SPY options: $1.1B premium turnover into 2026-08-07; largest line SPY260807P00770000 $22MSPY 期权异动：期权成交额约 $1.1B，到期 2026-08-07，最大合约 SPY260807P00770000 约 $22M
Options Flow Snapshot
On August 7, 2026, State Street SPDR S&P 500 ETF (SPY) had an underlying price of $768.60, with 3,447,095 total same-day expiry option contracts traded, generating aggregate premium turnover of ~$1.1B, equal to 4.2% of SPY’s underlying stock dollar volume on the session. This activity ranked 1st among 30 scanned symbols over the prior 3 trading days. The largest single active contract was SPY260807P00770000: a $770 strike put option, with 79,144 contracts traded and $22M in premium turnover. The call/put volume ratio was 0.83, the ATM straddle implied price move was 0.6%, average call implied volatility (IV) was 46.2%, average put IV was 62.6%, representing a 16.4 percentage point put/call IV skew.
Signal Read-Through
This is a near-term downside skew concentration signal, driven by outsized put option activity including a single large $770 strike put position. Elevated put IV relative to call IV and lopsided call/put volume reflect concentrated short-dated downside positioning or hedging, rather than broad longer-tenor directional trading.
Fundamental and Event Cross-Check
SPY, a S&P 500 tracking ETF, has no recent corporate earnings or action announcements; its latest SEC filings are the May 2026 N-30D and NPORT-P forms, with no intervening insider transactions, analyst rating changes, or institutional position disclosures in the prior 10 weeks. No concurrent macro or corporate events tied to SPY were released on this date, so the options activity reflects short-term market positioning rather than catalyst-driven trading.
Follow-Up Markers
This signal does not confirm an imminent SPY price decline, as same-day expiry options often include intraday liquidity trades or hedging activity. Key follow-up steps include monitoring SPY’s closing price on August 7, 2026, and tracking post-expiry activity for the $770 put contract to assess whether positioning was rolled or closed. This signal also does not indicate longer-term S&P 500 directional trends.
期权成交结构
2026年8月7日，标普500ETF（SPY）标的价格为768.60美元，当日到期的期权合约总成交量达3,447,095张，期权成交额约11亿美元，占当日SPY股票成交额的4.2%。该成交活动为过去3个交易日内扫描30只标的后排名第1的信号。其中最大单笔成交合约为SPY260807P00770000，即行权价770美元的看跌期权，成交79,144张，成交额达2200万美元。当日看涨看跌成交量比为0.83，平值期权隐含波动幅度0.6%，看跌期权平均隐含波动率（IV）62.6%，较看涨期权平均IV（46.2%）高出16.4个百分点。
信号含义
本次信号属于短期下行偏斜集中类型，核心特征为同日期到期期权中看跌期权活跃度显著高于看涨期权，且存在单笔大额看跌持仓，同时看跌隐含波动率显著高于看涨期权，反映市场参与者在当日临近到期时的下行风险对冲或定向看跌短期持仓行为。
基本面与事件交叉验证
SPY作为跟踪标普500指数的ETF，无近期企业盈利或公司行动公告；最新SEC备案为2026年5月的N-30D和NPORT-P表格，期间无公开的内幕交易、分析师评级调整或机构持仓变动披露。当日无关联的宏观或公司事件发布，期权活动未伴随明确的基本面催化剂。
后续关注
本信号无法证明SPY当日将出现价格下跌，因为同日期到期期权常包含日内流动性交易或对冲操作。后续需关注2026年8月7日SPY的收盘价，以及该大额770美元看跌期权到期后的持仓滚动或平仓情况，同时该信号不代表标普500指数的长期走势。
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。