Five Below delivered robust Q1 2026 results, with net sales up 32.5% and comps up 22.7%, driven by strong transaction growth. FIVE's turnaround is now scaling, evidenced by broad-based traffic gains, improved margins, and effective marketing leveraging social media trends. Despite temporary Q1 tailwinds, I see the current ~21x NTM P/E as undervaluing FIVE's sustainable earnings growth potential.