SEMI vs. RBOT
SEMI (Columbia Select Technology ETF) is Semiconductors fund actively managed by Columbia, while RBOT (Vicarious Surgical Inc.) is a stock. Over the past 3 years, SEMI returned 28.16%/yr vs -85.19%/yr for RBOT. At a 0.26 correlation, their price movements are largely independent.
Performance
SEMI vs. RBOT - Performance Comparison
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Returns By Period
In the year-to-date period, SEMI achieves a 26.33% return, which is significantly higher than RBOT's -91.24% return.
SEMI
- 1D
- -4.96%
- 1M
- 3.03%
- YTD
- 26.33%
- 6M
- 25.43%
- 1Y
- 54.26%
- 3Y*
- 28.16%
- 5Y*
- —
- 10Y*
- —
RBOT
- 1D
- -5.00%
- 1M
- -78.87%
- YTD
- -91.24%
- 6M
- -90.50%
- 1Y
- -97.58%
- 3Y*
- -85.19%
- 5Y*
- -77.06%
- 10Y*
- —
SEMI vs. RBOT - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | |
|---|---|---|---|---|---|
SEMI Columbia Select Technology ETF | 26.33% | 24.91% | 15.87% | 45.37% | -23.94% |
RBOT Vicarious Surgical Inc. | -91.24% | -83.51% | 19.63% | -81.85% | -57.20% |
Correlation
The correlation between SEMI and RBOT is 0.20, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.20 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.19 |
Correlation (All Time) Calculated using the full available price history since Mar 30, 2022 | 0.26 |
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Return for Risk
SEMI vs. RBOT — Risk / Return Rank
SEMI
RBOT
SEMI vs. RBOT - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Columbia Select Technology ETF (SEMI) and Vicarious Surgical Inc. (RBOT). 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.
| SEMI | RBOT | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +2.90 | ||
| Sortino ratioReturn per unit of downside risk | +5.83 | ||
| Omega ratioGain probability vs. loss probability | 1.37 | 0.60 | +0.77 |
| Calmar ratioReturn relative to maximum drawdown | 3.78 | -1.01 | +4.79 |
| Martin ratioReturn relative to average drawdown | 13.59 | -1.47 | +15.05 |
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Drawdowns
SEMI vs. RBOT - Drawdown Comparison
The maximum SEMI drawdown since its inception was -33.46%, smaller than the maximum RBOT drawdown of -99.96%. Use the drawdown chart below to compare losses from any high point for SEMI and RBOT.
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Drawdown Indicators
| SEMI | RBOT | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -33.46% | -99.96% | +66.50% |
Max Drawdown (1Y)Largest decline over 1 year | -14.41% | -98.56% | +84.15% |
Max Drawdown (3Y)Largest decline over 3 years | -32.93% | -99.69% | +66.76% |
Max Drawdown (5Y)Largest decline over 5 years | — | -99.96% | — |
Current DrawdownCurrent decline from peak | -4.96% | -99.96% | +95.00% |
Average DrawdownAverage peak-to-trough decline | -9.86% | -69.99% | +60.13% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.01% | 59.64% | -55.63% |
Volatility
SEMI vs. RBOT - Volatility Comparison
The current volatility for Columbia Select Technology ETF (SEMI) is 12.90%, while Vicarious Surgical Inc. (RBOT) has a volatility of 102.24%. This indicates that SEMI experiences smaller price fluctuations and is considered to be less risky than RBOT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SEMI | RBOT | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 12.90% | 102.24% | -89.34% |
Volatility (6M)Calculated over the trailing 6-month period | 20.53% | 130.15% | -109.62% |
Volatility (1Y)Calculated over the trailing 1-year period | 24.91% | 139.34% | -114.43% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 31.93% | 117.55% | -85.62% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 31.93% | 108.82% | -76.89% |
Dividends
SEMI vs. RBOT - Dividend Comparison
SEMI's dividend yield for the trailing twelve months is around 3.55%, while RBOT has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 |
|---|---|---|---|---|---|
RBOT Vicarious Surgical Inc. | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
SEMI Columbia Select Technology ETF | 3.55% | 4.48% | 0.96% | 0.87% | 0.67% |
Frequently Asked Questions
SEMI and RBOT have a correlation of 0.20, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
RBOT has higher volatility (102.24%) compared to SEMI (12.90%). In terms of maximum drawdown, SEMI dropped -33.46% vs RBOT's -99.96%.
SEMI currently has the higher Sharpe Ratio (2.19 vs -0.71), 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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