So it can be expensive if your employer was paying a lot for it.
Edited to add source: https://www.swissinfo.ch/eng/society/new-method_health-insur...
[1] https://www.bankrate.com/finance/insurance/cobra-health-insu...
A COBRA plan is just continuation of the same plan, at the same cost (except that the ex-employee now covers whatever part was paid by the employer), as you had when employed.
> Some folks are better off on the private markets, especially exchanges.
Rarely for an equivalent quality plan if they were in a large group plan, which are usually better than individual plans, even exchange plans, on a cost/benefit basis. Excluding, of course, consideration of exchange subsidies if the ex-employee would qualify based on their reduced income.
So you basically get 90 days "free" COBRA, but your deductible is 1, 2 or 3 months premiums.