Dynamic Growth Formula with Varying Time Periods

H

HeresRandy

New Member
Joined
Dec 18, 2018
Messages
1
Hi there,

Thanks in advance for the help!

What I need to do: I have investments that will be made in increments (in this case $15 total invested across five $3 increments in consecutive quarters starting with 3/31/2018). Once invested, each increment will grow beginning in the next quarter assuming straight line growth to a certain multiple (in this case 3 times: $45 total after all growth) until the entire investment is exited in 12/31/2020. In this example the first increment of 3 will grow to 9 by taking the growth of 6 and dividing by the number of periods of growth (11). The next increment of 3 will grow to 9 by taking the growth of 6 and dividing by the number of periods of growth (10), etc...

The problem: I need to show this growth quarterly on one line as its part of a much larger model. Additionally, I need to build the formula such that exit date and multiple are dynamic, as are the potential number of increments and amounts.

The example: I have been able to build out a very ugly and static model to illustrate what I would like to do in a dynamic formula, as per below. The red line is the dynamic formula I am attempting to solve for. This is only a small sample set and will need to be done across hundreds of investments and over 50 years worth of time periods so manually just doesnt make sense here.

Excel 2010
ABCDEFGHIJKLMNOPQR
Inputs
Invested
IncrementsDate
1st IncrementInvested
Exit DateDistributed
Exit MultipleNAV Growth

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[TD="align: right"]15[/TD]
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[TD="align: center"]4[/TD]

[TD="align: right"]5[/TD]
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[TD="align: right"]3/31/2018[/TD]
[TD="align: right"]6/30/2018[/TD]
[TD="align: right"]9/30/2018[/TD]
[TD="align: right"]12/31/2018[/TD]
[TD="align: right"]3/31/2019[/TD]
[TD="align: right"]6/30/2019[/TD]
[TD="align: right"]9/30/2019[/TD]
[TD="align: right"]12/31/2019[/TD]
[TD="align: right"]3/31/2020[/TD]
[TD="align: right"]6/30/2020[/TD]
[TD="align: right"]9/30/2020[/TD]
[TD="align: right"]12/31/2020[/TD]
[TD="align: right"]3/31/2021[/TD]
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[TD="align: center"]5[/TD]

[TD="align: right"]3/31/2018[/TD]
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[TD="align: center"]6[/TD]

[TD="align: right"]12/31/2020[/TD]
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[TD="align: right"]-45[/TD]
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[TD="align: center"]7[/TD]

[TD="align: right"]3.0x[/TD]
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[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=FF0000]#FF0000[/URL] , align: right"]3[/TD]
[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=FF0000]#FF0000[/URL] , align: right"] 3.545 [/TD]
[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=FF0000]#FF0000[/URL] , align: right"] 4.145 [/TD]
[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=FF0000]#FF0000[/URL] , align: right"] 4.812 [/TD]
[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=FF0000]#FF0000[/URL] , align: right"] 5.562 [/TD]
[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=FF0000]#FF0000[/URL] , align: right"] 3.419 [/TD]
[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=FF0000]#FF0000[/URL] , align: right"] 3.419 [/TD]
[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=FF0000]#FF0000[/URL] , align: right"] 3.419 [/TD]
[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=FF0000]#FF0000[/URL] , align: right"] 3.419 [/TD]
[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=FF0000]#FF0000[/URL] , align: right"] 3.419 [/TD]
[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=FF0000]#FF0000[/URL] , align: right"] 3.419 [/TD]
[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=FF0000]#FF0000[/URL] , align: right"] 3.419 [/TD]
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[TD="align: center"]8[/TD]
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[TD="align: right"]Totals[/TD]

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[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=FFFF00]#FFFF00[/URL] "]=(($F$5*$B$7)-$F$5)/MATCH($B$6,$G$4:$R$4,0)[/TD]
[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=FFFF00]#FFFF00[/URL] , align: right"][/TD]
[TD="align: right"]3[/TD]
[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=FFFF00]#FFFF00[/URL] , align: right"] 0.545 [/TD]
[TD="align: right"] 0.545 [/TD]
[TD="align: right"] 0.545 [/TD]
[TD="align: right"] 0.545 [/TD]
[TD="align: right"] 0.545 [/TD]
[TD="align: right"] 0.545 [/TD]
[TD="align: right"] 0.545 [/TD]
[TD="align: right"] 0.545 [/TD]
[TD="align: right"] 0.545 [/TD]
[TD="align: right"] 0.545 [/TD]
[TD="align: right"] 0.545 [/TD]
[TD="align: right"][/TD]
[TD="bgcolor: #00B0F0"]9[/TD]

[TD="align: center"]10[/TD]
[TD="align: right"][/TD]
[TD="align: right"][/TD]
[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=C5D9F1]#C5D9F1[/URL] "]=(($G$5*$B$7)-$G$5)/MATCH($B$6,$H$4:$R$4,0)[/TD]
[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=C5D9F1]#C5D9F1[/URL] , align: right"][/TD]
[TD="align: right"][/TD]
[TD="align: right"]3[/TD]
[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=B8CCE4]#B8CCE4[/URL] , align: right"] 0.600 [/TD]
[TD="align: right"] 0.600 [/TD]
[TD="align: right"] 0.600 [/TD]
[TD="align: right"] 0.600 [/TD]
[TD="align: right"] 0.600 [/TD]
[TD="align: right"] 0.600 [/TD]
[TD="align: right"] 0.600 [/TD]
[TD="align: right"] 0.600 [/TD]
[TD="align: right"] 0.600 [/TD]
[TD="align: right"] 0.600 [/TD]
[TD="align: right"][/TD]
[TD="bgcolor: #00B0F0"]9[/TD]

[TD="align: center"]11[/TD]
[TD="align: right"][/TD]
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[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=D8E4BC]#D8E4BC[/URL] "]=(($H$5*$B$7)-$H$5)/MATCH($B$6,$I$4:$R$4,0)[/TD]
[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=D8E4BC]#D8E4BC[/URL] , align: right"][/TD]
[TD="align: right"][/TD]
[TD="align: right"][/TD]
[TD="align: right"]3[/TD]
[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=D8E4BC]#D8E4BC[/URL] , align: right"] 0.667 [/TD]
[TD="align: right"] 0.667 [/TD]
[TD="align: right"] 0.667 [/TD]
[TD="align: right"] 0.667 [/TD]
[TD="align: right"] 0.667 [/TD]
[TD="align: right"] 0.667 [/TD]
[TD="align: right"] 0.667 [/TD]
[TD="align: right"] 0.667 [/TD]
[TD="align: right"] 0.667 [/TD]
[TD="align: right"][/TD]
[TD="bgcolor: #00B0F0"]9[/TD]

[TD="align: center"]12[/TD]
[TD="align: right"][/TD]
[TD="align: right"][/TD]
[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=E6B8B7]#E6B8B7[/URL] "]=(($I$5*$B$7)-$I$5)/MATCH($B$6,$J$4:$R$4,0)[/TD]
[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=E6B8B7]#E6B8B7[/URL] , align: right"][/TD]
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[TD="align: right"]3[/TD]
[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=E6B8B7]#E6B8B7[/URL] , align: right"] 0.750 [/TD]
[TD="align: right"] 0.750 [/TD]
[TD="align: right"] 0.750 [/TD]
[TD="align: right"] 0.750 [/TD]
[TD="align: right"] 0.750 [/TD]
[TD="align: right"] 0.750 [/TD]
[TD="align: right"] 0.750 [/TD]
[TD="align: right"] 0.750 [/TD]
[TD="align: right"][/TD]
[TD="bgcolor: #00B0F0"]9[/TD]

[TD="align: center"]13[/TD]
[TD="align: right"][/TD]
[TD="align: right"][/TD]
[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=C4BD97]#C4BD97[/URL] "]=(($J$5*$B$7)-$J$5)/MATCH($B$6,$K$4:$R$4,0)[/TD]
[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=C4BD97]#C4BD97[/URL] , align: right"][/TD]
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[TD="align: right"]3[/TD]
[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=C4BD97]#C4BD97[/URL] , align: right"] 0.857 [/TD]
[TD="align: right"] 0.857 [/TD]
[TD="align: right"] 0.857 [/TD]
[TD="align: right"] 0.857 [/TD]
[TD="align: right"] 0.857 [/TD]
[TD="align: right"] 0.857 [/TD]
[TD="align: right"] 0.857 [/TD]
[TD="align: right"][/TD]
[TD="bgcolor: #00B0F0"]9[/TD]

</tbody>
Sheet1​



Many Thanks!!
Randy
 

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