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According to CoinShares’ weekly report, inflows into cryptocurrency investment products reached $3.55 billion (approximately ¥560 billion) during the week of September 21–25, marking the largest weekly inflow of 2026. Bitcoin led the way with $2.52 billion in inflows, with spillover into Ethereum, Solana, and XRP. By region, the United States accounted for roughly 97% of total inflows. Analysts attribute the surge to the Federal Reserve’s September 16 rate hike decision, which removed key policy uncertainty and helped restore institutional investor confidence.
Key Elements
Digital asset manager CoinShares published a market report on September 29 showing that global cryptocurrency investment products attracted $3.55 billion (approximately ¥560 billion) in inflows during the week of September 21–25 — the largest weekly inflow so far in 2026.
The preceding two weeks had seen inflows and outflows roughly balanced, with outflows slightly outpacing inflows. Last week marked a sharp reversal into significant inflows, pushing total assets under management to approximately $173 billion (approximately ¥27.4 trillion). Cumulative year-to-date inflows reached $8.6 billion (approximately ¥1.4 trillion).
CoinShares attributed the surge in inflows to the Federal Reserve’s September 16 decision to raise interest rates by 25 basis points, bringing the policy rate to 3.75%–4.00%. With a majorence recovered, and the firm notes that “buy the news” behavior emerged after weeks of cautious positioning
Bitcoin Leads, Altcoins See Spillover
U.S.-listed spot ETFs also performed solidly, with Bitcoin ETFs pulling in $2.39 billion (approximately ¥380 billion) and Ethereum ETFs attracting $690 million (approximately ¥110 billion). Both recorded inflows on every trading day of the week. However, momentum slowed from Friday onward, and by the following Monday, net inflows had contracted to $31 million (approximately ¥4.9 billion) for Bitcoin ETFs and $17 million (approximately ¥2.7 billion) for Ethereum ETFs.
Bitcoin’s price recovered from below $75,000 (approximately ¥12 million) to above $83,000 (approximately ¥13 million) during the reporting period. After reaching $87,000 (approximately ¥14 million) on September 23, it pulled back to around $84,000 (approximately ¥13 million).
U.S. Accounts for 97% of Demand
| Region | Weekly Inflows |
|---|---|
| United States | $3.434 billion (approx. ¥540 billion) |
| Germany | $73.9 million (approx. ¥12 billion) |
| Canada | $21.8 million (approx. ¥3.5 billion) |
| Switzerland | $20.9 million (approx. ¥3.3 billion) |
Note: Based on CoinShares’ weekly report. Currency conversions by editorial staff.
CoinShares noted that the latest inflows demonstrate how short-term demand for cryptocurrencies has become sensitive to the macroeconomic calendar. Some market analysts have suggested that rising U.S. Treasury yields and a stronger dollar could affect future fund flows. Investors are closely watching the possibility of additional rate hikes, and the sustainability of inflows into crypto investment products will likely continue to hinge on the trajectory of monetary policy.
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