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Example code of ksfraser/portfolio-math

Informations about the package portfolio-math

ksfraser/portfolio-math

Shared portfolio performance calculation library for the KSF stack.

What It Is

A Composer package implementing portfolio performance algorithms extracted from portfolio-performance/portfolio. All business logic lives here; app-layer wrappers (stockmarket, ksfii_app, FrontAccounting) only map data to the interfaces and display results.

Consuming Apps

App Role
ksf_stockmarket PHP/Apache bare-metal; computes TWR/IRR for holdings dashboard
ksfii_app WealthSystem forecasting; consumes performance metrics for scenarios
FrontAccounting (ksf-fa) Pulls GL transactions → feeds package → dashboard widget

Facilities

Feature Class
TWR (True Time-Weighted Return) KSF\Performance\Services\TWRCalculatorService
IRR (Internal Rate of Return) KSF\Performance\Services\IRRCalculatorService
Max Drawdown KSF\Performance\Services\DrawdownCalculatorService
Volatility / Semi-deviation KSF\Performance\Services\VolatilityCalculatorService

Composability

Apps write an adapter that implements TransactionRepositoryInterface:

Then:

Installation

Tests

Target: 16/16 pass.

Notes

All versions of portfolio-math with dependencies

PHP Build Version
Package Version
Requires php Version >=7.4
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