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 -39.22% vs -3.78% for STRF. A 0.67 correlation means they provide meaningful diversification when combined.
Performance
STRK vs. STRF - Performance Comparison
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Returns By Period
In the year-to-date period, STRK achieves a -23.36% return, which is significantly lower than STRF's -5.08% return.
STRK
- 1D
- -8.10%
- 1M
- -20.25%
- YTD
- -23.36%
- 6M
- -26.88%
- 1Y
- -39.22%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
STRF
- 1D
- -3.25%
- 1M
- -7.81%
- YTD
- -5.08%
- 6M
- -9.68%
- 1Y
- -3.78%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
STRK vs. STRF - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
STRK Strategy Inc. 8.00% Series A Perpetual Strike Preferred Stock | -23.36% | -3.60% |
STRF Strategy 10.00% Series A Perpetual Strife Preferred Stock | -5.08% | 14.48% |
Correlation
The correlation between STRK and STRF is 0.68, 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 | 0.68 |
Correlation (All Time) Calculated using the full available price history since Mar 26, 2025 | 0.67 |
The correlation between STRK and STRF has been stable across timeframes, ranging from 0.67 to 0.68 - a consistent structural relationship.
Fundamentals
STRK:
$18.52B
STRF:
$29.60B
STRK:
-$40.19
STRF:
-$40.19
STRK:
34.77
STRF:
55.58
STRK:
0.51
STRF:
0.81
STRK:
$490.47M
STRF:
$490.47M
STRK:
$334.08M
STRF:
$334.08M
STRK:
$466.93M
STRF:
$466.93M
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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 | -0.90 | ||
| Sortino ratioReturn per unit of downside risk | -1.57 | ||
| Omega ratioGain probability vs. loss probability | 0.81 | 0.99 | -0.18 |
| Calmar ratioReturn relative to maximum drawdown | -0.79 | -0.16 | -0.63 |
| Martin ratioReturn relative to average drawdown | -1.29 | -0.27 | -1.02 |
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Drawdowns
STRK vs. STRF - Drawdown Comparison
The maximum STRK drawdown since its inception was -49.83%, which is greater than STRF's maximum drawdown of -24.01%. Use the drawdown chart below to compare losses from any high point for STRK and STRF.
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Drawdown Indicators
| STRK | STRF | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -49.83% | -24.01% | -25.82% |
Max Drawdown (1Y)Largest decline over 1 year | -49.83% | -24.01% | -25.82% |
Current DrawdownCurrent decline from peak | -49.83% | -20.65% | -29.18% |
Average DrawdownAverage peak-to-trough decline | -22.54% | -10.96% | -11.58% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 30.35% | 13.88% | +16.47% |
Volatility
STRK vs. STRF - Volatility Comparison
Strategy Inc. 8.00% Series A Perpetual Strike Preferred Stock (STRK) has a higher volatility of 14.43% compared to Strategy 10.00% Series A Perpetual Strife Preferred Stock (STRF) at 8.16%. 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.
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Volatility by Period
| STRK | STRF | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 14.43% | 8.16% | +6.27% |
Volatility (6M)Calculated over the trailing 6-month period | 25.32% | 15.59% | +9.73% |
Volatility (1Y)Calculated over the trailing 1-year period | 37.30% | 25.22% | +12.08% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 36.24% | 24.88% | +11.36% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 36.24% | 24.88% | +11.36% |
Dividends
STRK vs. STRF - Dividend Comparison
STRK's dividend yield for the trailing twelve months is around 18.03%, more than STRF's 14.10% yield.
| Position | TTM | 2025 |
|---|---|---|
STRF Strategy 10.00% Series A Perpetual Strife Preferred Stock | 14.10% | 7.56% |
STRK Strategy Inc. 8.00% Series A Perpetual Strike Preferred Stock | 18.03% | 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 0.68, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
STRK has higher volatility (14.43%) compared to STRF (8.16%). In terms of maximum drawdown, STRK dropped -49.83% vs STRF's -24.01%.
STRF currently has the higher Sharpe Ratio (-0.15 vs -1.06), 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.
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