Go library containing a collection of financial functions for time value of money (annuities), cash flow, interest rate conversions, bonds and depreciation calculations.

go-finance GoDoc Go Report Card

Go library containing a collection of financial functions for time value of money (annuities), cash flow, interest rate conversions, bonds and depreciation calculations.

List of functions

Rates

Cashflow

TVM

Bonds

Depreciation

Docs

Checkout the full docs.

Also check this excellent blog post Learning finance concepts using go-finance for some examples and a general intro.

License

Mozilla Public License 2.0

Owner
Alejandro Pedraza
Alejandro Pedraza
https://github.com/alpeb/go-finance
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Comments
  • Add cashflow ScheduledInternalRateOfReturn

    Add cashflow ScheduledInternalRateOfReturn

    This is the implementation of Excel's XIRR function. It is very similar to IRR, the only difference being that this one takes payment dates into account.

    I also took the opportunity to make a small simplification to dNetPresentValue's formula.

    See: https://support.office.com/en-us/article/xirr-function-de1242ec-6477-445b-b11b-a303ad9adc9d See: https://support.office.com/en-us/article/xnpv-function-1b42bbf6-370f-4532-a0eb-d67c16b664b7

  • Test PriceDiscount() failed

    Test PriceDiscount() failed

    Running tool: /usr/local/go/bin/go test -timeout 30s -coverprofile=/var/folders/9r/2trm49kn7vxc6rx_2659xkx80000gn/T/vscode-goGuEEhk/go-code-cover github.com/alpeb/go-finance/fin

    --- FAIL: TestPriceDiscount (0.00s) /Users/tom/go/src/github.com/alpeb/go-finance/fin/bonds_test.go:130: PriceDiscount(1203120000, 1204329600, 0.052500, 100.000000, 0) = 99.781250 /Users/tom/go/src/github.com/alpeb/go-finance/fin/bonds_test.go:130: PriceDiscount(1203120000, 1204329600, 0.052500, 100.000000, 4) = 99.781250 FAIL coverage: 93.3% of statements FAIL github.com/alpeb/go-finance/fin 0.004s FAIL

  • Go-finance blog post

    Go-finance blog post

    Hey @alpeb ,

    I really liked your library and wrote a post about it here: https://blog.aawadia.dev/2020/11/30/finance-concepts-go-finance/

    Could I get a link in the readme for it? It can serve as documentation examples for the library

    Thanks!

  • logs should not start with upper case

    logs should not start with upper case

    https://github.com/golang/go/wiki/CodeReviewComments#error-strings

    Just about all of the log do not conform to idiomatic Go. Errors should not start with uppercase letters or end with punctuation.

    I will submit a PR for this in a min

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