ROKT vs. COHR
ROKT (SPDR S&P Kensho Final Frontiers ETF) is Industrials Equities fund tracking the S&P Kensho Final Frontiers Index, while COHR (Coherent, Inc.) is a stock. Over the past 5 years, ROKT returned 23.65%/yr vs 40.59%/yr for COHR. A 0.54 correlation means they provide meaningful diversification when combined.
Performance
ROKT vs. COHR - Performance Comparison
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Returns By Period
In the year-to-date period, ROKT achieves a 41.13% return, which is significantly lower than COHR's 108.61% return.
ROKT
- 1D
- -3.50%
- 1M
- 2.08%
- YTD
- 41.13%
- 6M
- 44.16%
- 1Y
- 96.95%
- 3Y*
- 41.87%
- 5Y*
- 23.65%
- 10Y*
- —
COHR
- 1D
- 5.90%
- 1M
- 0.67%
- YTD
- 108.61%
- 6M
- 115.90%
- 1Y
- 397.65%
- 3Y*
- 107.95%
- 5Y*
- 40.59%
- 10Y*
- 34.35%
ROKT vs. COHR - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
ROKT SPDR S&P Kensho Final Frontiers ETF | 41.13% | 50.56% | 27.89% | 14.41% | -0.81% | 4.63% | 7.99% | 40.90% | -12.90% |
COHR Coherent, Inc. | 108.61% | 94.84% | 117.62% | 24.02% | -48.63% | -10.04% | 125.60% | 3.73% | -15.58% |
Correlation
The correlation between ROKT and COHR is 0.48, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.48 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.52 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.56 |
Correlation (All Time) Calculated using the full available price history since Oct 23, 2018 | 0.54 |
The correlation between ROKT and COHR has been stable across timeframes, ranging from 0.48 to 0.56 - a consistent structural relationship.
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Return for Risk
ROKT vs. COHR — Risk / Return Rank
ROKT
COHR
ROKT vs. COHR - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for SPDR S&P Kensho Final Frontiers ETF (ROKT) and Coherent, Inc. (COHR). 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.
| ROKT | COHR | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.99 | ||
| Sortino ratioReturn per unit of downside risk | -0.16 | ||
| Omega ratioGain probability vs. loss probability | 1.48 | 1.54 | -0.07 |
| Calmar ratioReturn relative to maximum drawdown | 6.38 | 14.28 | -7.90 |
| Martin ratioReturn relative to average drawdown | 26.23 | 39.14 | -12.91 |
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Drawdowns
ROKT vs. COHR - Drawdown Comparison
The maximum ROKT drawdown since its inception was -43.16%, smaller than the maximum COHR drawdown of -80.89%. Use the drawdown chart below to compare losses from any high point for ROKT and COHR.
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Drawdown Indicators
| ROKT | COHR | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -43.16% | -80.89% | +37.73% |
Max Drawdown (1Y)Largest decline over 1 year | -15.27% | -26.52% | +11.25% |
Max Drawdown (3Y)Largest decline over 3 years | -23.46% | -54.85% | +31.39% |
Max Drawdown (5Y)Largest decline over 5 years | -23.46% | -62.87% | +39.41% |
Max Drawdown (10Y)Largest decline over 10 years | — | -72.22% | — |
Current DrawdownCurrent decline from peak | -12.20% | -9.81% | -2.39% |
Average DrawdownAverage peak-to-trough decline | -6.77% | -35.02% | +28.25% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.71% | 9.66% | -5.95% |
Volatility
ROKT vs. COHR - Volatility Comparison
The current volatility for SPDR S&P Kensho Final Frontiers ETF (ROKT) is 16.11%, while Coherent, Inc. (COHR) has a volatility of 27.87%. This indicates that ROKT experiences smaller price fluctuations and is considered to be less risky than COHR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ROKT | COHR | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 16.11% | 27.87% | -11.76% |
Volatility (6M)Calculated over the trailing 6-month period | 27.24% | 57.45% | -30.21% |
Volatility (1Y)Calculated over the trailing 1-year period | 30.97% | 73.72% | -42.75% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 23.32% | 61.62% | -38.30% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 25.42% | 56.55% | -31.13% |
Dividends
ROKT vs. COHR - Dividend Comparison
ROKT's dividend yield for the trailing twelve months is around 0.28%, while COHR has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 |
|---|---|---|---|---|---|---|---|---|---|
COHR Coherent, Inc. | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
ROKT SPDR S&P Kensho Final Frontiers ETF | 0.28% | 0.41% | 0.57% | 0.62% | 0.54% | 1.79% | 0.48% | 0.74% | 0.16% |
Frequently Asked Questions
ROKT and COHR have a correlation of 0.48, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
COHR has higher volatility (27.87%) compared to ROKT (16.11%). In terms of maximum drawdown, ROKT dropped -43.16% vs COHR's -80.89%.
COHR currently has the higher Sharpe Ratio (5.14 vs 3.15), 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.
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