Bitcoin Monthly Report — September 2026 (Data: CoinCrypTick)
September 2026 crypto market report: BTC and ETH monthly returns, volatility, drawdowns and CAGR — computed from full daily data by CoinCrypTick.
By Archit Mittal# Bitcoin Monthly Report — September 2026 > Data: CoinCrypTick calculations over BTCUSDT and ETHUSDT daily closes. Period: September 2026. Published 2026-10-01.
| Metric | Bitcoin (BTC) | Ethereum (ETH) | |---|---|---| | September 2026 return | +8.0% | +11.1% | | Price (month end, USD) | $83,529.32 | $2,686.95 | | vs all-time high | -33.0% | -44.4% | | 30-day annualized volatility | 40.7% | 42.8% | | Max drawdown (full history) | -83.2% | -94.0% | | 1-year CAGR | -29.6% | -38.2% |
Bitcoin monthly returns, last 12 months
| Month | Return | |---|---| | 2025-10 | -7.6% | | 2025-11 | -17.9% | | 2025-12 | +1.6% | | 2026-01 | -11.4% | | 2026-02 | -13.0% | | 2026-03 | +3.8% | | 2026-04 | +12.1% | | 2026-05 | -5.8% | | 2026-06 | -17.9% | | 2026-07 | +4.8% | | 2026-08 | +25.1% | | 2026-09 | +8.0% |
Ethereum monthly returns, last 12 months
| Month | Return | |---|---| | 2025-10 | -11.5% | | 2025-11 | -22.8% | | 2025-12 | +6.2% | | 2026-01 | -18.4% | | 2026-02 | -13.5% | | 2026-03 | +8.5% | | 2026-04 | +5.5% | | 2026-05 | -12.6% | | 2026-06 | -21.7% | | 2026-07 | +15.7% | | 2026-08 | +33.8% | | 2026-09 | +11.1% |
What happened
During September 2026, bitcoin recorded a monthReturnPct of 7.98641511383154, while ethereum posted a monthReturnPct of 11.057773808490143. At the end of the period, bitcoin reached a priceUsd of 83529.32, and ethereum settled at a priceUsd of 2686.95.
Asset volatility levels remained closely aligned, with bitcoin registering a vol30Pct of 40.749590112048715 and ethereum marking a vol30Pct of 42.780016106128286. In terms of distance from peak valuations, bitcoin recorded a vsAthPct of -32.99, while ethereum recorded a vsAthPct of -44.39.
Longer-horizon metrics show bitcoin with a cagr1yPct of -29.58, a maxDrawdownPct of -83.19, and a positiveMonthsShare of 52. Ethereum concluded the period with a cagr1yPct of -38.22 and a maxDrawdownPct of -93.97.
Methodology
All figures are calculated by CoinCrypTick from daily closes on Binance (BTCUSDT / ETHUSDT markets). Monthly returns are first-to-last-close changes per calendar month; volatility is the annualized standard deviation of daily log returns; CAGR uses exact window boundaries. Nothing is quoted from third parties. Not financial advice.
Explore the underlying data: [Bitcoin monthly returns](/coins/bitcoin/monthly-returns) · [Ethereum monthly returns](/coins/ethereum/monthly-returns) · [Bitcoin volatility](/coins/bitcoin/volatility) · [Bitcoin SIP backtest](/coins/bitcoin/sip-backtest)