BLKC vs. PPA

Last updated Apr 1, 2026

Compare and contrast key facts about Invesco Alerian Galaxy Blockchain Users and Decentralized Commerce ETF (BLKC) and Invesco Aerospace & Defense ETF (PPA).

BLKC and PPA are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. BLKC is a passively managed fund by Invesco that tracks the performance of the Alerian Galaxy Global Cryptocurrency-Focused Blockchain Equity, Trusts and ETPs Index. It was launched on Oct 7, 2021. PPA is a passively managed fund by Invesco that tracks the performance of the SPADE Defense Index. It was launched on Oct 26, 2005. Both BLKC and PPA are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.

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.

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	5.82%	37.15%	25.28%	18.41%	9.52%	-2.17%

Returns By Period

BLKC

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

PPA

• 1D: 3.49%
• 1M: -8.46%
• YTD: 5.82%
• 6M: 6.62%
• 1Y: 42.80%
• 3Y*: 27.91%
• 5Y*: 18.59%
• 10Y*: 17.70%

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

BLKC vs. PPA - Expense Ratio Comparison

BLKC has a 0.60% expense ratio, which is lower than PPA's 0.61% expense ratio.

PPA

Invesco Aerospace & Defense ETF

BLKC

Invesco Alerian Galaxy Blockchain Users and Decentralized Commerce ETF

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: 92
PPA Sharpe Ratio Rank: 91
PPA Sortino Ratio Rank: 92
PPA Omega Ratio Rank: 90
PPA Calmar Ratio Rank: 92
PPA Martin Ratio Rank: 92

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	—	1.99	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	1.03	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.87	—
Sharpe Ratio (All Time) Calculated using the full available price history	—	0.66	—

Correlation

The correlation between BLKC and PPA is 0.51, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

BLKC vs. PPA - Dividend Comparison

BLKC's dividend yield for the trailing twelve months is around 4.39%, more than PPA's 0.40% yield.

	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	0.40%	0.42%	0.61%	0.67%	0.83%	0.59%	0.88%	0.95%	0.90%	0.67%	1.70%	1.41%

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 (5Y) Largest decline over 5 years	—	-18.37%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-43.92%	—
Current Drawdown Current decline from peak	—	-10.69%	—
Average Drawdown Average peak-to-trough decline	—	-9.19%	—
Ulcer Index Depth and duration of drawdowns from previous peaks	—	3.41%	—

Volatility

Volatility by Period

	BLKC	PPA	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	7.16%	—
Volatility (6M) Calculated over the trailing 6-month period	—	15.07%	—
Volatility (1Y) Calculated over the trailing 1-year period	—	21.64%	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	—	18.19%	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	—	20.48%	—