A position in the CFTC report can multiply fivefold in three weeks without anybody changing their mind about anything. That sentence is the single most useful thing to understand about this data, and CME ether futures have just demonstrated it.
−2,703
Leveraged fund net position, 24 February 2026
−13,989
Leveraged fund net position, 17 March 2026
+12,969
Dealer net position, the other side of the trade
38,577
Open interest, contracts
Source: CFTC Commitments of Traders, Traders in Financial Futures, futures only. Prices are Coinbase daily closes. Computed by Institutional Asset Journal.
Leveraged funds’ net position in CME ether futures
Net long minus short, in contracts, by weekly report. The short is the financing leg of a cash and carry trade, not a bet.
Source: CFTC Commitments of Traders, Traders in Financial Futures, futures only. Prices are Coinbase daily closes. Computed by Institutional Asset Journal.
Why a short can grow without a bear
The trade is cash and carry. An arbitrageur buys ether, or a product holding ether, and sells the CME future against it. The future usually trades above spot when demand for leveraged long exposure is strong, and the gap closes by expiry. The position has no exposure to the price of ether at all: its return is the annualized spread less the cost of the capital tied up in the collateral.
The arbitrageur is generally classified as a leveraged fund, so the trade appears in this report as a growing short in that category. It is the opposite of a bearish position. It requires the fund to buy and hold the underlying.
What actually moved
Open interest rose to 38,577 contracts. Dealers are net +12,969, and the asset manager category is net +702. A short that grows while open interest grows and the other categories take the long side is a trade being financed, not a market being sold.
The most likely cause is that the spread between the future and spot widened enough to pay for the capital. That happens when demand for leveraged long exposure picks up, which is a constructive signal about the market rather than a negative one, and it is the reverse of how a growing short is usually reported.
A position can multiply fivefold in three weeks without anybody changing their mind about anything.
Institutional Asset Journal
The test that separates the two readings
If a growing leveraged short is a carry trade, open interest rises with it and some other category takes the long side. If it is a directional bet, open interest can rise while the long side is absorbed by dealers who are hedging rather than investing, and the position unwinds against price rather than against the calendar.
This week the first pattern holds. It is worth applying the same test to the headline that a growing hedge fund short means professional money is betting against an asset, which is published somewhere most weeks and is usually describing financing.
How this was measured
- Figures are taken from the CFTC’s Commitments of Traders release, Traders in Financial Futures, futures only. That report covers positions held at the close on a Tuesday and is published the following Friday at 15:30 Eastern, so every reading here is three days old on the day it appears. Net positions exclude spread holdings, which the CFTC reports separately. Notional values apply the CME contract multiplier and the Coinbase daily close on the report date. The series is rebuilt from source each week; the CFTC restates prior weeks on occasion and restatements are carried through rather than footnoted.
