Coinbase reported Q3 net profit of $719 million, a 66% year-over-year surge, but the headline figure masks underlying weakness. Total revenue fell 35% YoY to $1.216 billion, and operating profit — reflecting core business performance — plummeted 87% to just $61.67 million. Approximately 87% of pre-tax profit came from unrealized gains on crypto assets held on the balance sheet, meaning Coinbase's exchange operations were barely break-even without the price-driven windfall. Trading revenue dropped 44% YoY to $590 million as monthly transacting users fell 20% to 7.4 million. Retail trading revenue declined 47%, with consumer spot volume contracting 59%. Derivatives, bolstered by the August 2025 consolidation of Deribit, provided the only bright spot. Subscription and services revenue reached $570 million, marking the first time Coinbase's income split approached 50-50 between trading fees and recurring revenue. Stablecoin-related income proved most resilient at $307 million, down only 5%. The most consequential disclosure: CEO Brian Armstrong, co-founder Fred Ehrsam, and President/COO Emilie Choi established Rule 10b5-1 stock sale plans over a five-week window covering up to 13.59 million shares — roughly 5.1% of outstanding equity valued at approximately $2.18 billion at current prices. The earliest execution begins November 16, 2026. Meanwhile, Coinbase's share repurchase program nearly stalled in Q3, with only 38,000 shares bought back in August. Shares fell 4.8% in pre-market trading following the report, despite sell-side analysts maintaining an average target of $210.85.