Deciding whether to sell Archer Aviation stock depends on your individual risk tolerance, portfolio strategy, and initial investment thesis. Investors who purchased the asset as a speculative long-term play on urban air mobility may choose to hold, leaning on catalysts like the Boeing strategic partnership, Stellantis manufacturing backing, and multi-year order books. Conversely, risk-averse investors concerned about heavy ongoing cash burn, potential share dilution from future capital requirements, and lengthy regulatory certification delays often elect to lock in gains or cut exposure. Consulting a licensed financial advisor is recommended before making portfolio decisions.