Bitcoin Dominance&Altcoin Season Index
Is it altcoin season? Track BTC dominance and see which altcoins are outperforming Bitcoin.
BTC Dominance History
Top 50 Altcoins vs Bitcoin Performance
| # | Coin | Price | 24h | 7d | 30d | vs BTC (30d) | Market Cap |
|---|---|---|---|---|---|---|---|
| 1 |  ZEC | $659.2500 | +4.4% | +20.3% | +106.6% | +104.7% | $11.00B |
| 2 |  ONDO | $0.416351 | +5.2% | +3.5% | +62.0% | +60.1% | $2.01B |
| 3 |  TON | $2.0200 | -0.8% | -4.8% | +47.2% | +45.4% | $5.43B |
| 4 |  HYPE | $58.8600 | +14.4% | +38.0% | +47.2% | +45.3% | $14.01B |
| 5 |  NEAR | $1.7800 | +6.1% | +11.4% | +29.7% | +27.9% | $2.30B |
| 6 |  SUI | $1.1100 | +3.8% | -8.3% | +17.9% | +16.0% | $4.45B |
| 7 |  TAO | $280.2200 | +3.5% | -8.5% | +14.6% | +12.7% | $2.69B |
| 8 |  HTX | $0.000002 | +0.9% | +1.7% | +11.0% | +9.1% | $1.82B |
| 9 |  DOGE | $0.104493 | +0.2% | -9.1% | +10.1% | +8.3% | $16.13B |
| 10 |  TRX | $0.363773 | +1.5% | +2.7% | +9.9% | +8.1% | $34.48B |
| 11 |  UNI | $3.5400 | -1.7% | -5.8% | +9.2% | +7.3% | $2.25B |
| 12 |  XMR | $401.7200 | +0.6% | +0.3% | +8.3% | +6.5% | $7.41B |
| 13 |  MNT | $0.678067 | +6.5% | -0.3% | +7.1% | +5.2% | $2.24B |
| 14 |  CC | $0.159310 | +4.9% | -2.2% | +4.7% | +2.9% | $6.13B |
| 15 |  WBT | $56.8900 | -0.2% | -5.1% | +3.6% | +1.7% | $12.10B |
| 16 |  ASTER | $0.698984 | +2.4% | +3.4% | +3.4% | +1.5% | $1.80B |
| 17 |  BNB | $650.9900 | +0.5% | -4.2% | +3.0% | +1.1% | $87.74B |
| 18 |  LINK | $9.6400 | +0.4% | -9.2% | +2.6% | +0.7% | $7.00B |
| 19 |  SOL | $86.2500 | -0.1% | -7.1% | +0.5% | -1.4% | $49.85B |
| 20 |  USDY | $1.1300 | +0.1% | +0.2% | +0.2% | -1.6% | $2.15B |
Methodology
Altcoin Season Score
The score is calculated by comparing the price performance of the top 50 altcoins (by market cap, excluding stablecoins) against Bitcoin over approximately 90 days. The percentage of altcoins outperforming BTC is scaled linearly to 0-100. A score of 75+ indicates Altcoin Season, 25 or below indicates Bitcoin Season, and anything in between is Neutral.
BTC Dominance
Bitcoin dominance is sourced from CoinGecko's Global Market Data API, which calculates it as Bitcoin's market cap divided by the total cryptocurrency market cap. This includes all tracked coins and tokens.
Performance Comparison
Each altcoin's performance is measured as its 30-day price change minus Bitcoin's 30-day price change. A positive value means the altcoin outperformed BTC over that period. We use 30-day data from CoinGecko as a proxy for 90-day performance when historical data is limited.
Data Sources
All data comes from the CoinGecko free API, including global market data, coin prices, market caps, and historical performance metrics. Data refreshes every 10 minutes.