নলেজ লাইব্রেরি

The document presents a stock-selection idea based on a reported buying-interest measure above 5%, a price below 12, and an upward-sloping 30-day average. It describes these conditions as a way to find lower-priced stocks with buying demand and a rising…

The document outlines an A-share stock screen combining a 14-period RSI below 65, positive net profit growth between 20% and 100%, and a positive 10-day price change capped at 35%. Its SQL example adds further filters, including positive net profit, exchange…

This document describes helper calculations commonly used to construct quantitative signals from price or other tabular time series. Its functions cover rolling sums, averages, standard deviations, correlations, covariances, ranks, products, extrema,…

This document is a brief summary of a research presentation on changes in quantitative investing. It outlines a model that combines a linear factor component with a nonlinear function of factor exposures, leaving a residual term. It says that residual…

This Chinese-language post presents an A-share screening rule combining metaverse-sector membership, a circulating market capitalization threshold, and a set of price conditions involving the current and previous daily candles. The conditions require the…

This guide explains a key difference between JavaScript and C++ strategies on the FMZ Quant Trading Platform: how API calls signal failure. In JavaScript, a failed ticker request returns null, so a strategy can test whether the result exists before using it.…

This guide describes operational details for trading Gate.io perpetual futures through the FMZ platform. It explains that contracts are USD-denominated, BTC-settled, and represented as swaps, and notes the platform’s stated contract value. It also covers…

This support thread documents startup and model-browser failures after configuring AI services in VeighNa Station. Users report that an OpenAI-compatible provider failed during model listing, with errors arising when the client parsed the provider response.…

This forum post questions the target-return calculation in a one-day equity strategy’s labeling code. The strategy is described as buying near the open on one day and selling at the close of the next, yet the label reportedly divides a later session’s high…

The proposed Chinese equity screen selects stocks with an amplitude above one, excludes those that closed at the prior day’s upper limit, and requires the prior day’s 9:15 matching price to be at the lower limit. The stated rationale is that a sharp downside…

The document describes a chart indicator that applies the XRSX algorithm to a relevant price time series and displays the processed values as a sequence of candlesticks. The stated purpose is to make the indicator’s information more useful for visual…

This brief description presents an example of plotting a function’s spectrum using a Fast Fourier Transform library. The input can be either a test signal formed by summing three sinusoids with differing parameters or market closing prices. This outlines a…

This stock screen combines three conditions: prior-session price amplitude above 1%, tradable shares no greater than 5.5 billion, and prior auction turnover above 0.26. The article explains the intended rationale: a larger range may identify short-term…

The Fibo ZigZag indicator identifies successive price highs and lows, measures the distance between them, and plots retracement percentages from the swing extremes. The listed levels are 23.6%, 38.2%, 50%, and 61.8%. It is described as a revised version of…

This indicator uses a smoothed Average Directional Movement Index to mark trend direction and apparent strength on the price chart. It compares the positive and negative directional lines: when the positive line is higher, the chart displays a lime dot; when…

This proposed screen targets mainland Chinese main-board stocks classified in the metaverse industry. It ranks candidates by the day’s opening-auction amount, takes the top five, and requires the current price to be more than 1% above the open. A Python…

This proposed Chinese A-share screen selects stocks with at least two limit-up sessions over a 500-day lookback and excludes Beijing-listed shares. The post interprets repeated limit-ups as a sign of strong price action, but provides no backtest results or…

This legacy LumiBot guide explains how to connect a trading strategy to Interactive Brokers through Trader Workstation (TWS). It identifies the API settings to enable, including ActiveX and socket clients, and says to turn off read-only access. It…

This forum post raises operational problems encountered after submitting previously successful stock strategies for simulated trading. The author reports that some buy instructions appear a day early and are later marked invalid, that incomplete purchases…

This document describes a simple Chinese equity screening rule: select stocks with turnover between 3% and 12%, a ten-day gain above zero but below 35%, and a price below 12. Its accompanying example code also excludes selected exchange segments, stocks…

The article discusses a leveraged Martingale approach to trading LTC/USDT perpetual contracts. It proposes changing the traditional doubling rule to a smaller add-on multiplier so the strategy can withstand more adverse price movement, then withdrawing…

This indicator first finds the median closing price within a rolling window, then averages successive median values using a simple moving-average calculation. The median is intended to represent the middle observation in a sample, while the later averaging…

This proposed stock screen looks for shares with daily amplitude above 1, a reversal or engulfing-style pattern, and no limit-up move on the previous day. Its intended logic is to find volatile stocks showing a change in recent price direction while…

This stock-screening proposal combines daily price amplitude above 1, upward divergence in moving averages, exclusion of special-treatment stocks, and a limit-up-related condition. It aims to find volatile shares with rising price action and liquidity. The…