BLKC vs. PPA

Last updated Jun 4, 2026

BLKC (Invesco Alerian Galaxy Blockchain Users and Decentralized Commerce ETF) and PPA (Invesco Aerospace & Defense ETF) are both exchange-traded funds - BLKC is a Cryptocurrency fund tracking the Alerian Galaxy Global Cryptocurrency-Focused Blockchain Equity, Trusts and ETPs Index, while PPA is a Aerospace & Defense fund tracking the SPADE Defense Index. Both are passively managed. At a 0.49 correlation, their price movements are largely independent. BLKC charges 0.60%/yr vs 0.58%/yr for PPA.

Performance

BLKC vs. PPA - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco Alerian Galaxy Blockchain Users and Decentralized Commerce ETF (BLKC) and Invesco Aerospace & Defense ETF (PPA). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

BLKC

• 1D: —
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

PPA

• 1D: -1.74%
• 1M: 3.19%
• YTD: 8.54%
• 6M: 13.46%
• 1Y: 26.57%
• 3Y*: 28.92%
• 5Y*: 17.82%
• 10Y*: 17.38%

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

BLKC vs. PPA - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
BLKC Invesco Alerian Galaxy Blockchain Users and Decentralized Commerce ETF	-12.03%	13.79%	46.83%	128.84%	-63.43%	-8.11%
PPA Invesco Aerospace & Defense ETF	8.54%	37.15%	25.28%	18.41%	9.52%	-2.17%

Correlation

The correlation between BLKC and PPA is 0.38, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.38
Correlation (3Y) Calculated over the trailing 3-year period	0.44
Correlation (All Time) Calculated using the full available price history since Oct 8, 2021	0.49

The correlation between BLKC and PPA shifts across timeframes, from 0.38 (1 year) to 0.49 (all time), reflecting how their relationship changes across market environments.

BLKC vs. PPA - Sectors Allocation Comparison

Sectors	BLKC	PPA
Financial Services	36.7%	-
Technology	29.5%	9.8%
Consumer Cyclical	7.3%	-
Communication Services	4.5%	0.1%
Consumer Defensive	2.6%	-
Industrials	2.2%	90.1%
Energy	1.4%	-
Healthcare	1.0%	-
Basic Materials	-	-
Real Estate	-	-
Utilities	-	-

Return for Risk

BLKC vs. PPA — Risk / Return Rank

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

PPA

PPA Risk / Return Rank: 37
PPA Sharpe Ratio Rank: 38
PPA Sortino Ratio Rank: 39
PPA Omega Ratio Rank: 35
PPA Calmar Ratio Rank: 38
PPA Martin Ratio Rank: 36

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.

BLKC vs. PPA - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco Alerian Galaxy Blockchain Users and Decentralized Commerce ETF (BLKC) and Invesco Aerospace & Defense ETF (PPA). 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	BLKC	PPA	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	1.40	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.97	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.84	—
Sharpe Ratio (All Time) Calculated using the full available price history	—	0.66	—

Drawdowns

Drawdown Indicators

	BLKC	PPA	Difference
Max Drawdown Largest peak-to-trough decline	—	-57.37%	—
Max Drawdown (1Y) Largest decline over 1 year	—	-13.71%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-15.24%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-18.37%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-43.92%	—
Current Drawdown Current decline from peak	—	-8.40%	—
Average Drawdown Average peak-to-trough decline	—	-9.18%	—
Ulcer Index Depth and duration of drawdowns from previous peaks	—	4.69%	—

Volatility

Volatility by Period

	BLKC	PPA	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	6.73%	—
Volatility (6M) Calculated over the trailing 6-month period	—	15.95%	—
Volatility (1Y) Calculated over the trailing 1-year period	—	19.03%	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	—	18.49%	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	—	20.64%	—

BLKC vs. PPA - Expense Ratio Comparison

BLKC has a 0.60% expense ratio, which is higher than PPA's 0.58% expense ratio.

Dividends

BLKC vs. PPA - Dividend Comparison

BLKC's dividend yield for the trailing twelve months is around 4.39%, more than PPA's 0.39% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BLKC Invesco Alerian Galaxy Blockchain Users and Decentralized Commerce ETF	4.39%	7.72%	19.66%	1.92%	5.40%	0.51%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
PPA Invesco Aerospace & Defense ETF	0.39%	0.42%	0.61%	0.67%	0.83%	0.59%	0.88%	0.95%	0.90%	0.67%	1.70%	1.41%

Frequently Asked Questions

Can I hold both BLKC and PPA in my portfolio?

BLKC and PPA have a correlation of 0.38, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, BLKC or PPA?

On fees, PPA is cheaper at 0.58% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, BLKC or PPA?

PPA is cheaper with a 0.58% expense ratio, compared with 0.60% for BLKC.

Which ETF pays a higher dividend yield, BLKC or PPA?

BLKC has the higher dividend yield at 4.39%, compared with 0.39% for PPA.

What is the main difference between BLKC and PPA?

BLKC is categorized as Cryptocurrency, while PPA is Aerospace & Defense. BLKC tracks Alerian Galaxy Global Cryptocurrency-Focused Blockchain Equity, Trusts and ETPs Index, while PPA tracks SPADE Defense Index. Their fees differ too: 0.60% for BLKC and 0.58% for PPA.