Stock Info Explorer

Multi-asset correlation and cointegration analysis via Longbridge Securities — computes Pearson / Spearman return correlation matrix for 2–10 symbols, rolling 60-day correlation, Engle-Granger cointegration (ADF unit root), and spread half-life (AR(1) estimate). Used for portfolio decorrelation and pairs-trading pre-screening. Triggers: "相关性", "协整", "相关系数", "相关矩阵", "滚动相关", "去相关", "多标的相关", "相關性", "協整", "相關係數", "相關矩陣", "滾動相關", "去相關", "correlation", "cointegration", "correlation matrix", "rolling correlation", "Pearson", "Spearman", "decorrelation", "multi-asset correlation", "ADF test", "相关分析", "相關分析", "pairwise correlation".

On-chain data analysis framework — covers active addresses, whale behaviour, TVL (total value locked), DEX liquidity, and on-chain valuation metrics: MVRV (market cap / realised value), NVT (network value / transaction volume), SOPR. Longbridge provides spot crypto quotes (.HAS); raw on-chain data requires external sources (Glassnode / Dune Analytics). Triggers: "链上数据", "链上分析", "MVRV", "NVT", "活跃地址", "鲸鱼地址", "TVL", "SOPR", "链上指标", "链上估值", "鏈上數據", "鏈上分析", "活躍地址", "鯨魚地址", "鏈上指標", "鏈上估值", "on-chain data", "on-chain analysis", "MVRV ratio", "NVT ratio", "active addresses", "whale activity", "TVL", "SOPR", "on-chain valuation", "DeFi TVL", "crypto on-chain".

SEC 13F fund-manager–centric view via Longbridge — top-50 active institutional investors by AUM, a specific manager's full portfolio snapshot (by CIK), and quarter-over-quarter holding changes (NEW / ADDED / REDUCED / EXITED). US stocks only. Different from longbridge-flows (stock-centric: who holds a symbol); this skill is manager-centric. Triggers: "基金经理持仓", "机构持仓排名", "大基金持仓", "巴菲特持仓", "贝莱德持仓", "13F基金视角", "基金经理排名", "AUM排名", "季度持仓变化", "基金經理持倉", "機構持倉排名", "大基金持倉", "13F基金視角", "季度持倉變化", "fund manager holdings", "institutional investor", "13F portfolio", "Berkshire holdings", "BlackRock positions", "fund manager ranking", "AUM ranking", "quarterly position changes", "CIK lookup".

Financial regulatory knowledge base — A-shares (10% / 5% ST price limits, T+1 settlement, short-selling rules, new delisting rules), HK (T+0 short-selling, no price limits, odd-lot / grey market, profit test, insider dealing ordinance), US (PDT rule $25k threshold, Reg T margin, circuit breakers, SEC rules), crypto regulation, cross-border tax basics. Triggers: "监管规则", "涨跌停", "T+1", "融券", "退市", "做空规则", "PDT规则", "熔断", "保证金", "印花税", "監管規則", "漲跌停", "融券", "退市", "做空規則", "PDT規則", "熔斷", "保證金", "印花稅", "regulatory rules", "circuit breaker", "short selling rules", "PDT rule", "margin requirements", "stamp duty", "delisting rules", "trading rules", "settlement rules".

Risk-return optimisation for investment portfolios via Longbridge — builds risk-adjusted return-optimal portfolios based on fund size, risk preference (conservative / balanced / aggressive), and investment horizon. Asset allocation across equities / bonds / cash / commodities / alternatives. Evaluates current portfolio efficiency versus the efficient frontier. Triggers: "风险收益优化", "组合效率", "有效前沿", "风险偏好配置", "最优组合", "风险调整收益", "大类资产配置", "投资组合优化", "風險收益優化", "組合效率", "有效前沿", "風險偏好配置", "最優組合", "risk-return optimization", "portfolio efficiency", "efficient frontier", "risk preference", "optimal portfolio", "risk-adjusted return", "asset class allocation", "portfolio optimisation", "mean variance".

Bitcoin cycle timing model with weighted scoring system. Tracks 13 indicators across 2 categories — Daily Pulse (4 indicators, 32 points) and Weekly Structure (9 indicators, 68 points) — producing a composite 0-100 Market Heat Score. Covers ETF flows, funding rate, long/short ratio, fear & greed index, LTH-MVRV, NUPL, SOPR (LTH + STH), LTH supply %, moving average multiples (365d MA, 200w MA), weekly RSI, and volume trends. Provides both buy AND sell recommendations across the full market cycle. Use this skill when users mention Bitcoin bottom-fishing, BTC cycle position, whether to buy or sell BTC, on-chain metrics, MVRV, NUPL, SOPR, LTH behavior, ETF inflows/outflows, funding rates, fear index, whether Bitcoin is overheated, miner cost, crypto market sentiment, BTC position sizing, or any question like "Should I buy Bitcoin now?" or "Is BTC topping out?" or "What do on-chain indicators say?"