Altcoin Season Index: Important Indicators to Know the Altseason

Jakarta, Pintu News – In the cryptocurrency market, there is a popular term that traders often use called “altcoin season” or altseason. This phase describes a period when most altcoins – cryptocurrencies other than Bitcoin – experience higher price increases than Bitcoin. To objectively measure this phenomenon, analysts usually use an indicator called the Altcoin Season Index which is available on various crypto analysis platforms.

This indicator helps investors understand whether the market is being dominated by Bitcoin or altcoins, which can help determine a more appropriate investment strategy.

What is Altcoin Season?

Altcoin season is a period when many altcoins experience significant price increases and outperform Bitcoin. During this phase, investors’ capital usually starts moving from Bitcoin to alternative crypto projects such as Ethereum, Solana, or DeFi tokens.

This phenomenon usually occurs in a crypto bull market cycle when Bitcoin has already experienced a large increase or has started to move sideways, so investors start looking for greater profit opportunities in altcoins.

Also Read: 5 February 2026 CPI Facts: Bitcoin (BTC) Drops, Gold & Stable Inflation Risks You Should Know

What is Altcoin Season Index?

The Altcoin Season Index is an indicator that measures whether altcoins are outperforming Bitcoin in a given period. This index typically uses price performance data from the last 90 days to compare the altcoin’s performance with Bitcoin.

One of the most commonly used methods comes from the BlockchainCenter website. In this method:

• If 75% of the Top 50 altcoins outperform Bitcoin in the last 90 days, then the market is considered to be in altcoin season.
• If 25% or less outperform Bitcoin, then the market is in Bitcoin season.

Stablecoins like USDT or DAI as well as asset-based tokens like wrapped Bitcoin are usually not counted in the index.

How to Read the Altcoin Season Index Value

The Altcoin Season Index is usually displayed on a scale of 0 to 100.

The general interpretation of this indicator is:

• 0-25 → Bitcoin Season
  The majority of altcoins perform worse than Bitcoin.
• 26-74 → Neutral / Transition Phase
  There is no clear dominance between Bitcoin and altcoins yet.
• 75-100 → Altcoin Season
  Most altcoins outperformed Bitcoin in the last 90 days.

The higher the index value, the more likely it is that the market is in an altcoin rally phase.

Why is Altcoin Season Happening?

There are several factors that usually trigger altcoin season:

1. Bitcoin’s decline in dominance
If Bitcoin’s market share of the total crypto market drops, it’s common for investor funds to start flowing into altcoins.

2. Technology momentum or new narrative
For example, DeFi, NFTs, AI crypto, or layer-2 blockchain are attracting market attention.

3. Market sentiment and liquidity
When the crypto market is bullish, investors tend to take greater risks by buying altcoins.

4. Bitcoin price stability
Altcoins often rally when Bitcoin goes sideways after a big run-up.

How long does Altcoin Season usually last?

The duration of the altcoin season is not always the same. In some market cycles, this phase can last:

• a few weeks
• a few months
• or just a short phase in a bull market

The duration is influenced by overall crypto market conditions, investor sentiment, and technological innovations in the blockchain ecosystem.

Why is this Indicator Important to Investors?

Altcoin Season Index is often used by traders to:

• Identifying shifts in crypto market momentum
• Timing the portfolio rotation from Bitcoin to altcoins
• Measuring market sentiment towards risky assets
• Seeking profit opportunities from altcoin rallies

But keep in mind that this indicator is reactive, not a definitive predictive tool. This means that the index only shows current market conditions based on historical data.

Conclusion

The Altcoin Season Index is one of the most popular indicators to gauge whether altcoins are outperforming Bitcoin in the cryptocurrency market. By comparing the price performance of altcoins and Bitcoin over 90 days, the index provides a clear picture of the crypto market’s momentum.

For investors, understanding this indicator can help determine investment strategies, especially in determining when it’s the right time to focus on Bitcoin or start accumulating altcoins.

Also Read: 5 Things You Should Know: Can XRP Reach $4 in 2026?

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*Disclaimer

This content aims to enrich readers’ information. Pintu collects this information from various relevant sources and is not influenced by outside parties. Note that an asset’s past performance does not determine its projected future performance. Crypto trading activities are subject to high risk and volatility, always do your own research and use cold hard cash before investing. All activities of buying andselling Bitcoin and other crypto asset investments are the responsibility of the reader.

Reference

• BlockchainCenter. Altcoin Season Index. Accessed March 13, 2026.