LTPZ vs. SPIP

Last updated Jun 4, 2026

LTPZ (PIMCO 15+ Year US TIPS Index ETF) and SPIP (SPDR Portfolio TIPS ETF) are both Inflation-Protected Bonds funds - LTPZ tracks the ICE BofA US Inflation-Linked Treasury (15+ Y) while SPIP tracks the Bloomberg Barclays US Government Inflation-linked Bond Index. Both are passively managed. Over the past 10 years, LTPZ returned 0.75%/yr vs 2.61%/yr for SPIP. Their correlation of 0.89 suggests significant overlap in exposure. LTPZ charges 0.20%/yr vs 0.12%/yr for SPIP.

Performance

LTPZ vs. SPIP - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in PIMCO 15+ Year US TIPS Index ETF (LTPZ) and SPDR Portfolio TIPS ETF (SPIP). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, LTPZ achieves a 0.41% return, which is significantly lower than SPIP's 1.49% return. Over the past 10 years, LTPZ has underperformed SPIP with an annualized return of 0.75%, while SPIP has yielded a comparatively higher 2.61% annualized return.

LTPZ

• 1D: -0.49%
• 1M: 1.02%
• YTD: 0.41%
• 6M: -1.15%
• 1Y: 4.72%
• 3Y*: -0.79%
• 5Y*: -5.24%
• 10Y*: 0.75%

SPIP

• 1D: -0.16%
• 1M: 0.02%
• YTD: 1.49%
• 6M: 1.02%
• 1Y: 4.97%
• 3Y*: 3.85%
• 5Y*: 0.87%
• 10Y*: 2.61%

*Multi-year figures are annualized to reflect compound growth (CAGR)

LTPZ vs. SPIP - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
LTPZ PIMCO 15+ Year US TIPS Index ETF	0.41%	4.00%	-4.80%	0.96%	-31.71%	7.02%	24.89%	17.47%	-7.22%	9.07%
SPIP SPDR Portfolio TIPS ETF	1.49%	6.78%	2.35%	2.98%	-12.84%	5.80%	11.41%	9.14%	-1.53%	3.16%

Correlation

The correlation between LTPZ and SPIP is 0.90, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.90
Correlation (3Y) Calculated over the trailing 3-year period	0.86
Correlation (5Y) Calculated over the trailing 5-year period	0.89
Correlation (10Y) Calculated over the trailing 10-year period	0.89
Correlation (All Time) Calculated using the full available price history since Sep 9, 2009	0.89

The correlation between LTPZ and SPIP has been stable across timeframes, ranging from 0.86 to 0.90 - a consistent structural relationship.

Return for Risk

LTPZ vs. SPIP — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

LTPZ

LTPZ Risk / Return Rank: 16
LTPZ Sharpe Ratio Rank: 16
LTPZ Sortino Ratio Rank: 15
LTPZ Omega Ratio Rank: 15
LTPZ Calmar Ratio Rank: 17
LTPZ Martin Ratio Rank: 16

SPIP

SPIP Risk / Return Rank: 41
SPIP Sharpe Ratio Rank: 39
SPIP Sortino Ratio Rank: 39
SPIP Omega Ratio Rank: 37
SPIP Calmar Ratio Rank: 49
SPIP Martin Ratio Rank: 44

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

LTPZ vs. SPIP - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for PIMCO 15+ Year US TIPS Index ETF (LTPZ) and SPDR Portfolio TIPS ETF (SPIP). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	LTPZ	SPIP	Difference
Sharpe ratio: Return per unit of total volatility	0.51	1.40	-0.88
Sortino ratio: Return per unit of downside risk	0.78	2.04	-1.26
Omega ratio: Gain probability vs. loss probability	1.09	1.25	-0.16
Calmar ratio: Return relative to maximum drawdown	0.68	2.44	-1.76
Martin ratio: Return relative to average drawdown	1.48	7.15	-5.67
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

LTPZ vs. SPIP - Sharpe Ratio Comparison

The current LTPZ Sharpe Ratio is 0.51, which is lower than the SPIP Sharpe Ratio of 1.40. The chart below compares the historical Sharpe Ratios of LTPZ and SPIP, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	LTPZ	SPIP	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.51	1.40	-0.88
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.33	0.13	-0.46
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.05	0.44	-0.39
Sharpe Ratio (All Time) Calculated using the full available price history	0.21	0.53	-0.32

Drawdowns

LTPZ vs. SPIP - Drawdown Comparison

The maximum LTPZ drawdown since its inception was -40.99%, which is greater than SPIP's maximum drawdown of -15.39%. Use the drawdown chart below to compare losses from any high point for LTPZ and SPIP.

Drawdown Indicators

	LTPZ	SPIP	Difference
Max Drawdown Largest peak-to-trough decline	-40.99%	-15.39%	-25.60%
Max Drawdown (1Y) Largest decline over 1 year	-7.00%	-2.04%	-4.96%
Max Drawdown (3Y) Largest decline over 3 years	-16.27%	-4.76%	-11.51%
Max Drawdown (5Y) Largest decline over 5 years	-40.99%	-15.39%	-25.60%
Max Drawdown (10Y) Largest decline over 10 years	-40.99%	-15.39%	-25.60%
Current Drawdown Current decline from peak	-32.74%	-1.02%	-31.72%
Average Drawdown Average peak-to-trough decline	-12.41%	-4.10%	-8.31%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.20%	0.70%	+2.50%

Volatility

LTPZ vs. SPIP - Volatility Comparison

PIMCO 15+ Year US TIPS Index ETF (LTPZ) has a higher volatility of 2.32% compared to SPDR Portfolio TIPS ETF (SPIP) at 0.95%. This indicates that LTPZ's price experiences larger fluctuations and is considered to be riskier than SPIP based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	LTPZ	SPIP	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.32%	0.95%	+1.37%
Volatility (6M) Calculated over the trailing 6-month period	6.41%	2.54%	+3.87%
Volatility (1Y) Calculated over the trailing 1-year period	9.26%	3.57%	+5.69%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.89%	6.57%	+9.32%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	15.07%	6.01%	+9.06%

LTPZ vs. SPIP - Expense Ratio Comparison

LTPZ has a 0.20% expense ratio, which is higher than SPIP's 0.12% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

LTPZ vs. SPIP - Dividend Comparison

LTPZ's dividend yield for the trailing twelve months is around 5.23%, more than SPIP's 4.75% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
LTPZ PIMCO 15+ Year US TIPS Index ETF	5.23%	4.64%	3.71%	3.71%	8.38%	3.56%	1.42%	1.74%	3.05%	2.25%	2.32%	0.71%
SPIP SPDR Portfolio TIPS ETF	4.75%	4.09%	3.36%	3.70%	7.05%	4.53%	1.97%	2.91%	2.80%	3.02%	1.88%	0.14%

Frequently Asked Questions

Can I hold both LTPZ and SPIP in my portfolio?

With a correlation of 0.90, LTPZ and SPIP move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, LTPZ or SPIP?

LTPZ has higher volatility (2.32%) compared to SPIP (0.95%). In terms of maximum drawdown, LTPZ dropped -40.99% vs SPIP's -15.39%.

Which ETF is better, LTPZ or SPIP?

On 10-year performance, SPIP leads with 2.61% vs 0.75% for LTPZ. On fees, SPIP is cheaper at 0.12% per year. On volatility, SPIP has been the lower-risk option at 0.95%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, LTPZ or SPIP?

Over the 10-year period, SPIP has performed better with a 2.61% return vs 0.75%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, LTPZ or SPIP?

SPIP is cheaper with a 0.12% expense ratio, compared with 0.20% for LTPZ.

Which ETF pays a higher dividend yield, LTPZ or SPIP?

LTPZ has the higher dividend yield at 5.23%, compared with 4.75% for SPIP.

What is the main difference between LTPZ and SPIP?

LTPZ tracks ICE BofA US Inflation-Linked Treasury (15+ Y), while SPIP tracks Bloomberg Barclays US Government Inflation-linked Bond Index. They also come from different issuers: PIMCO and State Street. Their fees differ too: 0.20% for LTPZ and 0.12% for SPIP.

Which has better risk-adjusted returns?

SPIP currently has the higher Sharpe Ratio (1.40 vs 0.51), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.