[ '#NUM!', [4000, -46000], ['2015-01-04'], 0.1, ], 'Cash flows are all negative' => [ '#NUM!', [-4000, -46000], ['2015-01-04', '2019-06-27'], 0.1, ], 'Cash flows are all positive' => [ '#NUM!', [4000, 46000], ['2015-01-04', '2019-06-27'], 0.1, ], 'If any number in dates is not a valid date, returns the #VALUE! error value' => [ '#VALUE!', [4000, -46000], ['2015-01-04', '2019X06-27'], 0.1, ], 'If any entry in values is not numeric, returns the #VALUE! error value' => [ '#VALUE!', ['y', -46000], ['2015-01-04', '2019-06-27'], 0.1, ], 'If values is not an array, returns the #NUM! error value' => [ '#NUM!', -46000, ['2015-01-04', '2019-06-27'], 0.1, ], 'If dates is not an array but values is, returns the #NUM! error value' => [ '#NUM!', [4000, -46000], '2015-01-04', 0.1, ], 'If neither dates nor values is an array, returns the #N/A error value' => [ '#N/A', 4000, '2015-01-04', 0.1, ], 'Return VALUE error if guess is non-numeric' => [ '#VALUE!', [1893.67, 139947.43, 52573.25, 48849.74, 26369.16, -273029.18], ['2019-06-27', '2019-06-20', '2019-06-21', '2019-06-24', '2019-06-27', '2019-07-27'], 'XYZ', ], 'Dates can be in any order after all' => [ 0.137963527441025, [1893.67, 139947.43, 52573.25, 48849.74, 26369.16, -273029.18], ['2019-06-27', '2019-06-20', '2019-06-21', '2019-06-24', '2019-06-27', '2019-07-27'], 0.1, ], 'XIRR calculation #0 is incorrect' => [ 0.77868869226873, [4000, -46000], ['2015-04-01', '2019-06-27'], 0.1, ], 'issue 689' => [ -0.6118824173, [-1000000.706, 947003.58], ['2018-09-05', '2018-09-26'], ], 'issue 689 updated 2022-12-25' => [ -0.935842486, [-20972.36, 20350.545], ['2022-12-12', '2022-12-16'], ], 'XIRR calculation #1 is incorrect' => [ 0.137963527441025, [139947.43, 1893.67, 52573.25, 48849.74, 26369.16, -273029.18], ['2019-06-20', '2019-06-27', '2019-06-21', '2019-06-24', '2019-06-27', '2019-07-27'], 0.1, ], 'XIRR calculation #2 is incorrect' => [ 0.09999999, [100.0, -110.0], ['2019-06-12', '2020-06-11'], 0.1, ], 'XIRR calculation #3 is incorrect' => [ 3235.159644, [1.0, 1893.67, 52573.25, 48849.74, 26369.16, -273029.18], ['2019-06-27', '2019-06-27', '2019-06-21', '2019-06-24', '2019-06-27', '2019-07-27'], ], 'XIRR calculation #4 is incorrect' => [ 0.15467888, [1893.67, 139947.43, 52573.25, 48849.74, 26369.16, -273029.18], ['2019-06-20', '2019-06-27', '2019-06-21', '2019-06-24', '2019-06-27', '2019-07-27'], ], 'XIRR calculation #5 is incorrect' => [ -0.197387315, [-100, 20, 40, 25], ['2010-01-01', '2010-04-01', '2010-10-01', '2011-02-01'], ], 'XIRR calculation #6 is incorrect' => [ 3.434984565, [-10000, 2750, 4250, 3250, 2750, 46000], ['2008-01-01', '2008-03-01', '2008-10-30', '2009-02-15', '2009-04-01', '2009-06-01'], ], 'Substitute for guess=0' => [ 0.13796353, [139947.43, 1893.67, 52573.25, 48849.74, 26369.16, -273029.18], ['2019-06-20', '2019-06-27', '2019-06-21', '2019-06-24', '2019-06-27', '2019-07-27'], 0.00000, ], 'Substitute when guess is empty cell' => [ 0.13796353, [139947.43, 1893.67, 52573.25, 48849.74, 26369.16, -273029.18], ['2019-06-20', '2019-06-27', '2019-06-21', '2019-06-24', '2019-06-27', '2019-07-27'], 'C1', ], 'Can\'t find a result2 that works after FINANCIAL_MAX_ITERATIONS tries, the #NUM! error value is returned' => [ '#NUM!', [-10000, 10000, -10000, 5], ['2010-01-15', '2010-04-16', '2010-07-16', '2010-10-15'], ], 'See issue #2469 - non-convergence with initial guess' => [ -0.642307613, [55600, -51094.83], ['2021-11-24', '2021-12-24'], ], 'See issue #2469 - non-convergence with initial guess equal to correct answer' => [ -0.642307613, [55600, -51094.83], ['2021-11-24', '2021-12-24'], -0.642307613, ], 'Only one argument should cause exception' => [ 'exception', ['2021-11-24', '2021-12-24'], ], 'No argument should cause exception' => [ 'exception', ], 'DeCampo One year no growth' => [ 0, [-1000, 1000], ['2010-01-01', '2011-01-01'], ], 'DeCampo One year growth' => [ 0.1, [-1000, 1100], ['2010-01-01', '2011-01-01'], ], 'DeCampo One year decline' => [ -0.1, [-1000, 900], ['2010-01-01', '2011-01-01'], ], 'DeCampo vs spreadsheet' => [ 0.1212676, [-1000, -1000, -1000, -1000, 4300], ['2010-01-01', '2010-04-01', '2010-07-01', '2010-10-01', '2011-01-01'], ], 'DeCampo vs spreadsheet reordered' => [ 0.1212676, [-1000, 4300, -1000, -1000, -1000], ['2010-10-01', '2011-01-01', '2010-07-01', '2010-01-01', '2010-04-01'], ], 'DeCampo Over 100% growth' => [ 2.0, [-1000, 3000], ['2010-01-01', '2011-01-01'], ], 'DeCampo Total loss one year, agree with Excel not DeCampo' => [ '#NUM!', // -1.0, DeCampo accounts for this case, Excel doesn't [-1000, 0], ['2010-01-01', '2011-01-01'], ], 'DeCampo Total loss two years, agree with Excel not DeCampo' => [ '#NUM!', // -1.0, DeCampo accounts for this case, Excel doesn't [-1000, 0], ['2010-01-01', '2012-01-01'], ], 'DeCampo Readme example' => [ 0.2504234710540838, [-1000, -2500, -1000, 5050], ['2016-01-15', '2016-02-08', '2016-04-17', '2016-08-24'], ], 'DeCampo from nodejs' => [ 0.2126861, [-10000, 3027.25, 630.68, 2018.2, 1513.62, 1765.89, 4036.33, 4036.33, 1513.62, 1513.62, 2018.16, 1513.62, 1009.08, 1513.62, 1513.62, 1765.89, 1765.89, 22421.55], ['2000-05-24', '2000-06-05', '2001-04-09', '2004-02-24', '2005-03-18', '2006-02-15', '2007-01-10', '2007-11-14', '2008-12-17', '2010-01-15', '2011-01-14', '2012-02-03', '2013-01-18', '2014-01-24', '2015-01-30', '2016-01-22', '2017-01-20', '2017-06-05'], ], 'DeCampo issue5a, agree with DeCampo not Excel' => [ -0.7640294, // '#NUM!' [-2610, -2589, -5110, -2550, -5086, -2561, -5040, -2552, -2530, 29520], ['2001-06-22', '2001-07-03', '2001-07-05', '2001-07-06', '2001-07-09', '2001-07-10', '2001-07-12', '2001-07-13', '2001-07-16', '2001-07-17'], ], 'DeCampo issue5b, agree with DeCampo not Excel' => [ -0.8353404, // '#NUM!' [-2610, -2589, -5110, -2550, -5086, -2561, -5040, -2552, -2530, -9840, 38900], ['2001-06-22', '2001-07-03', '2001-07-05', '2001-07-06', '2001-07-09', '2001-07-10', '2001-07-12', '2001-07-13', '2001-07-16', '2001-07-17', '2001-07-18'], ], 'Python XIRR test line 20' => [ 412461.6383, [-100, 1000], ['2019-12-31', '2020-03-05'], ], 'Python XIRR test line 21' => [ 1.223853529e16, [-2236.3994659663, -47.3417585212, -46.52619316339632, 10424.74612565936, -13.077972551952], ['2017-12-16', '2017-12-26', '2017-12-29', '2017-12-31', '2017-12-20'], ], 'Python XIRR test line 39, agree with Python not Excel' => [ -1, // '#NUM!', [18902, 83600, -5780, -4080, -56780, -2210, -2380, 33975, 23067.98, -1619.57], ['2016-04-06', '2016-05-04', '2016-05-12', '2017-05-08', '2017-07-03', '2018-05-07', '2019-05-06', '2019-10-01', '2020-03-13', '2020-05-07'], ], 'Issue 3297, Excel gives wrong answer' => [ -.379332733303311, // 2.98023223876953E-09, [-19646.10172, -22288.58964, -1483.5, -12597.54406, -46629.45777, -2472.769, 0, -25616.37076, -30055.68344, 1038.5, -13621.9742, 13629.539, -36736.0694, -944.605609, -49020.77156, 27308.87082, -63912.64722, 8764.136, 3162, -23946.7257, -5428.8, -83899.24172, 58242.82346, -11147.78101, 287092.5749], ['2022-05-02', '2022-05-31', '2022-06-01', '2022-06-26', '2022-06-30', '2022-07-01', '2022-07-15', '2022-07-31', '2022-09-02', '2022-09-05', '2022-09-27', '2022-09-28', '2022-09-29', '2022-10-03', '2022-10-06', '2022-10-10', '2022-11-01', '2022-11-03', '2022-11-04', '2022-12-01', '2022-12-02', '2022-12-28', '2022-12-30', '2023-01-02', '2023-01-13'], ], ];