STRF vs. STRK
STRF (Strategy 10.00% Series A Perpetual Strife Preferred Stock) and STRK (Strategy Inc. 8.00% Series A Perpetual Strike Preferred Stock) are both stocks. Both operate in the Software - Application industry within the Technology sector. Over the past year, STRF returned -12.05% vs -43.95% for STRK. A 0.66 correlation means they provide meaningful diversification when combined.
Performance
STRF vs. STRK - Performance Comparison
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Returns By Period
In the year-to-date period, STRF achieves a 1.79% return, which is significantly higher than STRK's -16.59% return.
STRF
- 1D
- -1.06%
- 1M
- 5.32%
- 6M
- -1.37%
- YTD
- 1.79%
- 1Y
- -12.05%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
STRK
- 1D
- -0.97%
- 1M
- -7.95%
- 6M
- -23.32%
- YTD
- -16.59%
- 1Y
- -43.95%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
STRF vs. STRK - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
STRF Strategy 10.00% Series A Perpetual Strife Preferred Stock | 1.79% | 14.48% |
STRK Strategy Inc. 8.00% Series A Perpetual Strike Preferred Stock | -16.59% | -3.60% |
Correlation
The correlation between STRF and STRK is 0.66, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.66 |
Correlation (All Time) Calculated using the full available price history since Mar 26, 2025 | 0.66 |
The correlation between STRF and STRK has been stable across timeframes, ranging from 0.66 to 0.66 - a consistent structural relationship.
Fundamentals
STRF:
$28.24B
STRK:
$17.93B
STRF:
-$39.78
STRK:
-$39.78
STRF:
60.21
STRK:
38.23
STRF:
0.87
STRK:
0.55
STRF:
$490.47M
STRK:
$490.47M
STRF:
$334.08M
STRK:
$334.08M
STRF:
$466.93M
STRK:
$466.93M
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Return for Risk
STRF vs. STRK — Risk / Return Rank
STRF
STRK
STRF vs. STRK - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Strategy 10.00% Series A Perpetual Strife Preferred Stock (STRF) and Strategy Inc. 8.00% Series A Perpetual Strike Preferred Stock (STRK). 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.
| STRF | STRK | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.73 | ||
| Sortino ratioReturn per unit of downside risk | +1.32 | ||
| Omega ratioGain probability vs. loss probability | 0.93 | 0.78 | +0.15 |
| Calmar ratioReturn relative to maximum drawdown | -0.57 | -0.86 | +0.28 |
| Martin ratioReturn relative to average drawdown | -1.11 | -1.48 | +0.37 |
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Drawdowns
STRF vs. STRK - Drawdown Comparison
The maximum STRF drawdown since its inception was -24.48%, smaller than the maximum STRK drawdown of -53.21%. Use the drawdown chart below to compare losses from any high point for STRF and STRK.
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Drawdown Indicators
| STRF | STRK | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -24.48% | -53.21% | +28.73% |
Max Drawdown (1Y)Largest decline over 1 year | -21.19% | -51.53% | +30.34% |
Current DrawdownCurrent decline from peak | -14.90% | -45.40% | +30.50% |
Average DrawdownAverage peak-to-trough decline | -11.15% | -23.33% | +12.18% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 11.64% | 30.30% | -18.66% |
Volatility
STRF vs. STRK - Volatility Comparison
The current volatility for Strategy 10.00% Series A Perpetual Strife Preferred Stock (STRF) is 12.52%, while Strategy Inc. 8.00% Series A Perpetual Strike Preferred Stock (STRK) has a volatility of 19.21%. This indicates that STRF experiences smaller price fluctuations and is considered to be less risky than STRK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| STRF | STRK | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 12.52% | 19.21% | -6.69% |
Volatility (6M)Calculated over the trailing 6-month period | 18.18% | 27.68% | -9.50% |
Volatility (1Y)Calculated over the trailing 1-year period | 25.55% | 36.76% | -11.21% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 26.16% | 37.59% | -11.43% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 26.16% | 37.59% | -11.43% |
Dividends
STRF vs. STRK - Dividend Comparison
STRF's dividend yield for the trailing twelve months is around 13.15%, less than STRK's 16.57% yield.
| Position | TTM | 2025 |
|---|---|---|
STRF Strategy 10.00% Series A Perpetual Strife Preferred Stock | 13.15% | 7.56% |
STRK Strategy Inc. 8.00% Series A Perpetual Strike Preferred Stock | 16.57% | 9.19% |
Financials
STRF vs. STRK - Financials Comparison
This section allows you to compare key financial metrics between Strategy 10.00% Series A Perpetual Strife Preferred Stock and Strategy Inc. 8.00% Series A Perpetual Strike Preferred Stock. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
Frequently Asked Questions
STRF and STRK have a correlation of 0.66, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
STRK has higher volatility (19.21%) compared to STRF (12.52%). In terms of maximum drawdown, STRF dropped -24.48% vs STRK's -53.21%.
STRF currently has the higher Sharpe Ratio (-0.47 vs -1.20), 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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