Bitcoin ETF Inflows Explode $642M in a Day, Fueling $150K Price Forecast

Ethereum and Bitcoin ETF Inflows Highlight Strong Institutional Demand

The cryptocurrency market is once again making headlines as Bitcoin and Ethereum exchange-traded funds (ETFs) witness massive inflows, signaling renewed confidence from institutional investors. Data from SosoValue, recorded on September 12, 2025, shows that Bitcoin ETFs reported a daily inflow of $642.35 million, while Ethereum ETFs saw $405.55 million.

The numbers underscore a broader narrative: Wall Street is leaning further into digital assets, and institutional appetite appears stronger than ever.

Bitcoin ETFs Point Toward Strong Optimism

Bitcoin, the world’s largest cryptocurrency, has been trading steadily around $115,986, with analysts noting that its current setup looks remarkably similar to historical Q4 rallies. Market watchers believe that a breakout above $120,000 could pave the way for momentum to carry the coin toward $150,000 by early 2026.

Source: X

The inflows have reinforced that optimism. After several weeks of mixed sentiment, Bitcoin ETFs surged to new highs this week. On September 12 alone, inflows peaked at $757.14 million. Even after accounting for outflows of $227.48 million earlier in the week, the net positive flow for the week reached $2.34 billion.

This sharp uptick brings the total ETF asset value for Bitcoin ETFs to $153.18 billion, which now accounts for 6.62% of Bitcoin’s overall market capitalization. As of the latest trading session, BTC sits at $116,092, marking a 4.38% rise over the past seven days.

Leading the charge in these inflows are Fidelity’s FBTC, which attracted $315.18 million in daily net inflows, followed closely by BlackRock at $264.71 million. Bitwise secured third place with $29.16 million, according to the same SosoValue data.

Source: Soso value 

Analysts suggest that the combination of technical momentum and macroeconomic signals has encouraged large-scale buyers to increase exposure. Many point to the similarities between the current Bitcoin setup and historical late-year rallies, further fueling confidence that higher price levels could be achieved soon.

Ethereum ETFs Highlight Growing Confidence

While Bitcoin has dominated headlines, Ethereum is proving to be a strong contender in institutional portfolios. Ethereum ETFs recorded daily inflows of $404.55 million on September 12, with cumulative inflows now reaching $13.36 billion. The total traded value for Ethereum ETFs climbed to $2.55 billion, suggesting robust investor participation.

For much of the past month, Ethereum ETFs had been struggling with consistent outflows. The return of positive inflows signals a notable shift in sentiment and highlights growing confidence in the asset’s long-term outlook.

Source: Soso value 

The total net asset value for Ethereum ETFs has now reached $30.35 billion, representing 5.38% of Ethereum’s total market capitalization. Weekly net inflows stand at $637.69 million, a sharp turnaround from last week’s outflow of $787.74 million. Effectively, Ethereum ETFs have seen a swing of nearly $1.4 billion, reflecting a strong wave of institutional confidence.

Fidelity’s FETH currently holds the top spot with a $168.23 million daily net influx, while BlackRock trails closely with $165.56 million. This trend aligns with the overall bullish price action for Ethereum, which has climbed 8.34% in the past seven days. At the time of writing, ETH is trading at $4,665, buoyed by optimism surrounding both institutional adoption and upcoming network upgrades.

Macro Backdrop: Fed Policy Fuels Momentum

The inflows into both Bitcoin and Ethereum ETFs are not occurring in a vacuum. Broader macroeconomic expectations are also playing a significant role.

According to a Reuters survey, 105 out of 107 economists anticipate at least three rate cuts from the U.S. Federal Reserve before the end of 2025. Such cuts are widely expected to improve liquidity conditions, making risk-on assets such as cryptocurrencies more attractive.

Bitcoin ETFs recorded $642 million in single-day inflows during this period, lifting total weekly inflows above $2.3 billion. This comes as institutional investors increasingly view Bitcoin as a viable hedge against inflation and as a complement to traditional safe-haven assets like gold.

While gold ETFs still dominate in size, Bitcoin ETFs are catching up quickly. Institutional investors are beginning to allocate portions of their portfolios to digital assets, not only for diversification but also to position themselves for what they see as the next stage in financial evolution.

Technical Signals Add to the Bullish Case

Technical indicators further reinforce the case for higher prices. For Bitcoin, analysts are watching a potential breakout above $120,000, which could trigger a rally toward $150,000 by early 2026. Fibonacci levels and moving averages are providing additional confirmation of bullish momentum.

Ethereum, meanwhile, has been strengthening its position above $4,600, with analysts suggesting that continued ETF inflows could push it toward the $5,000 mark sooner than anticipated.

Momentum indicators such as the Relative Strength Index (RSI) remain in neutral territory, allowing room for growth, while the Moving Average Convergence Divergence (MACD) has shifted into a positive trend. Together, these technicals provide a foundation for further upward movement, provided that institutional demand remains strong.

Institutional Adoption: A Defining Moment for Crypto

Perhaps the most important takeaway from the latest ETF inflow data is the sheer scale of institutional adoption. Fidelity and BlackRock’s leadership in both Bitcoin and Ethereum ETFs demonstrates how traditional financial giants are now deeply embedded in the cryptocurrency ecosystem.

This development marks a dramatic shift from just a few years ago, when institutional hesitation and regulatory uncertainty kept many large firms at bay. Now, the tide has clearly turned. Pension funds, asset managers, and hedge funds are all participating more actively, viewing cryptocurrencies as integral to their long-term strategies.

The rise in ETF activity also suggests that digital assets are no longer confined to speculative retail trading. Instead, they are being recognized as part of mainstream financial instruments that are expected to generate long-term returns.

Conclusion

The recent surge in Bitcoin and Ethereum ETF inflows underscores a pivotal moment for the cryptocurrency market. With daily inflows of $642 million for Bitcoin and $405.55 million for Ethereum on September 12 alone, the message from institutional investors is clear: confidence is high, and demand is accelerating.

Supportive macroeconomic conditions, led by expectations of Federal Reserve rate cuts, provide further fuel to the fire. Technical setups point to higher price targets, with Bitcoin potentially moving toward $150,000 and Ethereum breaking into new all-time highs above $5,000.

For now, the cryptocurrency market finds itself in a position of strength, buoyed by both institutional adoption and market momentum. As 2025 unfolds, the performance of Bitcoin and Ethereum ETFs will remain a barometer of investor sentiment and a signpost of crypto’s growing role in global finance.

Writer @Erlin

Erlin is an experienced crypto writer who loves to explore the intersection of blockchain technology and financial markets. She regularly provides insights into the latest trends and innovations in the digital currency space.

 

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