---
ticker: "CBOX"
name: "Calamos ETF Trust - Calamos Tax-Aware Collateral ETF"
url: "https://etf.net/etf/CBOX"
grade: "C"
score: 43
graded_at: "2026-10-12"
category: "Cash & Ultra-Short Income"
category_rank: "67 of 78"
methodology: "https://etf.net/methodology"
---

# CBOX: Calamos ETF Trust - Calamos Tax-Aware Collateral ETF

Grade **C**, Score 43 of 100. Rank 67 of 78 in Cash & Ultra-Short Income.

Graded Oct 12, 2026.

## Grade pillars

| Pillar | Score | Category rank |
| --- | --- | --- |
| Cost | 42 | 39 of 78 |
| Mission | Not scored | — |
| Risk | 53 | 29 of 75 |
| Tradability | 52 | 34 of 78 |
| Holdings | 23 | 76 of 77 |
| Durability | 42 | 54 of 78 |

## Top holdings

The fund holds 2 positions. These are the largest 2, by weight.

| # | Ticker | Name | Weight |
| --- | --- | --- | --- |
| 1 | — | State Street SPDR S&P 500 ETF Trust | 99.75% |
| 2 | — | Us Dollar | 0.25% |

Source: etf.net, https://etf.net/etf/CBOX. Please cite the page URL.