BOC vs. NOBL

Last updated Apr 2, 2026

Compare and contrast key facts about Boston Omaha Corp (BOC) and ProShares S&P 500 Dividend Aristocrats ETF (NOBL).

NOBL is a passively managed fund by ProShares that tracks the performance of the S&P 500 Dividend Aristocrats Index. It was launched on Oct 9, 2013.

Performance

BOC vs. NOBL - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Boston Omaha Corp (BOC) and ProShares S&P 500 Dividend Aristocrats ETF (NOBL). The values are adjusted to include any dividend payments, if applicable.

BOC vs. NOBL - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BOC Boston Omaha Corp	-3.15%	-12.76%	-9.85%	-40.64%	-7.76%	3.91%	31.42%	-10.09%	-27.76%	145.38%
NOBL ProShares S&P 500 Dividend Aristocrats ETF	2.32%	6.84%	6.72%	8.09%	-6.52%	25.46%	8.35%	27.39%	-3.26%	11.00%

Returns By Period

In the year-to-date period, BOC achieves a -3.15% return, which is significantly lower than NOBL's 2.32% return.

BOC

• 1D: 2.57%
• 1M: -6.19%
• YTD: -3.15%
• 6M: -9.24%
• 1Y: -17.72%
• 3Y*: -20.31%
• 5Y*: -16.72%
• 10Y*: —

NOBL

• 1D: -0.04%
• 1M: -6.79%
• YTD: 2.32%
• 6M: 4.06%
• 1Y: 6.18%
• 3Y*: 7.40%
• 5Y*: 6.30%
• 10Y*: 9.54%

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

Return for Risk

BOC vs. NOBL — Risk / Return Rank

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

BOC

BOC Risk / Return Rank: 16
BOC Sharpe Ratio Rank: 15
BOC Sortino Ratio Rank: 15
BOC Omega Ratio Rank: 15
BOC Calmar Ratio Rank: 17
BOC Martin Ratio Rank: 20

NOBL

NOBL Risk / Return Rank: 23
NOBL Sharpe Ratio Rank: 23
NOBL Sortino Ratio Rank: 23
NOBL Omega Ratio Rank: 22
NOBL Calmar Ratio Rank: 24
NOBL Martin Ratio Rank: 25

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.

BOC vs. NOBL - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Boston Omaha Corp (BOC) and ProShares S&P 500 Dividend Aristocrats ETF (NOBL). 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.

	BOC	NOBL	Difference
Sharpe ratio Return per unit of total volatility	-0.60	0.41	-1.01
Sortino ratio Return per unit of downside risk	-0.72	0.70	-1.42
Omega ratio Gain probability vs. loss probability	0.91	1.09	-0.18
Calmar ratio Return relative to maximum drawdown	-0.68	0.54	-1.21
Martin ratio Return relative to average drawdown	-1.13	1.89	-3.02
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BOC vs. NOBL - Sharpe Ratio Comparison

The current BOC Sharpe Ratio is -0.60, which is lower than the NOBL Sharpe Ratio of 0.41. The chart below compares the historical Sharpe Ratios of BOC and NOBL, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	BOC	NOBL	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.60	0.41	-1.01
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.48	0.44	-0.92
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.58	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.03	0.64	-0.67

Correlation

The correlation between BOC and NOBL is 0.36, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

BOC vs. NOBL - Dividend Comparison

BOC has not paid dividends to shareholders, while NOBL's dividend yield for the trailing twelve months is around 2.14%.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BOC Boston Omaha Corp	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
NOBL ProShares S&P 500 Dividend Aristocrats ETF	2.14%	2.14%	2.05%	2.09%	1.94%	1.89%	2.14%	1.89%	2.37%	1.74%	2.13%	2.02%

Drawdowns

BOC vs. NOBL - Drawdown Comparison

The maximum BOC drawdown since its inception was -75.63%, which is greater than NOBL's maximum drawdown of -35.43%. Use the drawdown chart below to compare losses from any high point for BOC and NOBL.

Drawdown Indicators

	BOC	NOBL	Difference
Max Drawdown Largest peak-to-trough decline	-75.63%	-35.43%	-40.20%
Max Drawdown (1Y) Largest decline over 1 year	-26.41%	-11.20%	-15.21%
Max Drawdown (5Y) Largest decline over 5 years	-73.08%	-17.92%	-55.16%
Max Drawdown (10Y) Largest decline over 10 years	—	-35.43%	—
Current Drawdown Current decline from peak	-74.63%	-7.07%	-67.56%
Average Drawdown Average peak-to-trough decline	-45.50%	-3.45%	-42.05%
Ulcer Index Depth and duration of drawdowns from previous peaks	15.79%	3.18%	+12.61%

Volatility

BOC vs. NOBL - Volatility Comparison

Boston Omaha Corp (BOC) has a higher volatility of 7.64% compared to ProShares S&P 500 Dividend Aristocrats ETF (NOBL) at 3.55%. This indicates that BOC's price experiences larger fluctuations and is considered to be riskier than NOBL based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BOC	NOBL	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.64%	3.55%	+4.09%
Volatility (6M) Calculated over the trailing 6-month period	22.13%	8.06%	+14.07%
Volatility (1Y) Calculated over the trailing 1-year period	29.54%	15.24%	+14.30%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	35.31%	14.39%	+20.92%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	42.87%	16.59%	+26.28%