COBRA vs ACA at $150K MAGI: When Spousal Plan Beats Both

You earned $90,000 in W-2 wages before your March layoff, received a $40,000 severance, your spouse earns $20,000, and projected unemployment benefits add $14,000 across five months. Total projected 2026 MAGI: $164,000. Round it to $150K for planning purposes. With two kids, you are $25,000+ above the 400% FPL cliff for a family of four. PTC is zero. You have three options: COBRA at $2,040/month, unsubsidized Marketplace at $1,950–$2,200/month, or your spouse's employer plan at $600–$900/month. The spouse plan almost always wins on price — but the HIPAA 30-day enrollment window controls.

The quick answer: At $150K MAGI (above the $124,800 400% FPL cliff for a family of four), PTC is zero. Unsubsidized Marketplace runs $1,950–$2,200/month, COBRA runs $2,040/month. A spousal employer plan at $600–$900/month usually wins by $1,000+/month.

Why $150K MAGI puts you above the cliff

For 2026, the Federal Poverty Level for a family of four is approximately $31,200. The 400% FPL threshold is $124,800. Above that, the Premium Tax Credit under IRC §36B drops to zero — and unlike the 100%–400% band, there is no cap on repayment if you claimed advance PTC and later cross the cliff.

Family of four FPL math:

• 100% FPL: $31,200
• 250% FPL: $78,000 (CSR ceiling)
• 400% FPL: $124,800 (the cliff)
• $150K MAGI: ~481% FPL — well above the cliff

At 481% FPL, every dollar of Marketplace premium is yours. The 8.5% income cap that applies in the 300%–400% band does not apply above the cliff. A benchmark Silver Marketplace plan that costs $1,950/month unsubsidized stays at $1,950/month.

The three-way price comparison

At $150K MAGI for a family of four, here is the typical 2026 monthly cost across options:

The spouse plan saves $1,140–$1,440/month versus COBRA — that is $10,000–$13,000 over nine months. Even on the high end of spouse-plan pricing, it is the right call unless network continuity or active treatment overrides.

The HIPAA 30-day window: the constraint that kills people who hesitate

Loss of employer coverage is a HIPAA special enrollment event under ERISA §701(f) and 29 CFR §2590.701-6. Your spouse's employer plan is required to let you enroll within 30 days of your coverage loss. Some plans extend to 60 days; the federal minimum is 30.

What kills people: they elect COBRA first because it is the path of least resistance — the HR packet arrives, the form is in front of them, they sign it. Then weeks later they realize the spouse's plan is cheaper. They try to enroll in the spouse's plan and discover the 30-day HIPAA SEP has expired. Now they wait until the spouse's open enrollment — which could be 6–11 months away — and pay COBRA premiums the whole time.

The defense: in the first week after the layoff, send a single email to the spouse's HR. "I need to enroll in your group plan effective [date]. Please send the enrollment packet and confirm the deadline in writing." This locks in the timing and forces the comparison to happen before the COBRA paperwork lands.

The family-glitch fix and what it changed

Before 2022, the IRS interpreted IRC §36B's affordability test for employer coverage based solely on the employee-only contribution. If a spouse's employer offered employee-only coverage for $200/month on $150K household income (1.6% of income), employer coverage was "affordable" — meaning the family was ineligible for any Marketplace PTC, even if family coverage on that plan cost $1,800/month (14% of income). This was the "family glitch."

Treasury Decision 9968 (2022 final regs) fixed it. Now the affordability test is bifurcated:

• Employee-only test: If employee-only coverage is under ~9.02% of household income (2026), the employee is ineligible for PTC.
• Family-tier test: If family coverage is over ~9.02% of household income, the rest of the family is PTC-eligible regardless of the employee-only number.

At $150K MAGI, the family-affordability threshold is $13,530/year or $1,128/month. A spousal family plan at $600/month is comfortably affordable — but at $150K MAGI you are above the cliff anyway, so PTC eligibility is moot. The fix is more important at lower incomes (e.g., $80K MAGI with $1,400/month family coverage on the spouse's plan), where PTC for the kids could be in play.

When COBRA wins despite being more expensive

Three scenarios at $150K MAGI where COBRA still beats the spouse plan:

• Mid-treatment with an in-network specialist not on the spouse plan. If you are halfway through a cancer protocol with an oncologist at MD Anderson and the spouse plan is a regional HMO with no MD Anderson access, the disruption cost can exceed the $13K premium savings. Verify network membership for every active provider before deciding.
• Met the COBRA deductible. If you have already paid $5,000 toward your COBRA family deductible in Q1, switching to the spouse plan resets it to $0 — meaning you may pay another $5,000 before insurance kicks in for the rest of the year. For a family with chronic conditions and predictable spend, this can be material.
• HSA contribution preservation. If your COBRA plan is an HDHP and the spouse plan is a PPO, switching mid-year complicates HSA contributions under IRC §223. You can only contribute to an HSA in months you are HDHP-only enrolled. A mid-year switch from HDHP to PPO truncates the HSA contribution year. For high-income households making max HSA contributions ($8,750 family in 2026), this can be worth $2,000+ in tax deferral.

The spouse-plan affordability deep dive: is $900/month really $900?

The spouse plan price tag — say $900/month for family coverage — is the headline number. To compare apples to apples with COBRA, factor in:

• Pre-tax payment vs after-tax. Spouse plan premiums are typically paid pre-tax through Section 125 cafeteria plans, saving 22%–32% federal plus FICA (7.65%). A $900/month pre-tax premium has an effective after-tax cost of roughly $630/month at the 22% bracket plus FICA savings.
• FSA / HSA options. The spouse's plan may pair with a Section 125 health FSA ($3,300 limit in 2026) or HSA ($8,750 family limit for HDHP) — additional tax shelters not available on COBRA.
• Employer contribution to HSA. Many employers contribute $1,000–$2,000/year to employee HSAs. If the spouse's HDHP comes with a $1,500 employer HSA contribution, that is direct value not reflected in the premium comparison.
• Network breadth. Large employer PPOs typically have broader networks than COBRA's existing plan (depending on your former employer's plan). Verify pediatrician, OB-GYN, and any specialists are in-network.

All-in after-tax cost of a $900 spousal plan with $1,500 employer HSA contribution: roughly $5,560/year ($7,560 pre-tax premium × 73.5% after tax-savings, less $1,500 HSA). Versus COBRA at $24,480/year (no pre-tax treatment after termination). Net savings vs COBRA: ~$19,000/year.

Worked example: Austin product manager, family of four, $150K MAGI

Austin-based product manager laid off in March 2026. Household:

• PM W-2 wages (Jan–Mar): $87,500
• Severance lump sum (April): $35,000
• Spouse W-2 wages (full-year): $20,000 (and offered employer health plan)
• Unemployment benefits (5 months): $12,000
• Projected 2026 MAGI: $154,500 (~495% FPL)

Above the 400% FPL cliff: yes. PTC: zero.

Spouse plan details: $900/month family coverage, $3,000 deductible, broad PPO network including the family's current pediatrician and the PM's existing dermatologist. Section 125 pre-tax treatment available.

Decision sequence:

1. Day 1 after layoff: PM emails spouse's HR asking for enrollment packet and deadline confirmation.
2. Day 5: HR confirms 30-day HIPAA SEP, deadline April 10. Sends enrollment paperwork.
3. Day 10: PM verifies pediatrician + dermatologist are in spouse-plan network. Both confirmed.
4. Day 15: PM elects spouse plan effective April 1. Declines COBRA.
5. Day 30: COBRA election window passes — no harm done, since spouse plan is locked in.

Cost comparison over 9 months (Apr–Dec):

• COBRA: $2,040 × 9 = $18,360 after tax
• Spouse plan: $900 × 9 = $8,100 pre-tax, effectively ~$5,950 after-tax savings × 22% bracket plus FICA
• Savings: ~$12,400 over 9 months

When neither COBRA nor the spouse plan is available

At $150K MAGI with no spouse plan, the choice is COBRA versus unsubsidized Marketplace. With prices within $200/month of each other, the deciding factors are:

• Network continuity. COBRA wins.
• Deductible carryover. COBRA wins if you have already accrued meaningful deductible.
• Plan flexibility. Marketplace lets you change plans annually at Open Enrollment; COBRA locks the employer plan for 18 months.
• Geographic move. If you might move states during the year, Marketplace is portable; COBRA may not cover out-of-area providers depending on plan structure.

For most $150K-MAGI households without a spouse-plan option, COBRA is the default — the small premium delta is outweighed by the operational simplicity of preserving the existing plan.

The clawback risk is gone at $150K — but watch for income drops

At $150K projected MAGI, you are firmly above the cliff. There is no PTC to claim, so there is no clawback risk on the upside. But the reverse can happen: if you take COBRA expecting $150K MAGI and your income drops below $124,800 (e.g., no new job materializes by Q3, severance was smaller than expected, spouse loses hours), you become PTC-eligible mid-year.

You can drop COBRA and switch to Marketplace at any time — voluntarily dropping COBRA triggers a SEP — and claim the PTC for the remaining months. Quarterly MAGI review is the discipline that catches this.

Key takeaways

• At $150K MAGI for a family of four (~481% FPL), you are above the 400% FPL cliff of $124,800. PTC is zero. Marketplace is full unsubsidized price.
• COBRA at ~$2,040/month and unsubsidized Marketplace at $1,950–$2,200/month are within $200 of each other. The deciding option is the spouse's employer plan, typically $600–$900/month.
• The HIPAA 30-day SEP under ERISA §701(f) is the binding constraint. Elect the spouse plan within 30 days of your coverage loss or wait until their next open enrollment.
• The family-glitch fix (TD 9968, 2022) bifurcated the affordability test — family coverage above 9.02% of household income makes the family PTC-eligible, but at $150K MAGI you are above the cliff regardless.
• COBRA can still win on network continuity, deductible carryover, or HSA preservation. Run the all-in cost — not just premium — before deciding.
• Spouse plan premiums are typically pre-tax under Section 125, adding 22%–32% federal plus 7.65% FICA in effective savings versus after-tax COBRA premiums.