知識圖書館

This document describes a Chinese equities screen using a daily turnover rate between 3% and 12%, a positive product of price change and large-order net flow, and return on equity above 15% in each of the prior five years. It presents the rule as a…

This post describes an equity screen for stocks in the metaverse theme. It selects names whose latest price is above the 250-day moving average and whose 20-day moving average is above the 120-day moving average. The first condition places price above a…

This post proposes screening equities for a daily price range of at least one unit, strong return on equity across five years, and a three-candle morning star pattern. The described pattern consists of an advancing candle, a small indecisive or lower candle,…

This document outlines a MetaTrader 4 Expert Advisor template that retrieves economic calendar events without using a DLL. It describes a basic news-state signal: the EA indicates whether an event falls within a configurable window before or after its…

This Chinese-language post outlines an equity screen that combines daily price movement with company profitability and a short-term price trend. Its initial rules require a price range of at least one unit, return on equity above 15% for five consecutive…

This Chinese stock-screening post combines a price-amplitude filter with a measure based on the prior day’s turnover and the ratio of current auction volume to prior volume. It selects stocks where that combined measure falls between 0.5 and 2, and which…

The document presents a Chinese equity screening rule that combines trading activity, short-term price location, and a multi-year profitability filter. It selects stocks with turnover between 3% and 12%, an opening price within 5% of the 10-day moving…

This article revisits volatility in option pricing, focusing on the constant-volatility assumption in Black–Scholes. It considers time-varying stochastic volatility, represents log volatility through a mean-reverting process, and motivates using a rougher…

This proposed stock screen selects main-board Chinese shares with RSI below 65, a daily gain above 1%, and at least two limit-up moves during the prior 500 days. The article interprets the RSI condition as indicating potential rebound room, the positive…

This Chinese-language note presents a stock screen requiring turnover between 3% and 12%, a three-day decline, and a circulating share count no greater than 5.5 billion shares. It describes the combination as targeting lower-priced or consolidating names…

This Chinese-language note proposes screening stocks with turnover between 3% and 12%, a positive increase in the K value of the KDJ indicator, and no limit-up close on the previous day. It frames the prior-day exclusion as a way to avoid stocks whose recent…

This brief introductory note defines a function as an organized, reusable block of code for carrying out one task or a related set of tasks. It highlights two basic benefits: functions make applications more modular and reduce repeated code. These ideas…

This Chinese stock-screening idea selects companies associated with the metaverse theme, requires a positive institutional-flow measure, and filters for a “today control” indicator above 21. The article presents the combination as a way to identify stocks…

This document describes a stock screen requiring turnover between 3% and 12%, a stock code beginning with 60, and a circulating share count no greater than 5.5 billion shares. It presents the turnover band as a liquidity filter and the float limit as a way…

This document outlines an A-share selection rule combining RSI below 65, an external-to-internal trading volume ratio above 1.3, and association with the metaverse theme. The intended logic is to use RSI as a technical condition, the volume ratio as a…

This document describes a short-term A-share screen using three conditions: daily amplitude above 1, the 9:25 gain below 6%, and today’s position increase ratio above 5%. It frames amplitude as a measure of volatility, the early price change as a short-term…

The document describes a stock screen combining three conditions: daily price amplitude above 1, the average price above its five-day moving average, and return on equity above 15% for five consecutive years. It presents this as a blend of a short-term…

The article reviews a historical-data study comparing value averaging (VA), dollar-cost averaging (DCA), and a randomized contribution schedule across equity, gold, and commodity indexes. DCA invests a fixed amount at regular intervals. VA instead sets a…

This post describes a Chinese equity screen that combines daily price amplitude, persistent large-order net volume, and membership in a beverage and alcohol industry group. Its stated intent is to find stocks with active trading and buying pressure for…

This stock selection rule filters for turnover between 3% and 12%, requires the product of the day’s percentage price change and a large-order net-flow measure to be positive, and adds positive institutional net buying as a further condition. The…

The document explains grid trading as a contrarian approach for markets that fluctuate around a reference price. An investor divides capital into units, buys as price falls through grid levels, and sells as it rises, seeking to realize gains from repeated…

The document presents a Chinese stock screening rule using price amplitude above 1, a three-consecutive-limit-up condition on the prior day, and MACD above its zero line. It frames amplitude and the recent limit-up streak as signs of active market interest,…

The document describes a Chinese stock screening rule combining three conditions: prior-day price amplitude above 1, appearance on the previous day’s 龙虎榜 (a public list of notable trading activity), and a circulating share count no greater than 5.5 billion…

The post proposes a Chinese equity screening idea that combines a capital-activity measure, Bollinger Band position, and a high dividend ratio. It describes selecting stocks whose closing prices lie above the middle band and below the upper band, alongside a…