Statistical Study Finds Altcoins Often Fall Together in Crypto Sell-Offs

Statistical Study Finds Altcoins Often Fall Together in Crypto Sell-Offs

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News Editor 01
2026-07-09 17:13:13
A statistical analysis suggests cryptocurrencies become more interdependent during downturns, with altcoins often declining together, while gains tend to be more independent. The findings highlight limits of diversification in short-term crypto market stress.
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Crypto price prediction is often treated as a mix of technical signals, fundamentals, and trader psychology, but one statistical study attempts to bring more structure to that uncertainty. Its main conclusion is clear: altcoins tend to show stronger dependence when markets turn negative, meaning many of them are more likely to drop at the same time during sell-offs.

A mathematical look at crypto relationships

The report cites research by mathematician Monika Monstvilaite, who argued that cryptocurrency markets need more statistical analysis rather than unsupported online predictions. In her work on the statistical analysis of cryptocurrencies using actual math, she used Kendall’s tau, a coefficient designed to measure the association between two variables, to examine the relationship among different digital assets.

Her analysis also mapped these connections through a tree graph, illustrating how closely various cryptocurrencies are linked and to what extent the movement of one asset may influence another. The approach aimed to replace anecdotal market observations with measurable evidence.

Weak markets create stronger co-movement

The key finding was that most cryptocurrencies are dependent when they perform badly, but relatively independent when they do well. In practice, that means crypto assets are more likely to crash together than to rise together in a uniform way. During rallies, different coins may advance on their own timelines and for their own reasons. During stress, however, correlations appear to tighten.

This aligns with what many traders have long observed, especially in relation to Bitcoin’s market influence. Sharp Bitcoin moves often affect the broader crypto complex, and altcoins frequently struggle to decouple during turbulent periods. The value of the study is that it gives a statistical basis to a pattern many market participants already suspect.

Why diversification may not be enough

The analysis also warned that crypto markets are asymmetric. Even investors holding a diversified portfolio may still face a relatively high proportion of losses over a very short period, even within a single day. That is an important reminder that diversification across altcoins does not automatically remove downside risk when market stress causes many assets to move together.

For traders and investors, the study does not offer a direct trading formula. It does, however, provide a useful framework for understanding market structure: altcoins may behave independently on the way up, but in a downturn, they often become vulnerable at the same time.

This article was originally published by Bit.Fan. For more cryptocurrency news and market insights, visit www.bit.fan.
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