longbridge

Behavioral finance application framework — identify cognitive biases in markets (overreaction, underreaction, disposition effect, anchoring, herding), translate them into quantifiable trading signals (momentum / reversal), and assess whether current market sentiment shows systematic bias. Triggers: "行为金融", "认知偏差", "过度反应", "反应不足", "处置效应", "锚定效应", "羊群效应", "市场情绪偏差", "行為金融", "認知偏差", "過度反應", "反應不足", "處

Account holdings — stock positions, fund positions, multi-currency assets / cash, margin ratio (initial / maintenance / forced liquidation), and estimated max buy/sell quantity for a symbol. Requires longbridge login. Triggers: "我的持仓", "我有什么股票", "账户余额", "我有多少美金", "基金持仓", "我能买多少股", "保证金率", "杠杆要求", "账户全貌", "我的持倉", "賬戶餘額", "我有多少美金", "基金持倉", "保證金率", "賬戶全貌", "my holdings", "stock positions", "account b

Pairs trading / statistical-arbitrage strategy via Longbridge Securities — tests cointegration between two correlated assets using the Engle-Granger (ADF) method, computes the optimal hedge ratio via OLS, calculates spread Z-score, half-life of mean reversion, and generates entry/exit signals (long spread when Z > 2, short spread when Z < -2, exit when |Z| < 0.5). Triggers: "配对交易", "统计套利", "协整", "

Quantitative statistics framework for time-series analysis using Longbridge price data — ADF unit root test (stationarity), cointegration (Engle-Granger / Johansen), GARCH volatility modelling (conditional heteroskedasticity), regression diagnostics (Durbin-Watson / Breusch-Pagan), bootstrap confidence intervals, hypothesis tests (t-test / F-test). Requires statsmodels and scipy. Triggers: "量化统计",

Risk measurement and stress testing via Longbridge — computes VaR (historical simulation / parametric), CVaR (expected shortfall), max drawdown, Sharpe ratio, Calmar ratio, and runs historical scenario stress tests (2008 GFC, 2020 COVID crash, 2022 rate-hike cycle). Triggers: "风险分析", "VaR", "压力测试", "最大回撤", "夏普比率", "CVaR", "历史情景", "尾部风险", "风险测量", "風險分析", "壓力測試", "最大回撤", "夏普比率", "歷史情景", "尾部風險", "風險測

Multi-factor cross-sectional stock-selection strategy via Longbridge Securities — scores stocks in an index or candidate pool on value (1/PE, 1/PB), momentum (60-day return), quality (ROE), and low-volatility (60-day HV) factors; standardises to Z-scores; composites with equal or IC-weighted combination; constructs a TopN long portfolio (high-score group) and bottom-N short portfolio. Triggers: "多

Market-level state from Longbridge Securities — market temperature index (0–100, higher = more bullish), trading session times (open/close), and the trading day calendar (with half-days). Triggers: "今天开盘吗", "今天美股开市吗", "几点开盘", "下个交易日", "市场情绪", "牛熊度数", "温度计", "市场温度", "今天開盤嗎", "幾點開盤", "下個交易日", "市場情緒", "溫度計", "is the market open", "trading hours", "next trading day", "market temperature", "market sent

Ichimoku Cloud (一目均衡表) five-line system signal engine for stocks listed in HK / US / A-share / Singapore via Longbridge Securities. Computes Tenkan-sen, Kijun-sen, Senkou Span A/B, and Chikou Span from OHLCV data; generates price-vs-cloud position, line-cross signals, and full trend-confirmation scores. Triggers: "一目均衡表", "一目云", "云图", "转折线", "基准线", "先行带", "迟行线", "云上", "云下", "一目均衡表", "一目雲", "雲圖", "

Account-level analysis via Longbridge — total market value, cash share, period P&L, single-stock contribution ranking, industry distribution, currency exposure, historical P/L curve. Requires longbridge login with trade scope. Triggers: "我账户表现", "我本月浮盈", "我哪只股票贡献最多", "我组合配置", "我货币暴露", "我账户行业分布", "账户全貌", "我賬戶表現", "我本月浮盈", "我哪隻股貢獻最多", "我貨幣暴露", "我賬戶行業分佈", "my account performance", "monthly P&L", "big

IPO full-lifecycle management via Longbridge Securities — HK/US IPO calendar, subscription/pending/listed rosters, individual IPO details and timelines, account IPO orders, and P&L analysis. Calendar and stock lists require no login; account order and P&L queries require Trade permission. Triggers: "新股", "IPO", "打新", "新股申购", "新股日历", "IPO日历", "待上市", "认购", "新股盈亏", "上市首日", "打新收益", "新股申購", "新股日曆", "IP

Corporate event-driven analysis via Longbridge Securities — captures and classifies events that create pricing dislocations: major-shareholder increases/decreases, equity incentives, private placements, rights issues, buybacks, M&A/restructuring, index rebalancing, and management changes. Combines filings, corporate actions, and shareholder data to produce event signals. Triggers: "公司事件", "事件驱动",

High-dividend stock screen via Longbridge — analyse high-dividend-yield strategies for A-shares / HK / US, filter for sustainable payout (reasonable payout ratio, free-cash-flow coverage), stable dividend history, and evaluate long-term total return potential. Triggers: "高分红", "股息率", "红利股", "高股息", "分红稳定", "现金分红", "股息策略", "红利策略", "高分紅", "股息率", "紅利股", "高股息", "分紅穩定", "現金分紅", "high dividend", "dividen