ServiceNow Now Assist Hits $1B ACV Run Rate — Fastest Product Launch in Company History, Stock Surges 5.5%

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ServiceNow's Now Assist generative AI engine achieved a $1 billion annual contract value run rate in March 2026, making it the fastest-growing product in the company's history. Enterprise customers are paying a 'Pro Plus' premium of 25-45% above standard tiers to access autonomous capabilities. The announcement triggered a 5.5% stock surge on April 1 and catalyzed a broader 15% recovery in the S&P 500 Software Index from February's 'Black Tuesday' lows — the first definitive proof that enterprise buyers will pay premium pricing for AI-native ITSM.