STRK vs. STRF
STRK (Strategy Inc. 8.00% Series A Perpetual Strike Preferred Stock) and STRF (Strategy 10.00% Series A Perpetual Strife Preferred Stock) are both stocks. Both operate in the Software - Application industry within the Technology sector. Over the past year, STRK returned -41.47% vs -9.19% for STRF. A 0.66 correlation means they provide meaningful diversification when combined.
Performance
STRK vs. STRF - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, STRK achieves a -15.72% return, which is significantly lower than STRF's 1.78% return.
STRK
- 1D
- 1.04%
- 1M
- -6.99%
- 6M
- -24.28%
- YTD
- -15.72%
- 1Y
- -41.47%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
STRF
- 1D
- -0.01%
- 1M
- 5.31%
- 6M
- -1.32%
- YTD
- 1.78%
- 1Y
- -9.19%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
STRK vs. STRF - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
STRK Strategy Inc. 8.00% Series A Perpetual Strike Preferred Stock | -15.72% | -3.60% |
STRF Strategy 10.00% Series A Perpetual Strife Preferred Stock | 1.78% | 14.48% |
Correlation
The correlation between STRK and STRF is 0.65, 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 | 0.65 |
Correlation (All Time) Calculated using the full available price history since Mar 26, 2025 | 0.66 |
The correlation between STRK and STRF has been stable across timeframes, ranging from 0.65 to 0.66 - a consistent structural relationship.
Fundamentals
STRK:
$18.12B
STRF:
$28.24B
STRK:
-$39.78
STRF:
-$39.78
STRK:
38.63
STRF:
60.21
STRK:
0.56
STRF:
0.87
STRK:
$490.47M
STRF:
$490.47M
STRK:
$334.08M
STRF:
$334.08M
STRK:
$466.93M
STRF:
$466.93M
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
STRK vs. STRF — Risk / Return Rank
STRK
STRF
STRK vs. STRF - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Strategy Inc. 8.00% Series A Perpetual Strike Preferred Stock (STRK) and Strategy 10.00% Series A Perpetual Strife Preferred Stock (STRF). 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.
| STRK | STRF | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.77 | ||
| Sortino ratioReturn per unit of downside risk | -1.35 | ||
| Omega ratioGain probability vs. loss probability | 0.80 | 0.95 | -0.15 |
| Calmar ratioReturn relative to maximum drawdown | -0.81 | -0.44 | -0.37 |
| Martin ratioReturn relative to average drawdown | -1.39 | -0.85 | -0.54 |
Loading charts...
Drawdowns
STRK vs. STRF - Drawdown Comparison
The maximum STRK drawdown since its inception was -53.21%, which is greater than STRF's maximum drawdown of -24.48%. Use the drawdown chart below to compare losses from any high point for STRK and STRF.
Loading charts...
Drawdown Indicators
| STRK | STRF | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -53.21% | -24.48% | -28.73% |
Max Drawdown (1Y)Largest decline over 1 year | -51.53% | -21.19% | -30.34% |
Current DrawdownCurrent decline from peak | -44.83% | -14.91% | -29.92% |
Average DrawdownAverage peak-to-trough decline | -23.39% | -11.16% | -12.23% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 29.82% | 10.87% | +18.95% |
Volatility
STRK vs. STRF - Volatility Comparison
Strategy Inc. 8.00% Series A Perpetual Strike Preferred Stock (STRK) has a higher volatility of 19.12% compared to Strategy 10.00% Series A Perpetual Strife Preferred Stock (STRF) at 12.49%. This indicates that STRK's price experiences larger fluctuations and is considered to be riskier than STRF based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| STRK | STRF | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 19.12% | 12.49% | +6.63% |
Volatility (6M)Calculated over the trailing 6-month period | 27.71% | 18.18% | +9.53% |
Volatility (1Y)Calculated over the trailing 1-year period | 36.71% | 25.50% | +11.21% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 37.55% | 26.12% | +11.43% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 37.55% | 26.12% | +11.43% |
Dividends
STRK vs. STRF - Dividend Comparison
STRK's dividend yield for the trailing twelve months is around 16.40%, more than STRF's 13.15% 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 | 16.40% | 9.19% |
Financials
STRK vs. STRF - Financials Comparison
This section allows you to compare key financial metrics between Strategy Inc. 8.00% Series A Perpetual Strike Preferred Stock and Strategy 10.00% Series A Perpetual Strife 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
STRK and STRF have a correlation of 0.65, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
STRK has higher volatility (19.12%) compared to STRF (12.49%). In terms of maximum drawdown, STRK dropped -53.21% vs STRF's -24.48%.
STRF currently has the higher Sharpe Ratio (-0.36 vs -1.14), 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.
Find the right allocation for STRK and STRF
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer