For several stock symbols, which were in the past part of the SP500, no data is found using both Eikon python API and Eikon excel formula. Dataframe comes empty or with nulls.
Python AP Formula used: ek.get_data(ticker,['TR.PriceClose.Date;TR.PriceOpen;TR.PriceHigh;TR.PriceLow;TR.PriceClose;TR.Volume'],{'SDate':date_start,'EDate':date_end,'Frq':'D'})
Where date_start = 1/1/1989
and data_end = 30/09/2020
Please find below the list of tickers in which no data is received:
ALT.N^K99BNET.O^B96BOAT.O^D99CCBw.N^C96CMY^L96COW.QAD^C95CRBL.PK^H09CSGA.QAD^C95CSP.QAD^C95FCXb.N^K95FLR_w.N^L00FRMq.L^A00FSR.N^B01GITL.L^H90GNN.MW^D93GRACq.L^A00GX.N^A02HIA.H^C90IMNX.O^G02JOSEA.PK^H03LOCK.CD^A98MAI.N^G95MAR_w.N^C98MCAc.AS^L90MDRIQ.PKMHC.L^A92NCR.L^I91NOXL.QAD^L00NRTO.PK^B02OMw.N^K97ONE.N^G04PINw.N^J94PLD.N^F11PPW.BE^C02PZS.N^L99RAM.QAD^L89RTN.N^L97SGI.N^K05SOVN.QAD^C95SPC.L^D92SQB.F^C90SQD^L97TGT.NTKA.QAD^L91UPC.N^G04VVI.N^G04WETT.SI^E01WLP.N^L04