CBOE extends pre-market SPX trading

Effective last week (I didn’t notice until this morning), SPX has only a 5-minute pause between pre-market and trading and the open. So you can trade pre-market until 9:25am ET.

Click to access Cboe-Options-Extends-GTH-Trading-Hours-Updates-System-Cutoff-Time-During-Volatility-Settlements.pdf