Reference data enums for a lookup table of possible enumeration field values.
Examples and tutorials
Options
Equity options: Introduction
Options on futures: Introduction
All options with a given underlying
Join options with underlying prices
US equity options volume by venue
Resample US equity options NBBO
Estimate implied volatility
Get symbols for 0DTE options
Calculate daily statistics for equity options
Historical data
Request a large number of symbols
Programmatic batch downloads
Best bid, best offer, and midprice
Custom OHLCV bars from trades
Join schemas on instrument ID
Plot a candlestick chart
Calculate VWAP and RSI
End-of-day pricing and portfolio valuation
Benchmark portfolio performance
Market halts, volatility interrupts, and price bands
Resample OHLCV from 1-minute to 5-minute
Algorithmic trading
A high-frequency liquidity-taking strategy
Build prediction models with machine learning
Execution slippage and markouts
Matching engine latencies
Using messaging rates as a proxy for implied volatility
Mean reversion and portfolio optimization
Pairs trading based on cointegration
Build a real-time stock screener
Core concepts
Venues and datasets
CME Globex MDP 3.0
Cboe BYX Depth
Cboe BYZ Depth
Cboe EDGA Depth
Cboe EDGX Depth
Databento US Equities Basic
Databento US Equities Mini
Databento US Equities Summary
Eurex Exchange
European Energy Exchange
ICE Endex iMpact
ICE Europe Commodities iMpact
ICE Europe Financials iMpact
ICE Futures US iMpact
IEX TOPS
MEMX Memoir
MIAX Depth of Market
Nasdaq Basic with NLS Plus
Nasdaq TotalView-ITCH
NYSE American Integrated
NYSE Arca Integrated
NYSE Texas Integrated
NYSE National Trades and BBO
NYSE Integrated
OPRA Pillar
Corporate actions
Adjustment factors
Security master
API Reference
Resources
Release notes
C++
0.42.0 - 2025-08-19
0.41.0 - 2025-08-12
0.40.0 - 2025-07-29
0.39.1 - 2025-07-22
0.39.0 - 2025-07-15
0.38.2 - 2025-07-01
0.38.1 - 2025-06-25
0.38.0 - 2025-06-10
0.37.1 - 2025-06-03
0.37.0 - 2025-06-03
0.36.0 - 2025-05-27
0.35.1 - 2025-05-20
0.35.0 - 2025-05-13
0.34.2 - 2025-05-06
0.34.1 - 2025-04-29
0.34.0 - 2025-04-22
0.33.0 - 2025-04-15
0.32.1 - 2025-04-07
0.32.0 - 2025-04-02
0.31.0 - 2025-03-18
0.30.0 - 2025-02-11
0.29.0 - 2025-02-04
0.28.0 - 2025-01-21
0.27.0 - 2025-01-07
0.26.0 - 2024-12-17
0.25.0 - 2024-11-12
0.24.0 - 2024-10-22
0.23.0 - 2024-09-25
0.22.0 - 2024-08-27
0.21.0 - 2024-07-30
0.20.1 - 2024-07-16
0.20.0 - 2024-07-09
0.19.1 - 2024-06-25
0.19.0 - 2024-06-04
0.18.1 - 2024-05-22
0.18.0 - 2024-05-14
0.17.1 - 2024-04-08
0.17.0 - 2024-04-01
0.16.0 - 2024-03-01
0.15.0 - 2024-01-16
0.14.1 - 2023-12-18
0.14.0 - 2023-11-23
0.13.1 - 2023-10-23
0.13.0 - 2023-09-21
0.12.0 - 2023-08-24
0.11.0 - 2023-08-10
0.10.0 - 2023-07-20
0.9.1 - 2023-07-11
0.9.0 - 2023-06-13
0.8.0 - 2023-05-16
0.7.0 - 2023-04-28
0.6.1 - 2023-03-28
0.6.0 - 2023-03-24
0.5.0 - 2023-03-13
0.4.0 - 2023-03-02
0.3.0 - 2023-01-06
0.2.0 - 2022-12-01
0.1.0 - 2022-11-07
Python
0.63.1 - TBD
0.63.0 - 2025-09-02
0.62.0 - 2025-08-19
0.61.0 - 2025-08-12
0.60.0 - 2025-08-05
0.59.0 - 2025-07-15
0.58.0 - 2025-07-08
0.57.1 - 2025-06-17
0.57.0 - 2025-06-10
0.56.0 - 2025-06-03
0.55.1 - 2025-06-02
0.55.0 - 2025-05-29
0.54.0 - 2025-05-13
0.53.0 - 2025-04-29
0.52.0 - 2025-04-15
0.51.0 - 2025-04-08
0.50.0 - 2025-03-18
0.49.0 - 2025-03-04
0.48.0 - 2025-01-21
0.47.0 - 2024-12-17
0.46.0 - 2024-12-10
0.45.0 - 2024-11-12
0.44.1 - 2024-10-29
0.44.0 - 2024-10-22
0.43.1 - 2024-10-15
0.43.0 - 2024-10-09
0.42.0 - 2024-09-23
0.41.0 - 2024-09-03
0.40.0 - 2024-08-27
0.39.3 - 2024-08-20
0.39.2 - 2024-08-13
0.39.1 - 2024-08-13
0.39.0 - 2024-07-30
0.38.0 - 2024-07-23
0.37.0 - 2024-07-09
0.36.3 - 2024-07-02
0.36.2 - 2024-06-25
0.36.1 - 2024-06-18
0.36.0 - 2024-06-11
0.35.0 - 2024-06-04
0.34.1 - 2024-05-21
0.34.0 - 2024-05-14
0.33.0 - 2024-04-16
0.32.0 - 2024-04-04
0.31.1 - 2024-03-20
0.31.0 - 2024-03-05
0.30.0 - 2024-02-22
0.29.0 - 2024-02-13
0.28.0 - 2024-02-01
0.27.0 - 2024-01-23
0.26.0 - 2024-01-16
0.25.0 - 2024-01-09
0.24.1 - 2023-12-15
0.24.0 - 2023-11-23
0.23.1 - 2023-11-10
0.23.0 - 2023-10-26
0.22.1 - 2023-10-24
0.22.0 - 2023-10-23
0.21.0 - 2023-10-11
0.20.0 - 2023-09-21
0.19.1 - 2023-09-08
0.19.0 - 2023-08-25
0.18.1 - 2023-08-16
0.18.0 - 2023-08-14
0.17.0 - 2023-08-10
0.16.1 - 2023-08-03
0.16.0 - 2023-07-25
0.15.2 - 2023-07-19
0.15.1 - 2023-07-06
0.15.0 - 2023-07-05
0.14.1 - 2023-06-16
0.14.0 - 2023-06-14
0.13.0 - 2023-06-02
0.12.0 - 2023-05-01
0.11.0 - 2023-04-13
0.10.0 - 2023-04-07
0.9.0 - 2023-03-10
0.8.1 - 2023-03-05
0.8.0 - 2023-03-03
0.7.0 - 2023-01-10
0.6.0 - 2022-12-02
0.5.0 - 2022-11-07
0.4.0 - 2022-09-14
0.3.0 - 2022-08-30
HTTP API
0.35.0 - TBD
0.34.1 - 2025-06-17
0.34.0 - 2025-06-09
0.33.0 - 2024-12-10
0.32.0 - 2024-11-26
0.31.0 - 2024-11-12
0.30.0 - 2024-09-24
0.29.0 - 2024-09-03
0.28.0 - 2024-06-25
0.27.0 - 2024-06-04
0.26.0 - 2024-05-14
0.25.0 - 2024-03-26
0.24.0 - 2024-03-06
0.23.0 - 2024-02-15
0.22.0 - 2024-02-06
0.21.0 - 2024-01-30
0.20.0 - 2024-01-18
0.19.0 - 2023-10-17
0.18.0 - 2023-10-11
0.17.0 - 2023-10-04
0.16.0 - 2023-09-26
0.15.0 - 2023-09-19
0.14.0 - 2023-08-29
0.13.0 - 2023-08-23
0.12.0 - 2023-08-10
0.11.0 - 2023-07-25
0.10.0 - 2023-07-06
0.9.0 - 2023-06-01
0.8.0 - 2023-05-01
0.7.0 - 2023-04-07
0.6.0 - 2023-03-10
0.5.0 - 2023-03-03
0.4.0 - 2022-12-02
0.3.0 - 2022-08-30
0.2.0 - 2021-12-10
0.1.0 - 2021-08-30
Raw API
0.6.4 - TBD
0.6.3 - 2025-09-07
0.6.2 - 2025-08-02
0.6.1 - 2025-06-29
0.6.0 - 2025-05-24
0.5.6 - 2025-04-06
0.5.5 - 2024-12-01
0.5.4 - 2024-10-02
0.5.3 - 2024-10-02
0.5.1 - 2024-07-24
2024-07-20
2024-06-25
0.5.0 - 2024-05-25
0.4.6 - 2024-04-13
0.4.5 - 2024-03-25
0.4.4 - 2024-03-23
0.4.3 - 2024-02-13
0.4.2 - 2024-01-06
0.4.0 - 2023-11-08
0.3.0 - 2023-10-20
0.2.0 - 2023-07-23
0.1.0 - 2023-05-01
Rust
0.34.0 - 2025-09-23
0.33.1 - 2025-08-26
0.33.0 - 2025-08-19
0.32.0 - 2025-08-12
0.31.0 - 2025-07-30
0.30.0 - 2025-07-22
0.29.0 - 2025-07-15
0.28.0 - 2025-07-01
0.27.1 - 2025-06-25
0.27.0 - 2025-06-10
0.26.2 - 2025-06-03
0.26.1 - 2025-05-30
0.26.0 - 2025-05-28
0.25.0 - 2025-05-13
0.24.0 - 2025-04-22
0.23.0 - 2025-04-15
0.22.0 - 2025-04-01
0.21.0 - 2025-03-18
0.20.0 - 2025-02-12
0.19.0 - 2025-01-21
0.18.0 - 2025-01-08
0.17.0 - 2024-12-17
0.16.0 - 2024-11-12
0.15.0 - 2024-10-22
0.14.1 - 2024-10-08
0.14.0 - 2024-10-01
0.13.0 - 2024-09-25
0.12.1 - 2024-08-27
0.12.0 - 2024-07-30
0.11.4 - 2024-07-16
0.11.3 - 2024-07-09
0.11.2 - 2024-06-25
0.11.1 - 2024-06-11
0.11.0 - 2024-06-04
0.10.0 - 2024-05-22
0.9.1 - 2024-05-15
0.9.0 - 2024-05-14
0.8.0 - 2024-04-01
0.7.1 - 2024-03-05
0.7.0 - 2024-03-01
0.6.0 - 2024-01-16
0.5.0 - 2023-11-23
0.4.2 - 2023-10-23
0.4.1 - 2023-10-06
0.4.0 - 2023-09-21
0.3.0 - 2023-09-13
0.2.1 - 2023-08-25
0.2.0 - 2023-08-10
0.1.0 - 2023-08-02
Data
2025-09-23
2025-08-26
2025-08-05
2025-07-25
2025-07-06
2025-07-01
2025-06-27
2025-06-17
2025-06-10
2025-05-20
2025-05-07
2025-04-05
2025-04-01
2025-03-13
2025-02-26
2025-02-01
2025-01-15
2024-12-14
2024-12-03
2024-12-02
2024-10-22
2024-10-24
2024-07-05
2024-06-25
2024-06-18
2024-05-07
2024-01-18
2023-11-17
2023-10-04
2023-08-29
2023-07-23
2023-05-01
2023-04-28
2023-03-07
Collapse all
Schemas and data formats
Adjustment factors
Adjustment factors covers worldwide corporate actions capital events, spanning multiple currencies for the same event. Each record includes all necessary fields to identify the country, security, event, and adjustment factor.
See also
Fields
- Timestamps are strings in ISO 8601 format, expressed in UTC
- Dates are strings in YYYY-MM-DD ISO 8601 format, expressed in the local time of the listing
exchange
- Enums are strings, with each value corresponding to a predefined set of options listed in the associated lookup table
Field |
Type |
Description |
---|---|---|
security_id |
String | Security level numerical ID. Can be used to link all multiple listings together. |
event_id |
String | Event identifier unique at the event level. Links to the corporate actions event_id . |
event |
Enum | Event type. See EVENT enum. |
issuer_name |
String | The issuer name (sourced from corporate action). |
security_type |
Enum | The security type. See SECTYPE enum. |
primary_exchange |
Enum | Exchange code for the primary security. See EXCHANGE enum. |
exchange |
Enum or null | Exchange code for the listing. Equivalent to the MIC but more stable as MIC might not be available in a timely fashion. Also note that the MIC can change but the exchange will remain the same. See EXCHANGE enum. |
operating_mic |
Enum | Market Identifier Code (MIC) as an ISO 10383 string. See EXCHANGE enum. |
symbol |
String or null | The query input symbol which matched the record. |
nasdaq_symbol |
String or null | Nasdaq Integrated Platform Suffix convention symbol. |
local_code |
String or null | Local Code. Usually unique at market level but there are exceptions to this rule. Either an alpha string, or a number. |
local_code_resulting |
String or null | Resultant local code when applicable/known. |
isin |
String or null | ISIN global level identifier as an ISO 6166 string (sourced from corporate action). |
isin_resulting |
String | Resultant ISIN when applicable/known (sourced from corporate action). |
us_code |
String or null | US domestic CUSIP (sourced from corporate action). |
status |
String | Adjustment status. Can be (A)pply, (R)escind, (P)ending. |
ex_date |
Date | Date from which the event is effective. |
factor |
Number | Adjustment factor to apply. |
close |
Number or null | Closing price on the ex_date . |
currency |
Enum or null | Currency for the closing price as an ISO 4217 string. See CUREN enum. |
sentiment |
Number | Market sentiment - the market's reaction to the event. Simply the previous close divided by today's open. Only correct if factor calculation requires previous close. |
reason |
Number | Reason/type of event, used to distinguish between different event types. See Adjustment factors dataset guide. |
gross_dividend |
Number or null | The amount of the dividend before any taxes or fees are deducted. This value represents the total dividend declared by the company. |
dividend_currency |
String or null | The currency in which the dividend is paid as an ISO 4217 string. See CUREN enum. |
frequency |
String or null | The frequency at which the dividend is paid. See FREQ enum lookup table. |
option |
Number | The choice or option number associated with the event, often used when shareholders are given multiple options for how they would like to receive the dividend or other corporate action benefit (either cash, or script). See option field description. |
detail |
String | A human-readable description of the event. |
ts_created |
Timestamp | The timestamp (UTC) the record was added by Databento. |