MU options: $1.4B premium turnover into 2026-08-17; largest line MU260821C01000000 $42MMU 期权异动：期权成交额约 $1.4B，到期 2026-08-17，最大合约 MU260821C01000000 约 $42M
Options Flow Snapshot
On August 17, 2026, Micron Technology (MU) traded at $1,011.75 per share, with total listed option volume of 1,094,179 contracts and total premium turnover of ~$1.4 billion, equal to 4.3% of the underlying stock’s daily dollar trading volume. The nearest option expiration was August 17, 2026, with call volume hitting 657,283 contracts and put volume at 436,896 contracts, for a call/put volume ratio of ~1.50. The most active single contract was MU260821C01000000: a call option expiring August 21, 2026, with a $1,000 strike price, 11,887 contracts traded, and $42 million in premium turnover. The at-the-money (ATM) straddle implied price move was ~0.3%, with average near-the-money call IV at 112.5% and average put IV at 301.8%, creating a put/call IV skew of 189.3 percentage points.
Signal Read-Through
This signal combines downside skew and volume concentration: the elevated put IV relative to call IV shows market participants are pricing in significantly higher near-term downside risk for MU than upside risk. The elevated total daily volume and large single-contract premium turnover also indicate targeted options positioning, particularly concentrated bullish bets on the $1,000 strike for the August 21 expiration.
Fundamental and Event Cross-Check
We cross-reference with public independent disclosures: On July 28, 2026, Micron CEO Sanjay Mehrotra filed multiple Form 4 documents disclosing sales totaling ~$7.9 million in company common stock. Additionally, as of June 2026, analyst ratings were overwhelmingly buy/strong buy (9 strong buys, 30 buys) with no broad rating cuts. As of December 31, 2025, 2,805 institutional holders held 78.4% of MU’s float, with total holdings valued at $251.6 billion.
Follow-Up Markers
Watch for continued option volume or open interest changes ahead of the August 21, 2026 expiration, as well as Micron’s quarterly earnings report due September 22, 2026. This signal does not confirm the future direction of the underlying stock’s price movement, nor does it indicate future trading activity by insiders or institutional holders.
期权成交结构
2026年8月17日，美光科技（MU）的场内期权总成交量达1,094,179张合约，期权溢价总成交额约14亿美元，相当于当日个股美元成交量的4.3%。当日标的股价为1,011.75美元，最近到期日为2026年8月17日，其中看涨期权成交量657,283张，看跌期权436,896张，看涨/看跌成交量比率约1.50。最活跃的单一合约为MU260821C01000000：2026年8月21日到期、行权价1000美元的看涨期权，成交量11,887张，溢价成交额达4200万美元。平值期权隐含波动幅度约0.3%，近价看涨期权平均隐含波动率(IV)为112.5%，看跌期权平均IV为301.8%，看跌-看涨IV偏斜达189.3个百分点。
信号含义
本次信号属于下行偏斜与成交集中结合的类型：看跌期权隐含波动率远高于看涨期权，显示市场参与者对美光科技短期下行风险的定价显著高于上行风险；同时单日总成交量与大额单一合约成交均处于高位，表明存在针对性的期权头寸布局，尤其是针对8月21日到期、1000美元行权价的看涨期权集中交易。
基本面与事件交叉验证
我们可以通过公开披露的独立信号交叉验证：2026年7月28日，美光首席执行官Sanjay Mehrotra通过多份Form 4文件披露减持合计约790万美元的公司普通股。此外，截至2026年6月的分析师评级分布显示，9份强力买入评级、30份买入评级，未出现大规模评级调整；2025年12月31日的机构持仓数据显示，共有2805家机构持有美光流通股的78.4%，持仓总规模达2516亿美元。
后续关注
需关注8月21日到期前美光期权的持仓变化与成交量延续性，以及2026年9月22日即将发布的季度财报数据。本信号无法证明个股后续的实际价格波动方向，也不代表内部人士或机构的未来交易行为。
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。