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3,481 dokumen

BigQuant

The document proposes a holdings-based labeling system for domestic active equity funds, addressing the risk that fund names and stated mandates can misrepresent actual exposures and that theme funds may drift across industries. It assigns each stock one…

SahamPasar TiongkokKonstruksi portofolioInvestasi faktor
BigQuant

This tutorial outlines how to construct financial factors from quarterly or annual statements, whose time intervals differ from daily price data. It recommends processing the raw financial series with Python rather than applying operators designed for…

SahamInvestasi faktorStatistikPasar Tiongkok
BigQuant

This document explains a rolling Hurst exponent indicator intended to classify price behavior as persistent, anti-persistent, or close to a random walk. It estimates the exponent with rescaled-range analysis: price deviations are assessed over subsegments of…

Indikator teknikalStatistikMengikuti trenKembali ke rata-rata
BigQuant

This tutorial outlines a conventional trend-following strategy for Chinese stocks using short- and long-period moving averages. It describes entering when the short average is above the long average and exiting when it falls below, with trades placed at the…

SahamMengikuti trenIndikator teknikalBacktesting
BigQuant

This research note studies whether the timing of stock trading value within the day contains information beyond conventional turnover factors. It examines minute-level turnover distributions, a turnover-share factor over 240 minutes, higher moments, and…

SahamTrading frekuensi tinggiMikrostruktur pasarInvestasi faktor
BigQuant

This short learner reflection defines quantitative investing as using data to identify patterns that can inform investment decisions. It lists reduced need for continuous screen watching and a different way for programmers to examine markets as perceived…

StatistikPembelajaran mesin
BigQuant

This note reviews two studies on cross-sectional stock returns. The first asks whether a stock’s sensitivity to economic forecast uncertainty helps explain its returns. It reports that stocks in the lowest uncertainty-beta decile outperformed those in the…

SahamInvestasi faktorStatistikMikrostruktur pasar
BigQuant

This note defines abnormal turnover as a comparison between a stock’s recent average turnover and its longer-term average, using a 20-day window against a roughly 250-day window. It reports factor-test statistics and discusses whether the signal may be more…

SahamInvestasi faktorStatistikBacktesting
BigQuant

This report illustrates the Black–Litterman portfolio framework with a hypothetical industry-allocation exercise. It assumes an investor forming a 2020 allocation at the end of 2019, then combines four subjective views with market-implied equilibrium returns…

Konstruksi portofolioSahamManajemen risiko
BigQuant

This strategy selects China A-shares by circulating market capitalization, removes suspended and specially treated stocks, and holds the smallest-ranked names in equal weights. The described implementation targets 50 stocks and rebalances on the first…

Pasar TiongkokSahamInvestasi faktorKonstruksi portofolio
BigQuant

A BigQuant user asks why data in an M4 workflow contains many repeated dates after missing-data handling, with different values on rows sharing a date. The reported test window is May 1 through July 1, while the displayed data begins earlier and has repeated…

SahamBacktestingStatistik
BigQuant

The post presents a BigQuant SQL feature extraction query for Chinese stock data using the Resistance Support Relative Strength (RSRS) approach. It computes a regression slope of highs on lows, standardizes that slope using a rolling mean and standard…

Pasar TiongkokSahamIndikator teknikalBacktesting
BigQuant

This brief troubleshooting note addresses an error in a stock LSTM strategy template involving the training epoch parameter. It advises changing the model-fitting argument from the older `nb_epoch` name to `epochs`, while leaving the batch size and…

Pembelajaran mesinIndikator teknikal
BigQuant

This brief article proposes analyzing the relationship between ESG scores and conventional style-factor exposures to understand how ESG investment exposure may be obtained. Its stated analysis concerns US equities and fund data. The central idea is that if…

Investasi faktorSahamPasar AS
BigQuant

The document describes a framework for computing quantitative stock factors as recursive transformations of numerical indicators. It says factor logic can be defined with programming languages or XML: procedural languages suit more complex structures, while…

SahamInvestasi faktorPembelajaran mesinTrading frekuensi tinggi
BigQuant

The author describes a China A-share swing strategy that first narrows the universe to selected high-quality companies and blue chips, then uses a machine-learning model to identify timing patterns. The training labels are based on relative performance…

SahamPasar TiongkokPembelajaran mesinMengikuti tren
BigQuant

This opinion article argues that abrupt political statements can create sharp market swings and gaps that quantitative firms may exploit through rapid information processing and order placement. It contrasts quieter periods, when it characterizes systematic…

VolatilitasEksekusi tradingSentimen pasarSaham
BigQuant

This research summary considers adding investment themes to traditional multi-factor equity models. Themes are treated as possible sources of concentrated risk when they drive market moves, and as potential alpha sources when their returns carry information…

SahamPasar TiongkokInvestasi faktorManajemen risiko
BigQuant

This report summary discusses how investment themes can be incorporated into equity multi-factor models as both risk exposures and potential sources of return. It recommends selecting themes whose constituents share fundamental drivers and show statistically…

SahamPasar TiongkokInvestasi faktorManajemen risiko
BigQuant

This article explains a structure inference network (SIN) that augments object detection with scene context and relationships among candidate objects. It represents a scene with global image features, candidate regions as graph nodes, and pairwise…

Pembelajaran mesinStatistik
BigQuant

This report summary reviews Chinese A-share market conditions for April 7–10, 2020. It compares industry performance strength and relative price-to-earnings valuations, naming the strongest and weakest groups. It also tracks market breadth through the shares…

Pasar TiongkokSahamIndikator teknikalStatistik
BigQuant

This BigQuant forum fragment shows an initialization routine for a stock strategy. It sets the trading universe to the constituents of the CSI 300 and assigns an initial capital value through the strategy context. The snippet describes the default as one…

SahamPasar TiongkokBacktestingKonstruksi portofolio
BigQuant

The document explains why Pandas may warn when code assigns values through a slice of a DataFrame. Such a slice may be a copy rather than a view, so an attempted update can fail to change the original data or leave the result unclear. The example uses a…

Statistik