Why is market pumping?
Well, it's pricing in the sudden realization that a [Democrat sweep is very likely](https://kalshi.com/markets/kxbalancepowercombo/congress-balance-of-power-combo/kxbalancepowercombo-27feb)
Market makers mostly make their money by being delta neutral and profiting the spread. Volatility is often a result of their rebalancing to maintain neutrality, but it’s not the main goal.