The Bitcoin gains of 8% already make September 2025 the second best month.

Important points

• Bitcoin’s September performance is the highest since 2012, despite seasonal trends.

• Bitcoin needs to increase by at least 20% to reach its highest level ever in September 2025.

• BTC’s volatility is unprecedented in the context of a rare bull cycle.

BitcoinBTCThis September, the bull market has seen its biggest gain since 2012.

Price data for historical periods from CoinGlass The following are some examples of how to get started: BiTBO Bitcoin’s upside for September 2025 is the second highest ever at 8%.

Bitcoin avoiding “Rektember” Gains of 8%

The month of September has a long tradition. Bitcoin’s weakest monthThe average loss is around 8%.

As historical trends demand that the next bull markets peak is set, other risk assets are also at stake. repeated new all-time highs.

While both gold and the S&P 500 are in price discovery, BTC/USD has coiled throughout September after setting new highs of its own The month before

Even at “just” Bitcoin has now reached its highest level in 13 years with a September performance of 8.8%.

Only in 2012 was the ninth month more profitable for Bitcoin Bulls, as BTC/USD gained 19.8%. In the last year, BTC/USD gained 7.3%.

BTC price volatility vanishes

Bitcoin’s figures reveal a year of unprecedented bullish market activity.

Related: BTC ‘pricing in’ what’s coming: 5 things to know in Bitcoin this week

In 2025 the BTC volatility is down, contrary to what long-time traders expected based on previous performance.

CoinGlass’ data indicates that the volatility is at levels it has not been seen for over a ten-year period, with an especially steep drop starting in April.

Onchain is a firm that provides analytics. GlassnodeThe lack of depreciation of BTC prices from their all-time highest levels in this bull market is highlighted.

These had previously been at 80% but, so far, in 2025 the biggest percentage is still 30%.

BTC/USD struggles to keep up with the previous bull markets despite the relative lack of volatilty.

This July, Cointelegraph reported Bitcoin Implied Volatility Index metrics has shown unusually low values, leading to potential price increases of 50%.

The article is not intended to provide investment advice. Each investment or trading decision involves some risk. Readers should do their own research before making any decisions.