IBIK vs. VTP

Last updated Jun 4, 2026

IBIK (iShares iBonds Oct 2034 Term TIPS ETF) and VTP (Vanguard Total Inflation-Protected Securities ETF) are both Inflation-Protected Bonds funds - IBIK tracks the iBonds Oct 2034 Term TIPS Index while VTP tracks the ICE U.S. Treasury Inflation Linked Bond Index 0-5. Both are passively managed. With a 0.97 correlation, they move nearly in lockstep. IBIK charges 0.10%/yr vs 0.05%/yr for VTP.

Performance

IBIK vs. VTP - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares iBonds Oct 2034 Term TIPS ETF (IBIK) and Vanguard Total Inflation-Protected Securities ETF (VTP). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IBIK achieves a 1.45% return, which is significantly lower than VTP's 1.55% return.

IBIK

• 1D: -0.25%
• 1M: -0.38%
• YTD: 1.45%
• 6M: 0.91%
• 1Y: 6.15%
• 3Y*: —
• 5Y*: —
• 10Y*: —

VTP

• 1D: -0.16%
• 1M: -0.08%
• YTD: 1.55%
• 6M: 1.09%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

IBIK vs. VTP - Yearly Performance Comparison

	2026 (YTD)	2025
IBIK iShares iBonds Oct 2034 Term TIPS ETF	1.45%	2.99%
VTP Vanguard Total Inflation-Protected Securities ETF	1.55%	2.27%

Correlation

The correlation between IBIK and VTP is 0.97 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (All Time) Calculated using the full available price history since Jul 10, 2025	0.97

Return for Risk

IBIK vs. VTP — Risk / Return Rank

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

IBIK

IBIK Risk / Return Rank: 46
IBIK Sharpe Ratio Rank: 42
IBIK Sortino Ratio Rank: 46
IBIK Omega Ratio Rank: 40
IBIK Calmar Ratio Rank: 51
IBIK Martin Ratio Rank: 51

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.

IBIK vs. VTP - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Oct 2034 Term TIPS ETF (IBIK) and Vanguard Total Inflation-Protected Securities ETF (VTP). 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.

	IBIK	VTP	Difference
Sharpe ratio: Return per unit of total volatility	1.47	—	—
Sortino ratio: Return per unit of downside risk	2.22	—	—
Omega ratio: Gain probability vs. loss probability	1.26	—	—
Calmar ratio: Return relative to maximum drawdown	2.47	—	—
Martin ratio: Return relative to average drawdown	8.52	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	IBIK	VTP	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.47	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.08	1.31	-0.23

Drawdowns

IBIK vs. VTP - Drawdown Comparison

The maximum IBIK drawdown since its inception was -5.59%, which is greater than VTP's maximum drawdown of -1.92%. Use the drawdown chart below to compare losses from any high point for IBIK and VTP.

Drawdown Indicators

	IBIK	VTP	Difference
Max Drawdown Largest peak-to-trough decline	-5.59%	-1.92%	-3.67%
Max Drawdown (1Y) Largest decline over 1 year	-2.50%	—	—
Current Drawdown Current decline from peak	-0.65%	-0.30%	-0.35%
Average Drawdown Average peak-to-trough decline	-1.24%	-0.52%	-0.72%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.72%	—	—

Volatility

Volatility by Period

	IBIK	VTP	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.20%	—	—
Volatility (6M) Calculated over the trailing 6-month period	2.82%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	4.21%	3.26%	+0.95%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.34%	3.26%	+2.08%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.34%	3.26%	+2.08%

IBIK vs. VTP - Expense Ratio Comparison

IBIK has a 0.10% expense ratio, which is higher than VTP's 0.05% 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

IBIK vs. VTP - Dividend Comparison

IBIK's dividend yield for the trailing twelve months is around 3.73%, more than VTP's 1.61% yield.

Position	TTM	2025	2024
IBIK iShares iBonds Oct 2034 Term TIPS ETF	3.73%	4.43%	2.67%
VTP Vanguard Total Inflation-Protected Securities ETF	1.61%	1.56%	0.00%

Frequently Asked Questions

Can I hold both IBIK and VTP in my portfolio?

With a correlation of 0.97, IBIK and VTP 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 ETF is better, IBIK or VTP?

On fees, VTP is cheaper at 0.05% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, IBIK or VTP?

VTP is cheaper with a 0.05% expense ratio, compared with 0.10% for IBIK.

Which ETF pays a higher dividend yield, IBIK or VTP?

IBIK has the higher dividend yield at 3.73%, compared with 1.61% for VTP.

What is the main difference between IBIK and VTP?

IBIK tracks iBonds Oct 2034 Term TIPS Index, while VTP tracks ICE U.S. Treasury Inflation Linked Bond Index 0-5. They also come from different issuers: iShares and Vanguard. Their fees differ too: 0.10% for IBIK and 0.05% for VTP.