Source: https://databento.com/docs/release-notes/release-notes-data


# Data

## 2026-10-20

Fixed duplicate trades in GLBX.MDP3 on 2011-05-09, 2011-11-28, 2013-05-07, and 2013-06-04

## 2026-10-13

Fixed [an issue where NDEX.IMPACT had no options data through 2023-03-17](https://issues.databento.com/b/6vrl98vl/feature-ideas/missing-ndex-options-data-through-2023-03-17).

## 2026-09-15

The latest regeneration of CME Globex data prior to May 2017 includes several data quality fixes.

#### Bug fixes
- Fixed [missing final settlement prices on 2016-03-18](https://issues.databento.com/b/6vrl98vl/feature-ideas/cme-globex-mdp2-missing-final-settlement-prices-on-2016-03-18) by normalizing settlement prices from MDP2 security definitions into the statistics schema
- Fixed [CME Globex MDP2 requests for part of a UTC date returning truncated or empty data](https://issues.databento.com/b/6vrl98vl/feature-ideas/cme-globex-mdp2-requests-for-part-of-a-utc-date-return-truncated-or-empty)
- Fixed [incomplete OHLCV bars in CME Globex MDP2 data](https://issues.databento.com/b/6vrl98vl/feature-ideas/cme-globex-mdp2-data-has-incomplete-bars-for-many-days) where most of a day consolidated into a single bar
- Fixed `min_price_increment_amount` in MDP2 definitions, which incorrectly held the `min_price_increment` value

## 2026-08-08

#### Enhancements
- Upgraded GLBX.MDP3 to DBN version 3:
  - [Definition schema now includes one record per strategy leg](https://roadmap.databento.com/b/n0o5prm6/feature-ideas/expose-metadata-of-every-underlying-leg-in-multi-leg-futures-and-options)
  - Added `N` (None) `action`, which can carry `F_LAST` flag
  - Settlement prices from security definitions move to the statistics schema
  - Price limits are added to the statistics schema

#### Bug fixes
- GLBX.MDP3 fixes:
  - Fixed [issue where legacy CME data is missing `side` for trades](https://issues.databento.com/roadmap/legacy-cme-fixfast-mdp2-data-is-missing-trade-side)
  - Fixed [incorrect mapping of instrument security trading status for Pre-Cross](https://issues.databento.com/b/6vrl98vl/feature-ideas/glbxmdp3-incorrect-mapping-of-instrument-security-trading-status-for-pre-cross)
  - Fixed issue where publication of a Status record could cause MBO records to
    incorrectly have `F_LAST` set, and also trigger a premature MBP record before the end of the CME
    event

## 2026-07-19

#### Bug fixes
- Fixed [issue with `ts_recv` jitter in `EQUS.MINI` where timestamps could be non-monotonic](https://issues.databento.com/roadmap/equsmini-live-data-occasional-out-of-order-ts-recv-within-the-same-instrument)

This fix will be propagated to already-generated historical data at a later date.

## 2026-05-31

#### Bug fixes
- Fixed [issue with incorrect off-market publisher attribution for trades](https://issues.databento.com/b/6vrl98vl/feature-ideas/ifeuifusifllndeximpact-some-off-market-trades-marked-as-on-exchange) for live and historical data starting on 2026-05-31.
- Fixed [issue with truncated contract symbols](https://issues.databento.com/b/6vrl98vl/feature-ideas/fix-contractsymbolextra-normalization-for-ice-option-strategies) for live and historical data starting on 2026-05-31

These fixes will be propagated to already-generated historical data at a later date.

## 2026-05-09

#### Enhancements
- Added channel 333 (Event Contracts II) to `GLBX.MDP3` data
- Moved the weekly gateway restart from Sunday 09:30 UTC to Saturday 02:15 CT

## 2026-04-22

#### Bug fixes
- Fixed `instrument_id` inconsistency in Blue Ocean ATS historical data from 2026-03-22 through 2026-04-21

## 2026-04-15

This release introduces live and historical CFE (`XCBF.PITCH`) data.
CFE is the exclusive venue for futures on the Cboe Volatility Index (VIX), a widely used benchmark for expected U.S. equity market volatility.
Its coverage also extends to corporate bond index, equity index and cryptocurrency contracts.
You can read more about the release [here](https://databento.com/blog/introducing-cboe-futures-exchange-cfe).

## 2026-04-13

#### Bug fixes
- Fixed Blue Ocean ATS historical data from 2026-02-10 through 2026-02-13 that was degraded by a packet handling bug following a network gap affecting 2026-02-08 through 2026-02-09. Data from 2026-02-08 through 2026-02-09 remains degraded.

## 2026-04-08

This release introduces live and historical Blue Ocean ATS MEMOIR Depth (`OCEA.MEMOIR`) data.
Blue Ocean ATS is a leading venue for after-hours US equities trading, supporting 24-hour access to US equity markets.
You can read more about the release [here](https://databento.com/blog/blue-ocean-ats-now-available).

#### Enhancements
- Added support for the `OCEA.MEMOIR` dataset

## 2025-11-09

#### Bug fixes
- Fixed default values for new imbalance data to match other schemas
- Fixed `auction_time` to be in UTC for NYSE datasets

## 2025-11-04

This release introduces live and historical Eurex EOBI (`XEUR.EOBI`) data.
Eurex is Europe's largest derivatives exchange and a major trading venue for equity index and fixed income derivatives, as well as single stock options.
You can read more about the release [here](https://databento.com/blog/eurex-now-available).

#### Enhancements
- Added support for the `XEUR.EOBI` dataset

## 2025-09-23

#### Bug fixes
- Fixed [missing `ts_ref` in CME Globex settlement price statistics prior to 2015](https://issues.databento.com/roadmap/mdp2-statistics-missing-ts-ref-for-settlement-prices)
- Fixed a symbology issue in the `XCIS.TRADESBBO` dataset starting on 2025-02-21.

## 2025-08-26

#### Enhancements
- Added preliminary end-of-day statistics to EQUS.SUMMARY. More details available on the [dataset supplement](https://databento.com/docs/datasets/equs-summary.md#end-of-day-summary).

## 2025-08-05

#### Enhancements
- Added historical data for delisted market types in ICE datasets,
  including [EUA futures when they traded on IFEU prior to 2021](https://roadmap.databento.com/roadmap/extend-coverage-for-ice-eua-futures)

#### Bug fixes
- Fixed [missing options book updates for ICE datasets](https://issues.databento.com/b/6vrl98vl/feature-ideas/ifeuifllifusndeximpact-book-updates-missing-for-options)

## 2025-07-25

The latest regeneration of CME Globex data prior to May 2017 includes several data quality fixes and improvements.

#### Enhancements
- Added [`status` schema data for CME Globex prior to May 2017](https://issues.databento.com/b/6vrl98vl/feature-ideas/glbxmdp3-status-schema-unavilabile-for-extended-mdp2-history)

#### Bug fixes
- Fixed [incorrect `activation` and `expiration` from 2015-11-22 to 2017-05-21](https://issues.databento.com/b/6vrl98vl/feature-ideas/glbxmdp3-incorrect-activationexpiration-from-2015-11-22-to-2017-05-21)
- Fixed [incorrect price levels in the MBP-10 schema for products with reduced `market_depth` and implied books on MDP2 CME Globex data](https://issues.databento.com/b/6vrl98vl/feature-ideas/incorrect-price-levels-on-mbp-10-for-products-with-reduced-market-depth-or-implied-books-on-mdp2-cme-data)
- Fixed [missing `ts_ref` in CME Globex data from 2015-11-20 to 2017-05-21](https://issues.databento.com/b/6vrl98vl/feature-ideas/missing-ts-ref-in-cme-mdp2-after-2015-11-20)
- Fixed [empty CME Globex data for 2010-09-13, 2010-11-17, 2012-07-19, and 2017-03-13](https://issues.databento.com/b/6vrl98vl/feature-ideas/glbxmdp3-empty-data-for-2010-09-13-2010-11-17-2012-07-19-and-2017-03-13)
- Fixed [out-of-order statistics records in pre-2017 CME Globex data](https://issues.databento.com/b/6vrl98vl/feature-ideas/records-with-unordered-ts-recv-in-pre-2017-glbxmdp3-data)
- Fixed [missing `SettlPriceType` normalization in MDP2 CME Globex data](https://issues.databento.com/b/6vrl98vl/feature-ideas/missing-settlpricetype-normalization-for-mdp2-cme-data)

## 2025-07-06

#### Bug fixes
- Fixed [missing symbol mappings in live EQUS.MINI when subscribing between 09:30Z on Sunday and 06:00Z on Monday](https://issues.databento.com/b/6vrl98vl/feature-ideas/equsmini-live-data-symbol-mappings-are-not-relayed-to-the-client-when-starting-the-connection-between-930z-on-sunday-and-0600z-on-monday)

## 2025-07-01

#### Bug fixes
- Fixed [incomplete ICE Futures US data prior to 2023-03-19](https://issues.databento.com/b/6vrl98vl/feature-ideas/incomplete-ice-futures-us-prior-to-2023-03-19)
- Fixed [broken symbology for `BRN` futures and options in ICE Europe Commodities data on 2024-01-01 and 2024-01-02](https://issues.databento.com/b/6vrl98vl/feature-ideas/broken-symbology-for-some-brn-futures-and-options-on-2024-01-01-and-2024-01-02)

## 2025-06-27

#### Bug fixes
- Fixed [misaligned and incorrect values for some instruments in CME Globex from 2012-02-05 through 2012-02-10](https://issues.databento.com/b/6vrl98vl/feature-ideas/instrument-definition-issues-on-glbxmdp3-from-2012-02-05-to-2012-02-10)

## 2025-06-17

This release introduces live and historical ICE Futures US iMpact (`IFUS.IMPACT`) and ICE Europe Financials iMpact (`IFLL.IMPACT`) data.
The datasets cover US futures and options for all softs, metals, and financial products, as well
as European equity and interest rate derivatives.
You can read more about the release [here](https://databento.com/blog/introducing-ice-futures-us).

#### Enhancements
- Changed the following Venue, Publisher, and Dataset descriptions:
  - "ICE Futures Europe (Financials)" renamed to "ICE Europe Financials"
  - "ICE Futures Europe (Commodities)" renamed to "ICE Europe Commodities"

## 2025-06-10

#### Enhancements
- Extended [OPRA Pillar history back to 2013](https://roadmap.databento.com/b/n0o5prm6/feature-ideas/extend-opra-dataset-history).
  You can read more about the release [here](https://databento.com/blog/opra-improvements-coming-soon).

## 2025-05-20

#### Bug fixes
- Fixed [degraded dates in CME Globex prior to 2024-12-09 could have stuck orders](https://issues.databento.com/b/6vrl98vl/feature-ideas/glbxmdp3-degraded-dates-prior-to-2024-12-09-can-have-stuck-orders)
- Fixed [incorrect `underlying` for options created mid-week in CME Globex prior to 2017-05-21](https://issues.databento.com/b/6vrl98vl/feature-ideas/glbxmdp3-options-created-mid-week-have-incorrect-underlying-in-pre-2017-glbxmdp3-data)

## 2025-05-07

#### Enhancements
- Extended US equities coverage to Cboe EDGX Depth, Cboe EDGA Depth, Cboe BZX Depth, and Cboe BYX Depth.
  You can read more about the release [here](https://databento.com/blog/cboe-us-equities-depth-now-available).
- Added [normalization for the official opening and closing cross prices in Nasdaq data](https://roadmap.databento.com/b/n0o5prm6/feature-ideas/official-opening-and-closing-cross-prices)

## 2025-04-05

#### Enhancements
- Added support for [open interest and volume-based continuous symbology in the live API](https://roadmap.databento.com/b/n0o5prm6/feature-ideas/support-full-continuous-symbology-for-live-data)

## 2025-04-01

#### Bug fixes
- Fixed [incorrect strike prices for some options in CME Globex definitions prior to 2017-05-21](https://issues.databento.com/b/6vrl98vl/feature-ideas/incorrect-strike-prices-for-some-options-on-cme-mdp2-data)

## 2025-03-13

#### Enhancements
- Extended US equities coverage to MEMX MEMOIR Depth.
  You can read more about the release [here](https://databento.com/blog/memx-memoir-depth-now-available).

## 2025-02-26

#### Bug fixes
- Regenerated [degraded EPRL.DOM historical data from 2025-02-03 through 2025-02-19 (inclusive)](https://issues.databento.com/b/6vrl98vl/feature-ideas/eprldom-historical-data-degraded-from-2025-02-03-to-2025-02-19-inclusive)

## 2025-02-01

#### Enhancements
- Added the Databento US Equities Mini dataset, which provides cost-effective real-time US equities data.
  You can read more about this release [here](https://databento.com/blog/databento-us-equities-mini-now-available).

## 2025-01-15

#### Breaking changes
- Rolled out [changes to live connection limits](https://databento.com/blog/changes-to-live-connection-limits)

## 2024-12-14

#### Bug fixes
- Fixed [degraded CME Globex data for 2024-11-08](https://issues.databento.com/b/6vrl98vl/feature-ideas/glbxmdp3-historical-data-is-degraded-for-2024-11-08)

## 2024-12-03

#### Enhancements
- Extended [CME Globex history back to 2010](https://databento.com/blog/CME-history-extended-to-2010)

## 2024-12-02

This release features several normalization and data quality improvements to ICE Europe Commodities and ICE Endex.

#### Enhancements
- Improved ICE normalization to use `ContractSymbol` for `raw_symbol` when available.
  `ContractSymbol` provides more human-readable symbols than the `StrategySymbol` fallback.
- Updated ICE normalization to normalize off-market trades under a separate publisher

#### Bug fixes
- Fixed [an issue](https://issues.databento.com/b/6vrl98vl/feature-ideas/ifeundex-system-priced-leg-trades-are-being-counted-towards-ohlcv-bars)
  with ICE Europe Commodities and ICE Endex where System Priced leg trades were counted towards OHLCV bars

## 2024-10-22

#### Bug fixes
- Fixed [an issue](https://issues.databento.com/b/6vrl98vl/feature-ideas/incomplete-and-missing-data-on-some-fridays-in-2020-in-ice-endex-and-ice-futures-europe)
  where several Fridays in 2020 had no data for ICE Europe Commodities and ICE Endex

## 2024-10-24

#### Enhancements
- Added adjustment factors to our reference data API.
  You can read about this release [here](https://databento.com/blog/adjustment-factors).

## 2024-07-05

#### Enhancements
- Added an MBP snapshot record at 00:00 UTC for historical data.
  This is generated along with the existing MBO snapshot and will have the `F_SNAPSHOT` flag set.
  The MBP snapshot will only be sent for instruments that actually have a quote.

## 2024-06-25

#### Enhancements
- Added the `status` schema for the `GLBX.MDP3` dataset

## 2024-06-18

#### Bug fixes
- Changed normalization for CME Globex MDP 3.0 statistics to use tag 34-MsgSeqNum for `sequence` to
  match other schemas instead of tag 83-RptSeq
- Fixed scaling of `strike_price` for metal options for CME Globex MDP 3.0
- Added [truncated digit](https://www.cmegroup.com/confluence/display/EPICSANDBOX/Options+with+Truncated+Strike+Prices)
  of `strike_price` for MDP 3.0 2-Year T-Note options (OZT) for CME Globex MDP 3.0. `strike_price` now
  includes the full strike price
- Fixed scaling of `unit_of_measure_qty` in older CME Globex MDP 3.0. Previously, the newer 9-digit precision
  scaling was erroneously applied to pre-late 2018 data when CME used 7-digit precision
- Changed `stat_flags` to always be 0 when it is unused or there is no source field to normalize to it

## 2024-05-07

#### Bug fixes
- Changed normalization for ICE Europe Commodities iMpact and ICE Endex iMpact to no longer set `ts_ref`
  when a valuation date time or trading date isn't specified
- Added missing normalization to statistics schema for Option Open Interest Message and Option
  Settlement Price Message in ICE Europe Commodities iMpact and ICE Endex iMpact

## 2024-01-18

This release introduces live and historical ICE Europe Commodities iMpact (`IFEU.IMPACT`) and ICE Endex iMpact (`NDEX.IMPACT`) data.
The datasets cover European futures and options for all energy and commodities products, including all listed outrights, spreads,
and options combinations. You can read more about the release [here](https://databento.com/blog/ice-futures-market-data).

#### Enhancements
- Added the `IFEU.IMPACT` and `NDEX.IMPACT` datasets, does not yet include our `mbo`, `mbp-10`, `mbp-1`, and `tbbo` schemas

## 2023-11-17

#### Enhancements
This release adds support for Nasdaq TotalView-ITCH (`XNAS.ITCH`) live data.
This includes detailed information on every order in the book, captured and distributed from our Equinix NY4 colo, offering more insights into Nasdaq market activity than data sourced from the SIPs.

You can read more about this release [here](https://databento.com/blog/nasdaq-totalview-live).

## 2023-10-04

This release introduces the Databento Equities Basic dataset (`DBEQ.BASIC`), our first bundle of live
and historical US equities data. The bundle includes five proprietary feeds--NYSE Chicago Integrated,
IEX TOPS, NYSE National Trades, NYSE National BBO, and MIAX Pearl Equities Depth of Market--that can
be licensed for distribution, display, and non-display applications at no cost.
You can read more about the release [here](https://databento.com/blog/dbeq-basic).

#### Enhancements
- Added the `DBEQ.BASIC` dataset, does not include live data for the `mbo` schema

#### Breaking changes
- Changed `XNAS.ITCH` Cross Trade messages when no cross occurred to have a price of `UNDEF_PRICE`
  instead of the previous price of 0

## 2023-08-29

This release introduces the OPRA (Options Price Reporting Authority) dataset (`OPRA.PILLAR`) for
the historical and live APIs, covering all 16 national exchanges. This not only includes options on
single name equities, but also on indices, e.g., Cboe VIX options, SPX options, and certain
volatility benchmark indices like SPIKE and VSPKE. You can read more about the release [here](https://databento.com/blog/opra-data).

#### Enhancements
- Added the `OPRA.PILLAR` dataset, does not yet include live data for the `mbp-1` schema, or Global Trading Hours (GTH)

## 2023-07-23

- Updated CSV encoding:
  - Reordered columns in every schema to better reflect relative importance
  - Added `channel_id` to MBO schema
  - Always include `rtype` to differentiate  between schemas
  - Rename `security_group` in definitions schema to `group` to match struct definitions
- Updated JSON encoding:
  - Moved header fields (`rtype`, `publisher_id`, `instrument_id`, and `ts_event`) to
  - Added `channel_id` to MBO schema
  - Changed to always include `rtype` to differentiate between schemas
    nested object under the key `hd` in JSON encoding to match structure definitions
  - Rename `security_group` in definitions schema to `group` to match struct definitions
  - All 64-bit integers are now serialized as strings to avoid loss of precision

## 2023-05-01

- Renamed `product_id` to `instrument_id` in common header
- Renamed `symbol` to `raw_symbol` in definitions schema

## 2023-04-28

- Added `strike_price` field to definitions schema
- Added `strike_price_currency` field to definitions schema
- Added `instrument_class` field to definitions schema
- Deprecated `related` and `related_security_id` from definitions schema

## 2023-03-07

- Fixed an [issue](https://issues.databento.com/roadmap/duplicate-order-ids-at-start-of-day-affecting-cme-globex-mdp-30) causing duplicate add order snapshots on CME Globex MDP 3.0.