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US Equities Basic Adjustment Factors

The U.S. Equities Basic Adjustment Factors dataset provides adjustment factors that affect price, volume or both for corporate events that impact historical equity time series. Each adjustment entry is accompanied by the adjustment reason, enabling transparent and reproducible application of corporate-action adjustments. The dataset allows users to compute both forward- and backward-adjusted price and volume series, supporting a wide range of analytical and back-testing methodologies. Coverage i

GET 

https://api.devalgoseek.com/api/v1/data/us-equity-ref/eq-adj-factors-basic#

The U.S. Equities Basic Adjustment Factors dataset provides adjustment factors that affect price, volume or both for corporate events that impact historical equity time series. Each adjustment entry is accompanied by the adjustment reason, enabling transparent and reproducible application of corporate-action adjustments. The dataset allows users to compute both forward- and backward-adjusted price and volume series, supporting a wide range of analytical and back-testing methodologies. Coverage includes all U.S. exchange-listed equities, with historical data available from 2007 onward.

For more details, please refer to the dataset documentation: US Equities Basic Adjustment Factors Guide.

Advanced Filtering

You can provide one or multiple filter expressions based on the dataset's columns to narrow down the results. For example, StartDate.gt=2023-01-01&StartDate.lt=2023-12-31, Ticker=AAPL.

Please refer to the Advanced Filtering Guide for the extensive reference.

Request#

Query Parameters#

    sort Sort

    Sorting criteria for the results. Provide a column name with optional prefix '+' for ascending order, or prefix with '-' for descending order. Multiple sorting fields may be supported depending on the dataset. If sort prefix is not provided, the ascending order is applied.

    columns Columns

    A comma-separated list of columns to include in the response. Use this parameter to select only specific fields from the dataset. If not provided, all available columns will be returned.

    offset Offset

    Possible values: >= 0

    Number of records to skip before returning results. To be used with the limit parameter for pagination. If not provided, defaults to 0.

    Default value: 0
    Example: 100
    limit Limit

    Possible values: >= 0 and <= 100000

    Maximum number of records to return. Used to control response size and pagination. If not provided, a default limit is applied by the server.

    Default value: 10000
    Example: 100
    response_format ResponseFormat

    Possible values: [json, csv, csv_gzip]

    The type of the data to return

    Default value: json
    Examples:

    JSON format (default)

    Example: json

Responses#

JSON, CSV file, or gzip-compressed CSV file, depending on the value of response_format query parameter

Schema
    data object[]required
  • Array [
  • ASIDinteger

    A unique identifier for a security

    Example: 1010000000019026
    Tickerstring

    Symbol name

    Example: WFC
    EffectiveDatedate

    The date on which the event becomes effective

    Example: 2023-08-03
    AdjustmentFactornumber

    The value of the Adjustment factor for the event

    Example: 0.992239467849224
    AdjustmentReasonstring

    The reason for the Corporate Event

    Example: CashDiv
    EventIdstring

    Unique Event ID under the AdjustmentReason

    Example: 3087413
  • ]
  • pagination objectrequired
    offsetinteger

    The number of records skipped to fetch the current page

    Default value: 0
    limitintegerrequired

    The maximum number of records in the current page

    next_offsetinteger

    The number of records to skip to fetch the next page

Authorization: X-API-KEY#

name: X-API-KEYtype: apiKeyin: header
var client = new HttpClient();
var request = new HttpRequestMessage(HttpMethod.Get, "https://api.devalgoseek.com/api/v1/data/us-equity-ref/eq-adj-factors-basic");
request.Headers.Add("Accept", "application/json");
request.Headers.Add("X-API-KEY", "<X-API-KEY>");
var response = await client.SendAsync(request);
response.EnsureSuccessStatusCode();
Console.WriteLine(await response.Content.ReadAsStringAsync());
Request
Base URL
https://api.devalgoseek.com
Auth
Parameters
— query
— query
— query
— query
— query
Column Filters
Accept
Response

Click the Send API Request button above and see the response here!