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Changelog - polygon

All notable changes to the project are documented here.

Version history is sorted from the most recent release to the least recent

v1.2.8 - (2025-08-29)

  • Add new streams - crypto second aggregates and forex second aggregates
  • Fix issue with stream client for mishandling prefix for crypto and forex - Thanks to @yarimiz for contributing.

v1.2.7 - (2025-08-09)

  • Fix missing import for IndexClient and bad AsyncIndexClient init signature.

v1.2.6 - (2024-12-13)

  • Add expired parameter on Get Option Contracts endpoint (Reference APIs)

v1.2.5 - (2024-09-07)

  • FMV on the async client is finally fixed.
  • Run a Black refactor

v1.2.4 - (2024-09-04)

  • Fix issues with FMV handler function, and sync client prefixes

v1.2.2 & 1.2.3 - (2024-09-02)

  • Add FMV (Fair Market Value) and Value (Indices) on the websocket streaming client
  • Improve Indices Support for websocket streaming

v1.2.1 - (2024-08-03)

  • Add Business websocket host as an enum

v1.2.0 - (2024-01-30)

  • Add support for all INDEX endpoints. Available as IndexClient

v1.1.6 - (2024-01-28)

  • Add missing feature - pagination on Technical Indicator endpoints. Thanks afestekjian for reporting it.

v1.1.4 - v1.1.5 - (2024-01-10)

  • Added second aggregate timespan as an enum. Thanks @Slade Wilson for letting me know.

v1.1.3 - (2023-11-14)

  • Gracefully handle JSON Parser issues (Thanks @MuradGithub for the contribution)
  • Add info log level handler to pagination methods (Thanks @MuradGithub for the contribution)
  • Add tos1 option symbol format. (Thanks @greko6 for bringing this up as #16)

v1.1.2 - (2023-09-24)

  • Fixed minor bug: Wrong underlying API call for get_macd. #14

v1.1.1 - (2023-09-21)

  • as_of parameter now supported on option contract endpoint
  • Restructure of requirements file and minor updates to documentation

v1.1.0 - (2022-09-13)

  • Added the new technical Indicator endpoints to library. Includes SMA, EMA, RSI and MACD. See docs for more details.

v1.0.9 - (2022-07-11)

  • Added Bulk Ticker Details. Thanks to @AlbusFrigoris for the suggestion.
  • Bulk download functions get their own page in the documentation. You may suggest new functions on our Discord Server
  • Forex and crypto documentations are merged into a single page.
  • Added the method get_dates_between and added custom timezone support to normalize_datetime.
  • Other internal changes that you don't care about

v1.0.8 - (2022-06-25)

  • Docs for this version are available Here
  • Removed orjson from REST clients, using .json() response method again due to a drop in multicore performance. Thanks to @Baker XBL for the reports.
  • The option symbology is UPDATED and BETTER than ever. Docs are re-written. Support for 6 symbol formats added.
  • added force_uppercase_symbols on both streamers to allow optionally disabling the upper case enforcement
  • The option symbology change is not backward compatible. Hence, I've decided to keep the documentation for v1.0.7 persistent. You can use the version switch on bottom left of documentation to navigate between documentation for different versions
  • If you were not using option symbology so far, you should not have any issues upgrading. If you were, just update existing code to use new structure (which is very similar so should be very quick to change)
  • Added the total downloads badge on GH readme

v1.0.7 - (2022-06-05)

  • Docs for this version are available Here
  • We now have an Official CHANGELOG. View it HERE. Thanks to @Baker XBL for the suggestion
  • The lib will now use orjson if it's installed for all JSON operations. orjson is no longer a required dependency for the library. Both uvloop and orjson are moved to optional extra dependencies. See here for more info
  • An issue with lt, gt, lte & gte filters was fixed. Thanks to @Baker XBL for the report & reproducible examples

1.0.6 - (2022-04-21)

  • option contract endpoint added to reference client. view here
  • All pagination methods now accept a verbose argument defaulting to False. Setting it to verbose=True will print relevant status messages about the underlying pagination process. Useful for people who don't trust me and want to know what exactly the lib is doing at a certain point in time.
  • Links to official documentation were broken due to a change by polygon.io, which restructured all links. (kinda don't like the new schema lol). That should be fixed. All methods now have correct direct specific links to their official counterparts.
  • some internal changes to how the lib handles timestamp and datetimes and dates. To know how to fine tune results, see relevant docs

v1.0.5 - (2022-03-04)

  • newly released options quotes endpoints are now included in the lib. They were released by polygon yesterday I believe. Both http and websocket streaming endpoints are covered
  • Some updates to interfacing around vX/v3 because polygon would deprecate a few older v2 endpoints tomorrow (mar 5th). To maintain backward compatibility, I have tried my best to raise relevant warnings.
  • other internal bug fixes which you don't care about :P

1.0.2 - (2022-02-06)

  • the better aggregates functionality is officially released & documented. gets a dedicated section in the docs . HUGE thanks to @Baker XBL for the suggestions and helping test it.
  • Other internal changes and fixes which, again, you don't care about :D

v1.0.1 - (2022-01-29)

  • The pagination functionality is officially released and documented here

1.0.0 - (2022-01-25)

  • Marks our FIRST Production Release
  • the powerful filter options of lt, lte, gt, gte (less than, less than or equal to and so on) is patched to work well. Thanks to @Slade Wilson for letting me know about the issue.
  • ThinkOrSwim dot notation parser fixed. thanks to @fatdragon and @Baker XBL for the inputs.
  • More control over timeouts and limits on httpx pool. Came across a limitation while helping in @AlbusFrigoris's use case. Suitable for highly concurrent async applications.

v0.9.8 - (2022-01-18)

  • added the new stock splits and stock dividends endpoints (V3 of both). deprecated the older ones.
  • ticker details vx is now ticker details v3 (damn it polygon, stop changing paths). all of the above endpoints are no longer experimental.
  • added support for dot notation for option symbols from tda (encountered when exporting any data from ThinkOrSwim or similar tools). thanks to @Slade Wilson for the suggestion
  • added a function to detect the option symbol format. recognises polygon standard, tda API and ThinkOrSwim dot notation. thanks to @Baker XBL for the suggestion.

0.9.6 - (2021-11-16)

  • added ALL options endpoints (newly released)

v0.9.5 - (2021-11-07)

  • Update the lib based on changes by polygon to endpoints

0.8.2 - (2021-10-20 )

  • Re-did the entire async interface.
  • The docs for this version are available here
  • It is highly suggested to upgrade if you're using this version. This was the only version which wasn't backward compatible

All past releases were meant for initial testings and MUST be upgraded to the latest version.