美股期权交易，做市商的 Gamma 敞口（GEX）和 Max Pain 是判断支撑/阻力、波动锚点非常关键的参考维度。
核心看点：
- 16 个高流动性标的覆盖：
大盘指数 ETF（SPY、QQQ、SPXW、XLE）与核心科技股（SPCX、NVDA、TSLA、AAPL、MSFT、GOOGL、AMZN、META、AMD、MU、ARM、SNDK）。 - 专业计算模型：
- Max Pain：遍历所有执行价的内在价值赔付和，精确求解庄家/做市商赔付最小位。
- 动态 GEX 重算：标准 Black-Scholes 重新拟合，区分 Call（正向）与 Put（负向），标注做市商净敞口翻转点（Range Flip）及前三大净敞口点位。
- 70% 绝对 Gamma 集中区：自动计算 Gamma 敞口最集中的最窄连续区间并以阴影高亮，直观呈现近端行情的核心波动箱体。
- 好用的图表交互：
- 顶部 Dropdown 支持一键切换 「最近有效到期」、「下周到期」、「下月到期」。
- 单图支持 横向放大、缩小、平移滑块与一键 Reset，放大只改变视觉视野，不压缩底层点位口径。
- 搭配财报与宏观事件模块（可通过顶部按钮无缝互跳：terrytan.dev/earnings）。这个每周日更新下一周的事件时间表.
纯静态加载，无任何第三方追踪与复杂框架，秒开体验。欢迎各位交易员朋友试用，有任何希望加入的标的或算法指标欢迎交流！
所有期权策略的介绍
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See also:
- https://www.optionsprofitcalculator.com/ Options Profit Calculator provides a unique way to view the returns and profit/loss of stock options strategies.
- https://optioncreator.com/ Options Strategy Builder & Analyzer Online