Can we please stop calling them "prediction markets". This only legitimizes what they really are, "gambling exchanges".
replies(5):
Because insurance is quite literally a prediction market.
Not trying to be snarky, I know certain religions actually do consider insurance to be gambling.
An insurance company sells options contracts. We call it healthcare. It is , aside from a few small differences, the same as a put or a call.
An insurance company's day-to-day operation is indistinguishable from a derivatives hedge desk. Insurance companies absolutely take massive bets. These are managed by re-insurers.