Bitcoin dominance is a key metric that traders watch closely to understand the broader crypto market. It measures Bitcoin’s share of the total cryptocurrency market capitalization and can provide insights into whether traders are favoring Bitcoin over altcoins.

What is Bitcoin dominance?
Bitcoin dominance is expressed as a percentage, showing how much of the total crypto market is made up of Bitcoin. If Bitcoin dominance is high, it means traders are focusing more on BTC. If it drops, it signals that altcoins (other cryptocurrencies) are gaining traction.
You can calculate it using this formula:
Bitcoin dominance = (Bitcoin market cap / total crypto market cap) × 100
For example, if the total crypto market is valued at $2 trillion and Bitcoin’s market cap is $1.2 trillion, Bitcoin dominance would be 60%.
Why does Bitcoin dominance matter?
Bitcoin dominance helps traders gauge market sentiment and make informed decisions:
✔ High Bitcoin dominance (BTC > altcoins) – Traders are playing it safe, moving money into Bitcoin. This often happens in bear markets or during uncertainty.
✔ Low Bitcoin dominance (altcoins > BTC) – More money is flowing into altcoins, which could mean traders are taking on more risk, often in bullish conditions.
✔ Bitcoin Dominance trends – If BTC dominance rises, altcoins may struggle. If it falls, altcoins could outperform.

How traders use Bitcoin dominance
Traders use Bitcoin dominance alongside price action to plan their trades:
- If BTC dominance rises and Bitcoin price increases, it suggests a strong Bitcoin-led rally.
- If BTC dominance drops while altcoins rise, an “altseason” (altcoin boom) may be underway.
- If BTC and altcoins fall together, the market may be entering a risk-off phase.
By keeping an eye on Bitcoin dominance, traders can adjust their strategies based on whether BTC or altcoins are leading the market.
Final thoughts
Bitcoin dominance is a powerful tool for understanding crypto market cycles. While it’s not a perfect predictor, it helps traders see where money is flowing and adjust their positions accordingly.
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