Key Takeaways Archer Aviation stock fell 26.3% in 3 months and 33.2% in a year, lagging sector benchmarks.Archer Aviation holds nearly $2B liquidity, but posted $618.2M net loss and $432.9M cash outflow in 2025.ACHR trades at 103.67X forward earnings, with valuation hinging on commercialization progress.Archer Aviation (ACHR) is still in the pre-revenue phase where execution milestones matter more than near-term sales. That framing has not stopped the stock from selling off. Shares fell 26.3% over the past ...