BlackRock's ETHA Leads $141.5M Single-Day Outflow From US Spot Ethereum (ETH) ETFs, Worst Since January

A $141.5M Single-Day Reversal

US spot Ethereum (ETH) ETFs logged their heaviest single-day outflow in roughly eight months on Sept 15, as net flows across the complex swung to a $141.5 million exit after two consecutive sessions of inflows. One separate flow tracker that reconciles a slightly wider fund set puts the same day at $142.3 million; on either count, the session stands as the largest daily outflow since Jan 30. The reversal snapped an inflow streak that had run for two straight trading days from Sept 11, according to aggregated spot ETF flow data.

Issuer-level detail shows where the money left. On the day, four of the eleven listed funds saw capital exit, three took in inflows and the remaining four were flat, with the damage concentrated almost entirely in BlackRock's flagship product. ETHA drained $98 million — more than the entire complex took in combined — after the same fund had gathered $122.4 million across the prior five trading sessions. Bitwise's ETHW followed with $34.4 million out, Grayscale's ETHE shed $17.5 million and Fidelity's FETH lost $7.2 million. On the receiving side, BlackRock's ETHB added $12.4 million, 21Shares' TETH pulled in $2.4 million and MSSE took in a token $0.78 million.

The monthly frame sharpens the picture. September month-to-date net inflows through the 15th stand at $303.4 million, a marked slowdown from August's $1.84 billion, so one heavy session has clawed back a sizable slice of this month's accumulation. Since the products debuted in July 2024, cumulative net inflows total $13.37 billion. The five sessions before the 15th had still been net positive at $200 million, meaning the swing is sharp but measured against a supportive stretch. Flow desks treat prints of this size as a demand signal that can weigh on Ethereum markets into the following sessions, though single-day readings do not always persist.

Where the Complex Stands

The composition of the day tells more than the headline total. Across the 11 listed US spot ETH funds, turnover reached $1.985 billion on Sept 15, with BlackRock's ETHA alone accounting for $1.367 billion — nearly 69% of all trading in the complex. Grayscale's ETH and ETHE each turned over roughly $174 million, underscoring how lopsided the session's attention was. That concentration explains how a single fund can pull the entire group negative: ETHA is also the largest product by assets at $8.596 billion, ahead of Grayscale's ETH at $2.167 billion and Grayscale's ETHE at $1.765 billion.

Taken together, the funds hold $15.42 billion in net assets, equal to about 5.25% of Ethereum's total market capitalization. The cumulative ledger shows the two-way nature of demand since launch: ETHA has absorbed $12.995 billion while ETHE, the converted trust, has bled $5.418 billion, and Fidelity's FETH has gathered $2.289 billion. VanEck's ETHV at $171.3 million and Franklin's EZET at $67.8 million sit in the long tail of that table. The ETF-held share now sits alongside corporate Ethereum treasury accumulation as the main structural sinks for circulating supply, and exchange reserves down 73% from the 2020 peak keep outright sell pressure contained even on heavy outflow days. Network usage offers the counterweight to the flow softness: our coverage of record 203.9 million Q2 transactions showed on-chain activity at all-time highs in the quarter just ended. Whether passive demand re-engages at these levels, or the $303.4 million month-to-date cushion keeps eroding, is the question the next flow prints will answer. Readers tracking the market in real time can follow live spot and futures prices on Binance.

The $2,263 Floor Decides the Next Leg

COINOTAG's proprietary 42-indicator composite S/R scoring engine puts ETH at $2,404, down 3.44% over 24 hours, with the nearest resistance at $2,422 rated 70/100 on a Pivot Point, MACD Cross and EMA 20 confluence, and a stronger ceiling at $2,622 at 72/100 from Donchian Upper and Swing High sources. The $2,263 support scores 63/100, built on SMA 50, Fibonacci 0.382 and Supertrend, with $2,101 at 61/100 (EMA 200, SMA 200) behind it. Positioning adds caution: funding sits at a near-flat 0.0010%, open interest at $9.78 billion and the long/short account ratio at 2.04, with 67.1% of accounts long, while the Fear & Greed Index reads a neutral 51 and Bitcoin dominance holds 68.4% of the tracked market, leaving the altcoin market without a broad bid. The bullish path needs a hold of $2,263 and a reclaim of $2,422 to retest $2,622; a daily close beneath $2,263 invalidates it and opens $2,195, then $2,101. Measured back against the Sept 15 session that produced the $141.5 million outflow, ETH closed below the $2,422 pivot — the level that flows and price must both flip for the trend to realign, a setup analysts such as Ted Pillows, who maps a $3,000 Ethereum path on policy catalysts, watch closely.