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19 hour ago
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Bullish

US Bitcoin and Ethereum ETFs attract $492M, extend five-day inflows

2 min

US spot Bitcoin and Ethereum ETFs recorded $492 million in combined net inflows on August 21, extending a five-day positive streak across both cohorts.

TL;DR

  • Spot Bitcoin ETFs: $307 million net inflows on August 21, led by BlackRock’s IBIT at $239.3 million.
  • Spot Ethereum ETFs: $185 million net inflows, led by BlackRock’s ETHA at $151 million.
  • Five consecutive positive sessions for both BTC and ETH ETFs; weekly inflows: $1.92 billion for BTC, $697 million for ETH.

Flows As Regulated-Demand Indicator

ETF net inflows reflect demand through regulated brokerage channels. Concurrent inflows into Bitcoin and Ethereum indicate investors are adding diversified crypto exposure via public markets.

Issuer Leadership

BlackRock led both categories: IBIT accounted for most of the Bitcoin ETF inflows, and ETHA led the Ethereum products. Larger funds typically provide deeper liquidity, tighter spreads, and broader distribution, which can reinforce ongoing inflows.

Streak Significance

A multi-session inflow streak signals consistent allocation rather than a single-day spike. ETF inflows across several sessions indicate sustained demand compared with rallies driven primarily by short liquidations.

Flow Metrics: Read With Precision

The $492 million figure is a single-session combined net inflow. The $1.92 billion (Bitcoin) and $697 million (Ethereum) figures are weekly totals. These are distinct from cumulative assets under management and lifetime ETF flows.

Daily flows: immediate demand. Weekly flows: multi-session momentum. Cumulative assets: longer-term product scale.

What To Watch

Monitor whether inflows persist during price volatility. Continued allocations during pullbacks would indicate durable institutional demand; a fast reversal would point to momentum-driven positioning.

Track Ethereum’s pace relative to Bitcoin. Strong ETH flows support broader market narratives including DeFi, staking, tokenization, and smart contracts.

Source: public ETF flow data from Farside Investors. Written by News Desk; edited by Samuel Rae.

This report relies on disclosures cited at primary source documentation.