2026-08-22

Ethereum Jumps 8%, XRP Surges 20%+ - So Why Did Bitcoin ETFs Still Pull In More Money Than Ether ETFs?

Written & reviewed by the TradeSmrt editorial team · 2026-08-22

In this article

What Happened
Why Price and Fund Flows Are Telling Different Stories
What to Take Away From This
FAQ
Sources

What Happened

For the trading week that closed Friday, August 21, crypto markets staged a broad rally. Bitcoin climbed more than 22% for the week and settled in the $78,000 range, gaining over 7% on Friday alone. But by percentage gain, bitcoin wasn't actually the star of this rally. Ethereum jumped roughly 5% to 8% on Friday alone, pushing into the $2,400-$2,500 range, while XRP spiked 15% to 20% in a single day to trade in the low-to-mid $1.40s. Zoom out to the full week and the gap widens further: XRP gained roughly 25%, edging out even bitcoin's 22% weekly advance. Judged purely on price, the real winners of this week's rally were Ethereum and XRP, not bitcoin.

Yet the US spot crypto ETF flow data tells a strikingly different story for the same stretch. On August 18 alone, US spot bitcoin ETFs pulled in $189.3 million in net inflows, with BlackRock's IBIT alone accounting for $143.6 million - roughly 76% of the total. Ether ETFs took in $71.4 million that same day, with BlackRock's ETHA responsible for $64.7 million, or about 91% of that flow. In dollar terms, bitcoin ETFs drew in more than 2.6 times what ether ETFs did. The gap widened further the next day: on August 19, US spot bitcoin ETFs recorded $517 million in net inflows - the strongest single-day haul since May - while ether ETFs brought in $189 million, their best day since October 2025, but still barely a third of bitcoin's total. In short, altcoins led on price appreciation, but institutional money overwhelmingly kept flowing into bitcoin.

XRP makes the divergence even starker. Despite outpacing both bitcoin and ether on price this week, the XRP spot ETF market is still in its infancy. Industry tracking shows cumulative XRP ETF inflows grew from roughly $1.18 billion in January to about $1.51 billion by August - a 28% increase over eight months. That growth rate looks impressive on paper, but the absolute dollar figure is a rounding error next to a single fund like IBIT, which manages roughly $100 billion in assets on its own. Bitcoin and ether ETFs have also seen stretches of net outflows during that same period, whereas XRP ETF flows have been comparatively steadier - even if the total pool of money involved remains far smaller.

Why Price and Fund Flows Are Telling Different Stories

To make sense of the gap, it helps to recognize that the money moving prices and the money flowing into ETFs are, functionally, two different pools of capital. The primary force behind Ethereum's and XRP's spikes was spot-market buying combined with a derivatives-driven short squeeze. When bitcoin surged after the Treasury's bond buyback expansion announcement, traders on exchanges like Coinbase and Binance who had bet against further gains were forced to buy back their short positions to limit losses - and because Ethereum's and XRP's market capitalizations are far smaller than bitcoin's, that same wave of forced buying moved their prices proportionally much more. This is the same dynamic that drives small-cap stocks to swing harder than large-caps on identical dollar volumes: bitcoin's market cap sits above $1.5 trillion, while Ethereum's is roughly $300 billion and XRP's around $80 billion - a gap of 10x to 20x that makes the smaller assets inherently more sensitive to a given flow of capital.

ETF inflows work differently. An ETF issuer has to actually acquire the underlying coins and issue creation units in exchange, a process that's slower and more institutionally cautious than instant market-price trading on an exchange. There's also a maturity gap: bitcoin has had US spot ETFs trading since January 2024, ether since mid-2024, while XRP spot ETFs only launched in earnest this year. That difference in track record, distribution through brokerages and advisory platforms, and institutional familiarity naturally means bitcoin still commands the deepest and most reliable pipeline of institutional capital. The result this week was a split market: fast-moving derivatives and spot trading whipsawed the prices of smaller-cap altcoins, while slower institutional capital via ETFs kept concentrating in the most established, most liquid asset - bitcoin.

Policy also played a role. On August 19, President Trump gathered crypto industry CEOs from Coinbase, Ripple, and Robinhood at the White House and pushed Congress to advance a "fair version" of the CLARITY Act, reviving hopes ahead of a Senate cloture vote scheduled for September 15. The bill's core purpose is clarifying when digital assets are classified as commodities rather than securities - and for Ripple, whose business model is built directly around XRP's use as a payments and settlement network, that regulatory clarity translates more directly into the token's actual utility case than it does for most other assets. Bitcoin, by contrast, has already achieved most of the institutional legitimacy this kind of legislation would confer, which is one reason it reacted comparatively less to the same headline.

This kind of price-versus-flow divergence isn't new. When bitcoin's first US spot ETFs launched in January 2024, the early months saw repeated stretches where price and flow data moved independently, partly due to heavy redemptions out of Grayscale's GBTC clashing with fresh inflows elsewhere. Ether's spot ETFs followed a similar pattern after their July 2024 launch, with underwhelming initial inflows and a sluggish price for months before institutional money gradually caught up. The historical pattern is that price often moves first, and institutional ETF capital follows only after a lag that can stretch to a year or more - which suggests this week's early XRP ETF flows deserve to be watched over a similarly extended window rather than judged on one week alone.

Open interest in derivatives markets adds another layer. Futures open interest for bitcoin and ether on the CME, along with XRP perpetual futures open interest on platforms like Coinbase Derivatives and offshore exchanges including Binance, all climbed sharply during this week's rally. That points to a rally driven substantially by leveraged positioning and the short-covering it triggered, rather than by straightforward spot buying. Derivatives-driven rallies tend to unwind faster than moves backed by spot and ETF demand, which is one more reason to treat this week's altcoin outperformance as a data point to track rather than confirmation of a lasting trend shift - the more telling signal will be whether ETF inflows actually follow in the weeks ahead.

What to Take Away From This

Price gains and fund inflows measure different things. Which asset rose the most this week and which asset is actually attracting real institutional capital are two separate questions. Chasing the biggest percentage mover without checking what kind of money is behind that move - fast derivatives unwinding or durable long-term capital - is a common mistake.
Smaller market caps swing harder on the same catalyst. Ethereum and XRP outpacing bitcoin this week likely reflects thinner liquidity and higher beta, not a sudden fundamental improvement. That same dynamic cuts both ways on the downside.
Growth rates on new ETF categories can be misleading. A 28% jump in cumulative XRP ETF inflows sounds compelling, but it's arithmetic from a small starting base. Judging real capital rotation requires looking at absolute dollars, how long the product has existed, and how deep its distribution network is - not the percentage change alone.
Policy catalysts don't hit every asset equally. The same CLARITY Act headline can move an asset whose business model is directly tied to the regulation (Ripple's payments network) far more than one that has already achieved broad institutional acceptance (bitcoin). When policy news breaks, ask how directly it connects to that specific asset's actual business use case.

FAQ

Why did Ethereum and XRP rise more than bitcoin this week?

The short squeeze and buying pressure that drove bitcoin's rally spilled over into Ethereum and XRP, but because their market caps are roughly 1/5th and 1/20th the size of bitcoin's, the same dollar amount of buying moved their prices proportionally further. Renewed optimism around the CLARITY Act's Senate timeline gave XRP an added boost given Ripple's payments-focused business model.

If altcoins rose more, why did ETF money still favor bitcoin?

Bitcoin's spot ETFs have traded since January 2024 and ether's since mid-2024, giving both time to build distribution and institutional trust that XRP's newly launched spot ETFs haven't had the chance to establish yet. ETF capital also moves more slowly and cautiously than exchange trading, so it naturally concentrates in the most established, most liquid product - which remains bitcoin.

Does a 28% jump in XRP ETF inflows matter?

The growth rate is notable, but the underlying dollar figure - roughly $1.51 billion in cumulative inflows - is a small fraction of what a single major bitcoin ETF like IBIT manages. New product categories often post large percentage gains off a small base, so the growth rate alone shouldn't be read as proof of a major capital rotation without also weighing the absolute size involved.

Sources

This article is an original synthesis and analysis based on the reporting below, not a reproduction of the original articles. Please check the source articles directly for the most current figures and schedule details.

⚠️ This article is for informational purposes only and is not investment advice. Market conditions change constantly - always verify the latest data before making investment decisions.