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CIO Bulletin
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10 November, 2026
Author:
CIO Bulletin Team
Developers building financial apps and analysts judging investments rely on the same thing: market data they can trust.
The trouble is that stock and bond data often arrives from several sources in several formats. Whether a team pulls stock and bond market data from a provider such as Atlantis Data Solutions or stitches it together in-house, how well that data is standardized shapes how fast the team can work and how much it can trust the results.
One source might list a stock as “BRK.B” and another as “BRK-B”. Timestamps can be in Eastern Time, UTC or the exchange’s local time. Bond prices are usually quoted as a percentage of face value, so a bond price of 98.5 means something very different from a share price of $98.50. And when a company splits its stock, past prices need adjusting, or a chart will show a crash that never happened. Each difference has to be handled before a comparison can be trusted.
By adopting standardized market data, you can benefit from a consistent approach when it comes to handling your financial information. This means that everything from the data’s format to the names of data fields stays consistent from one source and one day to the next, so you can compare securities without normalizing the data every time. Developers can integrate financial data into their applications without having to worry about data compatibility.
Financial market data is commonly used by developers to develop financial applications such as portfolio management, investment research, or market monitoring. For these applications, they require a consistent feed of financial market data that they can rely on and reuse across different parts of their systems.
Here, having a standardized data format can greatly simplify how the data gets integrated; developers don’t need to create data processing rules for every data source they work with. Instead, they can rely on a consistent format, making it possible to develop reusable data components and easily maintain their application if requirements change.
Standardizing market data also makes financial applications easier to scale, as their teams won’t need to redesign their entire data pipeline as they introduce new instruments or new markets that they want to cover.
Financial applications are complex and often have developers working alongside financial analysts and other specialists, which means that there are several different groups of people working with the same data. While both the developer and the financial analyst may be working with the same information, how they approach market data may be very different. A developer may look at the data from a data processing, integration, or performance perspective, while the financial analyst will look at the data’s meaning and financial impact.
The fix is a shared language. A simple data dictionary that defines each field, such as whether “yield” means yield to maturity or current yield, or whether a price is adjusted for splits and dividends, stops the two teams from talking past each other. It also means errors get caught earlier, before they reach a report or a client.
For analysts, the payoff is time. Instead of cleaning spreadsheets, they can screen stocks, compare bond yields across issuers and spot shifts in the market while the information is still useful. And for the business, it means decisions rest on numbers that everyone in the room understands the same way.








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