Crypto has turned one of its traditionally quiet quarters into one of the strongest periods in its history, with Bitcoin posting its second-best third quarter on record and Ethereum setting an all-time Q3 benchmark.

Bitcoin is trading roughly 43.5% higher in Q3 2026, climbing from about $58,500 at the start of the quarter to around $84,000. The gain puts the quarter on track to rank as Bitcoin's second-best Q3 ever, behind only the roughly 80.4% surge recorded in 2017. It is also the asset's strongest third quarter since 2013.

Ethereum's advance has been even steeper. According to Coinglass data, $ETH is up 71% this quarter, surpassing its previous Q3 record of about 66.5%, set in 2025. The move marks Ethereum's strongest summer rally on record.

Breaking the Usual Q3 Pattern

July, August and September have historically been inconsistent months for crypto, often producing flat or modest returns compared with stronger fourth-quarter periods. This year has been different, with posting its best Q3 since 2013 and Ethereum setting a fresh quarterly record.

Crypto analyst Luciano described the combination as extraordinary, writing on X that this is the “2nd best quarter ever recorded for BTC and the best quarter $ETH has ever had.”

The significance extends beyond percentage gains. Both assets are entering the final stretch of September with momentum already established ahead of a quarter that has historically attracted greater speculative interest.

Bitcoin Survives Options Expiry, Clears Key Cost Bases

The setup has improved beneath the surface as well. Bitcoin has moved back above several investor cost-basis levels — on-chain price zones tied to the average acquisition price of coin holders — that capped earlier recovery attempts. Demand for spot Bitcoin exchange-traded funds (ETFs) has strengthened, spot trading volume has increased, and profit-taking remains relatively restrained — a combination that points to a rally supported by more than derivatives alone.

Bitcoin's price also held up through the large quarterly options expiry on Sept. 25, an event that carried substantial open interest — the total number of outstanding options contracts — and had the potential to generate short-term volatility. With that hurdle behind the market, the next major on-chain resistance level sits near the mean MVRV price of around $96,700 — a level tied to MVRV, the on-chain metric that compares Bitcoin's market value with the value of its coins at their most recent on-chain movement. A move toward that zone would put Bitcoin within striking distance of the psychological $100,000 level.

Q4 Could Put the Momentum to a Bigger Test

The quarter is not finished yet. A few trading days remain in September, leaving room for both Bitcoin and Ethereum to extend their already unusual Q3 performances. That matters because Q4 has historically been a stronger period for crypto than Q3. A powerful summer rally does not guarantee another leg higher, but it changes the starting point considerably.

Bitcoin enters the final quarter with stronger ETF demand and improving spot activity, while Ethereum carries record Q3 momentum. Profit-taking has also remained lighter than at previous market peaks. The immediate question is whether buyers can keep absorbing supply with Bitcoin's price trading around the mid-$80,000 range. If they can, an already historic Q3 could become the setup for an even more consequential fourth quarter.

Source: CryptoNewsNet, via Bitcoin.com News