Unusual Call Option Activity Spikes for Coinbase and CG Oncology

Market data reveals a surge in options trading for Coinbase Global Inc (COIN) and CG Oncology Inc (CGON), indicating heightened speculative interest. The volume spikes are particularly notable as they exceed the average daily trading volumes for both companies, suggesting a shift in trader sentiment or the anticipation of upcoming catalysts. CG Oncology saw 18,638 contracts trade, representing approximately 1.9 million underlying shares. This activity accounts for 132.4% of the stock's average daily volume of 1.4 million shares. Specifically, the $65 strike call options expiring June 18, 2026, were heavily targeted, with 9,060 contracts traded. Coinbase Global experienced even larger volume, with 143,026 contracts traded, equivalent to 14.3 million shares. This represents 131% of its monthly average daily volume of 10.9 million shares. The most active contracts were $200 strike calls expiring April 17, 2026, with 10,947 contracts traded. While unusual options flow does not guarantee price movement, the heavy concentration in call options suggests a bullish bias among short-term and medium-term traders for these specific assets. Market participants often view such spikes as indicators of insider confidence or anticipation of positive news.