github.com/sdcoffey/techan

Releases

1. v0.13.029 May 2026
   Release notes

   0.13.0

   • BREAKING: Raise the minimum supported Go version from 1.12 to 1.21.
   • Replace Travis CI with GitHub Actions and test Go 1.21 through 1.26.
   • Fix stop-loss percentage calculations for multi-unit orders and short positions (fixes #8).
   • Fix trendline divide-by-zero behavior for sparse windows.
   • Add cache invalidation support for built-in cached indicators.
   • Document SMA and EMA warm-up behavior.
   • Harden analysis helpers for empty records, invalid periods, zero cost basis, and short trades.
   • Update Go module dependencies, including github.com/sdcoffey/big to v0.8.0 and github.com/stretchr/testify to v1.11.1.

   Open source →
   Release notes2 sources agree

   • BREAKING: Raise the minimum supported Go version from 1.12 to 1.21.
   • Replace Travis CI with GitHub Actions and test Go 1.21 through 1.26.
   • Fix stop-loss percentage calculations for multi-unit orders and short positions (fixes #8).
   • Fix trendline divide-by-zero behavior for sparse windows.
   • Add cache invalidation support for built-in cached indicators.
   • Document SMA and EMA warm-up behavior.
   • Harden analysis helpers for empty records, invalid periods, zero cost basis, and short trades.
   • Update Go module dependencies, including github.com/sdcoffey/big to v0.8.0 and github.com/stretchr/testify to v1.11.1.

   Open source →
2. v0.12.2-0.20211117160920-e192d24cb69317 Nov 2021pre-release

   Nothing published for this version

3. v0.12.2-0.20210909163305-decf0c3039079 Sept 2021pre-release

   Nothing published for this version

4. v0.12.2-0.20210717163839-413450c5726417 Jul 2021pre-release

   Nothing published for this version

5. v0.12.117 Jul 2021
   Release notes2 sources agree

   • Fixes EMA window calculation (thanks @danhenke and @joelnordell!)

   Open source →
6. v0.12.1-0.20210317020504-572c478f546e17 Mar 2021pre-release

   Nothing published for this version

7. v0.12.1-0.20210306174445-a2f4ef854b8a6 Mar 2021pre-release

   Nothing published for this version

8. v0.12.1-0.20210304162713-2dafa96bfcf24 Mar 2021pre-release

   Nothing published for this version

9. v0.12.1-0.20210303171655-5b34605360923 Mar 2021pre-release

   Nothing published for this version

10. v0.12.1-0.20210227183834-76d6034412cf27 Feb 2021pre-release

    Nothing published for this version

11. v0.12.021 Oct 2020
    Release notes2 sources agree

    • Add MaximumValue and MinimumValue Indicators
    • Add MaximumDrawdownIndicator.

    Open source →
12. v0.11.012 Sept 2020
    Release notes2 sources agree

    • Add BollingerUpperBandIndicator and BollingerLowerBandIndicator (thanks @shkim!)

    Open source →
13. v0.10.031 Dec 2019
    Release notes2 sources agree

    • Add TimePeriod#In to modify timezone information
    • Add TimePeriod#UTC to set location to UTC

    Open source →
14. v0.9.021 Dec 2019
    Release notes2 sources agree

    • Add AroonIndicator
    • Deprecate Parse for time periods, introduce ParseTimePeriod

    Open source →
15. v0.8.04 Dec 2019
    Release notes2 sources agree

    • Add MMAIndicator
    • Add GainIndicator
    • Add LossIndicator
    • Fix bug in RSI calculation (fixes #13)

    Open source →
16. v0.7.126 Nov 2019
    Release notes2 sources agree

    • Fix bug in trendline indicator to prevent low-end index-OOB errors

    Open source →
17. v0.7.025 Nov 2019
    Release notes2 sources agree

    • Add Trendline indicator
    • Update big to v0.4.1

    Open source →
18. v0.0.0-20211117160920-e192d24cb69317 Nov 2021pre-release

    Nothing published for this version

19. v0.0.0-20190712174126-35e5bd2670c712 Jul 2019pre-release

    Nothing published for this version

20. v0.0.0-20190619051339-346364d513b219 Jun 2019pre-release

    Nothing published for this version

21. v0.0.0-20190413154409-69f92bf61a6213 Apr 2019pre-release

    Nothing published for this version

22. v0.0.0-20180416160254-e00a0328927e16 Apr 2018pre-release

    Nothing published for this version

23. v0.0.0-20180412172727-56892fb2b1b512 Apr 2018pre-release

    Nothing published for this version

24. v0.0.0-20180406201631-e6f6df82ffb76 Apr 2018pre-release

    Nothing published for this version

25. v0.0.0-20180403183541-21922a7dea573 Apr 2018pre-release

    Nothing published for this version

26. v0.0.0-20180330205343-5264412c229130 Mar 2018pre-release

    Nothing published for this version