Where SPY Stops This Week
Hey trader, I start with the October 2 expiration, since that’s Friday. Then I look for the strikes with the most contracts sitting on them. On the upside, 14,000 contracts sit at 772. That’s my ceiling for the week. The 775 strike gets bigger as I go further out in time. I could push the ceiling up to 775 and give the range 10 points of upside. I’m sticking with 772 for now. Given where SPY stands at 765, it’s the level I trust. It also carries more open interest for Friday than 775 does. Underneath, the biggest level for the week sits at 750. That’s another 15 points below 765, or basically 2%. There’s a stop along the way at 761. That wall carries about $1.3 billion in gamma right now. Gamma, in this case, is essentially a measure of how much stock dealers may need to buy or