FLCB vs. IBTO

Last updated Jun 3, 2026

FLCB (Franklin U.S. Core Bond ETF) and IBTO (iShares iBonds Dec 2033 Term Treasury ETF) are both Intermediate Core Bond funds. FLCB is actively managed, while IBTO is passively managed. Over the past year, FLCB returned 5.33% vs 4.17% for IBTO. Their correlation of 0.94 suggests significant overlap in exposure. FLCB charges 0.15%/yr vs 0.07%/yr for IBTO.

Performance

FLCB vs. IBTO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Franklin U.S. Core Bond ETF (FLCB) and iShares iBonds Dec 2033 Term Treasury ETF (IBTO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FLCB achieves a 0.41% return, which is significantly higher than IBTO's -0.37% return.

FLCB

• 1D: -0.05%
• 1M: 0.09%
• YTD: 0.41%
• 6M: 0.52%
• 1Y: 5.33%
• 3Y*: 4.02%
• 5Y*: 0.07%
• 10Y*: —

IBTO

• 1D: 0.04%
• 1M: -0.23%
• YTD: -0.37%
• 6M: -0.63%
• 1Y: 4.17%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

FLCB vs. IBTO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
FLCB Franklin U.S. Core Bond ETF	0.41%	6.95%	1.59%	3.49%
IBTO iShares iBonds Dec 2033 Term Treasury ETF	-0.37%	8.23%	-0.87%	1.71%

Correlation

The correlation between FLCB and IBTO is 0.94, 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	0.94
Correlation (All Time) Calculated using the full available price history since Jun 30, 2023	0.94

The correlation between FLCB and IBTO has been stable across timeframes, ranging from 0.94 to 0.94 - a consistent structural relationship.

Return for Risk

FLCB vs. IBTO — Risk / Return Rank

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

FLCB

FLCB Risk / Return Rank: 37
FLCB Sharpe Ratio Rank: 39
FLCB Sortino Ratio Rank: 39
FLCB Omega Ratio Rank: 37
FLCB Calmar Ratio Rank: 35
FLCB Martin Ratio Rank: 35

IBTO

IBTO Risk / Return Rank: 24
IBTO Sharpe Ratio Rank: 26
IBTO Sortino Ratio Rank: 26
IBTO Omega Ratio Rank: 24
IBTO Calmar Ratio Rank: 23
IBTO Martin Ratio Rank: 23

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.

FLCB vs. IBTO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Franklin U.S. Core Bond ETF (FLCB) and iShares iBonds Dec 2033 Term Treasury ETF (IBTO). 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.

	FLCB	IBTO	Difference
Sharpe ratio Return per unit of total volatility	1.39	0.94	+0.45
Sortino ratio Return per unit of downside risk	2.04	1.42	+0.62
Omega ratio Gain probability vs. loss probability	1.25	1.16	+0.08
Calmar ratio Return relative to maximum drawdown	1.77	1.05	+0.72
Martin ratio Return relative to average drawdown	5.46	3.08	+2.38
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FLCB vs. IBTO - Sharpe Ratio Comparison

The current FLCB Sharpe Ratio is 1.39, which is higher than the IBTO Sharpe Ratio of 0.94. The chart below compares the historical Sharpe Ratios of FLCB and IBTO, 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

	FLCB	IBTO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.39	0.94	+0.45
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.01	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.17	0.44	-0.27

Drawdowns

FLCB vs. IBTO - Drawdown Comparison

The maximum FLCB drawdown since its inception was -18.82%, which is greater than IBTO's maximum drawdown of -8.36%. Use the drawdown chart below to compare losses from any high point for FLCB and IBTO.

Drawdown Indicators

	FLCB	IBTO	Difference
Max Drawdown Largest peak-to-trough decline	-18.82%	-8.36%	-10.46%
Max Drawdown (1Y) Largest decline over 1 year	-2.85%	-3.66%	+0.81%
Max Drawdown (3Y) Largest decline over 3 years	-6.16%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-18.48%	—	—
Current Drawdown Current decline from peak	-2.22%	-2.43%	+0.21%
Average Drawdown Average peak-to-trough decline	-6.63%	-2.37%	-4.26%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.93%	1.25%	-0.32%

Volatility

FLCB vs. IBTO - Volatility Comparison

Franklin U.S. Core Bond ETF (FLCB) and iShares iBonds Dec 2033 Term Treasury ETF (IBTO) have volatilities of 1.27% and 1.33%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FLCB	IBTO	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.27%	1.33%	-0.06%
Volatility (6M) Calculated over the trailing 6-month period	2.77%	3.04%	-0.27%
Volatility (1Y) Calculated over the trailing 1-year period	3.87%	4.47%	-0.60%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.75%	6.62%	-0.87%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.51%	6.62%	-1.11%

FLCB vs. IBTO - Expense Ratio Comparison

FLCB has a 0.15% expense ratio, which is higher than IBTO's 0.07% 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

FLCB vs. IBTO - Dividend Comparison

FLCB's dividend yield for the trailing twelve months is around 4.30%, more than IBTO's 4.14% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019
FLCB Franklin U.S. Core Bond ETF	4.30%	4.19%	4.10%	3.40%	2.73%	2.28%	3.24%	0.73%
IBTO iShares iBonds Dec 2033 Term Treasury ETF	4.14%	4.05%	4.23%	1.66%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both FLCB and IBTO in my portfolio?

With a correlation of 0.94, FLCB and IBTO 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, FLCB or IBTO?

IBTO has higher volatility (1.33%) compared to FLCB (1.27%). In terms of maximum drawdown, FLCB dropped -18.82% vs IBTO's -8.36%.

Which ETF is better, FLCB or IBTO?

On 1-year performance, FLCB leads with 5.33% vs 4.17% for IBTO. On fees, IBTO is cheaper at 0.07% per year. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, FLCB or IBTO?

Over the 1-year period, FLCB has performed better with a 5.33% return vs 4.17%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, FLCB or IBTO?

IBTO is cheaper with a 0.07% expense ratio, compared with 0.15% for FLCB.

Which ETF pays a higher dividend yield, FLCB or IBTO?

FLCB has the higher dividend yield at 4.30%, compared with 4.14% for IBTO.

What is the main difference between FLCB and IBTO?

They also come from different issuers: Franklin Templeton and iShares. Their fees differ too: 0.15% for FLCB and 0.07% for IBTO.

Which has better risk-adjusted returns?

FLCB currently has the higher Sharpe Ratio (1.39 vs 0.94), 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.