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 -33.68% vs -7.52% for STRF. Their 0.67 correlation means they have sometimes moved together and sometimes differently.
Performance
STRK vs. STRF - Performance Comparison
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Returns By Period
In the year-to-date period, STRK achieves a -14.60% return, which is significantly lower than STRF's 2.69% return.
STRK
- 1D
- 3.76%
- 1M
- 0.55%
- 6M
- -17.06%
- YTD
- -14.60%
- 1Y
- -33.68%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- -10.52%
STRF
- 1D
- 1.21%
- 1M
- 0.35%
- 6M
- 5.89%
- YTD
- 2.69%
- 1Y
- -7.52%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- 12.68%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $9.03M | $8.06M | $13.69M | |
| $4.94M | $4.62M | $9.70M |
STRK vs. STRF - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
STRK Strategy Inc. 8.00% Series A Perpetual Strike Preferred Stock | -14.60% | -3.60% |
STRF Strategy 10.00% Series A Perpetual Strife Preferred Stock | 2.69% | 14.48% |
Correlation
The correlation between STRK and STRF 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 | 0.67 |
The correlation between STRK and STRF has been stable across timeframes, ranging from 0.67 to 0.68 - a consistent structural relationship.
Fundamentals
STRK:
$18.36B
STRF:
$28.49B
STRK:
-$97.96
STRF:
-$97.96
STRK:
39.53
STRF:
61.35
STRK:
1.29
STRF:
2.00
STRK:
$498.35M
STRF:
$498.35M
STRK:
$336.89M
STRF:
$336.89M
STRK:
-$36.86B
STRF:
-$36.86B
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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 | -0.64 | ||
| Sortino ratioReturn per unit of downside risk | -1.02 | ||
| Omega ratioGain probability vs. loss probability | 0.84 | 0.96 | -0.12 |
| Calmar ratioReturn relative to maximum drawdown | -0.73 | -0.38 | -0.35 |
| Martin ratioReturn relative to average drawdown | -1.38 | -0.78 | -0.60 |
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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.
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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 | -46.22% | -19.82% | -26.40% |
Current DrawdownCurrent decline from peak | -44.09% | -14.15% | -29.94% |
Average DrawdownAverage peak-to-trough decline | -24.17% | -11.26% | -12.91% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 24.38% | 9.61% | +14.77% |
Volatility
STRK vs. STRF - Volatility Comparison
Strategy Inc. 8.00% Series A Perpetual Strike Preferred Stock (STRK) has a higher volatility of 9.48% compared to Strategy 10.00% Series A Perpetual Strife Preferred Stock (STRF) at 5.85%. 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 | 9.48% | 5.85% | +3.63% |
Volatility (6M)Calculated over the trailing 6-month period | 28.21% | 17.71% | +10.50% |
Volatility (1Y)Calculated over the trailing 1-year period | 35.95% | 24.65% | +11.30% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 37.45% | 25.95% | +11.50% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 37.45% | 25.95% | +11.50% |
Dividends
STRK vs. STRF - Dividend Comparison
STRK's dividend yield for the trailing twelve months is around 16.18%, more than STRF's 13.03% yield.
| Position | TTM | 2025 |
|---|---|---|
STRF Strategy 10.00% Series A Perpetual Strife Preferred Stock | 13.03% | 7.56% |
STRK Strategy Inc. 8.00% Series A Perpetual Strike Preferred Stock | 16.18% | 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 (9.48%) compared to STRF (5.85%). In terms of maximum drawdown, STRK dropped -53.21% vs STRF's -24.48%.
STRF currently has the higher Sharpe Ratio (-0.31 vs -0.94), 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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