On-chain trackers reported that a wallet linked to market maker Wintermute raised its short exposure on Hyperliquid to about $190.77 million, while moving 3,834.3 BTC—valued at roughly $256.8 million—to exchange deposit addresses during the week. The activity came as Bitcoin retreated after approaching $80,000, with Ether and XRP also declining during the weekend sell-off.
The combination of a larger derivatives short book and substantial Bitcoin transfers drew attention because the wallet’s positions are large enough to influence how traders interpret market-maker activity. Yet the available data does not establish that the Bitcoin deposits were intended for outright sales, and the Hyperliquid position may include hedges designed to offset other inventory or trading obligations.
Short book grows as long exposure shrinks
Onchain Lens said on Aug. 23 that wallet address 0xecb63caa47c7c4e77f60f1ce858cf28dc2b82b00, which it identified as Wintermute-linked, held about $199.81 million in total perpetual-futures exposure on Hyperliquid.
The tracker’s earlier reading showed approximately $160.03 million in open positions: $146.19 million in shorts and $13.85 million in longs. In the later snapshot, the short book had climbed to around $190.77 million, while long positions had fallen to about $9.05 million.
That represents a $44.58 million increase in gross short exposure, alongside a reduction of about $4.8 million in long positions. On a net basis, the wallet’s bearish exposure expanded from roughly $132.34 million to about $181.72 million.
The largest short positions were concentrated in major liquid tokens. Ether represented about $53.02 million of the short book, followed by Bitcoin at $30.66 million, Solana at $22.62 million, Hyperliquid’s HYPE token at $11.43 million, and XRP at $10.19 million, according to Onchain Lens.
This allocation places the wallet’s largest directional-looking exposure in Ether rather than Bitcoin, even as Bitcoin transfers generated much of the public discussion around the activity. The inclusion of SOL, HYPE and XRP also suggests the account was positioned across the higher-beta segment of the market rather than focused solely on Bitcoin’s price movement.
Floating losses rise despite funding income
The Hyperliquid account showed an unrealized loss of about $5.85 million in the latest reading, up from approximately $3.66 million in the prior update, according to Onchain Lens. The tracker also showed that the wallet continued to receive funding payments.
Perpetual futures use funding payments to keep contract prices close to the underlying spot market. Depending on the funding rate, traders holding either long or short positions may receive periodic payments from the other side of the market. A short position collecting funding can therefore earn income even while its mark-to-market value is temporarily negative.
The wallet’s reported lifetime profit and loss remained positive at about $203.55 million, despite the current floating loss. That figure provides context for the account’s scale, though it does not reveal the strategy behind each individual trade or show positions held elsewhere.
A response to the Onchain Lens post characterized the Hyperliquid activity as delta-neutral funding-rate arbitrage rather than a straightforward bearish wager. Such a strategy can involve shorting perpetual contracts while holding offsetting spot assets or other long exposure outside the visible wallet, seeking to collect funding while limiting net price risk.
That explanation remains plausible but unproven from the Hyperliquid snapshot alone. On-chain and exchange-linked wallet data can reveal balances and transfers, while the full purpose of a market maker’s positions may depend on client flow, hedges, inventory management and activity across venues.
Bitcoin transfers add to market scrutiny
Separate Onchain Lens posts tracked 3,834.3 BTC moving from Wintermute-linked addresses to exchange deposit addresses during the week. The total was valued at about $256.8 million at the prices cited by the tracker.
On Aug. 22, the tracker reported an additional deposit of 590.9 BTC worth around $45.66 million, which brought the weekly running total to the 3,834.3 BTC figure. It later reported that 1,279.99 BTC, valued at approximately $98.68 million, moved to Binance in eight transactions over an 18-hour period.
Onchain Lens also flagged a further combined transfer of around $57 million in Bitcoin and Solana to Binance and Coinbase.
Transfers to exchange deposit addresses can precede sales, but they can also supply liquidity for market-making, settle trades, meet collateral needs, rebalance holdings or support transactions across venues. The repeated deposits show that Wintermute-linked wallets were moving substantial inventory into exchange infrastructure; they do not independently show completed spot sales or a decision to abandon a bullish view.
Price levels sharpen the derivatives focus
Bitcoin’s pullback from the $80,000 area has made derivatives positioning more sensitive, particularly for accounts carrying large short or long leverage. The supplied market snapshot placed Bitcoin near $77,176 on Aug. 24 after a burst of buying linked to government-debt news, following the earlier retreat.
The same market commentary pointed to $78,000 as a near-term level for leveraged long positions and $74,000 as a downside area traders were watching. Those levels are technical reference points rather than guarantees of support or resistance, but they help explain why funding payments and liquidation risks have become central to the discussion.
A sharply funded perpetual market can create pressure on the crowded side of a trade. If traders pay high rates to maintain long positions and prices weaken, some may be forced to close positions, adding sell pressure. A renewed rally can produce the opposite effect for short sellers, especially where leverage is high.
Wintermute’s visible Hyperliquid book leaves the wallet heavily weighted toward shorts, but the accompanying funding income and the firm’s role in supplying liquidity make a simple “bearish bet” reading incomplete. The more useful signal in the coming sessions will be whether the short exposure, exchange deposits and funding flows continue to rise together—or begin to reverse as market conditions change.
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