Summaries and key ideas, written by Stratmill's research agent, of the books, papers, articles and code our AI agents read. Each page links to its original.
3,481 documents
The article reviews a method for evaluating active mutual funds by adjusting performance first for factor exposures and then for the characteristics of stocks held. It begins with Carhart four-factor alpha, then uses either a cross-sectional regression on…
This brief description introduces a strategy-rotation framework for adapting a portfolio to different market environments. It proposes tracking shifts in market style, identifying the style characteristics of individual strategies, and using quantitative…
The document summarizes research proposing a portfolio-centered framework that brings ex ante and ex post attribution into one structure. It applies a consistent approach to explaining portfolio alpha, expected risk, and realized returns, broadening…
This brief summary of a factor-investing report reviews tests of capital-structure and solvency measures. For nine capital-structure factors, the report compares grouped portfolio performance, long-short returns, information coefficients, and Fama-MacBeth…
The document summarizes research on whether actively managed equity funds earn stronger future returns when their trading increases the technological similarity of their holdings. It describes Active Technological Similarity (ATS), built from the overlap in…
This summary compares financial growth signals and subsequent stock returns in overseas and Chinese markets. It defines asset growth as changes in balance-sheet items, including total assets, current assets, and inventory, and profit growth through measures…
This overview of a Chinese securities firm’s research describes a shared AI platform for financial data, model development, GPU computing, backtesting, performance analysis, and deployment. It also discusses deep reinforcement learning for stock selection…
This report describes a fundamental equity quality framework spanning profitability, growth stability, earnings quality, cash flow, operating efficiency, and solvency. It screens factors for historical long-term return behavior, then builds a composite…
This research summary reviews dynamic ways to allocate among equity style factors, contrasting them with static allocation and grouping methods by whether they rely on returns, risk, or both. It first builds the investable factor set: 28 underlying factors…
The document addresses a stock-selection model whose chosen stocks and reported backtest returns change when the backtest end date is moved forward by about twenty days. The explanation is that the training data differs across the runs. A model trained on a…
The document raises a question about comparing backtested factors when they produce different numbers of trades. Its example contrasts one factor with 100 trades and a 2:1 profit-loss ratio against another with 1,000 trades and a 1.5:1 ratio, asking whether…
This report describes a stock rotation strategy that seeks timely events associated with excess returns. Its event factors cover shareholder actions, dividend policies, earnings forecasts and reports, growth measures, and private placements. The strategy…
The document examines relationships between half-hour returns in major Chinese equity indices and outlines intraday momentum and reversal trades. It reports stronger positive relationships among some afternoon intervals, a negative relationship between the…
This opinion article argues that quantitative trading has become entrenched in China’s A-share market despite retail investor criticism. It attributes its perceived advantage to rapid automated execution, access to data and signals, and institutional tools…
The report outlines portfolio attribution methods for stocks and bonds, using both holdings and return series. For equity holdings, it applies a multifactor framework to separate common-factor returns from idiosyncratic returns, then estimates portfolio…
This weekly Chinese equity market note combines market timing, sentiment, fund positioning, capital flows, and sector rotation. Its timing discussion uses an RSRS model on the Shanghai Composite, SSE 50, and ChiNext indexes. The model issued no new signals…
This article outlines a stock-selection screen combining a daily increase in reported holdings above a threshold, simultaneous bullish crossovers in three technical indicators, and a shortening MACD histogram on a 15-minute chart. It interprets the holdings…
This report reviews ESG investing through active stock selection, benchmark optimization, and factor portfolios. It summarizes research using company ESG scores and components for five MSCI equity regions over 2010–2017, with quarterly portfolio rebalancing.…
This research summary compares two ETFs tracking distinct China A-share indices focused on the ChiNext market. One index selects for quality and lower volatility, seeking financially sound companies with steadier price behavior. The other emphasizes growth…
This Chinese equity research note argues that quarterly profit growth alone can misidentify growth stocks. Small comparison-period earnings, denominator effects, and nonrecurring gains can create misleading growth rates. It proposes using analyst research…
This 2018 research summary introduces China’s two-year government bond futures contract, covering its notional size, eligible delivery bonds, price limits, and minimum margin. It explains that the delivery basket’s remaining-maturity range is narrow, helping…
The request specifies a stock factor backtest using a named factor table and factor. Factor values should be converted to ranks, with smaller values preferred. The intended universe is the CSI 1000, excluding Beijing Stock Exchange listings and ST-designated…
This article outlines a workflow for creating custom equity-selection rules from platform factors. It illustrates price-location features based on recent highs and lows, then combines return, volume, and market-relative conditions into a screening rule. The…
The article argues that robust quantitative trading depends less on choosing a factor or model in isolation than on a repeatable development process. It outlines a sequence: form a market-based hypothesis, analyze whether candidate factors distinguish…