Winning favorable formulary access is only the first step in a successful payer strategy. The real challenge is determining whether a contract will generate profitable prescription growth—and proving that improved access translates into measurable pull-through. This guide explains how payer contract analytics enables market access, finance, and commercial teams to model the financial impact of formulary agreements before they're signed and continuously measure performance after launch. Learn how leading organizations combine formulary intelligence, claims, hub services, specialty pharmacy data, and field execution metrics to evaluate rebate effectiveness, forecast contract ROI, monitor payer performance, and identify opportunities to improve pull-through.