Coinbase ($COIN) has experienced significant trading activity recently, with its stock surging by 10% over the past five days. The company has seen large buys, including 4,150 November 1st $190 calls priced between $8.70 and $9, capturing earnings on October 30 and doing over $4M call premium. Additionally, there have been purchases of 900 January 2026 $180 calls priced between $60 and $63.75, totaling over $5.5 million. This activity follows a pattern of accumulation opportunities observed since January 2023, with the stock previously hitting an all-time low in the $30s and subsequently experiencing significant price movements. Analysts suggest that Coinbase is now in its fourth major accumulation phase, with a target price of $450 or higher.