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 23.09%/yr vs -86.28%/yr for RBOT. At a 0.25 correlation, their price movements are largely independent.
Performance
SEMI vs. RBOT - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, SEMI achieves a 22.22% return, which is significantly higher than RBOT's -92.86% return.
SEMI
- 1D
- -2.88%
- 1M
- -4.32%
- 6M
- 19.39%
- YTD
- 22.22%
- 1Y
- 38.24%
- 3Y*
- 23.09%
- 5Y*
- —
- 10Y*
- —
RBOT
- 1D
- -11.43%
- 1M
- -38.00%
- 6M
- -94.58%
- YTD
- -92.86%
- 1Y
- -98.64%
- 3Y*
- -86.28%
- 5Y*
- -77.96%
- 10Y*
- —
SEMI vs. RBOT - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | |
|---|---|---|---|---|---|
SEMI Columbia Select Technology ETF | 22.22% | 24.91% | 15.87% | 45.37% | -23.94% |
RBOT Vicarious Surgical Inc. | -92.86% | -83.51% | 19.63% | -81.85% | -57.20% |
Correlation
The correlation between SEMI and RBOT is 0.16, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.16 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.18 |
Correlation (All Time) Calculated using the full available price history since Mar 30, 2022 | 0.25 |
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
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 | +2.15 | ||
| Sortino ratioReturn per unit of downside risk | +5.50 | ||
| Omega ratioGain probability vs. loss probability | 1.25 | 0.56 | +0.69 |
| Calmar ratioReturn relative to maximum drawdown | 2.67 | -1.01 | +3.67 |
| Martin ratioReturn relative to average drawdown | 9.06 | -1.36 | +10.42 |
Loading charts...
Drawdowns
SEMI vs. RBOT - Drawdown Comparison
The maximum SEMI drawdown since its inception was -33.46%, smaller than the maximum RBOT drawdown of -99.97%. Use the drawdown chart below to compare losses from any high point for SEMI and RBOT.
Loading charts...
Drawdown Indicators
| SEMI | RBOT | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -33.46% | -99.97% | +66.51% |
Max Drawdown (1Y)Largest decline over 1 year | -14.41% | -98.91% | +84.50% |
Max Drawdown (3Y)Largest decline over 3 years | -32.93% | -99.76% | +66.83% |
Max Drawdown (5Y)Largest decline over 5 years | — | -99.97% | — |
Current DrawdownCurrent decline from peak | -8.06% | -99.97% | +91.91% |
Average DrawdownAverage peak-to-trough decline | -9.79% | -70.33% | +60.54% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.23% | 64.49% | -60.26% |
Volatility
SEMI vs. RBOT - Volatility Comparison
The current volatility for Columbia Select Technology ETF (SEMI) is 11.58%, while Vicarious Surgical Inc. (RBOT) has a volatility of 44.86%. 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.
Loading charts...
Volatility by Period
| SEMI | RBOT | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 11.58% | 44.86% | -33.28% |
Volatility (6M)Calculated over the trailing 6-month period | 22.31% | 131.88% | -109.57% |
Volatility (1Y)Calculated over the trailing 1-year period | 26.31% | 145.67% | -119.36% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 32.00% | 119.10% | -87.10% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 32.00% | 109.63% | -77.63% |
Dividends
SEMI vs. RBOT - Dividend Comparison
SEMI's dividend yield for the trailing twelve months is around 3.67%, 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 | 3.67% | 4.48% | 0.96% | 0.87% | 0.67% |
Frequently Asked Questions
SEMI and RBOT have a correlation of 0.16, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
RBOT has higher volatility (44.86%) compared to SEMI (11.58%). In terms of maximum drawdown, SEMI dropped -33.46% vs RBOT's -99.97%.
SEMI currently has the higher Sharpe Ratio (1.46 vs -0.69), 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 SEMI and RBOT
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