US Options Open Interest

US Options Open Interest
Production
·

Data Class

Options

Data Type

EOD

Delivery Method

CSV

Vendor

algoseek

Region

US

Documentation

Open Link

The US Equity Options Open Interest Data is based on the extraction of open interest events from the Options Pricing Authority (OPRA) feed, covering information from all the sixteen Equity Options exchanges. 

Files are structured first by date and then by ticker. If you have different requirements for file organization, please reach out to algoseek support.

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Reference Data Position Sizing Open Interest OPRA Feed Daily Data
Dataset Info
Dataset Name ID
opt_open_interest
Algoseek Dataset ID
US5005
Data Format
Reference
Data Class
Options
Data Type
EOD
Time Granularity
Daily
Region
US
Universe
All equity options contracts from US exchanges
Version
1.0
Update Frequency Options
End of day
Introductory Demo Info
Start Date
01/01/2023
End Date
03/31/2023
Access Methods
SQL
Description
Three months of data (Jan. - March 2023) for the full universe of symbols
Historical Info
Data Size
3.2 GB / year
Update Size
13 MB
Update Frequency
1 Day
Start Date
2012-01-01
End Date
Ongoing

SQL (ArdaDB)

Easily connect to your data using SQL with a database connection. No complex setup, just instant access to your data - run queries, retrieve insights, and manage data effortlessly. Secure, fast, and built for developers, analysts, and teams who need reliable access without the hassle.
Delivery Info
Data Fields
Preview Data
# name data type description

CSV (S3)

Easily connect to your data stored in S3 and access CSV files without hassle. Streamline data retrieval with fast, secure, and scalable access, whether for analytics, processing, or integration.
Delivery Info
S3 Bucket Name
us-options-open-interest-yyyy
Update Time
01:30 ET
S3 Bucket Path
yyyymmdd.zip
S3 Bucket Path Description
one zip file per trading day where yyyymmdd is year, month and day
S3 Start Year
2012
S3 End Year
N/A
S3 Bucket Size
3.2 GB / year
Data Fields
Preview Data
# name data type description
1 Date String Trading date in yyyymmdd format
2 Timestamp String Event timestamp in milliseconds
3 Ticker String Symbol name
4 CallPut String Option type (Call or Put) displayed as 'C' or 'P'
5 StrikePrice Decimal Fixed price for buying or selling an option contract
6 ExpirationDate String Expiration date of option contract in yyyymmdd format
7 EventType String Byte code. 34 - calls, 2 - puts
8 Action String Recorded as OI - open interest
9 Price Decimal Recorded as zero for open interest
10 Quantity Integer Underlying asset quantity