Short Ethereum after Fusaka upgrade: Culper’s bear case
06 Mar 2026 · 13:17 UTC · Bitcoin Ethereum News RSS Feed · Original source
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Summary
Culper Research has publicly disclosed a short position in Ethereum, arguing that the recent Fusaka upgrade has negatively impacted the token's economics. They claim that the upgrade has led to a drastic reduction in transaction fees, which could harm validator revenues and staking incentives. Culper's analysis indicates that these changes will lead to prolonged downward pressure on ETH prices.
Why it matters
Culper Research's analysis suggests significant structural issues in Ethereum's tokenomics following the Fusaka upgrade, leading to fears of prolonged price declines. As traders react to this information, we expect a measurable impact on both Ethereum and the broader altcoin market. The potential for increased volatility arises from the speculative nature of short positions and the reaction of retail investors to bearish sentiments. Bitcoin's correlation with altcoins means that it may also be affected, albeit to a lesser extent.
Expected impact
The bearish outlook presented by Culper Research regarding Ethereum's Fusaka upgrade is likely to contribute to negative sentiment in the market, particularly for altcoins like ETH. This could lead to increased short positions and downward pressure on ETH prices in both the short and medium term. Bitcoin may also experience some bearish sentiment as traders reassess their risk appetite in light of Ethereum's challenges.