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The headline looked clean: Coinbase earned net income of $718.7 million in the third quarter, up 66% from $432.6 million a year ago. Markets moved. The number ran everywhere. What ran with it was a critical omission.

Of that $718.7 million, $715.0 million came from a fair-value gain on crypto assets Coinbase holds for investment, not from trading fees or subscriptions. Strip that out and you are left with a very different business. Adjusted net income was $78 million.

That distinction matters enormously for how you trade this stock.

The balance sheet gain exists because Coinbase holds bitcoin and other crypto for investment, and under new fair-value accounting for certain crypto assets, those positions are marked to market each quarter. Bitcoin rose about 43% in Q3 2026, closing around $83,554 on September 30. Coinbase owned a large position and the accounting did the rest. That is not an operating achievement, it is an asset price move. The same mechanism that produced a $718.7 million result can swing the other direction just as fast.

The operating picture is worth reading on its own terms. Transaction revenue was $590.2 million for the quarter, down 44% year-over-year. Consumer spot volume fell about 59% to $23.4 billion. Those are real declines. Institutional transaction revenue was $91.7 million, declining 8% quarter-over-quarter.

What is genuinely working is the mix shift. Subscription and services revenue rose 3% from the prior quarter to $570.2 million and accounted for 49% of net revenue. Stablecoin revenue was $306.9 million, up 5% quarter-over-quarter. Prediction markets, launched in February, crossed $200 million of annualized revenue during Q3. These are recurring, lower-volatility lines. They matter.

Stablecoin revenue is the steadiest line Coinbase has right now, but the regulatory ground beneath it is shifting. MiCA’s enforcement deadline is already forcing EEA platforms to convert non-compliant stablecoins into USDC, a mandate that concentrates volume toward Circle and the exchanges that support it.

The forward picture is sober. Transaction revenue was approximately $165 million through October 25, and the company cautioned against extrapolating that figure across the quarter. Paid Coinbase One subscribers grew 24% year-over-year to an all-time high, which is real traction, but not the kind that moves a stock 10 points in a session.

The trade here is not about the 66% income surge. It is about whether Coinbase’s subscription base can hold the floor when the next Bitcoin drawdown hits Adjusted EBITDA and strips away the balance sheet tailwind that made Q3 look extraordinary. Adjusted EBITDA grew 60% quarter-over-quarter to $333 million, the company’s 15th consecutive quarter of positive adjusted EBITDA. That streak is the real number to watch. Everything else in this report is partly a reflection of where Bitcoin closed on September 30.