Why now
The 2028 payment year, the 2027 OEP book, and the first six-month Medicaid cycle are all decided in the next two quarters.
H2 2026 is the compression point. Across Medicare Advantage, Medicaid, ACA marketplace, fully-insured commercial, and self-insured employer books, five converging forces settle inside the next 18 months. The plans that treat this window as an infrastructure decision keep the margin. The rest spend the balance of the decade buying it back.
What a mid-sized plan is playing for.
Bonus and rebate value from a half-Star move on a 250K-life MA book, decided by MY2026 data
Until OBBBA six-month Medicaid redeterminations start on December 31, 2026
ACA marketplace lives shopping the 2027 OEP with a QRS Star next to every plan, no enhanced APTC
2026 group medical trend that consultants are pricing 2028 renewals on top of
Ranges are directional. Actual value depends on contract, geography, benchmark, and measure mix. Sources cited in each force below.
The 2027 Star Ratings drop in October. The 2028 payment year is already written.
A half-Star move is worth roughly $400 to $500 PMPY in bonus and rebate value on a benchmark MA contract. On a 250,000-life book that is $100M+ a year at stake.
Tukey outliers, tightened cut points, and the Health Equity Index reward factor have already re-priced what a 4-Star contract looks like. The 2027 Star Ratings publish in October 2026 on measurement year 2025 data: that number is locked. What is still in play is measurement year 2026, which posts as 2028 Stars and drives the 2029 bonus. Half of that measurement year is gone. If your engagement stack cannot move CAHPS, medication adherence, and controlling-condition measures in the back half of a plan year, the 2029 bonus is decided by default.
Plans that finish MY2026 with a working operating model protect the 2029 bonus. Plans that wait for the 2027 Stars release to react are already a payment year behind.
Sources: CMS 2026 Star Ratings Fact Sheet; CMS CY2026 MA and Part D Final Rule; CMS Star Ratings Technical Notes.
Self-insured employers and their consultants are underwriting engagement, not buying wellness decks.
Group medical trend ran 8%+ through 2026 and consultants are pricing 2027 renewals on top of it. On a 50,000-life ASO book that is $40M+ in incremental spend the CFO expects the carrier to defend, cohort by cohort.
Mercer, WTW, Aon, and the Business Group on Health are all reporting the same story into 2027: employers will not renew a carrier, ASO, or point solution that cannot show member-level behavior change, GLP-1 utilization management, mental health parity compliance under MHPAEA, and measurable engagement lift by cohort. HIPAA wellness rules (5 CFR §2590.702) and the Departments' 2025 MHPAEA final rule set the compliance floor. Renewal RFPs going out now for January 2028 effective dates ask for the ledger, not the deck: who was reached, on what, and what moved.
The 2028 group renewal season is being underwritten this quarter on 2026 engagement data. Plans without proof lose the book to plans that have it.
Sources: PwC Health Research Institute Behind the Numbers 2027; Mercer National Survey of Employer-Sponsored Health Plans 2026; Business Group on Health 2027 Employer Health Care Strategy Survey; MHPAEA Final Rule (89 FR 77586).
The six-month redetermination clock starts in less than 180 days.
Replacing a lost Medicaid life through auto-assignment and re-engagement runs $200 to $600 in acquisition and onboarding cost, before the HEDIS and CAHPS drag hits the next renewal.
OBBBA (P.L. 119-21) forces six-month redeterminations on the expansion population beginning December 31, 2026. State readiness reviews are underway now, MCO contracts are being amended for the second half of 2026, and the first full six-month cycle runs through H1 2027. Urban Institute (March 2026) projects a 2.0 to 3.1 million expansion enrollment loss by 2028, driven almost entirely by procedural disenrollments. That is not a policy story: it is two renewal cycles a year, on the largest single line in most state books, running concurrently with quality withhold measurement.
Plans that stand up a continuous renewal outreach program before the December 2026 cutover hold the margin through the first cycle. Plans that wait until Q1 2027 lose the state scorecard and the bonus withhold on the same measurement.
Sources: OBBBA (P.L. 119-21); Urban Institute (March 2026); KFF; CMS Medicaid & CHIP Eligibility Operations Snapshot 2026.
In the individual market, quality is a shopper-visible price tag.
24M ACA marketplace lives are shopping with a QRS Star rating next to every plan on healthcare.gov. The enhanced APTC subsidies expired at the end of 2025, so 2027 shoppers see higher net premiums against the same Star display. The switching cost has never been lower and the price of a bad Star has never been higher.
HEDIS and CAHPS results have moved from a quiet NCQA scorecard to the front of the shelf on the exchange. Carriers preparing for the November 2026 open enrollment are watching a QRS Star swing move share of new applications by low double digits inside the same rating area, and are already pricing MY2026 QRS results into 2028 filings. The plans winning net-adds are the ones proving behavior change with the same operating discipline they use in MA, not running a marketing campaign against a Star they cannot control.
The 2027 OEP book is being priced right now on H1 2026 QRS data. Waiting a cycle means giving up individual market share to a competitor that did not.
Sources: CMS 2026 Marketplace Open Enrollment Report; CMS Quality Rating System 2026; KFF Marketplace Enrollment and Subsidies analysis 2026.
Rewards moved from a compliance risk to a CFO-funded line item across every book.
CMS drew the clean line for MA and Medicaid in the CY2025 and CY2026 Final Rules. HIPAA/ACA wellness rules (5 CFR §2590.702) and the 2024 MHPAEA final rule drew it for commercial and employer plans. Legal is no longer the blocker. Infrastructure is.
For the first time, a plan can size a rewards budget across MA, Medicaid, ACA, fully-insured group, and self-insured ASO, defend each one in audit under the applicable rule, and tie every dollar to a measure lift without an outside counsel memo per campaign. That changes who owns the program and how big it gets. The plans moving fastest into 2027 have one ledger, one audit trail, and one attribution model across every line.
The clarity favors whoever is spending inside the lines this program year. A build cycle that starts in Q4 2026 does not produce a defensible ledger before the 2028 bid and RFP season.
Sources: CMS CY2026 MA and Part D Final Rule; 26 CFR §54.9802-1 / 29 CFR §2590.702 / 45 CFR §146.121 (HIPAA wellness); MHPAEA Final Rule (89 FR 77586).
Move this half, or spend the rest of the decade buying it back.
- • MY2026 finished on a working operating model, 2028 Stars bonus protected
- • Six-month Medicaid renewals live before the December 31, 2026 cutover
- • 2027 OEP and 2028 group renewals underwritten on proven behavior change
- • Rewards spend defended in audit with a live ledger and attribution
- • Half-Star slippage on the 2028 payment year, buy-back takes three
- • First six-month Medicaid cycle run manually, procedural losses compound
- • 2028 group and 2027 OEP books repriced without engagement proof
- • Rewards budget stalled behind a legal review cycle competitors already passed
This is an infrastructure decision, not a vendor decision.
None of these forces are solved by a bigger campaign budget or another point solution. They are solved by infrastructure that can see the measure, the member, the touch, and the dollar in the same query, and act on it inside a quarter. That is the platform we build, and the platform we sell.