The S&P 500 is grouped into 11 sectors, all of which have different weights. In order of weight, the sectors are:
Technology
Financials
Consumer Discretionary
Communications
Healthcare
Industrials
Consumer Staples
Energy
Utilities
Real Estate
Materials
The weightings change daily but are updated by shadowtrader once per month, always on the last day of the month and are available at S&P Global


