@fschaeffler/index-as-of

The NPM-module gets the included tickers of an index as of a specific historic date. This can be useful for back-testing trading strategies which make use of an index membership. Currently, only NASDAQ 100 (NDX) is supported.

barchart-market-data-api

Barchart OnDemand API servic have access to 15-minute delayed market data for BATS (US equities) and global Forex pairs, and end-of-day (including historical) market data for US equities from AMEX, NASDAQ, NYSE and futures from CBOT, CME, COMEX and NYMEX.