The short version
8 companies supply this market — a reasonable cushion if one runs into trouble. The generic price is down 12% over the past year, to $42.68 per mL. The brand runs $385.23 per mL — 9× more. Historically, drugs in this position went on to a new shortage within 90 days about 0.5% of the time — roughly 3× the typical drug (0.1%).