BKSY vs. OPPJ

Last updated Jul 15, 2026

BKSY (BlackSky Technology Inc.) is a stock, while OPPJ (WisdomTree Japan Opportunities ETF) is Japan Equities fund tracking the WisdomTree Japan Opportunities Index. Over the past 5 years, BKSY returned -20.26%/yr vs 24.96%/yr for OPPJ. At a 0.20 correlation, their price movements are largely independent.

Performance

BKSY vs. OPPJ - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in BlackSky Technology Inc. (BKSY) and WisdomTree Japan Opportunities ETF (OPPJ). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BKSY achieves a 36.91% return, which is significantly higher than OPPJ's 25.07% return.

BKSY

• 1D: -1.53%
• 1M: -20.82%
• 6M: 0.23%
• YTD: 36.91%
• 1Y: 5.81%
• 3Y*: 17.07%
• 5Y*: -20.26%
• 10Y*: —

OPPJ

• 1D: 1.19%
• 1M: -0.92%
• 6M: 15.71%
• YTD: 25.07%
• 1Y: 60.60%
• 3Y*: 33.55%
• 5Y*: 24.96%
• 10Y*: 17.32%

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

BKSY vs. OPPJ - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
BKSY BlackSky Technology Inc.	36.91%	73.77%	-3.66%	-9.09%	-65.70%	-57.12%	7.38%	0.52%
OPPJ WisdomTree Japan Opportunities ETF	25.07%	37.08%	20.70%	38.96%	5.02%	11.66%	-3.22%	-1.47%

Correlation

The correlation between BKSY and OPPJ is 0.15, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.15
Correlation (3Y) Calculated over the trailing 3-year period	0.18
Correlation (5Y) Calculated over the trailing 5-year period	0.22
Correlation (All Time) Calculated using the full available price history since Dec 20, 2019	0.20

Return for Risk

BKSY vs. OPPJ — Risk / Return Rank

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

BKSY

BKSY Risk / Return Rank: 51
BKSY Sharpe Ratio Rank: 48
BKSY Sortino Ratio Rank: 56
BKSY Omega Ratio Rank: 54
BKSY Calmar Ratio Rank: 48
BKSY Martin Ratio Rank: 47

OPPJ

OPPJ Risk / Return Rank: 94
OPPJ Sharpe Ratio Rank: 95
OPPJ Sortino Ratio Rank: 93
OPPJ Omega Ratio Rank: 91
OPPJ Calmar Ratio Rank: 95
OPPJ Martin Ratio Rank: 94

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.

BKSY vs. OPPJ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for BlackSky Technology Inc. (BKSY) and WisdomTree Japan Opportunities ETF (OPPJ). 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.

	BKSY	OPPJ	Difference
Sharpe ratio: Return per unit of total volatility	0.06	2.90	-2.84
Sortino ratio: Return per unit of downside risk	0.85	3.73	-2.88
Omega ratio: Gain probability vs. loss probability	1.10	1.47	-0.37
Calmar ratio: Return relative to maximum drawdown	0.10	6.20	-6.10
Martin ratio: Return relative to average drawdown	0.18	19.65	-19.47

BKSY vs. OPPJ - Sharpe Ratio Comparison

The current BKSY Sharpe Ratio is 0.06, which is lower than the OPPJ Sharpe Ratio of 2.90. The chart below compares the historical Sharpe Ratios of BKSY and OPPJ, 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

BKSY vs. OPPJ - Drawdown Comparison

The maximum BKSY drawdown since its inception was -96.61%, which is greater than OPPJ's maximum drawdown of -39.30%. Use the drawdown chart below to compare losses from any high point for BKSY and OPPJ.

Drawdown Indicators

	BKSY	OPPJ	Difference
Max Drawdown Largest peak-to-trough decline	-96.61%	-39.30%	-57.31%
Max Drawdown (1Y) Largest decline over 1 year	-58.46%	-9.82%	-48.64%
Max Drawdown (3Y) Largest decline over 3 years	-74.75%	-16.49%	-58.26%
Max Drawdown (5Y) Largest decline over 5 years	-96.04%	-16.49%	-79.55%
Max Drawdown (10Y) Largest decline over 10 years	—	-39.30%	—
Current Drawdown Current decline from peak	-78.59%	-5.09%	-73.50%
Average Drawdown Average peak-to-trough decline	-65.26%	-6.48%	-58.78%
Ulcer Index Depth and duration of drawdowns from previous peaks	31.76%	3.10%	+28.66%

Volatility

BKSY vs. OPPJ - Volatility Comparison

BlackSky Technology Inc. (BKSY) has a higher volatility of 23.33% compared to WisdomTree Japan Opportunities ETF (OPPJ) at 7.59%. This indicates that BKSY's price experiences larger fluctuations and is considered to be riskier than OPPJ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BKSY	OPPJ	Difference
Volatility (1M) Calculated over the trailing 1-month period	23.33%	7.59%	+15.74%
Volatility (6M) Calculated over the trailing 6-month period	81.08%	17.00%	+64.08%
Volatility (1Y) Calculated over the trailing 1-year period	105.87%	21.02%	+84.85%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	99.87%	18.32%	+81.55%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	88.52%	19.56%	+68.96%

Dividends

BKSY vs. OPPJ - Dividend Comparison

BKSY has not paid dividends to shareholders, while OPPJ's dividend yield for the trailing twelve months is around 1.12%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BKSY BlackSky Technology Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
OPPJ WisdomTree Japan Opportunities ETF	1.12%	1.78%	4.02%	2.71%	2.63%	2.96%	3.04%	2.17%	2.06%	1.53%	1.66%	3.61%

Frequently Asked Questions

Can I hold both BKSY and OPPJ in my portfolio?

BKSY and OPPJ have a correlation of 0.15, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BKSY or OPPJ?

BKSY has higher volatility (23.33%) compared to OPPJ (7.59%). In terms of maximum drawdown, BKSY dropped -96.61% vs OPPJ's -39.30%.

Which has better risk-adjusted returns?

OPPJ currently has the higher Sharpe Ratio (2.90 vs 0.06), 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.