SPX
The S&P 500 Index — the most popular underlying for 0DTE options trading.
Full Definition
SPX options are cash-settled, European-style, and have special tax treatment (60/40 rule). They are the primary instrument for 0DTE trading.
The S&P 500 Index — the most popular underlying for 0DTE options trading.
SPX options are cash-settled, European-style, and have special tax treatment (60/40 rule). They are the primary instrument for 0DTE trading.