Hyperliquid, une plateforme de trading, détient une position vendeuse de 38 millions de dollars sur le Bitcoin, mais cela a-t-il une importance quelconque ?

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Key takeaways:

A whale linked to asset manager Fasanara Capital holds a $38 million crypto short position, but will it impact Bitcoin’s price?

Negative futures funding rates at Binance and Bybit point to unusual demand for bearish positioning despite BTC’s recent price gains.

Bitcoin (BTC) struggled to trade above $78,000 on Friday, but the overall setup remains bullish. BTC gained 29% since the $60,100 yearly low on Feb. 6, and many analysts believe it is on the verge of a longer-term breakout. At the same time, a bearish Bitcoin whale on Hyperliquid exchange has maintained a large short position. The whale has made $159 million in profits over the past seven months. Does its positioning provide any signal that the market should pay attention to?

The entity behind address 0x7fda…c517d1 (also known as BobbyBigSize) on Hyperliquid exchange excelled during the market crash between October to November 2025 by placing leveraged short bets on Ether (ETH), Hyperliquid (HYPE), Avalanche (AVAX), and Fartcoin, among others. The account has failed to sustain its gains, resulting in a $561,000 loss over the past 30 days.

The whale is bullish on ETH, but bearish on BTC and altcoins

Using algorithmic trading, the whale opened short-duration long positions in Bitcoin and Solana (SOL) in the past, resulting in a staggering $11 billion in trades on Hyperliquid exchange. BobbyBigSize currently holds $19.4 million in assets deposited on the platform. 63% of its trades result in positive outcomes, which is considered highly successful.

Currently, BobbyBigSize holds a $38 million short position in BTC and multiple altcoins. The trader also opened a $21 million leveraged long ETH position last week, indicating short-term confidence. Generally, the portfolio positioning is bearish, suggesting an expectation of a short-term correction.

The average trade duration for BobbyBigSize has been slightly longer than two weeks, while the median position has lasted for less than four days, according to Hyperdash data. Arkham data previously linked this address to Fasanara Capital, a London-based institutional asset manager. The company reportedly manages over $5 billion in assets.

According to Fasanara Digital’s website, it launched in 2018 and manages $400 million across market-neutral strategies and venture investments. In parallel, a quantitative multi-manager approach in various liquid markets manages $150 million. However, the strategy behind the fund’s approach to cryptocurrency was not clearly specified.
Funding rates for BTC and ETH stood slightly positive on Hyperliquid, indicating moderate demand for leveraged long positions. Under neutral circumstances, longs pay 6% to 12% annualized rates to maintain their positions. Currently, funding rates are negative on Binance and Bybit, signaling unusually high demand for bearish leverage.

Algorithmic traders are erratic and unpredictable, and losses by “BobbyBigSize” over the past couple of months evidence that no single trading strategy lasts indefinitely. However, this whale’s bearish positioning aligns with the increased demand for leveraged short positions; therefore, Bitcoin traders should not discard the possibility of a retest of the $75,000 level.
source: https://www.tradingview.com/news/cointelegraph:168c408b6094b:0-hyperliquid-whale-holds-38m-short-against-bitcoin-but-does-it-matter/