Notable Friday Option Activity: ANET, RUN, MA

Sunrun Inc. (RUN) and Mastercard Inc. (MA) both experienced significantly elevated options trading volume, each representing approximately 44% of their respective average daily trading volumes. Specifically, RUN saw high activity in its September 2025 $17 strike call options, with 6,252 contracts trading, while MA recorded substantial volume in its December 2025 $590 strike put options, with 1,231 contracts, indicating notable directional interest or hedging activity in these names.

Analysis

Significant options market activity was observed in Sunrun Inc. (RUN) and Mastercard Inc. (MA), with total contract volumes accounting for 44.3% and 44.2% of their respective average daily share volumes. For Sunrun, the activity was heavily concentrated in bullish positioning, with 6,252 contracts traded for the $17 strike call option expiring in September 2025. This long-dated call buying on a volume equivalent to 625,200 shares indicates a specific, strategic bet on the stock's appreciation above the $17 level over the next year. Conversely, Mastercard saw a notable concentration of activity in its December 2025 $590 strike put options, with 1,231 contracts traded. This suggests a significant bearish or hedging position is being established, anticipating a potential decline in MA's share price below $590 by the end of 2025. The high volume in these specific, long-dated contracts signals targeted institutional positioning rather than broad speculative fervor.

Key Decisions for Investors

• Investors should note the significant bullish positioning in RUN's long-dated $17 calls as a signal of potential upside and may want to analyze the fundamental catalysts that could support such a price target by September 2025.
• The concentrated volume in MA's December 2025 $590 puts warrants caution, suggesting investors should review for potential downside risks or consider it as a sign of institutional hedging against a core holding.