Main Street Capital (MAIN) vs Nuveen Municipal High Income Opportunity Fund (NMZ)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
Main Street Capital is the larger company by market cap ($5.09 billion vs $1.94 billion), about 2.6 times the size. On valuation, Main Street Capital trades at a lower trailing P/E (10.9x vs 15.0x for Nuveen Municipal High Income Opportunity Fund). Nuveen Municipal High Income Opportunity Fund offers the higher dividend yield (8.67% vs 5.67%).
Summary generated from market data by MetaCap's automated system. Methodology
Head-to-head
| Metric | MAIN | NMZ |
|---|---|---|
| Share price | $54.47 | $9.03 |
| Market cap | $5.09B | $1.94B |
| 1-day change | +1.03% | +0.78% |
| YTD return | -10.28% | — |
| 1-year return | -12.29% | — |
| 5-year return | +27.18% | — |
| P/E ratio (TTM) | 10.94 | 15.05 |
| Forward P/E | 14.03 | — |
| EPS (TTM) | $4.98 | $0.60 |
| Dividend yield | 5.67% | 8.67% |
| Annual dividend | $3.09 | $0.783 |
| Net income (latest FY) | $493.40M | — |
| 52-week high | $65.23 | $10.77 |
| 52-week low | $48.95 | $8.69 |
| Distance from 52-week high | -16.50% | -16.16% |
| Analyst consensus | hold | — |
| Avg. price target upside | +10.76% | — |
| Average volume | 532.40K | 962.85K |
| Shares outstanding | 93.51M | 215.37M |
| Employees | 110 | — |
| Sector | Finance | Finance |
| Industry | Finance/Investors Services | Finance/Investors Services |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- Main Street Capital is about 2.6 times larger than Nuveen Municipal High Income Opportunity Fund by market value ($5.09B vs $1.94B).
- Nuveen Municipal High Income Opportunity Fund trades at a higher earnings multiple (15.0x vs 10.9x trailing P/E).
- Nuveen Municipal High Income Opportunity Fund offers a meaningfully higher dividend yield (8.67% vs 5.67%).
About Main Street Capital
MAIN stock →Main Street Capital Corporation is a business development company and a small business investment company specializing in direct and indirect investments. In direct investments, the firm specializes in private equity capital to lower middle market companies.
Finance · Finance/Investors Services · 110 employees
About Nuveen Municipal High Income Opportunity Fund
NMZ stock →Nuveen Municipal High Income Opportunity Fund is a closed-end fixed income mutual fund launched by Nuveen Investments Inc. The fund is co-managed by Nuveen Fund Advisors LLC and Nuveen Asset Management, LLC.
Finance · Finance/Investors Services
MAIN vs NMZ FAQ
Which is bigger, Main Street Capital or Nuveen Municipal High Income Opportunity Fund?
Main Street Capital (MAIN) is larger, with a market capitalization of $5.09B compared with $1.94B for Nuveen Municipal High Income Opportunity Fund (NMZ).
Which has the lower P/E ratio, MAIN or NMZ?
MAIN has the lower trailing P/E at 10.9, versus 15.0 for NMZ. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Which pays a higher dividend, Main Street Capital or Nuveen Municipal High Income Opportunity Fund?
Nuveen Municipal High Income Opportunity Fund has the higher yield at 8.67%, compared with 5.67% for Main Street Capital.
Are Main Street Capital and Nuveen Municipal High Income Opportunity Fund in the same industry?
Yes. Both are classified in the Finance/Investors Services industry within the Finance sector.