6天暴涨312%！OpenDoor成最新美股“网红”，散户“正像1999年一样狂欢”

Core Viewpoint - OpenDoor Technologies has experienced a significant surge in stock price, becoming the latest "meme stock" in the U.S. market, with a rise of 312% over six trading days, attracting retail investors and drawing comparisons to the 1999 internet bubble [1][3]. Stock Performance - The stock price increased from approximately $1 to a peak of $4.97, with a trading volume of 1.9 billion shares on July 21, marking a 1700% increase compared to the three-month average [1][2]. - The UBS meme stock index rose by 4% on the same day, indicating a broader trend in the meme stock sector, with other stocks like QuantumScape and Bit Mining also seeing significant gains [2]. Retail Investor Behavior - The current enthusiasm among retail investors is likened to the 1999 internet bubble, with notable activity on social media platforms such as X and Reddit's WallStreetBets forum, which have fueled the stock's volatility [3]. - Approximately 24% of OpenDoor's free float is shorted, contributing to a potential short squeeze scenario similar to the GameStop incident in 2021 [3]. Options Trading Activity - OpenDoor's options trading volume reached a record high of over 3.4 million contracts, more than doubling from the previous day, with a significant portion focused on short-term options expiring soon [5]. - The most active call options at the $4.5 strike price had an average trade size of only 11 contracts, indicating that most activity is driven by retail investors [5]. Other Meme Stocks - Other meme stocks have also shown strong performance, with QuantumScape rising nearly 200% and Bit Mining increasing by 87% over the past month [4]. Company Fundamentals - OpenDoor, which went public through a merger with a special purpose acquisition company in 2020, has seen its stock decline by 51% prior to the recent surge, raising questions about its fundamental business performance [5]. - The company operates an online platform for buying and selling real estate in the U.S. and faces challenges from changing interest rates and adjustments in the real estate market [5].