It's crazy how much you can elevate your trading once you understand MM/Dealer mechanics when you are trading 0DTE on $SPX and $SPY. Here is how I trade it, and how you can as well... Now I only trade SPX, but these mechanics work for $QQQ and other tickers as well. Most traders look at an $SPX / $SPY 0DTE chart and see candles.

The pros see walls.

Once you understand how market makers are forced to hedge, the same chart starts showing you where price wants to go — and where it gets rejected.

Here's the mechanic nobody explains 👇