On March 27, a whale investor (0xebe) held about $40 million in hedging positions, including a $29.56 million long position in the S&P 500 and a $10.2 million short position in both WTI and Brent crude oil. Despite betting on a decline in oil prices and a rebound in the stock market, the cooling of US-Iran negotiations weakened market confidence, leading to a collective decline in the three major US stock indices, resulting in an intraday unrealized loss of over $630,000 for the investor.

White House senior adviser David Sacks will continue to lead in the areas of artificial intelligence and cryptocurrency, and has been appointed co-chair of the President’s Council of Advisors on Science and Technology, with the goal of advising on key technical issues and advancing the 2026 priorities proposed by Trump.

On March 27, as gold prices declined, the probability of the event "Gold falling below $4,300 by the end of March" on Polymarket rose to 39%. International crude oil futures surged significantly due to uncertainties in US-Iran negotiations, while the three major U.S. stock indices fell. Meanwhile, spot gold dropped to $4,402.51, down 0.55% over 24 hours.

According to SoSoValue data, on March 26th, SOL spot ETF experienced a total net outflow of $1,041,000. Among them, the Fidelity Solana Fund ETF had the largest outflow, reaching $758,200. The total net asset value is $850 million, with a historical net inflow of $993 million.

Gate News reports that on March 26, the US stock market opened lower, with all three major indices declining. The Dow Jones Industrial Average (Dow) fell 0.48%, the S&P 500 dropped 0.74%, and the Nasdaq Composite declined 1.12%. Additionally, crypto-related concept stocks generally declined.

Gate News reports that on March 26, market data from a certain trading platform shows that over the past 24 hours, the cryptocurrency sector and US stock tokens generally declined. Among them, GEMI dropped the most, down 10.55%; IREN fell 6.86%; COIN decreased 5.44%; CRCL declined 3.72%. MARA was the only token to rise against the trend, increasing by 1.96%.

The US has indicted two China-based pharmaceutical companies for allegedly using cryptocurrency to sell fentanyl precursors to Mexican cartels. Charges include money laundering and terrorist financing. This indictment highlights the ongoing challenges posed by crypto in international drug trafficking.

The expectations for a ceasefire in the US-Iran negotiations fluctuate, and Brent crude oil prices rose intraday. The largest position holder, Abraxas Capital, increased their short positions by $16 million, bringing the total position size to $66.4 million, with unrealized gains decreasing to $2.2 million.

Morgan Stanley rate strategists point out that the US Treasury market experienced a sell-off this month, primarily driven by traders abandoning expectations for rate cuts and instead pricing in rate hikes, which caused two-year Treasury yields to rise sharply. The decline in liquidity, coupled with rebounding trading volume, reflects that most transactions were driven by necessity.

A U.S. federal judge approved a class action lawsuit against Nvidia and CEO Jensen Huang, alleging they concealed GPU revenue dependence related to cryptocurrency mining and misled investors. Nvidia failed to prove that the relevant statements had no impact on stock price, and the litigation will proceed. Previously, the SEC fined the company for disclosure violations.