IndexETFPropertiesWeightingDB
symchgnumchangevol 
 ADR 60   n/a   Complete, Manual   adr size   60   -1.2%   96.8%   list 
 BDC List   n/a   Complete   market cap   45   -1.2%   198.2%   list 
 Div Aristocrats   n/a   Complete   market cap   66   0.3%   97.9%   list 
 Dow Jones    DIA    -0.2%      equal   30   -0.1%   89.8%   list 
 REIT List   n/a   Complete   market cap   200   -0.3%   97.3%   list 
 S&P 100    OEF    -0.3%      market cap   100   -0.4%   88.0%   list 
 S&P 100 SPE   n/a      mktcap/sectpe   100   -0.3%   87.5%   list 
 S&P 400    MDY    -1.1%   Complete   market cap   400   -1.1%   99.1%   list 
 S&P 400 SPE   n/a      mktcap/sectpe   400   -1.0%   101.6%   list 
 S&P 500    SPY    -0.4%   Complete   market cap   502   -0.4%   88.5%   list 
 S&P 500 SPE   n/a      mktcap/sectpe   502   -0.3%   88.0%   list 
 S&P 600   n/a      market cap   100   -0.8%   109.4%   list 
 S&P 600 SPE   n/a      mktcap/sectpe   100   -0.6%   111.7%   list 
 Yggdrasil   n/a   Internal   mktcap/sectpe   1198   -0.4%   88.6%   list 

Properties:

Complete We attempt to collect all of the members of this index. We may not be able to actually do so, because the published list we scrape is out of date, or other problems with some components. For indexes which are not complete, we just flag securities as belonging to the index if we happen to be collecting them for some other reason. For complete indexes we also assure that the members are not removed from the DB, even if they are not referenced for any other reason. Some are not flagged complete because they are subsets of the SP500, and don't need to be checked.
Manual Membership in this index is manually updated, rather than being updated automatically. For published indexes, this usually indicates lack of a feed suitable for updating it.
Internal Membership in this index is contstructed from the database rather than any external source.

Some "Indexes" don't have ETFs. Most of these are really just lists maintained in the DB for some reason. They are updated from some source other than an actual published stock index.

The price change/vol info under "DB" is based on a weighted aggregate of the index members in the DB, and may differ from the Index ETF, particularly if the index is not complete. If unprovided, the index is unweighted or uses an unknown weighting scheme.

"SPE" ... The Yggdrasil index is a composite of all the common stocks in this db, weighted by market cap divided by sector pe, attempting to weight them by importance within their sector rather than globally. The "SPE" indexes are weighted this way rather than by market cap for comparison purposes.

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