Noteworthy Monday Option Activity: ADBE, PTCT, RUM

PTC Therapeutics (PTCT) and Rumble (RUM) recently experienced notable options trading volume, with activity representing 88.5% and 82.1% of their respective average daily share volumes. Significant interest was observed in PTCT's September 2025 $50 call option and RUM's August 2025 $9 call, indicating heightened investor attention or speculative positioning in these names.

Analysis

PTC Therapeutics (PTCT) and Rumble Inc. (RUM) have both registered significant options market activity, indicating heightened investor focus. For PTCT, options volume reached 10,726 contracts, equivalent to approximately 1.1 million shares, which represents a substantial 88.5% of its average daily trading volume. A notable concentration of this activity was in the September 19, 2025, $50 strike call option, which traded 5,034 contracts. This specific contract alone accounts for nearly half of the day's options volume, suggesting a targeted, long-term bullish outlook on the stock achieving a price well above its recent trading range. Similarly, Rumble experienced options volume of 22,997 contracts, or 82.1% of its average daily share volume. The primary focus was on the August 15, 2025, $9 strike call option, with 2,787 contracts traded. In both cases, the substantial volume in long-dated call options points towards speculative positioning for significant price appreciation over the next year, rather than short-term tactical trading.

Key Decisions for Investors

• The unusual volume in long-dated call options for both PTCT and RUM warrants monitoring, as it may signal that certain market participants are anticipating positive catalysts or a substantial rerating of the stocks by 2025.
• Investors with positions in PTC Therapeutics should consider the concentrated bet on the $50 strike price as a potential indicator of high conviction from a segment of the market regarding the company's long-term value drivers.