Weekly options for the masses–SPY, QQQQ, IWM, DIA and others
Anyone that trades options knows that the pace quickens the last few days before expiration. The delta (the change in option price relative to the underlying) for the ATM option is still around .5, but instead of gradual changes for the deltas on the strikes in / out of the money, the curve starts resembling a step function, going from zero for out-of-the-money, to …