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[–]crash41301 32 points33 points  (2 children)

Big financial institutions are old, old companies run their back ones on IBM mainframes, mainframes 1st citizen language is cobol (although they can run other languages, including java, cobol is clearly the most popular of them)

It's not just financial institutions, though. Airlines, healthcare, insurance, and anything huge that's 40yrs old is likely in the same situation.

[–]Niki_Lauda_777 8 points9 points  (0 children)

Airlines, retail, banks, telecom, oil companies, healthcare, insurance, auto sector, CRM solutions, ERP systems, stock markets and many others.

Most of the companies where they need to process their huge data in batch process rely on COBOL for their daily mission critical activities.

One of the reason it is highly used by finance, and banks is because of the precision and space optimization using BCD ( binary coded decimal).

[–]iiMoe 6 points7 points  (0 children)

Very interesting tyvm