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 -8.63% vs -36.08% for STRK. Their 0.66 correlation means they have sometimes moved together and sometimes differently.
Performance
STRF vs. STRK - Performance Comparison
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Returns By Period
In the year-to-date period, STRF achieves a 1.46% return, which is significantly higher than STRK's -17.69% return.
STRF
- 1D
- -3.31%
- 1M
- -0.86%
- 6M
- 2.53%
- YTD
- 1.46%
- 1Y
- -8.63%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- 11.76%
STRK
- 1D
- -5.49%
- 1M
- -3.09%
- 6M
- -23.73%
- YTD
- -17.69%
- 1Y
- -36.08%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- -12.78%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $9.00M | $8.31M | $13.73M | |
| $4.70M | $4.68M | $9.85M |
STRF vs. STRK - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
STRF Strategy 10.00% Series A Perpetual Strife Preferred Stock | 1.46% | 14.48% |
STRK Strategy Inc. 8.00% Series A Perpetual Strike Preferred Stock | -17.69% | -3.60% |
Correlation
The correlation between STRF and STRK is 0.68, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.68 |
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 0.68 - a consistent structural relationship.
Fundamentals
STRF:
$28.15B
STRK:
$17.69B
STRF:
-$97.96
STRK:
-$97.96
STRF:
60.62
STRK:
38.10
STRF:
1.98
STRK:
1.24
STRF:
$498.35M
STRK:
$498.35M
STRF:
$336.89M
STRK:
$336.89M
STRF:
-$36.86B
STRK:
-$36.86B
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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 | +0.62 | ||
| Sortino ratioReturn per unit of downside risk | +1.06 | ||
| Omega ratioGain probability vs. loss probability | 0.93 | 0.81 | +0.12 |
| Calmar ratioReturn relative to maximum drawdown | -0.58 | -0.85 | +0.27 |
| Martin ratioReturn relative to average drawdown | -1.20 | -1.61 | +0.41 |
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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 | -19.82% | -46.22% | +26.40% |
Current DrawdownCurrent decline from peak | -15.18% | -46.12% | +30.94% |
Average DrawdownAverage peak-to-trough decline | -11.25% | -24.12% | +12.87% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 11.05% | 25.40% | -14.35% |
Volatility
STRF vs. STRK - Volatility Comparison
The current volatility for Strategy 10.00% Series A Perpetual Strife Preferred Stock (STRF) is 5.79%, while Strategy Inc. 8.00% Series A Perpetual Strike Preferred Stock (STRK) has a volatility of 8.78%. 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 | 5.79% | 8.78% | -2.99% |
Volatility (6M)Calculated over the trailing 6-month period | 18.02% | 28.23% | -10.21% |
Volatility (1Y)Calculated over the trailing 1-year period | 24.93% | 36.54% | -11.61% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 25.97% | 37.37% | -11.40% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 25.97% | 37.37% | -11.40% |
Dividends
STRF vs. STRK - Dividend Comparison
STRF's dividend yield for the trailing twelve months is around 13.19%, less than STRK's 16.79% yield.
| Position | TTM | 2025 |
|---|---|---|
STRF Strategy 10.00% Series A Perpetual Strife Preferred Stock | 13.19% | 7.56% |
STRK Strategy Inc. 8.00% Series A Perpetual Strike Preferred Stock | 16.79% | 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 0.68, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
STRK has higher volatility (8.78%) compared to STRF (5.79%). In terms of maximum drawdown, STRF dropped -24.48% vs STRK's -53.21%.
STRF currently has the higher Sharpe Ratio (-0.47 vs -1.09), 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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