Obamacare's health-insurance exchanges have finally opened, and millions of people across the nation are finally getting to enroll for health insurance under the Patient Protection and Affordable Care Act. But many are confused by all the plan options they have available to them.

In the following video, host Alison Southwick interviews Dan Caplinger, The Motley Fool's director of investment planning, to learn more about Obamacare's plan options. Dan explains that the various tiers refer to different levels of coverage, with platinum policies generally charging the highest monthly premiums but also providing the lowest copayments, deductibles, and other out-of-pocket costs. By contrast, as you run through gold, silver, and bronze, you're progressively more responsible for covering health-care costs, but your monthly insurance premiums are lower.

Dan runs through the actuarial calculations behind the levels and points out that some subsidies under Obamacare require particular policy choices. In the end, though, the right plan for you depends on your own health, financial situation, and other personal considerations.

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