SPY options: $1.2B premium turnover into 2026-08-10; largest line SPY260814C00775000 $51MSPY 期权异动：期权成交额约 $1.2B，到期 2026-08-10，最大合约 SPY260814C00775000 约 $51M
Options Flow Snapshot
On August 8, 2026, the SPDR S&P 500 ETF (SPY) recorded total option volume of 3,807,257 contracts, with total premium turnover of ~$1.25 billion, equal to 4.4% of the underlying stock’s daily dollar volume. Call option volume totaled 2,009,364 contracts, put volume 1,797,893 contracts, for a call/put volume ratio of 1.12. The most active single contract was SPY260814C00775000: a call option expiring August 14, 2026, with a $775 strike price, 136,560 contracts traded, and ~$51 million in premium turnover. Average near-the-money call implied volatility (IV) was 45.3%, average put IV 32.3%, for a -13.02 percentage point skew (call IV higher than put IV). The ATM straddle implied daily move was 0.52%, and this activity ranked in the top 10 across 30 scanned symbols over three trading days.
Signal Read-Through
This is a call-heavy option concentration signal, with three core traits: higher call option volume share, outsized premium volume for a single call option contract, and a significant call IV premium over put IV, reflecting near-term market pricing of greater upside risk for the underlying. Total option activity also signals elevated near-term trading interest.
Fundamental and Event Cross-Check
As the largest listed S&P 500 ETF, SPY’s option flow directly reflects broad U.S. large-cap market sentiment. Independent cross-verified signals include: the S&P 500 closed at a record high on August 7, 2026, posting its best weekly performance since April, with SPY’s underlying price rising 0.61% that day; contemporaneous market commentary linked the rally to payroll data reinforcing Federal Reserve rate hike expectations. The most recent SEC filings are May 2026 N-30D and NPORT-P disclosures, with no recent insider transaction or large institutional position shift data available.
Follow-Up Markers
Traders and analysts should monitor changes in SPY option open interest ahead of the August 10, 2026 expiration date, plus subsequent trading activity for the August 14 expiring $775 call contract. This signal only reflects the structure and volume of option trading on the observed date; it does not confirm that the underlying price will move in a specific direction, nor does it signal a long-term market trend.
期权成交结构
2026年8月8日，标普500ETF（SPY）的期权总成交量达3,807,257张，总权利金成交额约12.5亿美元，占当日标的股票成交额的4.4%。其中看涨期权成交量2,009,364张，看跌期权1,797,893张，看涨看跌成交量比为1.12。当日最活跃合约为SPY260814C00775000：2026年8月14日到期、行权价775美元的看涨期权，成交量136,560张，权利金成交额约5100万美元。近价内期权的平均看涨隐含波动率（IV）为45.3%，平均看跌IV为32.3%，波动率偏斜为-13.02个百分点（看涨IV高于看跌），当日ATM跨式组合隐含波动幅度为0.52%，该交易活跃度位列30只标的扫描后的Top10。
信号含义
该信号属于看涨主导的期权成交集中度信号，核心特征包括：看涨期权成交量占比更高、单一看涨期权合约权利金规模突出、看涨期权隐含波动率显著高于看跌期权，反映市场短期对标的上行的定价更强，同时期权整体交易活跃度处于近期高位。
基本面与事件交叉验证
SPY作为全球规模最大的标普500ETF，其期权交易数据直接反映大盘情绪。交叉验证的独立信号包括：2026年8月7日标普500收创纪录新高，录得4月以来最佳周表现，当日SPY标的价格上涨0.61%；同日非农数据强化美联储加息预期的市场解读。最近的SEC备案为2026年5月底的N-30D和NPORT-P披露，未出现近期内幕交易或机构持仓大幅调整信号。
后续关注
需关注8月10日（最近到期日）前的SPY期权持仓变化，以及8月14日到期的大额看涨合约的后续成交动向。该信号仅反映期权交易的结构与活跃度特征，未证明标的价格会出现特定方向的变动，也不代表长期投资情绪的趋势。
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。