Health care experts have been warning about this problem for months.
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The cost of the health-care plans used to calculcate Obamacare subsidies on the exchanges in 15 cities across the country is falling by an average of 0.8 percent, according to a Kaiser Family Foundation study released Friday.

The slight decreases are a double-edged sword for those actually purchasing health insurance on those 16 exchanges. The amount of premium tax credit subsidies the federal government doles out is pegged to the second-lowest cost silver plan available in that exchange. Between the three levels of health coverage — bronze, the least inclusive; silver; and gold, the cushiest plan — silver was by far the most popular during the first open enrollment period.