# Calamos Tax-Aware Collateral ETF (CBOX) — Overview

CBOX · BATS · Fund

Canonical page: https://www.lighthorse.io/tickers/cbox

## Price

Last close $102.06 on Oct 15, 2026. 52-week range $100.01 – $103.54.

## Fund profile

CBOX seeks to deliver stable growth by investing in FLEX options box spreads, principally on the SPDR S&P 500 ETF (SPY) to achieve tax-efficient cash management.

| Metric | Value |
| --- | --- |
| Issuer | Calamos Advisors LLC |
| Industry | — |
| Inception | Apr 17, 2026 |
| Assets under management | $1.7B |
| Expense ratio | 0.14% |
| Net asset value | $101.95 (as of Oct 14, 2026) |
| Distributions | Annually |
| Leverage | 1x |

## Frequently Asked Questions

### What is Calamos Tax-Aware Collateral ETF (CBOX)?

CBOX seeks to deliver stable growth by investing in FLEX options box spreads, principally on the SPDR S&P 500 ETF (SPY) to achieve tax-efficient cash management.

### What is CBOX's expense ratio?

Calamos Tax-Aware Collateral ETF charges an annual expense ratio of 0.14%. The fund is issued by Calamos Advisors LLC.

### How large is CBOX?

Calamos Tax-Aware Collateral ETF manages $1.7B in assets and has traded since Apr 17, 2026.

### How do I buy shares of Calamos Tax-Aware Collateral ETF (CBOX)?

CBOX trades commission-free with a Light Horse Securities brokerage account — from the mobile app, the web at [Light Horse Dashboard](https://portal.lighthorse.io), the trading API, or an [AI agent connected over MCP](/instructions/ai/claude). The trade panel on this page places the order once you are signed in.

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Quotes and charts are not real-time and must not be relied on for trade decisions or valuation.

This page is for informational purposes only. Nothing on it is a recommendation, solicitation or offer to buy or sell any security, nor investment, legal or tax advice. Light Horse Securities Inc does not verify third-party data and is not responsible for its accuracy, completeness or timeliness.

Data provided by [AInvest](https://www.ainvest.com).