SPX
Definition
The ticker symbol for the S&P 500 Index, a widely followed stock market benchmark that tracks the performance of 500 large-cap U.S. companies across various sectors.
In options trading, SPX refers to standardized options contracts on the S&P 500 Index, traded on the Cboe exchange, known for their European-style exercise.
Less commonly, an abbreviation for Sequenced Packet Exchange, an obsolete transport layer protocol in computer networking, or the IATA code for Sphinx International Airport in Egypt.
Examples
My broker called: the SPX just hit a record high, so I guess it's time to sell the yacht I haven't bought yet.
Watching the SPX plummet feels like dating a rollercoaster – thrilling until your stomach drops.
She bet her lunch money on SPX calls and ended up toasting with caviar instead of ramen.
When the SPX sneezes, the whole market catches a cold – and my 401(k) grabs the tissues.