Confused by Options? Start Here

The calendar has forced the issue. CMS typically publishes Medicare Advantage Star Ratings in October, days before Medicare’s annual enrollment period opens on October 15. Last year the 2026 Star Ratings were published on October 9, 2025. Based on that precedent, the 2027 ratings are due this month, and the outcome is not known. That asymmetry, a fixed window against an unknown result, is exactly the kind of structure that creates definable risk for options traders.

The money attached to this release is not incidental. KFF estimates that Medicare Advantage Quality Bonus Program payments reached at least $13.4 billion in 2026, more than four times what they were in 2015. In that same KFF analysis, UnitedHealth Group is shown receiving the largest increase in payments, about $3.9 billion relative to what payments would have been otherwise. The 4-star threshold is not a quality benchmark. It is a revenue switch.

The Grading Sheet Got Harder

About half of the cut points that determine Medicare Advantage Star Ratings became harder to reach for 2027, based on the draft figures CMS released through its plan preview process. Roughly a third were unchanged, and about 17% became easier, based on analysis attributed to Newton Smith Group. Kidney Health Evaluation for Patients with Diabetes rose by 7 to 10 points depending on the Star threshold, while Colorectal Cancer Screening tightened by 4 to 11 points.

The shift is not uniformly punishing, but the tilt is clear. KFF estimates federal quality bonus spending reached $13.4 billion in 2026, up from $12.7 billion the year before, while the count of contracts at 4 stars or higher dropped from 261 to 209. A larger pool divided among fewer qualifying contracts. The bonus is worth more precisely because it is harder to collect.

Who Carries the Most Exposure

Going into this release, the carrier positions diverge sharply. UnitedHealthcare had 78% of MA members in 4-plus star plans for 2026, while Humana had roughly 20%. In a note cited by the article, Leerink Partners analyst Whit Mayo argued UnitedHealthcare looks the most challenged by the harder cut points: if performance has not improved, UNH would see raw scores drop across 9 of its 10 largest contracts, with its largest contract potentially slipping from 4.5 to 4 stars.

For Humana, the dynamic is different. In its October 2025 Star Ratings update, Humana said it continued to anticipate a return to top-quartile results for the 2027 MA Star Ratings after incorporating the 2026 Star Rating thresholds into its forecasting process. In its Q2 2026 filing, Humana also pointed to a BY2028 performance update showing a rate of improvement that outpaced the prior four-year historical compound annual growth rate across 11 of 12 selected HEDIS and patient safety measures. Humana has also described a contract diversification strategy, including shifting member enrollment and plan attribution across contracts to move members into more highly rated contracts and capture the higher revenue that entails. The strategy is sound. Whether the execution clears the higher bar is what the release will answer.

Options Market: Two Very Different Readings

HUM and UNH are not priced the same way heading into this event. HUM implied volatility is currently near 66%, with an IV rank at 97%, placing current premiums at the top of their 52-week range. The market is pricing significant uncertainty for Humana. UNH, by contrast, is described here as carrying materially lower implied volatility and low IV rank and IV percentile versus its past year, even as UNH carries meaningful star-rating risk per the Leerink analysis.

The divergence suggests the market has concentrated its fear in HUM and left UNH’s options relatively cheap versus its own recent history. That gap is worth noting before the ratings land.

Structured Trade Framework

Bull case (HUM): If Humana delivers on its top-quartile expectation, a confirmed improvement in the percentage of members in 4-plus star plans would be a near-term catalyst. For traders expecting a recovery, a defined-risk long call spread dated past the release captures directional upside while containing exposure to still-elevated premiums.

Bear case (UNH): If the harder cut points pressure UNH’s largest contract from 4.5 to 4 stars as modeled, the revenue consequence is material. Given the lower implied volatility regime described above, a defined-risk long put spread costs relatively little and targets a move the market may not be fully pricing in. This is not about the sector. It is specifically about whether UNH’s HEDIS improvement offsets the raised bar.

Neutral case (CVS/ELV): CVS Health’s Aetna had more than 81% of its MA members in 4-plus star plans and over 63% in 4.5-star plans for 2026, entering this release from a position of relative strength. For traders who expect the sector to absorb the release without a sharp directional move in CVS or ELV, iron condors or short strangles on those names capture elevated sector-wide premium without requiring a directional call on the binary event.

Risk Factors

The cut points published in the preview are not guaranteed to match the final release. Plans can flag potential errors to CMS during the preview and appeal windows, though measure-level cut points often do not move meaningfully between preview and final publication. Execution risk on Humana’s contract diversification strategy is real: the maneuver shifts members on paper, but CMS determines which attributions count. Any surprise in either direction should be treated as a gap risk, not a gradual move.

Forward Outlook

The 2027 Star Ratings, published in October 2026, feed into the Quality Bonus Payment ratings for payment year 2028. That lag means this month’s release is not just a near-term options event. It is the first hard data point in a revenue story that will play out across the next two years of earnings calls. Carriers that emerge with a higher proportion of members in 4-plus star plans gain pricing flexibility on supplemental benefits. Those that slip lose it.

Action Checklist

• Confirm the 2027 Star Ratings publication date the moment CMS posts (historically in October, ahead of the October 15 enrollment start).
• Track the percentage of HUM members in 4-plus star plans versus the company’s stated top-quartile expectation.
• Watch whether UNH’s largest contract holds at 4.5 stars or slips to 4. A slip carries the largest single-insurer revenue consequence in the sector.
• For defined-risk structures, calibrate expiration to run at least one week past the release date to capture any delayed price discovery.
• Monitor CVS and ELV for secondary moves; their relative strength from 2026 ratings makes them natural hedges if the sector sells off broadly.