Notable Friday Option Activity: SMCI, LULU, SNDK

Lululemon Athletica (LULU) and SanDisk Corp (SNDK) recently experienced significantly elevated options trading volumes, indicating heightened investor interest and potential positioning. LULU saw 30,735 contracts trade, representing 81.9% of its average daily share volume, with notable activity in its November 2025 $175 strike call options. Similarly, SNDK recorded 82,283 contracts, or 76.1% of its average daily share volume, driven by substantial trading in its November 2025 $200 strike put options.

Analysis

Lululemon Athletica (LULU) experienced significant options trading activity, with 30,735 contracts representing 81.9% of its average daily share volume of 3.8 million shares. Notably, the November 14, 2025, $175 strike call option saw substantial interest, with 3,355 contracts trading. This elevated call volume suggests a bullish speculative interest or hedging activity for a potential upward movement in LULU's stock price over a long-term horizon.

Similarly, SanDisk Corp (SNDK) recorded a high options volume of 82,283 contracts, equating to 76.1% of its 10.8 million average daily share volume. A significant portion of this activity was concentrated in the November 21, 2025, $200 strike put option, with 5,293 contracts traded. This pronounced put volume indicates a notable bearish sentiment or downside protection strategy among options traders for SNDK.

The elevated options volumes for both LULU and SNDK, representing over 75% of their respective average daily share volumes, highlight increased investor engagement and potential directional positioning. While LULU's activity points to bullish long-term expectations via calls, SNDK's dominant put volume suggests concerns about future price depreciation. These divergent directional biases, observed in long-dated options, reflect distinct investor sentiment for each underlying equity.

Key Decisions for Investors

• Investors should monitor LULU's underlying stock performance and news flow for catalysts that could support the implied bullish sentiment from the $175 call options.
• For SNDK, investors should investigate potential downside risks or negative developments that could be driving the significant interest in the $200 put options.
• Given the long-dated nature of these options (November 2025), these activities may reflect strategic long-term positioning rather than short-term speculative plays, warranting deeper fundamental analysis for both companies.