companies during the 2006–2015 period. We find that the price differential narrows in the latter part of the sample period, which coincides with the enhancement of mutual access of both markets. We propose an A/H-share selection mechanism to identify the share class with the lower price and form an A/H-share class index. We show that the mechanism can deliver improved index characteristics compared with a market-capitalization-weighted China A-shares benchmark. The results are robust to different choices of parameters in terms of buffer zone and rebalancing frequency.
随着最近对合格境外机构投资者(QFII)和人民币合格境外机构投资(RQFII)计划的修订,以及股票通计划的推出,中国在岸和离岸股票市场的相互可及性有望增强。我们使用2006-2015年期间双重上市公司的数据来检验A股和H股价差的特征。我们发现,在样本期的后半段,价格差异缩小,这与两个市场的相互准入增强相吻合。我们提出了一种A/H股选择机制,以识别价格较低的股票类别,并形成A/H股类别指数。我们表明,与市值加权的中国a股基准相比,该机制可以改善指数特征。结果对缓冲区和再平衡频率方面的不同参数选择是稳健的。
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引用次数: 2
It’s All about Active ETFs 这都是关于主动型etf的
Q4 Economics, Econometrics and Finance Pub Date : 2017-02-28 DOI: 10.3905/jii.2017.7.4.006
P. Mackintosh
It looks like exchange-traded funds (ETFs) are eating mutual funds’ lunch. Although we think this is more an index versus active story, it has not stopped mutual funds from looking to convert their active strategies into ETFs. The active ETF space is already alive and well: Active strategies already exist in the form of transparent active and smart beta funds. Although assets in these funds remain small, they are on a growth path that is consistent with that of index funds. The arbitrage mechanism helps active and smart beta ETFs track their net asset values very well, which is good for investors. Nontransparent active ETFs would help larger, active managers hide their trades from predatory traders and might also lower transaction and holding costs to investors. To date, none has been approved because of concerns over their tradeability. We think that they would likely have wider spreads than current ETFs but would trade much better than closed-end funds (which also trade on exchange intraday).
看起来,交易所交易基金(etf)正在蚕食共同基金的午餐。尽管我们认为这更像是指数与主动型基金的对比,但这并没有阻止共同基金寻求将其主动型策略转化为etf。主动型ETF领域已经很活跃了:主动型策略已经以透明的主动型和智能贝塔基金的形式存在。尽管这些基金的资产规模仍然很小,但它们正走在与指数基金一致的增长道路上。套利机制帮助活跃和聪明的beta etf很好地跟踪其资产净值,这对投资者来说是有利的。不透明的主动型etf将有助于规模较大、主动型的管理公司将交易隐藏起来,不让掠夺性的交易员看到,还可能降低投资者的交易和持有成本。到目前为止,由于对其可交易性的担忧,还没有一项获得批准。我们认为它们的价差可能会比目前的etf更大,但比封闭式基金(也在交易所进行日内交易)的交易要好得多。
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引用次数: 7
Big Data, Small Pickings: Predicting the Stock Market with Google Trends 大数据,小选择:用谷歌趋势预测股市
Q4 Economics, Econometrics and Finance Pub Date : 2017-02-28 DOI: 10.3905/jii.2017.7.4.075
W. Fong
Big data such as Google Trends has stimulated much interest in the use of search query volumes for predicting social, business, and financial market trends. A recent paper by Preis, Moat, and Stanley [2013] claimed that a simple trading strategy using the Google Trends keyword debt powerfully predicts the Dow Jones Industrial Average stock index one week ahead and outperforms the buy-and-hold strategy by a factor of 20. Using the same sample period used by Preis, Moat, and Stanley, we show that debt completely loses its predictive power once look-ahead bias is eliminated. We find a similar result with a more recent sample period, from 2011 to 2016. Search terms that do outperform the buy-and-hold strategy generally have no economic meaning and are most likely spurious.
谷歌Trends等大数据激发了人们对使用搜索查询量来预测社会、商业和金融市场趋势的兴趣。Preis、Moat和Stanley[2013]最近的一篇论文声称,使用谷歌Trends关键字debt的简单交易策略有力地预测了一周后的道琼斯工业平均指数,其表现比买入并持有策略高出20倍。使用Preis、Moat和Stanley使用的相同样本期,我们表明,一旦消除了前瞻性偏差,债务就完全失去了预测能力。从2011年到2016年,我们发现了类似的结果。那些表现优于“买入并持有”策略的搜索词通常没有经济意义,而且很可能是虚假的。
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引用次数: 3
期刊
Journal of Index Investing
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