Option Movers | Traders Are Buying Micron's $1,300 Calls Expiring Next Month; Roundhill Memory ETF's Volume Surges Nearly 4 Times

Option Movers
05/27

The S&P 500 and Nasdaq hit record closing highs on Tuesday, as AI-fueled optimism offset anxiety over Middle ‌East peace talks — concerns that were compounded by recent U.S. strikes on Iran.

Regarding the options market, a total volume of 61,819,071 contracts was traded, of which 63% were call options.

Top 10 Option Volumes

Top 10: NVDA, TSLA, MU, AAPL, NOK, MSFT, AMZN, INTC, AMD, ASTS

Source: Tiger Trade App

Micron Technology shares climbed 19.3% on Tuesday to an all-time closing high of $895.88, and to push the company above a $1 trillion market capitalization for the first time.

Compared with past offtake sales agreements that were based on volume, UBS analyst Timothy Arcuri said, “new ‘enhanced’ [long term agreements] now incorporate longer durations, fixed volume commitments and — most importantly — a partially fixed pricing framework.”

There are 1.29 million Micron option contracts traded on Tuesday, of which call options account for 56% of overall option trades. Block trading activity in Micron reflects a positioning structure that is broadly bullish over the medium to long term.

In one notable trade, investors sold a large volume of put options expiring on July 17, 2026, with strike prices of $600 and $620, generating combined premium income of as much as $18.93 million. The far-dated positioning reflects a “short volatility” strategy aimed at collecting premium, effectively betting that the stock will remain well above the $600-$620 range over the next 18 months. The positioning suggests a neutral-to-bullish longer-term outlook.

$MU 20260717 620.0 PUT$

$MU 20260717 600.0 PUT$

Source: Tiger Trade App

Separately, a trader purchased 2,000 call options expiring on June 18, 2026, with a strike price as high as $1,300, at a cost of roughly $2.97 million. The trade represents a relatively low-cost strategy designed to capture potential outsized gains in the event of an extreme upside rally in the stock.

$MU 20260618 1300.0 CALL$

Source: Tiger Trade App

Unusual Options Activity

Roundhill Memory ETF closed at $60.51, up 14.56% from the previous session. Implied volatility stood at 91.49%, with the IV percentile reaching 88.57%, indicating options pricing remains elevated relative to historical levels and suggesting the market is bracing for significant future price swings.

Source: Tiger Trade App

The largest options flows were concentrated in out-of-the-money put selling, pointing to medium-term income-generating strategies that carry a neutral-to-bullish bias. At the same time, sizeable purchases of out-of-the-money puts and the establishment of synthetic short positions indicate that bearish positioning and downside hedging remain present. Near-dated activity, however, was dominated by bullish call exposure.

Overall, the market reflects a divided positioning landscape: medium-term strategies are centered on selling volatility with a broadly neutral-to-bullish bias, supplemented by selective downside hedges, while short-term sentiment remains constructive.

In the largest single transaction, traders sold 15,000 out-of-the-money put contracts expiring on Aug. 21, 2026, with a $50 strike price, collecting approximately $6.6 million in premium income. The trade effectively wagers that DRAM shares will remain above $50 through the August expiry.

Source: Tiger Trade App

Source: Tiger Trade App

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