🔧 证券投资工具

📚 (净资产 − 优先股) / 流通股Book Value Per Share 每股账面价值（BVPS）计算器：输入净资产、优先股与流通股数，按 (净资产−优先股)/流通股 求每股净资产，用于估值分析。Book Value Per Share - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Securities Investment to... 📊 Beta系数计算器Beta Coefficient Calculator 输入个股与市场收益率序列，计算 Beta 系数、协方差与相关系数，衡量个股相对大盘的系统风险，用于 CAPM 定价与组合风险评估。Beta Coefficient Calculator - calculate online, free and accurate. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of th... 📐 债券凸性计算器Bond Convexity 债券凸性计算器Bond Convexity - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Securities Investment tools. 📈 债券久期计算器Bond Duration 债券久期计算器Bond Duration - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Securities Investment tools. 🎯 仓位管理计算器Position Sizing 输入胜率、盈亏比或单笔可承受亏损资金，用凯利公式 f* = W − (1−W)/R 计算最优仓位比例，或按固定风险法确定下单手数。Position Sizing - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Securities Investment tools. 💵 债券收益率估算Ytm Approx 债券收益率（YTM）近似估算工具，输入面值、现价、票息与到期年限，用近似公式快速计算到期收益率，辅助债券投资回报评估，纯前端。Ytm Approx - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Securities Investment tools. 🔲 协方差 / 市场方差β Coefficient Calculate β 系数（Beta）在线计算器，输入个股与市场收益率序列，计算协方差与市场方差之比求得系统性风险系数，用于 CAPM 与组合分析，纯前端。β Coefficient Calculate - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Securities Investment... ⚖️ 夏普比率计算器Sharpe Ratio 输入组合收益率、无风险利率与收益率标准差，按 Sharpe = (Rp − Rf)/σp 计算夏普比率，衡量每单位波动的超额回报，用于基金比较。Sharpe Ratio - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Securities Investment tools. 📈 市场收益 − 无风险利率Market Risk Premium 市场风险溢价计算器，输入股票市场预期收益率与无风险利率，求得股权风险溢价（ERP），用于 CAPM 与资产估值，适合投资分析教学，纯前端。Market Risk Premium - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Securities Investment tools. 📈 布林带上下轨（标准差）计算Bollinger Bands Calculator (Upper / Lower / Std Dev) 计算布林带中轨(SMA)、上轨、下轨、%B 及带宽(Bandwidth)Compute Bollinger Bands: midline, bands, %B and bandwidth. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Securi... 🧾 年息 / 现价Current Yield 输入债券年利息与当前市价，按当前收益率 = 年利息 / 债券现价 计算，用于比较不同债券的固定收益水平与到期前票息回报。Current Yield - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Securities Investment tools. 📈 戈登增长模型估值Ddm Price 输入预期次年股息、折现率与永续增长率，按 P = D₁/(r−g) 用戈登增长模型估算稳定增长股票内在价值，用于股息贴现估值。Ddm Price - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Securities Investment tools. 📈 技术指标计算器Technical Indicator 输入一段收盘价序列，计算移动平均MA、指数平滑异同MACD、相对强弱RSI与随机指标KDJ，辅助判断行情趋势与买卖信号，用于技术分析。Technical Indicator - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Securities Investment tools. 📈 日波动率 × √252Annualized Volatility 输入日波动率（或日收益率标准差）与年交易日数，按年化波动率 = 日波动率 × √交易日数 折算年化波动，用于风险评估与期权定价。Annualized Volatility - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Securities Investment t... 📉 最大回撤计算Maximum Drawdown Calculator 输入组合净值序列（每行一个数值），计算峰值到谷底的最大回撤、回撤恢复周期、年化收益与卡玛比率，并绘制回撤曲线。Analyze portfolio maximum drawdown. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Securities Investment tools. 📞 欧式看涨期权定价Black Scholes Call Black-Scholes 欧式看涨期权定价计算器，输入标的价、行权价、波动率、无风险利率与期限，输出理论期权价格与希腊字母，辅助衍生品估值，纯前端。Black Scholes Call - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Securities Investment tools. 📲 欧式看跌期权定价Black Scholes Put Black-Scholes 欧式看跌期权定价计算器，输入标的价、行权价、波动率、无风险利率与期限，输出理论期权价格与希腊字母，辅助衍生品估值，纯前端。Black Scholes Put - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Securities Investment tools. 🥧 每股股利 / 每股收益Dividend Payout 股利支付率计算器：输入每股收益 EPS 与每股股利 DPS，按 DPS/EPS 求股利支付率，衡量公司分红比例与留存政策。Dividend Payout - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Securities Investment tools. 🌿 由个股与市场收益率协方差与方差求 βBeta Covariance 输入个股与市场收益率的协方差、市场收益率方差，按 β = Cov/Var 求 Beta 系数，用于快速评估资产相对市场的系统性风险敞口。Beta Covariance - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Securities Investment tools. 📊 由主动收益序列求信息比率Information Ratio 信息比率（IR）计算器：输入主动收益序列均值与跟踪误差，求 IR = 平均主动收益/跟踪误差，评估基金经理超额收益稳定性。Information Ratio - format text online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Securit... 🎯 由主动收益序列求跟踪误差Tracking Error 输入组合与基准的超额收益序列（逗号或空格分隔），计算跟踪误差 TE = std(r_p − r_b)，衡量主动管理偏离基准的波动风险。Tracking Error - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Securities Investment tools. 🔁 由买卖价与股息求持有期收益率Holding Return Stock 输入买入价、卖出价与持有期股息，按 r = (P₁ − P₀ + D)/P₀ 计算持有期收益率，含分红的总回报，用于基金与个股业绩评估。Holding Return Stock - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Securities Investment to... 📉 由价格峰值与谷值求最大回撤Max Drawdown 最大回撤计算器：输入区间价格峰值与谷值，按 (峰值−谷值)/峰值 求最大回撤，衡量投资风险与下行幅度。Max Drawdown - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Securities Investment tools. 🏢 由市值、债务与现金求企业价值Enterprise Value 输入股票市值、总债务与现金及等价物，按 EV = 市值 + 债务 − 现金 计算企业价值，用于跨资本结构比较公司收购估值。Enterprise Value - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Securities Investment tools. ⚖️ 由市盈率与盈利增长率求 PEGPeg Ratio 输入市盈率 PE 与盈利增长率 g（百分比），按 PEG = PE/(g×100) 计算，将增长纳入估值比较，用于判断高成长股是否被高估。Peg Ratio - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Securities Investment tools. 📈 由日波动率求年化波动率Annualized Vol 年化波动率计算器：输入日波动率 σ_日，按 √252 个交易日换算年化波动率，用于投资组合风险度量与波动评估。Annualized Vol - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Securities Investment tools. 📚 由每股净资产与股价求账面市值比Book to Market 输入每股净资产 BVPS 与当前股价，按 B/M = BVPS / P 求账面市值比，用于价值股筛选与因子投资中的估值水平比较。Book to Market - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Securit... 💯 由每股收益与股价求盈利收益率Earnings Yield 输入每股收益 EPS 与股价，按盈利收益率 = EPS / P 计算，相当于市盈率的倒数，用于横向比较股票盈利回报与债券收益率。Earnings Yield - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Securities Investment tools. 💧 由每股自由现金流与股价求收益率Fcf Yield 输入每股自由现金流 FCF 与股价，按收益率 = FCF / 股价 计算自由现金流收益率，用于评估企业真实现金回报与估值安全边际。Fcf Yield - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Securities Investment tools. ↘️ 由行权价与权利金求看跌期权盈亏平衡价Option Breakeven Put 输入看跌期权行权价与支付权利金，按 BE = 行权价 − 权利金 计算盈亏平衡股价，用于买入看跌策略的止损与获利边界分析。Option Breakeven Put - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Securities Investment to... 🛡️ 由账户权益与持仓市值求保证金比例Margin Requirement 输入账户权益与持仓市值，按保证金比例 = 权益 / 持仓市值 计算，用于监控融资融券或期货账户的保证金占用与风险水平。Margin Requirement - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Securities Investment tools. 📈 由预期股利、要求收益率与增长率求股价Gordon Growth Price 输入预期每股股利 D₁、要求收益率 r 与股利增长率 g，求合理股价。Gordon Growth Price - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Securities Investment tools. 📊 组合收益率计算器Portfolio Return 输入各持仓资产金额与对应收益率，计算加权平均的组合收益率，用于评估多资产投资组合的整体表现与资产配置效果。Portfolio Return - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Securities Investment tools. ⚖️ 股价 / 每股账面价值Price to Book 市净率（P/B）计算器：输入股价与每股账面价值 BVPS，求 P/B = 股价÷BVPS，用于股票估值高低判断。Price to Book - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Securiti... 🏢 股价 × 总股本Market Cap 总市值计算器：输入股价与总股本，按 股价×总股本 求公司总市值，用于上市公司规模评估与指数权重判断。Market Cap - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Securities Investment tools. 📈 股票盈亏计算Stock Profit / Loss Calculator 输入买入价、卖出价、股数与佣金税费，计算股票交易的毛利润、净盈亏与收益率，用于复盘交易成本与真实盈利估算。Compute stock trading profit and loss. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Securities Investment tools. 🎯 行权价 + 权利金Option Breakeven Call 看涨期权盈亏平衡计算器：输入行权价与权利金，求 盈亏平衡 = 行权价 + 权利金，用于期权交易损益分析。Option Breakeven Call - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Securities Investment t... 💯 资本资产定价模型Capm Return 资本资产定价模型（CAPM）计算器：输入无风险利率、β 与预期市场收益率，求资产期望收益率，用于资产定价与回报评估。Capm Return - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Securities Investment tools.