# CBXA (Calamos Bitcoin 90 Series Structured Alt Protection ETF - April)

Calamos · Buffer ETFs · data as of Oct 1, 2026

As of Oct 1, 2026, CBXA's buffer is absorbing losses, with 89.7% of 89.7% points still beneath Bitcoin.

## Key facts

- CBXA, fall before the buffer: 17.6%, as of Oct 1, 2026.
- CBXA, protection left, index points: 89.7%, as of Oct 1, 2026.
- CBXA, days to reset: 212, as of Oct 1, 2026.
- CBXA, net assets: $5m (issuer page, as of Sep 30, 2026).
- CBXA, expense ratio: 0.69% (issuer page, Oct 1, 2026).
- CBXA, reference index: Bitcoin, as of Oct 1, 2026.

## CBXA over each window to Oct 1, 2026

| Window | Total return |
| --- | --- |
| 3 months | +13.4% |
| 6 months | +8.1% |
| 1 year | −18.5% |

## Every published field

| Field | Value | Source |
| --- | --- | --- |
| Reference index | Bitcoin | ETFIQ |
| Buffer | 10% to 100% | ETFIQ |
| Outcome period | Apr 8, 2026 to May 1, 2027 | ETFIQ |
| Starting cap | +22.7% | ETFIQ |
| Bitcoin return since period start | +18.1% | ETFIQ |
| Fund return since period start | +8.8% | ETFIQ |
| Net assets | $5m | issuer page, as of Sep 30, 2026 |
| Band state today | Open | ETFIQ |
| Can still gain | not published | issuer, fund price |
| Fall before buffer | 17.6% | issuer, fund price |
| Fall to the buffer in index terms | 24.0% | ETFIQ |
| Protection left in index points | 89.7% of 89.7% | ETFIQ |
| Days left in period | 212 | ETFIQ |
| Expense ratio | 0.69% | issuer page, Oct 1, 2026 |

## Questions

### How far can CBXA fall before the buffer helps?

17.6% in fund-price terms on Oct 1, 2026, by the issuer's figure. In index terms Bitcoin can fall 24.0% from that level before the buffer begins. Losses until that point are the holder's.

### How much of the CBXA buffer is left?

89.7% of the 89.7% buffer sat below the Bitcoin level on Oct 1, 2026. That is an ETFIQ calculation in index points, on one definition for every issuer.

### When does CBXA reset?

The outcome period ends on May 1, 2027, 212 days from the data on Oct 1, 2026. A new cap is set the next day and the buffer starts again.

### What does CBXA cost?

The prospectus expense ratio is 0.69% a year.


## Cite this page

ETFIQ, CBXA, data as of Oct 1, 2026. https://etfiq.com/funds/cbxa
Free to use with attribution; the underlying files are at https://etfiq.com/data/.

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