Application-level market taxonomy stratifies demand into rare monogenic diseases, oncology, infectious diseases, and broader metabolic or cardiovascular indications, collectively forecasting a 2023–2029 CAGR exceeding 18 %. Rare monogenic disorders—spinal muscular atrophy, ATTR polyneuropathy, and familial chylomicronemia—constitute the commercial anchor, benefiting from orphan-drug pricing and accelerated regulatory pathways that compress development timelines and inflate per-patient value. Oncology applications, while still nascent, leverage antisense and siRNA platforms to target undruggable oncofusion transcripts and immune-checkpoint regulators, translating into high-trial density but modest current sales. Infectious-disease uses surged post-COVID-19, yet sustainability hinges on multi-valent mRNA vaccines for CMV, RSV, and influenza, shifting revenue predictability toward tender contracts. Metabolic/cardiovascular pursuits (e.g., Lp(a) or PCSK9 knockdown) represent the scalability frontier: large patient volumes counterbalanced by pricing scrutiny, demanding health-economic evidence to secure reimbursable status, thereby shaping long-term access dynamics for the entire oligonucleotide therapeutic class.