Bitcoin (BTC) Dominance Surges Past 54%: Will an Altcoin Season Follow BTC's 13% Rally in H1 2025?

According to @CryptoMichNL, Bitcoin (BTC) has significantly outperformed the broader crypto market in the first half of 2025, climbing 13% while major altcoins like Ethereum (ETH) and Solana (SOL) fell 25% and 17% respectively. This divergence pushed BTC dominance above 54%, a level that historically precedes altcoin rallies, as noted by analyst Gregory Mall. The BTC surge was fueled by over $16 billion in year-to-date spot ETF inflows and optimism about potential Federal Reserve rate cuts. While analysts from LMAX Group and Coinbase anticipate a positive second half of the year citing historical trends and regulatory clarity, Bitfinex analysts caution that the third quarter could be lackluster and range-bound. Key indicators for a potential 'altseason' include Ether's recent 81% rally from its April lows and a 31% recovery in DeFi's total value locked to over $117 billion, according to DeFiLlama.
SourceAnalysis
The first half of 2025 presented a deceptively calm surface for the cryptocurrency market, with the total market capitalization inching up a mere 3% to $3.27 trillion, according to data from TradingView. However, beneath this placid exterior lies a story of stark divergence. Bitcoin (BTC) has been the steadfast pillar, single-handedly propping up the market with a respectable 13% climb. In sharp contrast, the altcoin sector has faced a significant downturn. Ethereum (ETH), the second-largest digital asset, experienced a 25% tumble, while Solana (SOL) shed nearly 17% of its value. The pain was even more acute for smaller, riskier tokens, as reflected by the OTHERS index on TradingView, which plummeted 30% during the same period. This performance gap underscores a market dynamic where capital has consolidated into the perceived safety of Bitcoin, leaving most altcoins struggling in its wake.
Bitcoin's Quiet Rally and Growing Dominance
Bitcoin's resilience has been fueled by several key factors, contributing to what some observers, like Gregory Mall, Chief Investment Officer at Lionsoul Global, have termed the "most hated rally." Despite low trading volumes and widespread market skepticism, BTC managed to reach a new all-time high on May 22, 2025, and has since consolidated near those levels. As of this analysis, BTC is trading around $107,581.12, showcasing its strength. This rally is largely attributed to institutional inflows and a favorable macroeconomic outlook. Spot Bitcoin ETFs have seen cumulative inflows exceed $16 billion year-to-date, with May marking the strongest month for inflows. This persistent demand, coupled with corporate treasury acquisitions by firms like MicroStrategy, has created a significant supply-demand imbalance. According to analysis from Kevin Tam, ETFs and corporations purchased a combined 750,000 BTC in the last year, dwarfing the 164,250 new bitcoins minted. This has pushed Bitcoin dominance—its share of the total crypto market cap—above 54%, up from 38% in late 2022.
Is an Altcoin Rotation Imminent?
Historically, a peak in Bitcoin dominance often precedes a major rally in altcoins, a phenomenon eagerly awaited by traders as "altseason." Gregory Mall notes that during the 2017 and 2021 cycles, significant altcoin outperformance lagged Bitcoin's new all-time highs by two to six months. If this historical pattern holds, the capital rotation from BTC into altcoins may be on the horizon. Early signs are already emerging. Ethereum's recent 81% rally from its April lows suggests that positive sentiment is beginning to spill over. The ETH/BTC pair, trading at approximately 0.02326, remains a critical barometer for this rotation. Furthermore, the total value locked (TVL) in DeFi protocols has recovered significantly, surpassing $117 billion, a 31% increase from its April lows, according to data from DeFiLlama. This resurgence in on-chain activity points to renewed interest in the broader crypto ecosystem beyond Bitcoin.
Catalysts and Cautions for the Second Half of 2025
Looking ahead, several analysts maintain a positive outlook. Market strategist Joel Kruger of LMAX Group highlights that July has historically been a strong month for crypto, and the second half of the year often produces outsized gains. Coinbase analysts echo this sentiment, pointing to a favorable macro backdrop with potential Federal Reserve rate cuts and increasing regulatory clarity in the U.S. However, caution is warranted. Bitfinex analysts warn that the third quarter has historically been the weakest for Bitcoin, suggesting a period of range-bound price action could persist. Moreover, as highlighted in a recent OECD report, the global economic landscape remains fragile, and crypto assets are still largely treated as risk-on investments, vulnerable to sell-offs amid declining business confidence or tighter credit conditions. For traders, this means watching key levels in pairs like SOL/USDT, currently trading at $146.83, and ADA/USDT at $0.5664, for signs of a sustained breakout or further consolidation before committing significant capital to the anticipated altcoin recovery.
FAQ: Institutional Adoption and Market Dynamics
Q: How are institutional investors like pension funds approaching Bitcoin?
A: According to Kevin Tam, institutional adoption has accelerated significantly. Recent 13F filings reveal that major Canadian pension funds, such as Trans-Canada Capital which manages assets for Air Canada, have made notable investments, adding $55 million in spot Bitcoin ETFs. Schedule 1 banks in Canada now hold over $137 million in Bitcoin ETFs, underscoring growing long-term institutional demand.
Q: How does institutional accumulation impact Bitcoin's market dynamics?
A: The impact is substantial. Last year, ETF demand alone was three times higher than the newly minted supply of Bitcoin. When combined with corporate purchases, the demand significantly outstrips production. This dynamic creates strong upward price pressure and reduces available supply on exchanges, potentially leading to higher volatility and more pronounced price moves.
Q: How will the UK's greenlighting of crypto ETNs affect adoption?
A: The Financial Conduct Authority's (FCA) approval for retail access to crypto exchange-traded notes (ETNs) is a pivotal moment for the UK market. It represents a complete reversal of its 2020 ban and signals that the UK is positioning itself as a competitive hub for digital assets. By providing a regulated and accessible investment vehicle, it is expected to accelerate both retail and institutional adoption, further legitimizing crypto as a mainstream asset class.
Michaël van de Poppe
@CryptoMichNLMacro-Economics, Value Based Investing & Trading || Crypto & Bitcoin Enthusiast