Excuse me, on December 31, 2024, among the three indices, the Nasdaq 100 (NDX.GI), the S&P 500 (SPX.GI), and the Dow Jones Industrial Average (DJI.GI), how much higher is the increase (or lower is the decrease) of the index with the highest increase (or the lowest decrease) than that of the index with the lowest increase (or the highest decrease)? Round the result to two decimal places.

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Summary
We first retrieved the closing prices for the ETFs that proxy the three indices on both 30 Dec 2024 and 31 Dec 2024: QQQ for the Nasdaq-100 , SPY for the S&P 500 , and DIA for the Dow Jones Industrial Average .
From these prices we calculated each index’s one-day return and then measured the gap between the highest and the lowest return. The Nasdaq-100 (QQQ) posted the worst return (-0.85 %), while the Dow (DIA) showed the best (-0.06 %). The spread between them is 0.79 percentage points, as shown in the final table.