Quote from TRADERCJ:
Is there weekly history of the Top 100 somewhere? I would love to do some backtesting on it.
No history as to when a stock was added to the IBD 100. There is a pretty good reason for this, check out the Canslim fund, a total failure.
Like others, I tried to backtest the 100. Would take a ton of work to figure out the dates (additions and deletions). It would be so simple for IBD to put a column "Date added" to the IBD100. They don't do this for a reason.
IBD will slowely disappear off the market as more people catch on. I have already noticed that in several major airports, they no longer carry IBD.