Bitcoin News Today: Bitcoin Season Kicks In as Altcoin Index Falls to 37

Generated by AI AgentCoin World
Thursday, Jul 24, 2025 9:11 pm ET1min read
Aime RobotAime Summary

- CoinMarketCap's Altcoin Season Index fell to 37 on July 25, signaling a "Bitcoin Season" as capital consolidates in Bitcoin.

- The index measures top 100 crypto assets vs. Bitcoin over 90 days; <25% now outperform Bitcoin, confirming Bitcoin's dominance.

- Investors are advised to rebalance portfolios toward Bitcoin, prioritize altcoins with strong fundamentals, and use dollar-cost averaging.

- Historical patterns show Bitcoin leads market recoveries, followed by altcoin booms, with Bitcoin Season often preceding future altcoin cycles.

- Market rotations could return to Altcoin Season through Bitcoin consolidation, major altcoin developments, or emerging crypto narratives.

The Altcoin Season Index, a key metric tracked by CoinMarketCap (CMC), has fallen to 37 as of July 25, 00:33 UTC, marking a significant shift in market dynamics toward what is now termed “Bitcoin Season” [1]. This score, calculated by comparing the performance of the top 100 cryptocurrencies (excluding stablecoins and wrapped tokens) against

over a 90-day period, indicates that fewer than 25% of these assets have outperformed Bitcoin recently. The index’s four-point decline from the previous day’s reading underscores a broader trend of capital consolidating in Bitcoin, reshaping investment strategies for digital assets.

The Altcoin Season Index operates on a 1–100 scale, with scores above 75 signaling a market dominated by altcoins and lower scores reflecting Bitcoin’s ascendancy. At 37, the index confirms a phase where Bitcoin is consolidating its dominance, a pattern historically linked to reduced altcoin performance and increased capital flow into the leading cryptocurrency [1]. This dynamic has implications for portfolio management: altcoins often stagnate or depreciate against Bitcoin during such periods, while Bitcoin’s market share typically grows. Investors are advised to adjust allocations, favoring Bitcoin’s stability amid heightened volatility in altcoin markets [1].

Strategic responses to this shift include portfolio rebalancing to increase Bitcoin exposure, prioritizing altcoins with strong fundamentals and active development, and employing dollar-cost averaging to accumulate assets at lower average prices. Additionally, opportunities such as staking and yield farming can offset potential altcoin underperformance by generating passive income. The current phase is also a window for research and preparation, as cycles often transition back to Altcoin Seasons following Bitcoin’s price stabilization or technological advancements in the crypto ecosystem [1].

Historical data highlights recurring patterns: Bitcoin frequently leads markets out of bearish trends, with altcoins gaining traction afterward. For example, the DeFi summer of 2020 and NFT-driven booms in 2021 followed Bitcoin-led recoveries, illustrating how market sentiment shifts between asset classes. While Bitcoin Season may challenge altcoin holders, it also presents accumulation opportunities for projects with robust use cases and long-term potential [1].

Factors that could trigger a return to Altcoin Season include Bitcoin’s consolidation after a rally, major altcoin developments, or emerging narratives like AI or GameFi. Investors are urged to monitor these catalysts alongside the index to anticipate market rotations. For now, the index’s current reading serves as a clear signal to adopt a Bitcoin-centric approach, refine risk management, and position for future opportunities.

Source: [1] [Urgent Update: Altcoin Season Index Plunges to 37 – What It Means for Your Portfolio] [https://coinmarketcap.com/community/articles/6882d709b0543364aa5f63b6/]