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How risky is it to keep my emergency fund in stocks?
This is basically the short-term/long-term savings question in another form: savings that you hope are long-term but which may turn short-term very suddenly. You can never completely eliminate the risk of being forced to draw on long term savings during a period when the market is doing Something Unpleasant that would force you to take a loss (or right before it does Something Pleasant that you'd like to be fully invested during). You can only pick the degree of risk that you're willing to accept, balancing that hazard of forced sales against the lower-but-more-certain returns you'd get from a money market or equivalent. I'm considered a moderately aggressive investor -- which doesn't mean I'm pushing the boundaries on what I'm buying (not by a long shot!), but which does mean I'm willing to keep more of my money in the market and I'm more likely to hold or buy into a dip than to sell off to try to minimize losses. That level of risk-tolerance also means I'm willing to maintain a ready-cash pool which is sufficient to handle expected emergencies (order of $10K), and not become overly paranoid about lost opportunity value if it turns out that I need to pull a few thou out of the investments. I've got decent health insurance, which helps reduce that risk. I'm also not particularly paranoid about the money. On my current track, I should be able to maintain my current lifestyle "forever" without ever touching the principal, as long as inflation and returns remain vaguely reasonable. Having to hit the account for a larger emergency at an Inconvenient Time wouldn't be likely to hurt me too much -- delaying retirement for a year or two, perhaps. It's just money. Emergencies are one of the things it's for. I try not to be stupid about it, but I also try not to stress about it more than I must.