(FORBES) — Three months from today—October 1, 2013—is O-Day, the day that Obamacare’s subsidized health insurance exchanges are supposed to become fully operational.

And today brings more news of “rate shock,” the phemonenon by which Obamacare dramatically increases the underlying cost of health insurance for people who buy it on their own.

Louise Radnofsky of the Wall Street Journal looked at insurance rates in eight states, and found that while some sicker people will get a better deal, “healthy consumers could see insurance rates double or even triple when they look for individual coverage.”

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