Wintermute Shorts Bitcoin: $146M Against the Rally
Market maker Wintermute stacks $146M in Bitcoin shorts and sends $60M to exchanges. With spot demand thin, is the crypto rally on shaky ground?
A Market Maker Leans Against the Tape
Wintermute is one of the biggest market makers in crypto. This week it is fading the strongest Bitcoin move of the year. According to on-chain tracker Onchain Lens, the firm built multiple short positions worth $146 million on Hyperliquid against Bitcoin and other coins over the past few days.
It also sent Bitcoin and Solana worth roughly $60 million to Binance and Coinbase, per Arkham Intelligence. Exchange inflows are a classic pre-sale tell: holders leave coins in cold storage, sellers move them to venues.
Hedge or Real Conviction
Why Wintermute is positioned this way is not disclosed. Market makers routinely run shorts to hedge inventory, so the build need not be a directional call. And so far the trade is not working: the desk sits at a loss with Bitcoin at $76,450 and the rally intact.
The timing is delicate. Bitcoin posted its biggest weekly jump of the year, and Ether ran almost 30% in two days. After a move like that the urge to lock in gains is strong, and a short book like Wintermute's is built for exactly that. The firm is not alone in its caution either: Bitcoin's long/short ratio tilted slightly toward the bears over the past 24 hours.
Thin Spot, Heavy Derivatives
That is the soft spot. The rally leaned on the Treasury's larger buybacks and on the futures book rather than genuine spot demand. Without a bid on the cash market, price rides sentiment in the derivatives book. If that turns, support gives way fast. One analyst sees Bitcoin risking a round-trip back to its $65,000 launch pad, a drop near 15%.
For traders the asymmetry matters. One market maker in the red is not a sell signal. Yet exchange inflows, a softening long/short ratio and thin spot demand together describe a rally on shaky ground. This week is the test: US core inflation data and the Jackson Hole central-bank gathering can crack the derivatives book either way. Anyone long the rally should keep one eye on exchange inflows and on how the big desks are positioned.