South Dakota Level-Funded vs Fully Insured
Savings Calculator
Compare level-funded and fully insured health plan costs for your South Dakota business. See potential savings, surplus refunds, and worst-case scenarios -- powered by South Dakota-specific carrier data and actuarial benchmarks.
South Dakota Level-Funded Market at a Glance
Frequently Asked Questions: Level-Funded Plans in South Dakota
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Calculation Methodology
Fully Insured Cost: Current PEPM x number of employees x 12 months. Projected forward using the annual renewal increase rate.
Level-Funded Breakdown:
- Claims Fund: PEPM x claims ratio x state cost index (0.88 for South Dakota) x age factor x industry adjustment x plan tier multiplier. This is held in a claims account to pay medical expenses.
- Admin Fee: PEPM x admin percentage. Covers TPA fees, network access, compliance, and reporting.
- Stop-Loss Premium: Based on attachment point selected. Adjusted by South Dakota's stop-loss factor (0.92) and group demographics.
- Total Level-Funded: Claims Fund + Admin Fee + Stop-Loss Premium.
Scenario Modeling:
- Best Case: Actual claims at 55% of expected. Employer receives ~50% of surplus (unused claims fund) as a refund.
- Expected Case: Actual claims match the expected claims fund. Typical savings vs fully insured.
- Worst Case: Claims run 130% of expected, but stop-loss caps total exposure at 125% of expected claims fund.
State Cost Index: South Dakota's index of 0.88 adjusts base claims for state-level provider costs, utilization patterns, and regulatory environment. Based on CMS Geographic Practice Cost Index and South Dakota DOI rate filings.
Data Sources: SOA Group Health Experience Study, Mercer National Survey 2025, KFF 2025 Employer Health Benefits Survey, TrustMark/Voya level-funded reference data, Sun Life stop-loss rate manuals, NAIC stop-loss model regulations, CMS Federal Age Rating Curves, South Dakota Department of Insurance filings.
Level-Funded Health Insurance in South Dakota: What Employers Need to Know
South Dakota's health insurance market is characterized by strong regional carriers and limited but growing national carrier participation. The state's cost index of 0.88 reflects below-average costs, and minimal state-specific mandates keep plan costs streamlined. Avera Health Plans, Sanford Health Plan, and Wellmark Blue Cross Blue Shield dominate the fully insured market, while national carriers provide the level-funded alternatives.
UnitedHealthcare and Cigna are the primary level-funded carriers in South Dakota, typically requiring a minimum of 5 eligible employees. The Sioux Falls metro area has the most competitive carrier environment, while more rural areas have fewer options. South Dakota's economy is driven by agriculture, financial services, healthcare, and tourism, with many employers in the 5-100 employee range that are suited for level-funded arrangements.
South Dakota has minimal state-specific benefit mandates beyond ACA requirements, which keeps both fully insured and level-funded plans competitive. The state's Department of Labor and Regulation oversees insurance and treats level-funded plans as self-funded under ERISA. Stop-loss pricing in South Dakota is competitive, running about 8% below national averages.