Will the S&P 500 (SPX) close Up or Down on December 18, 2025?

Predict whether the S&P 500 Index (SPX) will close up or down on December 18, 2025.

Up -if the official SPX closing price on December 18, 2025, is higher than the previous trading day’s close.

Down - if the official SPX closing price on December 18, 2025, is lower than the previous trading day’s close.

The correct outcome will be determined and proposed for validation based on the official S&P 500 closing price published by The Wall Street Journal (WSJ) under Historical Prices.

If the closing prices of both days are exactly equal or SPX does not trade during the regular session, both options (“Up” and “Down”) will be proposed as correct outcomes for validation.lg...Read more...