Just days before the U.S. central bank meets, total crypto market capitalization climbed 2.1% in the past 24 hours, pushing back above the $4 trillion mark.

Bitcoin advanced nearly 2% to $114,000, still about $10,000 below its August all-time high, but up around 3% week-over-week.

Bitcoin-Dominanz
Bitcoin-Dominanz. Screenshot 12 September 2025 | Tradingview

Altcoins followed the bullish momentum: Ethereum rose 2%, XRP once again reclaimed the $3 threshold, while BNB, Solana, and Cardano each gained close to 2%. Dogecoin led the majors, jumping 4% to become the day’s top performer.

Among the broader market, Mantle (+18%), Pump.fun (+13%), and Avalanche (+10%) posted the strongest daily gains within the top 100 coins.

The Crypto Fear & Greed Index ticked up five points to 54, still reflecting a “neutral” mood but showing improving sentiment. At the same time, the Altcoin Season Index surged to 78, its highest reading this year, confirming — per Blockchaincenter — the start of Altcoin Season. In parallel, Bitcoin dominance slipped by about 2% compared to last month.

Altcoin Season Index | Blockchaincenter
Altcoin Season Index. Screenshot 12 September 2025 | Blockchaincenter

Much of this optimism is tied to expectations of Fed rate cuts on September 16–17. Weak U.S. jobs data boosted the odds of a 50-basis-point reduction. Historically, each 1% cut in rates has coincided with a 15–20% increase in Bitcoin’s price over a six-month horizon.

👉 For a closer look at how interest rate moves have shaped Bitcoin in the past — and why the market may overestimate their long-term impact — see our deep dive: Rate Cuts: How Much Does Bitcoin Really Gain?