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From Bitcoin Dominance to Altcoins: Understand the Forces Shaping the Crypto Market

Reported by Disruptionbanking
Oct 28, 2026· 2 min read
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Key Takeaways
  • • Market capitalization is calculated by multiplying a cryptocurrency's current price by its circulating supply, and aggregating this across assets gives a broader measure of total industry value.
  • • Bitcoin dominance, the share of total crypto market capitalization held by Bitcoin, indicates whether market growth is concentrated in Bitcoin or spreading to altcoins.
  • • Total market capitalization can rise while Bitcoin dominance falls, signaling that other cryptocurrencies are appreciating faster relative to Bitcoin.
  • • Tiered indices (total market, ex-Bitcoin, and ex-Bitcoin and Ethereum) reveal whether gains are concentrated in the largest assets or broadening across the market.
  • • Analysts are advised to pair market-cap data with trading volume, price structure, liquidity, and individual asset analysis, since aggregate figures can be distorted by supply changes, index composition, and large-cap influence.
Summary
This publisher explainer examines how investors can use crypto market capitalization charts to interpret shifts between Bitcoin and the broader digital-asset market. The article notes that the cryptocurrency market can change direction within hours, with capital sometimes rotating rapidly from Bitcoin into alternative cryptocurrencies. Looking at the combined market value rather than the price of a single coin is presented as a way to determine whether growth is concentrated or broad-based.

The article explains that total market capitalization is derived by multiplying each asset's current price by its circulating supply and aggregating the results. Because the measure incorporates supply as well as price, it can diverge from Bitcoin's price action. A rising total figure indicates increasing combined value of tracked cryptocurrencies, but the underlying cause requires further analysis, as a rise may reflect strong gains in major assets while smaller projects remain flat, or a broad rally across many assets.

Bitcoin dominance, defined as Bitcoin's market capitalization as a percentage of total crypto market capitalization, is highlighted as a key companion metric. The article describes a scenario in which total market capitalization rises while Bitcoin dominance falls, indicating that other cryptocurrencies are gaining value faster relative to Bitcoin. Ethereum is singled out as a major asset whose position warrants separate attention. The article also describes layered total-market indices, including measures that exclude Bitcoin and measures that exclude both Bitcoin and Ethereum, as a means of revealing whether participation is widening.

The article adds that trading volume helps distinguish established trends from temporary moves, and that analysts commonly combine market capitalization, volume, dominance, and price structure. It cautions that sudden spikes in aggregate capitalization may reflect price changes, supply changes, or index composition changes rather than fresh capital inflows, and that large cryptocurrencies can disproportionately influence aggregate figures. The publication concludes that such charts are a starting point rather than a complete trading signal, and that liquidity, fundamentals, regulation, macroeconomic conditions, and risk management also require attention.

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Sources

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AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Disruptionbanking From Bitcoin Dominance to Altcoins: Understand the Forces Shaping the Crypto Market