Thanks Mike,Ges and Paul, What about a collection of files containing the index components at different updates? Thomasz provides a clever implementation with watch lists in the member area,the problem is how to get the accurate list components .. for every year or update. Do yahoo/google report delisted stocks?
Thanks Ly --- In [email protected], "Paul Ho" <paul.t...@...> wrote: > > Getting delisted stock is extremely easily, nearly data vendors provide them. > But getting changes to indices components with accurate dates is not done by > any data vendor as far as I know. > > --- In [email protected], "Mike" <sfclimbers@> wrote: > > > > Assuming that you want US markets, have a look at Norgate Premium Data: > > > > http://www.premiumdata.net/products/premiumdata/ushistorical.php > > > > Mike > > > > --- In [email protected], "loveyourenemynow" <loveyourenemynow@> > > wrote: > > > > > > Hello, > > > > > > since survival bias and listing/delisting effects are very important on > > > long term backtesting I would like to know if there is any reliable > > > source of free data of the major world index components, with accurate > > > listing/delisting dates. > > > Or alternatively what is good paid service. > > > > > > Thanks > > > > > > Ly > > > > > >
