ACA & Early Retirement Healthcare Guide (2026)

The OBBBA-era ACA marketplace is back to a hard 400% FPL subsidy cliff. For early retirees, that's the single most expensive trip-wire in the planning landscape — one extra dollar of MAGI can cost $15-25K of premium tax credits.

This guide groups everything we've published on subsidy sizing, COBRA tradeoffs, MAGI management, and the bridge years from early retirement to Medicare at 65.

27 articles · last reviewed 2026-05-17 · part of the QuantCalc research library

The 400% FPL cliff (restored 2026)

MAGI sizing & conversion interactions

Bridge to Medicare

Plan choice and HSA strategy

Healthcare cost projection

Policy context