MU options: estimated premium turnover $1.2B; largest line MU260819C00950000 $28M (expires 2026-08-19)MU 期权异动：所扫描合约成交权利金估算约 $1.2B；最大合约 MU260819C00950000 约 $28M（2026-08-19 到期）
Options Flow Snapshot
On August 19, 2026, Micron Technology (MU) underlying stock closed at $940.76. That trading session saw 593,745 option contracts trade, with estimated premium turnover of $1.2 billion. The nearest expiration was same-day (August 19, 2026). The largest active contract was the $950 strike call option MU260819C00950000, with ~$28 million in estimated premium turnover. Total call volume hit 332,725 contracts, with put volume at 261,020, for a 1.27 call/put volume ratio. The ATM straddle implied move was ~3.0%, average near-the-money call IV was 67.8%, average put IV 82.3%, creating a 14.4 percentage point put/call IV skew. The session ranked 2nd out of 30 scanned symbols over 3 trading days.
Signal Read-Through
This signal combines concentrated call option volume with a downside skew: put IV is notably higher than call IV, signaling market pricing of elevated downside risk. Daily option premium turnover equals 3.6% of the underlying stock’s dollar volume, indicating above-average options market activity for the session.
Fundamental and Event Cross-Check
Concrete independent validation signals include: CEO Sanjay Mehrotra filed multiple Form 4 insider sales on July 28, 2026, totaling ~7,000 shares sold for ~$9.9 million; analyst ratings have stayed neutral-to-positive since June 2026, with strong sell ratings falling from 1 in May 2026 to 0; as of December 31, 2025, institutional holdings accounted for 78.4% of MU’s float, with 680 new institutional positions added that quarter.
Follow-Up Markers
1. Track post-settlement open interest changes for the August 19, 2026 expiration contracts; 2. This signal only reflects the skew and concentration of that day’s options trading, and does not confirm the existence of targeted large-scale position building; 3. Monitor Micron’s September 22, 2026 quarterly earnings report and subsequent institutional holding adjustments.
期权成交结构
2026年8月19日，美光科技（MU）标的股价报940.76美元，当日期权市场成交593,745份合约，所扫描合约权利金成交额估算约12亿美元。最近到期日为当日（2026-08-19），其中最大成交合约为行权价950美元的看涨期权MU260819C00950000，权利金成交额约2800万美元。当日看涨期权成交量332,725份，看跌期权261,020份，看涨看跌成交量比1.27；平价期权隐含波动幅度约3.0%，看涨期权平均隐含波动率67.8%，看跌期权平均82.3%，看跌与看涨隐含波动率差值达14.4个百分点。该日期权成交活跃度在3个交易日扫描的30只标的中排名第2。
信号含义
该信号属于看涨期权成交集中叠加下行偏斜结构：看跌期权隐含波动率显著高于看涨期权，反映市场对下行风险的定价更高；同时单日期权权利金成交额约为标的股票当日成交额的3.6%，成交活跃度突出。
基本面与事件交叉验证
可交叉验证的独立信号包括：美光CEO Sanjay Mehrotra于2026年7月28日提交多份Form 4内部减持文件，累计减持约7000股，总金额约990万美元；2026年6月以来分析师评级整体维持中性偏多，强力卖出评级从5月的1席降至0席；2025年底机构持仓占美光浮筹78.4%，当季新增680家机构持仓。
后续关注
1. 需跟踪2026年8月19日期权到期后的持仓变动；2. 该信号仅反映当日期权成交的偏斜与集中特征，未证明存在定向大额头寸建仓；3. 可关注2026年9月22日发布的美光季度财报及后续机构持仓调整。
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。