{"library":"pyxirr","title":"PyXIRR Financial Functions","description":"PyXIRR is a Rust-powered Python library offering a fast and precise collection of financial functions, including XIRR, XNPV, IRR, FV, NPV, and more. It is actively maintained with frequent minor releases, currently at version 0.10.8.","language":"python","status":"active","last_verified":"Fri May 15","install":{"commands":["pip install pyxirr"],"cli":null},"imports":["from pyxirr import xirr","from pyxirr import DayCount","import pyxirr\npyxirr.fv(...)"],"auth":{"required":false,"env_vars":[]},"quickstart":{"code":"from datetime import date\nfrom pyxirr import xirr\n\ndates = [\n    date(2020, 1, 1),\n    date(2021, 1, 1),\n    date(2022, 1, 1)\n]\namounts = [-1000, 750, 500]\n\n# Calculate XIRR with columnar data\nresult = xirr(dates, amounts)\nprint(f\"Calculated XIRR: {result:.4f}\")\n\n# XIRR also accepts iterables of tuples or pandas DataFrames\n# from pyxirr import xnpv\n# npv_result = xnpv(0.05, dates, amounts)\n# print(f\"Calculated XNPV: {npv_result:.2f}\")","lang":"python","description":"This example demonstrates how to calculate the Extended Internal Rate of Return (XIRR) using a list of dates and corresponding cash flow amounts. PyXIRR functions can accept various input formats, including separate lists, iterables of tuples, NumPy arrays, or pandas DataFrames.","tag":null,"tag_description":null,"last_tested":null,"results":[]},"compatibility":{"tag":null,"tag_description":null,"last_tested":"2026-05-15","installed_version":"0.10.8","pypi_latest":"0.10.8","is_stale":false,"summary":{"python_range":"3.10–3.9","success_rate":100,"avg_install_s":1.7,"avg_import_s":0,"wheel_type":"wheel"},"results":[{"runtime":"python:3.10-alpine","python_version":"3.10","os_libc":"alpine (musl)","variant":"pyxirr","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"clean","install_time_s":null,"import_time_s":0,"mem_mb":0,"disk_size":"19.4M"},{"runtime":"python:3.10-slim","python_version":"3.10","os_libc":"slim (glibc)","variant":"pyxirr","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"clean","install_time_s":1.7,"import_time_s":0,"mem_mb":0,"disk_size":"20M"},{"runtime":"python:3.11-alpine","python_version":"3.11","os_libc":"alpine (musl)","variant":"pyxirr","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"clean","install_time_s":null,"import_time_s":0,"mem_mb":0,"disk_size":"21.3M"},{"runtime":"python:3.11-slim","python_version":"3.11","os_libc":"slim (glibc)","variant":"pyxirr","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"clean","install_time_s":1.7,"import_time_s":0,"mem_mb":0,"disk_size":"21M"},{"runtime":"python:3.12-alpine","python_version":"3.12","os_libc":"alpine (musl)","variant":"pyxirr","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"clean","install_time_s":null,"import_time_s":0,"mem_mb":0,"disk_size":"13.1M"},{"runtime":"python:3.12-slim","python_version":"3.12","os_libc":"slim (glibc)","variant":"pyxirr","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"clean","install_time_s":1.5,"import_time_s":0,"mem_mb":0,"disk_size":"13M"},{"runtime":"python:3.13-alpine","python_version":"3.13","os_libc":"alpine (musl)","variant":"pyxirr","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"clean","install_time_s":null,"import_time_s":0,"mem_mb":0.2,"disk_size":"12.9M"},{"runtime":"python:3.13-slim","python_version":"3.13","os_libc":"slim (glibc)","variant":"pyxirr","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"clean","install_time_s":1.5,"import_time_s":0,"mem_mb":0,"disk_size":"13M"},{"runtime":"python:3.9-alpine","python_version":"3.9","os_libc":"alpine (musl)","variant":"pyxirr","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"clean","install_time_s":null,"import_time_s":0,"mem_mb":0,"disk_size":"18.9M"},{"runtime":"python:3.9-slim","python_version":"3.9","os_libc":"slim (glibc)","variant":"pyxirr","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"clean","install_time_s":2,"import_time_s":0,"mem_mb":0,"disk_size":"19M"}]}}