Noteworthy Tuesday Option Activity: WLY, UTHR, GSAT

United Therapeutics (UTHR) and Globalstar (GSAT) both saw significant options trading volume today, with contracts representing approximately 57% of their respective average daily stock trading volumes. Notably, long-dated call options for UTHR at the $400 strike and GSAT at the $35 strike, both expiring September 2025, experienced particularly high activity, indicating heightened speculative interest or bullish positioning in these names.

Analysis

Significant options market activity was observed in United Therapeutics (UTHR) and Globalstar (GSAT), with total options volume representing a substantial 57.1% and 56.6% of their respective average daily share volumes. The activity was notably concentrated in long-dated call options with a September 19, 2025 expiration. Specifically, UTHR saw high volume of 441 contracts in its $400 strike call, while GSAT experienced elevated trading of 809 contracts in its $35 strike call. The focus on these specific, distant strikes suggests a targeted and potentially speculative bullish positioning by market participants. Such trades often represent a long-term directional bet on a significant upward price movement, possibly in anticipation of future catalysts, rather than a reaction to immediate news. This pattern of trading indicates a notable shift in investor sentiment and positioning for these two stocks, warranting closer examination despite the neutral sentiment of the report itself.

Key Decisions for Investors

• Investors should treat this unusual long-dated call option activity as a signal to investigate potential undisclosed fundamental catalysts for both UTHR and GSAT that could be expected to materialize before September 2025.
• Monitor open interest and subsequent volume in the UTHR September 2025 $400 calls and GSAT September 2025 $35 calls as a key indicator of conviction and follow-through on this speculative positioning.
• Consider that such concentrated options buying can increase implied volatility, which may present opportunities for volatility-based strategies or indicate a higher risk of price swings in the underlying stocks.