Perplexity's valuation has remained anchored to its September 2025 Series E extension at a $20 billion post-money level, with secondary-market marks and implied prices ranging from $17 billion to $23 billion as of early November 2026. Revenue growth to an annualized run rate above $750 million by August 2026 provided the main support for trader expectations, yet no new equity round closed by the October 31 deadline despite reported Nvidia discussions targeting above $30 billion. This gap between revenue momentum and actual financing events likely shaped market-implied odds, as private valuations hinge on verifiable rounds rather than estimates alone. Sector-wide AI funding caution and the absence of an IPO or major partnership milestone before resolution added to the uncertainty around crossing any specific threshold.