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Unadjusted Stock Price API

Access stock price and volume data without adjustments for stock splits with the FMP Unadjusted Stock Price Chart API. Get accurate insights into stock performance, including open, high, low, and close prices, along with trading volume, without split-related changes.

About Unadjusted Stock Price API

The FMP Unadjusted Stock Price Chart API provides unadjusted historical price data, allowing traders, analysts, and investors to view stock performance without split-related adjustments. This is useful for users who want a clear view of how stock prices moved before and after stock splits. Key features include:

  • Unadjusted Price Data: Access historical stock prices—open, high, low, and close—without any adjustments for stock splits.
  • Volume Data: Retrieve daily trading volume for further analysis of market activity.
  • Pre-Split Analysis: See how stock prices performed in their original form, making it easier to analyze trends prior to a split event.
  • Clear Historical View: For investors and analysts looking to avoid the distortions caused by stock splits, this API delivers clear and unmodified data.This API is ideal for anyone who needs accurate, split-free stock data for more precise historical analysis.

Example Use Case
A market researcher analyzing Apple stock performance before and after a split can use the Unadjusted Stock Price Chart API to get a clear view of stock prices without any split-related adjustments.

Unadjusted Stock Price API Parameters

Query Parameter

Type

Example

symbol*

string

AAPL

from

date

2025-01-10

to

date

2025-04-10

(*) Required

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Unadjusted Stock Price API FAQs

What time is considered the end of the day for Crypto full historical data?

For Crypto full historical data, the close is considered as of 12 AM EST as Crypto markets operate 24/7.

Where can I find information on using weekly or monthly resolutions for historical chart data?

You can find information on using weekly or monthly resolutions for historical chart data in the Intraday chart API documentation. Visit the following link for more details: https://site.financialmodelingprep.com/developer/docs#chart-intraday

Why doesn’t the return data match the closing price data, and how are the return periods calculated?

The return values and price data may not always match exactly due to different methodologies used in return calculations. Here's how returns are calculated in the Returns Endpoint: Current Day Return: Calculated using intraday price change (from today’s open to current price). 5-Day Return: Uses the current price divided by the opening price from 5 trading days ago, not the close. This approach was adopted to align with practices used by other major platforms. 1M/3M/6M/1Y Returns and beyond: Calculated using closing prices from the relevant date range. This mix of methodologies—particularly the use of open vs. close prices for short-term returns—can cause slight inconsistencies when compared directly with end-of-day (EOD) pricing. If you'd like help aligning these values for your specific use case, feel free to reach out.

What information does the Full Historical Cryptocurrency Data API provide?

The API provides end-of-day (EOD) price data for cryptocurrencies, including open, high, low, close (OHLC) prices, trading volume, price changes, and VWAP.

How far back does the historical data go?

The API provides access to extensive historical data, depending on the availability for each cryptocurrency. You can retrieve data for multiple years to analyze long-term trends.

How often is the historical data updated?

The historical data is updated daily after the close of the market, ensuring you have the latest EOD data.

Can I access historical data for any cryptocurrency?

Yes, the API supports a wide range of cryptocurrencies, providing full historical EOD data for all major assets.

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FMP

FMP

Financial Modeling Prep API provides real time stock price, company financial statements, major index prices, stock historical data, forex real time rate and cryptocurrencies. Financial Modeling Prep stock price API is in real time, the company reports can be found in quarter or annual format, and goes back 30 years in history.
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