Condor Options

Mean Reversion after Expiration

Traders tend to pay a lot of attention to expiration week, and for good reason. There are also some post-expiration phenomena worth noticing: in particular, unsophisticated options sellers often allow their front-month contracts to expire before selling the next series. There’s an apocryphal story about a big SPX condor seller who always used to wait until the Monday morning after expiration to route his single monster trade for the month. But we’ll leave discussion of the disadvantages of that…