SPY options: $944M premium turnover into 2026-07-22; largest line SPY260722P00748000 $17MSPY 期权异动：期权成交额约 $944M，到期 2026-07-22，最大合约 SPY260722P00748000 约 $17M
Options Flow Snapshot
On July 22, 2026, SPY (State Street SPDR S&P 500 ETF) saw elevated options activity: total volume hit 3,318,688 contracts, with total premium turnover of ~$944 million, equal to 4.6% of the underlying stock’s daily dollar volume. All activity centered on same-day-expiration near-the-money contracts, with the largest single trade being SPY260722P00748000: a $748 strike put option expiring July 22, 2026, with $17.45 million in premium turnover. The call-to-put volume ratio was 0.70, average call implied volatility (IV) outpaced put IV by 9.8 percentage points, and the at-the-money (ATM) straddle implied a 0.54% price move over the session.
Signal Read-Through
This signal combines two key features: concentrated same-day expiration put option volume and a call IV premium over put IV, reflecting short-term risk pricing in the large-cap ETF options market. This is an objective observation of options trading and pricing data, with no direct confirmation of active short positioning or hedging activity.
Fundamental and Event Cross-Check
As the largest S&P 500 ETF by assets, SPY’s options activity typically tracks broad market sentiment rather than single-stock events. Recent SEC filings (NPORT-P on May 28, 2026, and N-30D on May 29, 2026) show no material changes to its holdings structure; all recent public news covers broad market trends with no single targeted event for SPY.
Follow-Up Markers
This signal does not confirm any actual capital flows or future price movements. Traders and analysts should monitor SPY’s spot and options open interest changes over the next 1-2 trading sessions, as well as any subsequent macroeconomic data releases that could shift broad market sentiment.
期权成交结构
2026年7月22日，道富标普500ETF（SPY）的期权市场呈现高度活跃：总成交量达3,318,688张合约，总权利金成交额约9.44亿美元，相当于当日现货成交额的4.6%。当日到期的近月合约为核心成交标的，其中最大单笔活跃合约为SPY260722P00748000（行权价748美元的看跌期权，当日到期），权利金成交额达1745.18万美元。当日看涨期权与看跌期权成交量之比为0.70，看涨期权平均隐含波动率（IV）较看跌期权高出9.8个百分点，平价期权隐含波动幅度约0.54%。
信号含义
该信号属于当日到期看跌期权成交集中叠加看涨期权隐含波动率溢价的组合特征，反映了大盘ETF期权市场的短期风险定价行为。需明确，此为期权成交与定价的客观观察数据，未直接确认主动做空或避险交易意图。
基本面与事件交叉验证
SPY作为全球规模最大的标普500ETF，其期权成交通常反映大盘整体情绪而非单一标的事件。查阅近期SEC申报文件，2026年5月28日与29日分别提交的NPORT-P与N-30D文件显示其持仓结构未发生重大调整；近期公开新闻均为泛市场分析，无针对SPY的单一重大事件公告。
后续关注
该信号未证明任何实际资金流向或后续价格变动，需关注后续1-2个交易日的SPY现货与期权持仓变化，以及当日后续发布的宏观经济数据对大盘情绪的影响。
This analysis was generated by InvestLog AI based on SEC filings, Form 4 insider transactions, Form 144 planned-sale notices, 13F institutional holdings, analyst ratings, and market data. It is for informational purposes only and does not constitute investment advice.这篇研究由 InvestLog AI 基于 SEC 披露、Form 4 内部人交易、Form 144 计划减持、13F 机构持仓、分析师评级和市场数据生成。内容仅供参考，不构成投资建议。