EQUITY DETAILED ADJUSTMENT FACTORS Data Product Overview
algoseek Detailed Adjustment Factors dataset provides information about corporate events affecting price and/or volume to create historically-adjusted time-series for backtesting. This is the upgraded version of the Basic Adjustment Factors data with additional data points covering Event Type, Details of the Event, and ISIN.
algoseek is a leading market and reference data provider for quantitative trading and research. We provide the most comprehensive and information-rich market data products in the financial markets covering all major asset classes from Equities, Options, and Futures to Cryptocurrencies, and all data formats from tick-level data to aggregations such as minute bars and EOD.
AWS Marketplace now accepts line of credit payments through the PNC Vendor Finance program. This program is available to select AWS customers in the US, excluding NV, NC, ND, TN, & VT.
This listing is offered at no cost. You get one dataset covering a single month (2020) of US Equity Detailed Adjustment Factors, delivered as CSV. There are no paid tiers, usage add-ons, or quantity choices to configure. Pricing is a single free option, so nothing scales with volume, users, or term. The dataset provides event-level corporate-action adjustment factors, keyed to a persistent security identifier, for auditing and back-testing historical price and volume. Use it to evaluate the data format and content before considering any broader licensing.
Top-of-mind questions for buyers
What does one record in the Detailed Adjustment Factors dataset represent?
Each record captures a single corporate event that changes a security's price or volume, such as a split or dividend. It includes the effective date, the adjustment factor, the reason, and detailed metadata like dividend amount, keyed to a persistent security identifier that survives ticker changes and delistings.
Does this free listing include daily updates or history beyond the 2020 month?
No. This free option covers a single month of 2020 data as a CSV. It does not include daily automated updates or the full archive from 2007. Those come with the vendor's licensed datasets and packages, which you would arrange separately with the seller.
Are there exchange fees or any charges layered on top of this free dataset?
No. This is historical adjustment factor reference data, and the vendor states historical data carries no exchange fees. The listing is offered at no cost, so there are no software charges, usage add-ons, or quantity choices to configure.
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