The Peptide Microarray market outlook remains highly attractive, underpinned by accelerating demand for high-throughput epitope mapping, immune profiling and personalized vaccine design. Competitive intensity is rising as incumbents diversify into service-based offerings while nimble start-ups exploit open-source array designs, pushing price-points down 6–8% CAGR and compressing gross margins to 55–60%. Over the next decade, multiplexing beyond 40k peptides per array, AI-enabled sequence optimization and seamless integration with single-cell platforms will redefine product roadmaps, shifting value from hardware to data analytics subscriptions. Demand currently outstrips supply by ~15% for clinical-grade GMP arrays, a gap that will persist until 2027 owing to limited clean-room capacity and stringent QC standards. Key risks include evolving IP litigation on peptide libraries, tightening data-privacy rules for patient-derived samples, and potential reimbursement cuts for companion diagnostics, all of which could trim 3–4% from forecast EBIT. Strategic investors should prioritize partners with vertically integrated manufacturing and regulatory-ready bioinformatics pipelines to secure durable share.