Replies to post #342008 on SPDR S&P 500 (SPY)

[Vandalayind]

Who will always be net zero. 50% will win, 50% will lose....and they will switch 50% of the time.

Options premiums makes sure the dollars at stake is net zero.

They don't care about price. The amount of bets placed on one side, sets the premium for the other.