TLDRNextdoor (NXDR) shares climbed as much as 49% Wednesday in the biggest rally since 2021EMJ Capital’s Eric Jackson believes the platform’s 100 million verified households are undervalued for AI usesJackson previously pushed Opendoor up 360% this year and Better Home up 176% in SeptemberThe hedge fund manager says Wall Street misunderstands Nextdoor’s true value as an identity verification platformStock finished the day up 16% as trading volume spiked well above average levelsNextdoor Holdings Inc. posted its strongest trading session in more than four years Wednesday. Shares climbed as much as 49% after hedge fund manager Eric Jackson outlined his bullish case for the social media platform.Nextdoor Holdings, Inc., NXDRJackson manages EMJ Capital out of Toronto. His recent picks have delivered explosive returns. Opendoor Technologies gained over 360% in 2025 following his endorsement starting in June. NEXTDOOR ($NXDR ): The Most Mispriced Agentic-AI Platform of the 2020sA Rising Dynasty blueprint for a potential multi-S-curve re-rating.Every cycle, a few platforms stay misunderstood for years…until one moment reframes everything.Nextdoor at ~$2.00 today feels like…— Eric Jackson (@ericjackson) December 10, 2025The investor described Nextdoor as a misunderstood opportunity. He thinks the market hasn’t grasped the platform’s potential in artificial intelligence applications.The AI AngleCurrent valuations treat Nextdoor like a struggling local advertising business. Jackson sees something different. He points to the platform’s database of more than 100 million verified households.These aren’t fake profiles or bot accounts. Every user represents a real household with verified identity information. Jackson calls this network an irreplaceable asset for the AI era.The platform lets neighbors communicate about local issues. Users post recommendations, report concerns, and organize community events. This activity creates verified behavioral data that Jackson believes has untapped commercial value.His investment approach draws heavy retail participation. Once Jackson shares his views, day-traders often pile into his picks. Better Home & Finance Holding Co. surged 176% in September after he took a stake.Pattern RecognitionSome observers compare Jackson to Keith Gill, the original meme stock influencer. EMJ Capital’s portfolio includes volatile names that attract speculative trading. This strategy has generated criticism alongside profits.The numbers don’t lie though. Despite falling 30% from its September high, Opendoor still trades up over 360% year-to-date. Those returns grab attention in any market environment.Nextdoor dealt with user metric controversies before its public debut. The company successfully defended against accusations of inflating active user statistics. Management cleared those hurdles and moved forward.Wednesday’s trading saw volume multiply several times over normal activity. The stock opened strong and maintained gains throughout the session. It closed up approximately 16% after the early surge moderated.Market ResponseThe 49% intraday peak represented the best single-day performance for Nextdoor since going public. Traders scrambled to react to Jackson’s statements. Options trading accelerated as speculators positioned for continued volatility.Jackson’s investment thesis focuses on monetizing AI capabilities. He believes current pricing ignores future revenue opportunities from the verified user database. The market will eventually decide if he’s correct.His track record with EMJ Capital attracts both followers and skeptics. The strategy of publicly promoting undervalued positions works until momentum reverses. Some previous picks have surrendered gains after initial pops.Nextdoor traded around $3 per share before Wednesday’s action. The company generates revenue through local advertising and business partnerships. Growth rates have been moderate compared to larger social platforms.Jackson’s conviction rests on the uniqueness of verified household data. He thinks AI companies will pay premium prices for this information. His position suggests he expects the stock to move higher from current levels.The post Nextdoor Holdings (NXDR) Stock: Shares Rocket 49% as Opendoor Investor Takes New Position appeared first on Blockonomi.