US Inflation Protection Portfolio vs David Swensen Yale Endowment Portfolio Portfolio Comparison

Simulation Settings

Period: January 1985 - April 2026 (~41 years)
Consolidated Returns as of 30 April 2026

Initial Amount: 1$

Rebalancing: at every Jan 1^st

Currency: USD

Inflation: US

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Results

30 Years
(1996/05 - 2026/04)

All Data
(1985/01 - 2026/04)

Inflation Adjusted:

US Inflation Protection Portfolio

1.00$
Invested Capital
May 1996
4.35$
Final Capital
April 2026
5.02%
Yearly Return
5.79%
Std Deviation
-14.76%
Max Drawdown
52months*
Recovery Period
* in progress

1.00$
Invested Capital
May 1996
2.04$
Final Capital
April 2026
2.41%
Yearly Return
5.79%
Std Deviation
-23.54%
Max Drawdown
57months*
Recovery Period
* in progress

1.00$
Invested Capital
January 1985
14.00$
Final Capital
April 2026
6.59%
Yearly Return
6.52%
Std Deviation
-14.76%
Max Drawdown
52months*
Recovery Period
* in progress

1.00$
Invested Capital
January 1985
4.44$
Final Capital
April 2026
3.67%
Yearly Return
6.52%
Std Deviation
-23.54%
Max Drawdown
57months*
Recovery Period
* in progress

David Swensen Yale Endowment Portfolio

1.00$
Invested Capital
May 1996
10.57$
Final Capital
April 2026
8.18%
Yearly Return
10.96%
Std Deviation
-40.68%
Max Drawdown
38months
Recovery Period

1.00$
Invested Capital
May 1996
4.96$
Final Capital
April 2026
5.48%
Yearly Return
10.96%
Std Deviation
-41.66%
Max Drawdown
42months
Recovery Period

1.00$
Invested Capital
January 1985
45.31$
Final Capital
April 2026
9.67%
Yearly Return
10.68%
Std Deviation
-40.68%
Max Drawdown
38months
Recovery Period

1.00$
Invested Capital
January 1985
14.38$
Final Capital
April 2026
6.66%
Yearly Return
10.68%
Std Deviation
-41.66%
Max Drawdown
42months
Recovery Period

As of April 2026, in the previous 30 Years, the US Inflation Protection Portfolio obtained a 5.02% compound annual return, with a 5.79% standard deviation. It suffered a maximum drawdown of -14.76% which has been ongoing for 52 months and is still in progress.

As of April 2026, in the previous 30 Years, the David Swensen Yale Endowment Portfolio obtained a 8.18% compound annual return, with a 10.96% standard deviation. It suffered a maximum drawdown of -40.68% that required 38 months to be recovered.

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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.

Resources & Extras

Asset Allocations and ETFs

The compared portfolios have the following asset allocations.

US Inflation Protection Portfolio

Weight (%)	Ticker	Name
100.00	TIP	iShares TIPS Bond

David Swensen Yale Endowment Portfolio

Weight (%)	Ticker	Name
30.00	VTI	Vanguard Total Stock Market
20.00	VNQ	Vanguard Real Estate
15.00	VEA	Vanguard FTSE Developed Markets
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 Apr 30, 2026

Returns are calculated in USD, assuming:

no fees or capital gain taxes.
rebalancing: at every Jan 1^st.
dividend reinvestment, when applicable.

Return Comparison

Capital Growth

30 Years
(1996/05 - 2026/04)

All Data
(1985/01 - 2026/04)

Inflation Adjusted:

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	Initial Amount $	Final Amount $	Total Return (%)	Annualized (%)
US Inflation Protection	1 $	4.35 $	335.21%	5.02%
Yale Endowment David Swensen	1 $	10.57 $	956.69%	8.18%
	May 1996	Apr 2026

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	Initial Amount $	Final Amount $	Total Return (%)	Annualized (%)
US Inflation Protection	1 $	2.04 $	104.32%	2.41%
Yale Endowment David Swensen	1 $	4.96 $	396.10%	5.48%
	May 1996	Apr 2026

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	Initial Amount $	Final Amount $	Total Return (%)	Annualized (%)
US Inflation Protection	1 $	14.00 $	1 300.25%	6.59%
Yale Endowment David Swensen	1 $	45.31 $	4 430.78%	9.67%
	Jan 1985	Apr 2026

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	Initial Amount $	Final Amount $	Total Return (%)	Annualized (%)
US Inflation Protection	1 $	4.44 $	344.30%	3.67%
Yale Endowment David Swensen	1 $	14.38 $	1 337.62%	6.66%
	Jan 1985	Apr 2026

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		Return (%) as of Apr 30, 2026
		YTD (4M)	1M	6M	1Y	5Y	10Y	30Y	MAX (~41Y)
	US Inflation Protection -- Market Benchmark	1.50	1.09	1.09	3.81	0.93	2.43	5.02	6.59
	Yale Endowment David Swensen	6.41	6.71	7.32	20.30	6.50	8.32	8.18	9.67
Returns over 1 year are annualized.

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Portfolio Metrics as of Apr 30, 2026

The following metrics, updated as of 30 April 2026, provide an overview of performance and risk, with the best value in each row highlighted within the table.

METRIC COMPARISON

Period: 1 May 2025 - 30 April 2026 (1 year)

Period: 1 May 2021 - 30 April 2026 (5 years)

Period: 1 May 2016 - 30 April 2026 (10 years)

Period: 1 May 1996 - 30 April 2026 (30 years)

Period: 1 January 1985 - 30 April 2026 (~41 years)

1 Year

5 Years

10 Years

30 Years

All (1985/01 - 2026/04)

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	US Inflation Protection	Yale Endowment
Author		David Swensen
ASSET ALLOCATION
Stocks	0%	70%
Fixed Income	100%	30%
Commodities	0%	0%
PERFORMANCES
Annualized Return (%)	3.81	20.30
Infl. Adjusted (%)	0.03	15.93
DRAWDOWN
Deepest Drawdown Depth (%)	-1.36	-5.05
Start to Recovery (months)	2*	2
Longest Drawdown Depth (%)	-0.62	-5.05
Start to Recovery (months)	3	2
Longest Negative Period (months)	4	4
Drawdowns / Negative periods marked with * are in progress
RISK INDICATORS
Standard Deviation (%)	2.88	9.00
Sharpe Ratio	-0.05	1.82
Sortino Ratio	-0.06	2.34
Ulcer Index	0.46	1.40
Ratio: Return / Standard Deviation	1.32	2.25
Ratio: Return / Deepest Drawdown	2.80	4.02
Metrics calculated over the period 1 May 2025 - 30 April 2026

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	US Inflation Protection	Yale Endowment
Author		David Swensen
ASSET ALLOCATION
Stocks	0%	70%
Fixed Income	100%	30%
Commodities	0%	0%
PERFORMANCES
Annualized Return (%)	0.93	6.50
Infl. Adjusted (%)	-3.42	1.91
DRAWDOWN
Deepest Drawdown Depth (%)	-14.76	-22.63
Start to Recovery (months)	52*	31
Longest Drawdown Depth (%)	-14.76	-22.63
Start to Recovery (months)	52*	31
Longest Negative Period (months)	56	34
Drawdowns / Negative periods marked with * are in progress
RISK INDICATORS
Standard Deviation (%)	6.20	12.11
Sharpe Ratio	-0.39	0.26
Sortino Ratio	-0.50	0.35
Ulcer Index	8.04	8.67
Ratio: Return / Standard Deviation	0.15	0.54
Ratio: Return / Deepest Drawdown	0.06	0.29
Metrics calculated over the period 1 May 2021 - 30 April 2026

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	US Inflation Protection	Yale Endowment
Author		David Swensen
ASSET ALLOCATION
Stocks	0%	70%
Fixed Income	100%	30%
Commodities	0%	0%
PERFORMANCES
Annualized Return (%)	2.43	8.32
Infl. Adjusted (%)	-0.89	4.80
DRAWDOWN
Deepest Drawdown Depth (%)	-14.76	-22.63
Start to Recovery (months)	52*	31
Longest Drawdown Depth (%)	-14.76	-22.63
Start to Recovery (months)	52*	31
Longest Negative Period (months)	56	34
Drawdowns / Negative periods marked with * are in progress
RISK INDICATORS
Standard Deviation (%)	5.11	11.08
Sharpe Ratio	0.06	0.56
Sortino Ratio	0.07	0.73
Ulcer Index	5.76	6.53
Ratio: Return / Standard Deviation	0.48	0.75
Ratio: Return / Deepest Drawdown	0.16	0.37
Metrics calculated over the period 1 May 2016 - 30 April 2026

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	US Inflation Protection	Yale Endowment
Author		David Swensen
ASSET ALLOCATION
Stocks	0%	70%
Fixed Income	100%	30%
Commodities	0%	0%
PERFORMANCES
Annualized Return (%)	5.02	8.18
Infl. Adjusted (%)	2.41	5.48
DRAWDOWN
Deepest Drawdown Depth (%)	-14.76	-40.68
Start to Recovery (months)	52*	38
Longest Drawdown Depth (%)	-9.24	-40.68
Start to Recovery (months)	76	38
Longest Negative Period (months)	77	62
Drawdowns / Negative periods marked with * are in progress
RISK INDICATORS
Standard Deviation (%)	5.79	10.96
Sharpe Ratio	0.48	0.54
Sortino Ratio	0.65	0.70
Ulcer Index	4.18	7.44
Ratio: Return / Standard Deviation	0.87	0.75
Ratio: Return / Deepest Drawdown	0.34	0.20
Metrics calculated over the period 1 May 1996 - 30 April 2026

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	US Inflation Protection	Yale Endowment
Author		David Swensen
ASSET ALLOCATION
Stocks	0%	70%
Fixed Income	100%	30%
Commodities	0%	0%
PERFORMANCES
Annualized Return (%)	6.59	9.67
Infl. Adjusted (%)	3.67	6.66
DRAWDOWN
Deepest Drawdown Depth (%)	-14.76	-40.68
Start to Recovery (months)	52*	38
Longest Drawdown Depth (%)	-9.24	-40.68
Start to Recovery (months)	76	38
Longest Negative Period (months)	77	62
Drawdowns / Negative periods marked with * are in progress
RISK INDICATORS
Standard Deviation (%)	6.52	10.68
Sharpe Ratio	0.52	0.61
Sortino Ratio	0.73	0.79
Ulcer Index	4.00	6.65
Ratio: Return / Standard Deviation	1.01	0.91
Ratio: Return / Deepest Drawdown	0.45	0.24
Metrics calculated over the period 1 January 1985 - 30 April 2026

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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 May 1996 - 30 April 2026 (30 years)

Period: 1 January 1985 - 30 April 2026 (~41 years)

30 Years
(1996/05 - 2026/04)

Chart Table

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US Inflation Protection			Yale Endowment
Drawdown (%)	Recovery (#Months)	From To	Drawdown (%)	Recovery (#Months)	From To
			-40.68	38	Nov 2007 Dec 2010
			-22.63	31	Jan 2022 Jul 2024
			-14.79	7	Feb 2020 Aug 2020
-14.76	52*	Jan 2022 In progress
			-12.17	10	May 2011 Feb 2012
-11.79	13	Sep 2008 Sep 2009
			-10.97	9	Apr 1998 Dec 1998
			-10.82	33	Sep 2000 May 2003
-9.24	76	Dec 2012 Mar 2019
			-8.41	7	Sep 2018 Mar 2019
			-6.50	15	Mar 2015 May 2016
			-5.84	6	Apr 2004 Sep 2004
-5.32	14	Feb 1999 Mar 2000
-5.32	7	Jun 2003 Dec 2003
			-5.05	2	Mar 2026 Apr 2026

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US Inflation Protection			Yale Endowment
Drawdown (%)	Recovery (#Months)	From To	Drawdown (%)	Recovery (#Months)	From To
			-40.68	38	Nov 2007 Dec 2010
			-22.63	31	Jan 2022 Jul 2024
			-16.20	16	Sep 1987 Dec 1988
			-14.79	7	Feb 2020 Aug 2020
-14.76	52*	Jan 2022 In progress
			-12.63	14	Jan 1990 Feb 1991
			-12.17	10	May 2011 Feb 2012
-11.79	13	Sep 2008 Sep 2009
			-10.97	9	Apr 1998 Dec 1998
			-10.82	33	Sep 2000 May 2003
-10.68	16	Feb 1994 May 1995
-9.45	11	Mar 1987 Jan 1988
-9.24	76	Dec 2012 Mar 2019
			-8.41	7	Sep 2018 Mar 2019
			-8.21	16	Feb 1994 May 1995

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 - 30 April 2026 (~41 years)

Rolling Period:

US Inflation Protection
Yale Endowment

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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	US Inflation Protection		Yale Endowment
Year	Return (%)	Drawdown (%)	Return (%)	Drawdown (%)
2026	1.50	-1.36	6.41	-5.05
2025	6.76	-0.63	14.81	-2.00
2024	1.65	-3.05	9.42	-3.92
2023	3.27	-5.35	14.45	-8.62
2022	-13.10	-14.74	-17.82	-22.63
2021	5.67	-1.95	17.84	-3.58
2020	10.84	-1.76	10.35	-14.79
2019	8.35	-1.14	21.39	-2.68
2018	-1.42	-2.47	-5.76	-8.41
2017	2.92	-0.91	13.79	0.00
2016	4.68	-2.64	7.40	-3.21
2015	-1.75	-4.83	-0.29	-6.50
2014	3.59	-2.59	9.76	-3.40
2013	-8.49	-9.10	12.04	-4.27
2012	6.39	-1.43	13.44	-4.70
2011	13.28	-0.01	2.46	-12.17
2010	6.14	-3.05	14.85	-7.93
2009	8.94	-2.24	23.34	-16.98
2008	0.04	-11.79	-25.11	-30.37
2007	11.92	-1.52	4.93	-4.58
2006	0.28	-2.37	17.78	-2.66
2005	2.49	-2.47	8.67	-2.69
2004	8.28	-4.82	16.01	-5.84
2003	8.00	-5.32	26.59	-1.98
2002	16.61	-2.75	-3.49	-9.34
2001	7.61	-3.37	-1.98	-9.29
2000	17.65	-0.84	3.33	-5.76
1999	-4.47	-5.32	13.91	-2.69
1998	9.27	-0.76	8.26	-10.97
1997	12.71	-2.48	15.25	-3.44
1996	1.33	-6.47	15.04	-2.41
1995	23.02	-0.42	20.31	-1.03
1994	-6.25	-10.68	-2.86	-8.21
1993	15.75	-1.45	20.71	-3.68
1992	8.74	-3.82	5.36	-3.21
1991	18.60	-0.30	29.05	-3.46
1990	8.20	-4.32	-6.06	-12.63
1989	15.77	-2.48	21.59	-1.39
1988	6.51	-4.70	15.34	-2.25
1987	-0.24	-9.45	2.49	-16.20
1986	18.39	-4.18	23.31	-3.94
1985	26.04	-3.65	30.22	-1.80

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Table of contents

Resources & Extras

Asset Allocations and ETFs

Portfolio Returns as of Apr 30, 2026

Portfolio Metrics as of Apr 30, 2026

Drawdowns

Rolling Returns

Yearly Returns