Spot Bitcoin exchange-traded funds (ETFs) based in the United States have raked in more than $1.1 billion since Sept. 23, the largest week of inflows since July 15–19.

According to Farside Investors, it included $494.4 million on Sept. 27, the best-performing day since June 4. Spot Bitcoin ETFs saw inflows of $366 million on Sept. 26 .

BlackRock’s iShares Bitcoin Trust, the ARK 21Shares Bitcoin ETF and the Fidelity® Wise Origin® Bitcoin Fund led weekly flows with $499 million, $289.5 million and $206.1 million, respectively.

The Invesco and Galaxy, Franklin Templeton, Valkyrie and VanEck Bitcoin funds saw inflows between $5.7 million and $33.3 million, while the WisdomTree Bitcoin Fund didn’t record any inflows during the week.

US spot Bitcoin ETF flows between Sept. 23–27. Source: Farside Investors

The latest inflows bring aggregate inflows for the 11 spot ETFs combined to $18.8 billion since they launched in January. 

The rise in spot Bitcoin ETF flows follows the US Federal Reserve’s interest rate cut on Sept. 18. 

Since then, Bitcoin has rallied 13.8% to $65,800, CoinGecko data shows.

The cryptocurrency is now only 10.8% off its all-time high price of $73,738 set on March 14.

With the fourth quarter about to kick off, Bitcoin has recorded gains of 50% or higher in Q4 of five of the last nine years, CoinGlass data shows.

Related: ‘Sustained’ Bitcoin ETF inflows may ‘buoy’ price despite slowing spot buying

Meanwhile, US spot Ether ( ETH ) ETFs recorded $85 million in inflows this week, making it their biggest week since Aug. 5–9.

Since launching on July 23, the Ethereum products have seen inflows of a little more than $1.1 billion, factoring in the $2.9 billion in outflows from the Grayscale Ethereum Trust.

US spot Ether ETF flows between Sept. 23-27. Source: Farside Investors

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