ÖKK in canton Basel-Stadt: twelve years of premiums
In canton Basel-Stadt, the lowest ÖKK premium went from CHF 520.70 a month in 2015 to CHF 610.80 in 2026 — a rise of +17.3 %. The table below places it next to the canton's cheapest insurer, year by year.
| Year | This insurer | The cheapest | Gap |
|---|---|---|---|
| 2015 | CHF 520.70 | CHF 370.80 | CHF 149.90 |
| 2016 | CHF 551.30 | CHF 402.00 | CHF 149.30 |
| 2017 | CHF 551.30 | CHF 433.30 | CHF 118.00 |
| 2018 | CHF 592.20 | CHF 454.10 | CHF 138.10 |
| 2019 | CHF 583.70 | CHF 470.20 | CHF 113.50 |
| 2020 | CHF 580.30 | CHF 486.60 | CHF 93.70 |
| 2021 | CHF 580.30 | CHF 486.30 | CHF 94.00 |
| 2022 | CHF 591.60 | CHF 481.40 | CHF 110.20 |
| 2023 | CHF 609.00 | CHF 501.60 | CHF 107.40 |
| 2024 | CHF 610.80 | CHF 544.70 | CHF 66.10 |
| 2025 | CHF 610.80 | CHF 557.50 | CHF 53.30 |
| 2026 | CHF 610.80 | CHF 575.90 | CHF 34.90 |
Faster or slower than the rest?
ÖKK rose +17.3 % over the period, against +55.3 % for the cheapest insurer in the same place. The gap narrowed — which does not mean this insurer is the cheapest today, only that it climbed more slowly.
The year that hurt — The steepest year-on-year jump was 2018: +7.4 % in one go. The premium did not move in 2017, 2021, 2025, 2026.
Figures for an adult, CHF 300 deductible, accident cover included — the only profile defined identically across all twelve years. Each year this is the lowest premium the insurer offered, all models combined.
ÖKK, canton by canton
Other insurers
Source: Federal Office of Public Health (FOPH), premium files from 2015 to today.