According to @MilkRoadDaily, BTC dominance has been in a 13-week downtrend, reflecting sustained rotation away from Bitcoin (source: @MilkRoadDaily, X, Sep 15, 2025). @MilkRoadDaily reports the current dip in dominance is larger than the decline seen at the end of 2025 (source: @MilkRoadDaily, X, Sep 15, 2025). @MilkRoadDaily adds the Altcoin Season Index is now above 80, indicating broad altcoin outperformance versus BTC pairs (source: @MilkRoadDaily, X, Sep 15, 2025).

According to @MilkRoadDaily, the Altcoin Season Index has reached 84 and was characterized as bullish; source: @MilkRoadDaily on X, Sep 13, 2025. An index reading above 75 qualifies as altcoin season by definition, which assesses whether at least 75% of the top-50 altcoins have outperformed BTC over the last 90 days; source: BlockchainCenter Altcoin Season Index methodology. Traders tracking this signal often monitor alt/BTC pairs and BTC dominance to gauge rotation strength between BTC and altcoins; source: Binance Academy explanation of Bitcoin Dominance as a capital rotation gauge.

According to @rovercrc, the Altcoin Season Index has reached 84, its highest level since last year, signaling strong altcoin outperformance versus BTC (source: @rovercrc on X, Sep 13, 2025). Per Blockchain Center’s methodology, a reading above 75 defines Altseason, meaning at least 75% of the top 50 coins have outperformed BTC over the last 90 days (source: Blockchain Center Altcoin Season Index methodology). Traders typically monitor BTC dominance (BTC.D) and alt/BTC pairs during Altseason as leadership rotates from BTC to altcoins and momentum broadens (source: Binance Academy, What Is Altseason). Such periods historically feature higher volatility and risk, making position sizing and liquidity management more critical for crypto portfolios (source: Binance Academy, What Is Altseason).

According to @rovercrc, the Altcoin Season Index has climbed above 75, indicating strong altcoin momentum versus Bitcoin in recent performance data, source: @rovercrc on X (Sep 13, 2025). As defined by Blockchain Center, a reading above 75 means at least 75% of the top 50 altcoins outperformed BTC over the last 90 days, which qualifies as Altcoin Season, source: Blockchain Center Altcoin Season Index methodology. This reading confirms broad-based altcoin outperformance versus BTC over the recent quarter, a condition the index is explicitly designed to identify, source: Blockchain Center Altcoin Season Index.

According to @rovercrc, the Altcoin Season Index printed 71 on Sep 10, 2025. source: @rovercrc By the BlockchainCenter Altcoin Season Index methodology, a higher reading means a larger share of the top 50 cryptocurrencies have outperformed BTC over the last 90 days, with 75 marking official Altseason. source: BlockchainCenter Altcoin Season Index A 71 reading indicates broad altcoin strength but not a confirmed Altseason, so traders are watching a potential break above 75 for confirmation of continued altcoin outperformance versus BTC. source: BlockchainCenter Altcoin Season Index

According to @MilkRoadDaily, the Altcoin Season Index reached a 2025 high of 61, indicating that 61% of the top 50 coins have outperformed BTC over the past 90 days. According to @MilkRoadDaily, this reading signals building altcoin momentum relative to BTC.

According to @rovercrc, the Altcoin Season Index stands at 59 on August 31, 2025, highlighting current market positioning relative to BTC, source: @rovercrc. Per BlockchainCenter’s methodology, Altcoin Season is defined when 75% of the top 50 coins outperform BTC over the last 90 days, implying an index reading of 75 or higher, source: BlockchainCenter. A reading of 59 is below that threshold and therefore does not meet the site’s Altseason definition, source: BlockchainCenter. The author frames this level as a discounted entry window for altcoins, which is an opinion rather than a confirmed signal, source: @rovercrc.

According to Crypto Rover, Altcoin Season is making a significant comeback, as shown by increased trading volumes and rising altcoin dominance in the crypto market (source: Crypto Rover Twitter, May 13, 2025). Traders are advised to remain cautious despite the positive momentum, as rapid price surges can lead to volatile corrections. Key indicators such as the Altcoin Season Index and rising liquidity in leading altcoins like Ethereum and Solana confirm heightened market activity, providing new trading opportunities for active investors. Staying updated on altcoin trends and monitoring risk management strategies is essential in this phase.

According to Crypto Rover on Twitter, indicators suggest that Altcoin Season is nearing, with technical charts showing rising momentum in major altcoins compared to Bitcoin (source: @rovercrc, May 4, 2025). Traders are closely watching the Altcoin Season Index and the BTC dominance chart, which both point toward a potential inflow of capital into altcoins. This shift could provide significant trading opportunities, especially for high-liquidity assets like Ethereum, Solana, and Avalanche, as historic patterns show increased volatility and volume during altcoin cycles.

According to Michaël van de Poppe, the Altcoin Season Index is at its lowest in two years, indicating potential trading opportunities. The Fear & Greed Index, which measures market sentiment, has also plummeted significantly. Historically, such negative sentiment has been a contrarian indicator, suggesting it might be an opportune moment for strategic buying. Traders should consider evaluating altcoin positions as market fear often precedes bullish trends.

According to Crypto Rover, the Altcoin Season Index has reached its lowest point since the summer of 2024. Historically, investors who held onto solid projects during similar periods saw returns of 5-10x. Despite current market fears, this is considered an optimal time for accumulation.

According to Crypto Rover, the current low level of the Altcoin Season Index indicates a potential buying opportunity for altcoin investors. The index, which measures the performance of altcoins relative to Bitcoin, suggests that when it reaches low levels, altcoins may be undervalued compared to Bitcoin. This can be a signal for traders to consider increasing their altcoin holdings, as historically, similar conditions have preceded altcoin market rallies. (Source: Crypto Rover, Twitter)