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" <sfclimb...@...> 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 > > >
