The "Dow Jones U.S. Gambling Index" and 2024 Olympics Games stocks ^^

You all know that the 2024 Olympic Games are just around the corner (July 26) and there are probably opportunities to be made in sport gambling company: $Gambling (LIST2094.US)$ and sport clothing companies: $Apparel Retail (LIST2494.US)$ - $Apparel Manufacturing (LIST2049.US)$.  But while looking at different stocks, I discovered the “Dow Jones U.S. Gambling Index” which I didn't know before.  I haven't found much on the subject;  I would like to know more about this index.  I drew in the chart who shows that it didn't really have any correlation with the last Olympic games.  If you know a little more about this index, the Dow Jones U.S. Gambling Index, it would be very appreciated and very educational ^^