Ben Stein Long Term Portfolio vs David Swensen Lazy Portfolio Portfolio Comparison

Simulation Settings
Period: January 1985 - February 2025 (~40 years)
Consolidated Returns as of 28 February 2025
Rebalancing: at every Jan 1st
Currency: USD
Inflation: US
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Results
30 Years
All (since January 1985)
Inflation Adjusted:
Ben Stein Long Term Portfolio
1.00$
Initial Capital
March 1995
9.78$
Final Capital
February 2025
7.90%
Yearly Return
12.44%
Std Deviation
-45.92%
Max Drawdown
42months
Recovery Period
1.00$
Initial Capital
March 1995
4.61$
Final Capital
February 2025
5.23%
Yearly Return
12.44%
Std Deviation
-46.81%
Max Drawdown
66months
Recovery Period
1.00$
Initial Capital
January 1985
36.91$
Final Capital
February 2025
9.40%
Yearly Return
12.29%
Std Deviation
-45.92%
Max Drawdown
42months
Recovery Period
1.00$
Initial Capital
January 1985
12.17$
Final Capital
February 2025
6.42%
Yearly Return
12.29%
Std Deviation
-46.81%
Max Drawdown
66months
Recovery Period
David Swensen Lazy Portfolio
1.00$
Initial Capital
March 1995
10.93$
Final Capital
February 2025
8.30%
Yearly Return
10.90%
Std Deviation
-40.89%
Max Drawdown
38months
Recovery Period
1.00$
Initial Capital
March 1995
5.16$
Final Capital
February 2025
5.62%
Yearly Return
10.90%
Std Deviation
-41.86%
Max Drawdown
40months
Recovery Period
1.00$
Initial Capital
January 1985
38.01$
Final Capital
February 2025
9.48%
Yearly Return
10.75%
Std Deviation
-40.89%
Max Drawdown
38months
Recovery Period
1.00$
Initial Capital
January 1985
12.54$
Final Capital
February 2025
6.50%
Yearly Return
10.75%
Std Deviation
-41.86%
Max Drawdown
40months
Recovery Period

As of February 2025, in the previous 30 Years, the Ben Stein Long Term Portfolio obtained a 7.90% compound annual return, with a 12.44% standard deviation. It suffered a maximum drawdown of -45.92% that required 42 months to be recovered.

As of February 2025, in the previous 30 Years, the David Swensen Lazy Portfolio obtained a 8.30% compound annual return, with a 10.90% standard deviation. It suffered a maximum drawdown of -40.89% that required 38 months to be recovered.

Disclaimer: The simulations on this website are provided in good faith but should NOT be taken as investment advice. We are not liable for any errors or actions based on this information. The authors of the website are not affiliated with the portfolio creators, who are the sole owners of their intellectual property. The translation of asset allocations into ETFs is based on the interpretation of LazyPortfolioETF.com and may not exactly reflect the original intent of the portfolio creators. Content is for informational, educational, illustrative, and entertainment purposes only.
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Asset Allocations and ETFs

The compared portfolios have the following asset allocations.

Ben Stein Long Term Portfolio
Weight
(%)
ETF
Ticker
Name
30.00
VTI
Vanguard Total Stock Market
20.00
EFA
iShares MSCI EAFE
10.00
EEM
iShares MSCI Emerging Markets
10.00
IJS
iShares S&P Small-Cap 600 Value
10.00
VNQ
Vanguard Real Estate
20.00
BIL
SPDR Blmbg Barclays 1-3 Mth T-Bill
David Swensen Lazy Portfolio
Weight
(%)
ETF
Ticker
Name
30.00
VTI
Vanguard Total Stock Market
20.00
VNQ
Vanguard Real Estate
15.00
VEU
Vanguard FTSE All-World ex-US
5.00
EEM
iShares MSCI Emerging Markets
15.00
IEI
iShares 3-7 Year Treasury Bond
15.00
TIP
iShares TIPS Bond
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Portfolio Returns as of Feb 28, 2025

Returns are calculated in USD, assuming:
  • no fees or capital gain taxes.
  • rebalancing: at every Jan 1st.
  • dividend reinvestment, when applicable.
RETURN COMPARISON
Period: 1 January 1985 - 28 February 2025 (~40 years)
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Return (%) as of Feb 28, 2025
YTD
(2M)
1M 6M 1Y 5Y 10Y 30Y MAX
(~40Y)
//www.lazyportfolioetf.com/wp-content/themes/dynamico-child/img/author/avatar_ben_stein.webp Long Term Portfolio
Ben Stein
2.54 0.04 2.37 11.40 9.31 6.98 7.90 9.40
//www.lazyportfolioetf.com/wp-content/themes/dynamico-child/img/author/avatar_david_swensen.webp Lazy Portfolio
David Swensen
3.28 1.11 2.59 12.00 7.63 6.42 8.30 9.48
Return over 1 year are annualized.
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Capital Growth as of Feb 28, 2025

Ben Stein Long Term Portfolio: an investment of 1$, since March 1995, now would be worth 9.78$, with a total return of 877.71% (7.90% annualized).

David Swensen Lazy Portfolio: an investment of 1$, since March 1995, now would be worth 10.93$, with a total return of 993.15% (8.30% annualized).


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Ben Stein Long Term Portfolio: an investment of 1$, since January 1985, now would be worth 36.91$, with a total return of 3590.96% (9.40% annualized).

David Swensen Lazy Portfolio: an investment of 1$, since January 1985, now would be worth 38.01$, with a total return of 3701.44% (9.48% annualized).


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Portfolio Metrics as of Feb 28, 2025

The following metrics, updated as of 28 February 2025, provide an overview of performance and risk, with the best value in each row highlighted within the table.

METRIC COMPARISON
Period: 1 March 2024 - 28 February 2025 (1 year)
Period: 1 March 2020 - 28 February 2025 (5 years)
Period: 1 March 2015 - 28 February 2025 (10 years)
Period: 1 March 1995 - 28 February 2025 (30 years)
Period: 1 January 1985 - 28 February 2025 (~40 years)
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Long Term Portfolio Lazy Portfolio
Author Ben Stein David Swensen
ASSET ALLOCATION
Stocks 80% 70%
Fixed Income 20% 30%
Commodities 0% 0%
PERFORMANCES
Annualized Return (%) 11.40 12.00
Infl. Adjusted Return (%) 8.34 8.92
DRAWDOWN
Deepest Drawdown Depth (%) -3.34 -3.79
Start to Recovery (months) 2 3
Longest Drawdown Depth (%) -3.18 -3.50
Start to Recovery (months) 3* 3*
Longest Negative Period (months) 4 4
Drawdowns / Negative periods marked with * are in progress
RISK INDICATORS
Standard Deviation (%) 8.33 8.69
Sharpe Ratio 0.77 0.81
Sortino Ratio 0.96 0.96
Ulcer Index 1.43 1.62
Ratio: Return / Standard Deviation 1.37 1.38
Ratio: Return / Deepest Drawdown 3.42 3.17
Metrics calculated over the period 1 March 2024 - 28 February 2025
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Long Term Portfolio Lazy Portfolio
Author Ben Stein David Swensen
ASSET ALLOCATION
Stocks 80% 70%
Fixed Income 20% 30%
Commodities 0% 0%
PERFORMANCES
Annualized Return (%) 9.31 7.63
Infl. Adjusted Return (%) 4.81 3.20
DRAWDOWN
Deepest Drawdown Depth (%) -20.52 -22.43
Start to Recovery (months) 26 31
Longest Drawdown Depth (%) -20.52 -22.43
Start to Recovery (months) 26 31
Longest Negative Period (months) 32 34
RISK INDICATORS
Standard Deviation (%) 14.06 13.34
Sharpe Ratio 0.49 0.39
Sortino Ratio 0.65 0.51
Ulcer Index 6.95 8.82
Ratio: Return / Standard Deviation 0.66 0.57
Ratio: Return / Deepest Drawdown 0.45 0.34
Metrics calculated over the period 1 March 2020 - 28 February 2025
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Long Term Portfolio Lazy Portfolio
Author Ben Stein David Swensen
ASSET ALLOCATION
Stocks 80% 70%
Fixed Income 20% 30%
Commodities 0% 0%
PERFORMANCES
Annualized Return (%) 6.98 6.42
Infl. Adjusted Return (%) 3.74 3.21
DRAWDOWN
Deepest Drawdown Depth (%) -20.52 -22.43
Start to Recovery (months) 26 31
Longest Drawdown Depth (%) -20.52 -22.43
Start to Recovery (months) 26 31
Longest Negative Period (months) 34 34
RISK INDICATORS
Standard Deviation (%) 12.03 11.00
Sharpe Ratio 0.44 0.43
Sortino Ratio 0.59 0.57
Ulcer Index 5.92 6.67
Ratio: Return / Standard Deviation 0.58 0.58
Ratio: Return / Deepest Drawdown 0.34 0.29
Metrics calculated over the period 1 March 2015 - 28 February 2025
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Long Term Portfolio Lazy Portfolio
Author Ben Stein David Swensen
ASSET ALLOCATION
Stocks 80% 70%
Fixed Income 20% 30%
Commodities 0% 0%
PERFORMANCES
Annualized Return (%) 7.90 8.30
Infl. Adjusted Return (%) 5.23 5.62
DRAWDOWN
Deepest Drawdown Depth (%) -45.92 -40.89
Start to Recovery (months) 42 38
Longest Drawdown Depth (%) -45.92 -40.89
Start to Recovery (months) 42 38
Longest Negative Period (months) 110 62
RISK INDICATORS
Standard Deviation (%) 12.44 10.90
Sharpe Ratio 0.45 0.55
Sortino Ratio 0.58 0.71
Ulcer Index 9.46 7.43
Ratio: Return / Standard Deviation 0.63 0.76
Ratio: Return / Deepest Drawdown 0.17 0.20
Metrics calculated over the period 1 March 1995 - 28 February 2025
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Long Term Portfolio Lazy Portfolio
Author Ben Stein David Swensen
ASSET ALLOCATION
Stocks 80% 70%
Fixed Income 20% 30%
Commodities 0% 0%
PERFORMANCES
Annualized Return (%) 9.40 9.48
Infl. Adjusted Return (%) 6.42 6.50
DRAWDOWN
Deepest Drawdown Depth (%) -45.92 -40.89
Start to Recovery (months) 42 38
Longest Drawdown Depth (%) -45.92 -40.89
Start to Recovery (months) 42 38
Longest Negative Period (months) 110 62
RISK INDICATORS
Standard Deviation (%) 12.29 10.75
Sharpe Ratio 0.51 0.59
Sortino Ratio 0.66 0.76
Ulcer Index 8.53 6.74
Ratio: Return / Standard Deviation 0.77 0.88
Ratio: Return / Deepest Drawdown 0.20 0.23
Metrics calculated over the period 1 January 1985 - 28 February 2025
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Drawdowns

A drawdown refers to the decline in value from a relative peak value to a relative trough. A maximum drawdown is the maximum observed loss from a peak to a trough of a portfolio before a new peak is attained.

DRAWDOWN COMPARISON
Period: 1 March 1995 - 28 February 2025 (30 years)
Period: 1 January 1985 - 28 February 2025 (~40 years)

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Long Term Portfolio Lazy Portfolio
Drawdown
(%)
Recovery
(#Months)
From
To
Drawdown
(%)
Recovery
(#Months)
From
To
-45.92 42 Nov 2007
Apr 2011
-40.89 38 Nov 2007
Dec 2010
-23.11 39 Sep 2000
Nov 2003
-22.43 31 Jan 2022
Jul 2024
-20.52 26 Jan 2022
Feb 2024
-19.33 11 Jan 2020
Nov 2020
-16.94 19 May 2011
Nov 2012
-15.80 11 May 1998
Mar 1999
-14.66 7 Feb 2020
Aug 2020
-12.40 10 May 2011
Feb 2012
-11.28 9 Apr 1998
Dec 1998
-10.70 8 Sep 2018
Apr 2019
-10.67 33 Sep 2000
May 2003
-9.84 14 Jun 2015
Jul 2016
-8.18 7 Sep 2018
Mar 2019

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Long Term Portfolio Lazy Portfolio
Drawdown
(%)
Recovery
(#Months)
From
To
Drawdown
(%)
Recovery
(#Months)
From
To
-45.92 42 Nov 2007
Apr 2011
-40.89 38 Nov 2007
Dec 2010
-23.11 39 Sep 2000
Nov 2003
-22.43 31 Jan 2022
Jul 2024
-20.52 26 Jan 2022
Feb 2024
-20.11 17 Sep 1987
Jan 1989
-19.33 11 Jan 2020
Nov 2020
-16.94 19 May 2011
Nov 2012
-16.20 16 Sep 1987
Dec 1988
-15.80 11 May 1998
Mar 1999
-15.40 14 Jan 1990
Feb 1991
-14.66 7 Feb 2020
Aug 2020
-12.63 14 Jan 1990
Feb 1991
-12.40 10 May 2011
Feb 2012
-11.28 9 Apr 1998
Dec 1998

Rolling Returns

By selecting the 'Rolling Period', the chart and data will update. To study a different date range, change the Simulation Settings.

You can explore the Rolling Returns for a single portfolio, or check the return differential, by switching on "Head To Head" toggle.

Rolling Returns Comparison
Annualized Rolling Returns Chart
Rolling Returns Chart - Inflation Adjusted
Time Period: 1 January 1985 - 28 February 2025 (~40 years)


Head To Head (Ptf 1 vs Ptf 2):
US Inflation Adjusted:

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Yearly Returns

For each year, the following table provides the return and intra-year drawdown. The highlighted returns represent the highest values for that specific year.

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Long Term Portfolio Lazy Portfolio
Year Return
(%)
Drawdown
(%)
Return
(%)
Drawdown
(%)
2025
2.54 0.00 3.28 0.00
2024
10.74 -3.34 9.78 -3.79
2023
16.02 -8.92 14.13 -8.59
2022
-14.26 -20.52 -17.86 -22.43
2021
16.72 -3.20 17.34 -3.57
2020
9.40 -19.33 10.56 -14.66
2019
21.13 -4.75 21.27 -2.73
2018
-7.39 -10.70 -5.67 -8.18
2017
16.88 0.00 13.94 0.00
2016
9.22 -4.80 7.74 -3.13
2015
-2.18 -8.57 -0.95 -6.84
2014
5.91 -3.45 9.97 -3.50
2013
18.10 -2.66 10.89 -4.57
2012
14.19 -7.09 13.49 -4.74
2011
-3.35 -16.94 2.21 -12.40
2010
13.80 -10.43 15.37 -7.79
2009
26.25 -17.28 24.86 -16.73
2008
-30.51 -33.62 -25.53 -30.78
2007
5.66 -5.92 5.59 -4.67
2006
19.42 -3.62 17.84 -2.82
2005
10.21 -3.30 8.97 -2.65
2004
15.66 -4.29 16.10 -5.90
2003
30.79 -3.98 26.85 -1.91
2002
-10.67 -17.62 -3.41 -9.34
2001
-4.80 -15.85 -1.71 -9.38
2000
-2.79 -8.99 3.13 -5.95
1999
21.76 -2.43 12.70 -3.25
1998
7.54 -15.80 8.13 -11.28
1997
13.81 -4.54 15.35 -3.79
1996
15.37 -3.55 15.04 -2.41
1995
16.95 -1.90 20.31 -1.03
1994
-0.18 -6.15 -2.86 -8.21
1993
23.87 -3.66 20.71 -3.68
1992
3.67 -3.34 5.36 -3.21
1991
31.77 -4.13 29.05 -3.46
1990
-8.84 -15.40 -6.06 -12.63
1989
25.31 -2.86 21.59 -1.39
1988
19.53 -2.49 15.34 -2.25
1987
2.59 -20.11 2.49 -16.20
1986
22.75 -4.06 23.31 -3.94
1985
30.54 -2.54 29.41 -1.92
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