bbgo_origin/doc/release/v1.38.0.md

## Improvements

- [#849](https://github.com/c9s/bbgo/pull/849): optimizer: print equity diff in final report
- [#850](https://github.com/c9s/bbgo/pull/850): optimizer: calculate total number of grids before testing
- [#838](https://github.com/c9s/bbgo/pull/838): optimizer: improve: use marshal instead of marshal indent
- [#845](https://github.com/c9s/bbgo/pull/845): refactor: refactor standard indicator and add simple indicator interface
- [#825](https://github.com/c9s/bbgo/pull/825): refactor: new indicator api

## Strategies

- [#848](https://github.com/c9s/bbgo/pull/848): strategy/pivotshort: refactor trendEMA and add maxGradient config
- [#847](https://github.com/c9s/bbgo/pull/847): strategy/pivotshort: fine-tune and add more trade stats metrics
- [#846](https://github.com/c9s/bbgo/pull/846): strategy/pivotshort: refactor breaklow + add fake break stop
- [#834](https://github.com/c9s/bbgo/pull/834): strategy/pivotshort: add trade loss to the account value calculation
- [#833](https://github.com/c9s/bbgo/pull/833): strategy/pivotshort: fix margin quantity calculation
- [#840](https://github.com/c9s/bbgo/pull/840): strategy/supertrend: fix exit methods problem
- [#842](https://github.com/c9s/bbgo/pull/842): feature: bollmaker exit methods

## Fixes

- [#832](https://github.com/c9s/bbgo/pull/832): update: fix and update schedule strategy


[Full Changelog](https://github.com/c9s/bbgo/compare/v1.37.0...main)

 - [#849](https://github.com/c9s/bbgo/pull/849): optimizer: print equity diff in final report
 - [#850](https://github.com/c9s/bbgo/pull/850): optimizer: calculate total number of grids before testing
 - [#851](https://github.com/c9s/bbgo/pull/851): stabilize drift 
 - [#848](https://github.com/c9s/bbgo/pull/848): strategy/pivotshort: refactor trendEMA and add maxGradient config
 - [#847](https://github.com/c9s/bbgo/pull/847): strategy/pivotshort: fine-tune and add more trade stats metrics
 - [#846](https://github.com/c9s/bbgo/pull/846): strategy/pivotshort: refactor breaklow + add fake break stop
 - [#813](https://github.com/c9s/bbgo/pull/813): feature: drift study
 - [#844](https://github.com/c9s/bbgo/pull/844): strategy/pivotshort: refactor and update indicator api usage
 - [#845](https://github.com/c9s/bbgo/pull/845): refactor: refactor standard indicator and add simple indicator interface
 - [#843](https://github.com/c9s/bbgo/pull/843): fix splitted from feature/drift_study
 - [#822](https://github.com/c9s/bbgo/pull/822): refactor: ewoDgtrd: upgrade order executor api
 - [#842](https://github.com/c9s/bbgo/pull/842): feature: bollmaker exit methods
 - [#840](https://github.com/c9s/bbgo/pull/840): strategy/supertrend: fix exit methods problem
 - [#838](https://github.com/c9s/bbgo/pull/838): improve: use marshal instead of marshal indent
 - [#837](https://github.com/c9s/bbgo/pull/837): risk: add account value calculator test case
 - [#836](https://github.com/c9s/bbgo/pull/836): refactor: risk functions for leveraged quantity
 - [#834](https://github.com/c9s/bbgo/pull/834): fix: strategy/pivotshort: add trade loss to the account value calculation
 - [#833](https://github.com/c9s/bbgo/pull/833): fix: strategy/pivotshort: fix margin quantity calculation
 - [#825](https://github.com/c9s/bbgo/pull/825): refactor: new indicator api
 - [#831](https://github.com/c9s/bbgo/pull/831): feature: api: add strategy defaulter interface
 - [#832](https://github.com/c9s/bbgo/pull/832): update: fix and update schedule strategy