Guy Fawkes 
In Bitcoin ETF news today, US-listed BTC ETFs pulled in $986.9M in net inflows for the week ending September 4, a +6.7% increase from the prior week, according to CoinGlass data.
Over the same five trading days, inflows into Ethereum, Solana, XRP, and Hyperliquid ETF products fell between 73% and 96%. The divergence matters because it reverses the script from the week before, when altcoin funds posted triple-digit percentage gains.
US spot $BTC ETFs just printed their biggest inflow day since January.
On September 3, the funds pulled in roughly $731 million.
BlackRock’s IBIT accounted for $454 million of that.
And then the buying kept coming.
$3.8 billion flowed into spot Bitcoin ETFs over the last… pic.twitter.com/aGSb7bpUeW
— The Wolf Of All Streets (@scottmelker) September 6, 2026
Here is the tension this article works through: Bitcoin ETF demand is climbing again just as overall market participation is cooling, and neither trend has been tested yet by the macro data still on the calendar.
Bitcoin itself gained +2.58% over the five-day stretch, opening Friday at its highest level since May 12. Whether that combination of price strength and inflow strength survives next week’s inflation print is an open question, not a settled one.
Bitcoin ETF News: From an Altcoin Surge to a BTC USD Rebound
The prior week told the opposite story. For the week ending August 28, Bitcoin ETFs took in $924.5M, roughly half of the $1.92 billion collected the week before that, according to SoSoValue.
Altcoin ETFs, meanwhile, were having their moment: Solana products jumped 443% to $153.9M, XRP funds rose 178% to $110.5 million, and Hyperliquid funds reached $56.9M.
That momentum evaporated within five trading days. Solana ETFs pulled in just $6.2M, XRP funds took in $19M, and Hyperliquid funds collected $12.3M.
Crucially, SoSoValue’s data shows none of the five product groups slipped into negative territory. That distinction matters: this is a story about slower buying, not investors pulling capital back out of altcoin ETFs.
The Macro Backdrop Cuts Both Ways
Trading activity declined overall, despite rising Bitcoin ETF inflows. Bitcoin fund turnover fell to $14.5Bn from nearly $19 billion, while Ethereum ETF turnover dropped to $4.1Bn, indicating that conviction is consolidating in fewer trades.
Mixed macro signals emerged during the week. Bitcoin reached its highest price since May 12 after dovish comments from Federal Reserve Governor Christopher Waller.
However, a strong August employment report showing 162,000 payrolls, well above the 53,000 forecast, prompted traders to increase bets on a potential Fed rate hike, contradicting the earlier dovish tone.
Farside Investors reported that US spot Bitcoin ETFs attracted $986.7M in inflows, with BlackRock’s IBIT leading the inflows. The consistent totals from different trackers lend credibility to the headlines, despite some fund-level figures remaining unconfirmed.
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Bitcoin Ahead, Altcoins Flat: The Flow-vs-Price Split
In other Bitcoin ETF news, spot prices remained tight across all five assets despite the divergence in flows, which is notable in itself. BTC gained +2.58% over the five days to September 4.
Ethereum rose +1%, XRP added +3%, and Hyperliquid gained +5.7%. Solana trailed the group with a +0.2% move, and its fund assets slipped to $1.41Bn from $1.43Bn over the same stretch.
Notice the asymmetry: Hyperliquid posted the strongest five-day price gain of the group at +5.7%, yet its ETF inflows fell to $12.3M from $56.9M in the prior week.
Price performance and fund-flow momentum decoupled almost entirely across all altcoin categories, suggesting traders are taking profits or simply pausing new allocations rather than a coordinated rotation out of these assets.
Bitcoin ETF News: Altcoin ETFs are Showing Signs of Deceleration, Not Retreat
All four altcoin product groups experienced a sharp reversal from the previous week’s gains. Solana’s 443% surge decreased to $6.2M in fresh inflows, while XRP’s 178% jump fell to $19M, and Hyperliquid’s growth from $56.9M shrank to $12.3M.
Despite this, SoSoValue’s data indicates that all tracked groups, including Bitcoin, remained net positive for the week. This slowdown coincides with a broader decline in trading activity rather than a mass exit from altcoins, distinguishing it from a liquidation event.
For context, a recent stretch of daily gains in Bitcoin and Ethereum ETFs shows how quickly inflow trends can shift. Additionally, Ethereum’s slower momentum is linked to new investment products, such as 21Shares’ staking ETP, which provide alternative exposure to ETH.
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The post $986M Weekly Inflows Trigger Bitcoin ETF Boom and What Does it Mean? appeared first on 99Bitcoins.
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