PBAU vs. IBID

Last updated Jun 4, 2026

PBAU (PGIM S&P 500 Buffer 20 ETF - August) and IBID (iShares iBonds Oct 2027 Term TIPS ETF) are both exchange-traded funds - PBAU is a Defined Outcome fund actively managed by PGIM, while IBID is a Inflation-Protected Bonds fund tracking the ICE 2027 Maturity US Inflation-Linked Treasury Index. PBAU is actively managed, while IBID is passively managed. Over the past year, PBAU returned 13.47% vs 4.83% for IBID. At a correlation of -0.06, they often move in opposite directions. PBAU charges 0.50%/yr vs 0.10%/yr for IBID.

Performance

PBAU vs. IBID - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in PGIM S&P 500 Buffer 20 ETF - August (PBAU) and iShares iBonds Oct 2027 Term TIPS ETF (IBID). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PBAU achieves a 4.33% return, which is significantly higher than IBID's 2.46% return.

PBAU

• 1D: -0.05%
• 1M: 1.38%
• YTD: 4.33%
• 6M: 5.01%
• 1Y: 13.47%
• 3Y*: —
• 5Y*: —
• 10Y*: —

IBID

• 1D: 0.08%
• 1M: 0.49%
• YTD: 2.46%
• 6M: 2.57%
• 1Y: 4.83%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

PBAU vs. IBID - Yearly Performance Comparison

	2026 (YTD)	2025	2024
PBAU PGIM S&P 500 Buffer 20 ETF - August	4.33%	11.67%	7.08%
IBID iShares iBonds Oct 2027 Term TIPS ETF	2.46%	5.66%	3.90%

Correlation

The correlation between PBAU and IBID is -0.12, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.12
Correlation (All Time) Calculated using the full available price history since May 13, 2024	-0.06

Return for Risk

PBAU vs. IBID — Risk / Return Rank

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

PBAU

PBAU Risk / Return Rank: 87
PBAU Sharpe Ratio Rank: 85
PBAU Sortino Ratio Rank: 89
PBAU Omega Ratio Rank: 90
PBAU Calmar Ratio Rank: 80
PBAU Martin Ratio Rank: 91

IBID

IBID Risk / Return Rank: 97
IBID Sharpe Ratio Rank: 95
IBID Sortino Ratio Rank: 97
IBID Omega Ratio Rank: 97
IBID Calmar Ratio Rank: 98
IBID Martin Ratio Rank: 96

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.

PBAU vs. IBID - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for PGIM S&P 500 Buffer 20 ETF - August (PBAU) and iShares iBonds Oct 2027 Term TIPS ETF (IBID). 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.

	PBAU	IBID	Difference
Sharpe ratio: Return per unit of total volatility	2.76	3.91	-1.15
Sortino ratio: Return per unit of downside risk	4.09	6.75	-2.66
Omega ratio: Gain probability vs. loss probability	1.58	1.94	-0.36
Calmar ratio: Return relative to maximum drawdown	4.11	13.33	-9.22
Martin ratio: Return relative to average drawdown	21.83	39.52	-17.69
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PBAU vs. IBID - Sharpe Ratio Comparison

The current PBAU Sharpe Ratio is 2.76, which is comparable to the IBID Sharpe Ratio of 3.91. The chart below compares the historical Sharpe Ratios of PBAU and IBID, 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

	PBAU	IBID	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.76	3.91	-1.15
Sharpe Ratio (All Time) Calculated using the full available price history	1.58	2.56	-0.98

Drawdowns

PBAU vs. IBID - Drawdown Comparison

The maximum PBAU drawdown since its inception was -8.87%, which is greater than IBID's maximum drawdown of -1.28%. Use the drawdown chart below to compare losses from any high point for PBAU and IBID.

Drawdown Indicators

	PBAU	IBID	Difference
Max Drawdown Largest peak-to-trough decline	-8.87%	-1.28%	-7.59%
Max Drawdown (1Y) Largest decline over 1 year	-3.29%	-0.36%	-2.93%
Current Drawdown Current decline from peak	-0.05%	0.00%	-0.05%
Average Drawdown Average peak-to-trough decline	-0.66%	-0.22%	-0.44%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.62%	0.12%	+0.50%

Volatility

PBAU vs. IBID - Volatility Comparison

PGIM S&P 500 Buffer 20 ETF - August (PBAU) has a higher volatility of 0.47% compared to iShares iBonds Oct 2027 Term TIPS ETF (IBID) at 0.32%. This indicates that PBAU's price experiences larger fluctuations and is considered to be riskier than IBID based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PBAU	IBID	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.47%	0.32%	+0.15%
Volatility (6M) Calculated over the trailing 6-month period	3.60%	0.80%	+2.80%
Volatility (1Y) Calculated over the trailing 1-year period	4.91%	1.25%	+3.66%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	7.21%	2.25%	+4.96%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	7.21%	2.25%	+4.96%

PBAU vs. IBID - Expense Ratio Comparison

PBAU has a 0.50% expense ratio, which is higher than IBID's 0.10% expense ratio.

Dividends

PBAU vs. IBID - Dividend Comparison

PBAU has not paid dividends to shareholders, while IBID's dividend yield for the trailing twelve months is around 3.66%.

Position	TTM	2025	2024	2023
IBID iShares iBonds Oct 2027 Term TIPS ETF	3.66%	4.43%	4.24%	0.81%
PBAU PGIM S&P 500 Buffer 20 ETF - August	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both PBAU and IBID in my portfolio?

PBAU and IBID have a correlation of -0.12, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PBAU or IBID?

PBAU has higher volatility (0.47%) compared to IBID (0.32%). In terms of maximum drawdown, PBAU dropped -8.87% vs IBID's -1.28%.

Which ETF is better, PBAU or IBID?

On 1-year performance, PBAU leads with 13.47% vs 4.83% for IBID. On fees, IBID is cheaper at 0.10% per year. On volatility, IBID has been the lower-risk option at 0.32%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, PBAU or IBID?

Over the 1-year period, PBAU has performed better with a 13.47% return vs 4.83%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, PBAU or IBID?

IBID is cheaper with a 0.10% expense ratio, compared with 0.50% for PBAU.

Which ETF pays a higher dividend yield, PBAU or IBID?

IBID has the higher dividend yield at 3.66%, compared with 0.00% for PBAU.

What is the main difference between PBAU and IBID?

PBAU is categorized as Defined Outcome, while IBID is Inflation-Protected Bonds. They also come from different issuers: PGIM and iShares. Their fees differ too: 0.50% for PBAU and 0.10% for IBID.

Which has better risk-adjusted returns?

IBID currently has the higher Sharpe Ratio (3.91 vs 2.76), 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.