Company: CHY
Filing Date: 2025-06-27
Form Type: N-CSRS
Source: 0001104659-25-063497
Chunk: 3

Company: CALAMOS CONVERTIBLE & HIGH INCOME FUND
Filing Date: 2025-06-27
Form: N-CSRS
Chunk 3
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CALAMOS CLOSED-END FAMILY OF FUNDS SEMIANNUAL REPORT
16 Calamos Convertible Opportunities and Income Fund Financial Highlights

|                                                                                                   |     | YEAR ENDED OCTOBER 31, |    2022 |    |     |   |      2021 |    |     |   |    2020 |   |     |   |    2019 |   |     |   |    2018 |    |     |   |    2017 |    |     |   |    2016 |   |     |   |    2015 |    |
|:--------------------------------------------------------------------------------------------------|:----|:-----------------------|--------:|:---|:----|:--|----------:|:---|:----|:--|--------:|:--|:----|:--|--------:|:--|:----|:--|--------:|:---|:----|:--|--------:|:---|:----|:--|--------:|:--|:----|:--|--------:|:---|
| PER SHARE OPERATING PERFORMANCE                                                                   |     |                        |         |    |     |   |           |    |     |   |         |   |     |   |         |   |     |   |         |    |     |   |         |    |     |   |         |   |     |   |         |    |
| Net asset value, beginning of period                                                              |     | $                      |   15.49 |    |     | $ |     12.54 |    |     | $ |   10.64 |   |     | $ |   10.46 |   |     | $ |   11.35 |    |     | $ |   10.73 |    |     | $ |   11.68 |   |     | $ |   13.45 |    |
| Income from investment operations:                                                                |     |                        |         |    |     |   |           |    |     |   |         |   |     |   |         |   |     |   |         |    |     |   |         |    |     |   |         |   |     |   |         |    |
| Net investment income (loss)*                                                                     |     |                        |    0.01 |    |     |   |     (0.26 | )