BLOK vs. DDS

Last updated Jun 13, 2026

BLOK (Amplify Blockchain Technology ETF) is Blockchain fund actively managed by Amplify, while DDS (Dillard's, Inc.) is a stock. Over the past 5 years, BLOK returned 11.50%/yr vs 35.97%/yr for DDS. At a 0.31 correlation, their price movements are largely independent.

Performance

BLOK vs. DDS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Amplify Blockchain Technology ETF (BLOK) and Dillard's, Inc. (DDS). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BLOK achieves a 12.57% return, which is significantly higher than DDS's 0.66% return.

BLOK

• 1D: 1.33%
• 1M: -0.28%
• YTD: 12.57%
• 6M: 5.60%
• 1Y: 24.42%
• 3Y*: 50.68%
• 5Y*: 11.50%
• 10Y*: —

DDS

• 1D: -0.70%
• 1M: 14.47%
• YTD: 0.66%
• 6M: -10.45%
• 1Y: 58.44%
• 3Y*: 27.17%
• 5Y*: 35.97%
• 10Y*: 30.59%

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

BLOK vs. DDS - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
BLOK Amplify Blockchain Technology ETF	12.57%	32.64%	53.12%	99.62%	-62.36%	30.76%	90.17%	29.54%	-25.38%
DDS Dillard's, Inc.	0.66%	46.81%	13.47%	32.05%	38.66%	306.41%	-12.71%	22.76%	-10.59%

Correlation

The correlation between BLOK and DDS is 0.24, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.24
Correlation (3Y) Calculated over the trailing 3-year period	0.30
Correlation (5Y) Calculated over the trailing 5-year period	0.38
Correlation (All Time) Calculated using the full available price history since Jan 17, 2018	0.31

The correlation between BLOK and DDS shifts across timeframes, from 0.24 (1 year) to 0.38 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

BLOK vs. DDS — Risk / Return Rank

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

BLOK

BLOK Risk / Return Rank: 20
BLOK Sharpe Ratio Rank: 21
BLOK Sortino Ratio Rank: 22
BLOK Omega Ratio Rank: 22
BLOK Calmar Ratio Rank: 19
BLOK Martin Ratio Rank: 17

DDS

DDS Risk / Return Rank: 80
DDS Sharpe Ratio Rank: 83
DDS Sortino Ratio Rank: 78
DDS Omega Ratio Rank: 77
DDS Calmar Ratio Rank: 80
DDS Martin Ratio Rank: 79

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.

BLOK vs. DDS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Amplify Blockchain Technology ETF (BLOK) and Dillard's, Inc. (DDS). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	BLOK	DDS	Difference
Sharpe ratio: Return per unit of total volatility	0.63	1.48	-0.86
Sortino ratio: Return per unit of downside risk	1.08	2.07	-0.99
Omega ratio: Gain probability vs. loss probability	1.13	1.27	-0.13
Calmar ratio: Return relative to maximum drawdown	0.69	2.42	-1.73
Martin ratio: Return relative to average drawdown	1.49	5.60	-4.11

BLOK vs. DDS - Sharpe Ratio Comparison

The current BLOK Sharpe Ratio is 0.63, which is lower than the DDS Sharpe Ratio of 1.48. The chart below compares the historical Sharpe Ratios of BLOK and DDS, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

BLOK vs. DDS - Drawdown Comparison

The maximum BLOK drawdown since its inception was -73.33%, smaller than the maximum DDS drawdown of -93.62%. Use the drawdown chart below to compare losses from any high point for BLOK and DDS.

Drawdown Indicators

	BLOK	DDS	Difference
Max Drawdown Largest peak-to-trough decline	-73.33%	-93.62%	+20.29%
Max Drawdown (1Y) Largest decline over 1 year	-35.64%	-24.27%	-11.37%
Max Drawdown (3Y) Largest decline over 3 years	-35.64%	-42.02%	+6.38%
Max Drawdown (5Y) Largest decline over 5 years	-73.33%	-49.71%	-23.62%
Max Drawdown (10Y) Largest decline over 10 years	—	-76.57%	—
Current Drawdown Current decline from peak	-12.97%	-12.84%	-0.13%
Average Drawdown Average peak-to-trough decline	-26.03%	-35.61%	+9.58%
Ulcer Index Depth and duration of drawdowns from previous peaks	16.41%	10.47%	+5.94%

Volatility

BLOK vs. DDS - Volatility Comparison

Amplify Blockchain Technology ETF (BLOK) has a higher volatility of 13.34% compared to Dillard's, Inc. (DDS) at 10.15%. This indicates that BLOK's price experiences larger fluctuations and is considered to be riskier than DDS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BLOK	DDS	Difference
Volatility (1M) Calculated over the trailing 1-month period	13.34%	10.15%	+3.19%
Volatility (6M) Calculated over the trailing 6-month period	30.02%	27.84%	+2.18%
Volatility (1Y) Calculated over the trailing 1-year period	39.18%	39.57%	-0.39%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	42.53%	50.28%	-7.75%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	39.05%	59.53%	-20.48%

Dividends

BLOK vs. DDS - Dividend Comparison

BLOK's dividend yield for the trailing twelve months is around 0.64%, less than DDS's 5.11% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BLOK Amplify Blockchain Technology ETF	0.64%	0.72%	6.00%	1.15%	0.00%	14.31%	1.88%	2.05%	1.30%	0.00%	0.00%	0.00%
DDS Dillard's, Inc.	5.11%	5.13%	6.02%	5.18%	4.89%	6.41%	0.95%	0.68%	0.66%	0.57%	0.45%	0.40%

Frequently Asked Questions

Can I hold both BLOK and DDS in my portfolio?

BLOK and DDS have a correlation of 0.24, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BLOK or DDS?

BLOK has higher volatility (13.34%) compared to DDS (10.15%). In terms of maximum drawdown, BLOK dropped -73.33% vs DDS's -93.62%.

Which has better risk-adjusted returns?

DDS currently has the higher Sharpe Ratio (1.48 vs 0.63), 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.