SPY options: $3.0B premium turnover into 2026-08-05; largest line SPY260814C00775000 $84MSPY 期权异动：期权成交额约 $3.0B，到期 2026-08-05，最大合约 SPY260814C00775000 约 $84M
Options Flow Snapshot
On August 5, 2026, the SPDR S&P 500 ETF (SPY) posted concentrated options activity: total option volume reached 6,273,900 contracts, with total premium turnover of $3,035,170,190 (~$3.035 billion), equal to 6.7% of the day’s SPY spot trading volume. The nearest expiration date was August 5, 2026, but the largest active contract was SPY260814C00775000, a call option with a $775 strike price expiring August 14, 2026 (nine days after the trading day), with $84 million in premium turnover and 144,577 contracts traded. The at-the-money (ATM) straddle implied move was ~0.62%, average near-the-money call IV was 70.6%, average put IV was 59.6%, with a 10.96 percentage point call-put IV skew favoring calls. The call-to-put volume ratio was ~1.02:1. This activity ranked 1st among the top 10 signals across 30 scanned symbols over 3 trading days.
Signal Read-Through
This is a concentrated volume + upside skew signal: the scale of options trading and premium volume is elevated, the largest single contract is a call option, and call IV exceeds put IV, indicating concentrated market positioning for near-term SPY upside, with overall bullish option pricing sentiment.
Fundamental and Event Cross-Check
SPY is a large-cap S&P 500 ETF with no quarterly EPS or revenue metrics. Cross-referencing recent market events: on August 4, 2026, the S&P 500 and Dow Jones both hit all-time highs, SPY spot price rose 1.80% that day, and easing geopolitical tensions provided a bullish market backdrop. May 2026 SEC filings (N-30D and NPORT-P) only disclosed standard fund holding structure with no recent position changes.
Follow-Up Markers
This signal only reflects August 5, 2026 SPY options trading and pricing structure, and does not directly confirm future price movement in either direction. Key follow-up items include: 1. verifying whether the largest call contract was an opening or closing position; 2. tracking SPY spot price and option IV changes over the next 1-2 trading days; 3. looking for additional institutional options flow signals to validate the positioning direction.
期权成交结构
2026年8月5日，标普500ETF（SPY）的期权市场出现集中成交信号：当日总期权成交量达6,273,900张合约，总权利金成交额3,035,170,190美元（约30.35亿美元），相当于当日SPY现货成交额的6.7%。当日最近到期日期权为8月5日当天，但最大单笔活跃合约为SPY260814C00775000（看涨期权，行权价775美元，2026年8月14日到期），权利金成交额达8,400万美元，成交量144,577张。当日平价期权隐含波动幅度约0.62%，看涨期权平均隐含波动率（IV）为70.6%，看跌期权平均IV为59.6%，看涨IV较看跌IV高出10.96个百分点，看涨看跌成交量比约为1.02:1。该成交信号在过去3个交易日扫描的30只标的中排名第1。
信号含义
本次信号属于集中成交叠加上行偏度类型：整体期权成交量和权利金规模显著，最大单笔合约为看涨期权，且看涨期权平均IV显著高于看跌期权，反映出市场参与者对SPY短期上行走势的集中押注意愿，同时整体期权定价情绪偏向乐观。
基本面与事件交叉验证
SPY作为全球规模最大的标普500ETF，无常规季度EPS或营收数据。交叉验证近期市场事件：2026年8月4日标普500与道指均创历史新高，当日SPY现货价格上涨1.80%，地缘政治紧张缓解的市场情绪为期权成交提供了背景支撑。2026年5月的SEC备案文件仅披露基金持仓结构，未体现近期持仓变动。
后续关注
本次信号仅反映当日SPY期权市场的成交与定价结构，无法直接证明后续股价将朝隐含方向变动。需后续关注：1. 该最大单笔看涨合约是建仓还是平仓；2. 后续1-2个交易日SPY现货价格与期权IV的变化；3. 是否有更多机构期权成交信号验证该持仓方向。
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。