Notable Friday Option Activity: COIN, RUN, COST

Sunrun Inc. (RUN) and Costco Wholesale Corp. (COST) are experiencing exceptionally high options trading volumes today, significantly exceeding their average daily trading volumes and indicating heightened investor interest. RUN's options volume reached 168% of its monthly average, with notable activity in the August 15, 2025, $15 strike call option (13,012 contracts). Similarly, COST's options volume is 160.8% of its average, driven by significant trading in the September 19, 2025, $1050 strike call option (2,452 contracts), suggesting increased speculative or directional positioning in both equities.

Analysis

Sunrun Inc. (RUN) and Costco Wholesale Corp. (COST) are both experiencing exceptionally high options trading volume, signaling heightened investor interest and potential directional positioning. Sunrun's options volume reached 241,529 contracts, which translates to 168% of its average daily share trading volume, indicating a significant deviation from normal activity. This interest is highly concentrated in the August 15, 2025, $15 strike call options, with 13,012 contracts traded. Similarly, Costco's options volume hit 34,522 contracts, or 160.8% of its average daily share volume. The activity in Costco is notably focused on the September 19, 2025, $1050 strike call option. The concentration in long-dated, out-of-the-money call options for both distinct companies suggests that traders are making bullish bets on substantial price appreciation over the next 14-15 months, rather than engaging in short-term speculation.

Key Decisions for Investors

• The significant volume in long-dated Sunrun calls at the $15 strike suggests a strong bullish conviction from a segment of the market; investors should monitor for any fundamental catalysts that could justify this speculative positioning.
• For Costco, the concentrated bets on the $1050 strike price for September 2025 indicate high expectations for continued long-term growth, which could increase volatility if future performance does not meet these elevated expectations.