TEK vs. BRKC
TEK (iShares Technology Opportunities Active ETF) and BRKC (YieldMax BRK.B Option Income Strategy ETF) are both exchange-traded funds - TEK is a Technology Equities fund actively managed by iShares, while BRKC is a Derivative Income fund actively managed by YieldMax. Both are actively managed. Over the past year, TEK returned 39.18% vs 1.16% for BRKC. At a correlation of -0.19, they often move in opposite directions. TEK charges 0.75%/yr vs 0.99%/yr for BRKC.
Performance
TEK vs. BRKC - Performance Comparison
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Returns By Period
In the year-to-date period, TEK achieves a 27.66% return, which is significantly higher than BRKC's -0.89% return.
TEK
- 1D
- -4.31%
- 1M
- -5.00%
- 6M
- 23.88%
- YTD
- 27.66%
- 1Y
- 39.18%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
BRKC
- 1D
- 0.44%
- 1M
- 1.18%
- 6M
- -0.43%
- YTD
- -0.89%
- 1Y
- 1.16%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
TEK vs. BRKC - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
TEK iShares Technology Opportunities Active ETF | 27.66% | 15.30% |
BRKC YieldMax BRK.B Option Income Strategy ETF | -0.89% | 0.76% |
Correlation
The correlation between TEK and BRKC is -0.23, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | -0.23 |
Correlation (All Time) Calculated using the full available price history since Jun 5, 2025 | -0.19 |
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Return for Risk
TEK vs. BRKC — Risk / Return Rank
TEK
BRKC
TEK vs. BRKC - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Technology Opportunities Active ETF (TEK) and YieldMax BRK.B Option Income Strategy ETF (BRKC). 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.
| TEK | BRKC | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.18 | ||
| Sortino ratioReturn per unit of downside risk | +1.54 | ||
| Omega ratioGain probability vs. loss probability | 1.23 | 1.03 | +0.20 |
| Calmar ratioReturn relative to maximum drawdown | 2.04 | 0.15 | +1.89 |
| Martin ratioReturn relative to average drawdown | 5.62 | 0.32 | +5.30 |
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Drawdowns
TEK vs. BRKC - Drawdown Comparison
The maximum TEK drawdown since its inception was -28.24%, which is greater than BRKC's maximum drawdown of -7.59%. Use the drawdown chart below to compare losses from any high point for TEK and BRKC.
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Drawdown Indicators
| TEK | BRKC | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -28.24% | -7.59% | -20.65% |
Max Drawdown (1Y)Largest decline over 1 year | -19.29% | -7.59% | -11.70% |
Current DrawdownCurrent decline from peak | -11.40% | -2.88% | -8.52% |
Average DrawdownAverage peak-to-trough decline | -5.90% | -3.11% | -2.79% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 6.99% | 3.63% | +3.36% |
Volatility
TEK vs. BRKC - Volatility Comparison
iShares Technology Opportunities Active ETF (TEK) has a higher volatility of 15.63% compared to YieldMax BRK.B Option Income Strategy ETF (BRKC) at 3.02%. This indicates that TEK's price experiences larger fluctuations and is considered to be riskier than BRKC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| TEK | BRKC | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 15.63% | 3.02% | +12.61% |
Volatility (6M)Calculated over the trailing 6-month period | 27.20% | 9.86% | +17.34% |
Volatility (1Y)Calculated over the trailing 1-year period | 31.05% | 12.51% | +18.54% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 31.44% | 12.43% | +19.01% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 31.44% | 12.43% | +19.01% |
TEK vs. BRKC - Expense Ratio Comparison
TEK has a 0.75% expense ratio, which is lower than BRKC's 0.99% expense ratio.
Dividends
TEK vs. BRKC - Dividend Comparison
TEK's dividend yield for the trailing twelve months is around 1.24%, less than BRKC's 21.25% yield.
| Position | TTM | 2025 |
|---|---|---|
BRKC YieldMax BRK.B Option Income Strategy ETF | 21.25% | 10.81% |
TEK iShares Technology Opportunities Active ETF | 1.24% | 1.62% |
Frequently Asked Questions
TEK and BRKC have a correlation of -0.23, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
TEK has higher volatility (15.63%) compared to BRKC (3.02%). In terms of maximum drawdown, TEK dropped -28.24% vs BRKC's -7.59%.
On 1-year performance, TEK leads with 39.18% vs 1.16% for BRKC. On fees, TEK is cheaper at 0.75% per year. On volatility, BRKC has been the lower-risk option at 3.02%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, TEK has performed better with a 39.18% return vs 1.16%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
TEK is cheaper with a 0.75% expense ratio, compared with 0.99% for BRKC.
BRKC has the higher dividend yield at 21.25%, compared with 1.24% for TEK.
TEK is categorized as Technology Equities, while BRKC is Derivative Income. They also come from different issuers: iShares and YieldMax. Their fees differ too: 0.75% for TEK and 0.99% for BRKC.
TEK currently has the higher Sharpe Ratio (1.27 vs 0.09), 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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