# CPRO (Calamos Russell 2000 ® Structured Alt Protection ETF - October)

Calamos · Buffer ETFs · data as of Sep 12, 2026

As of Sep 12, 2026, CPRO has reached its cap.

## Key facts

- CPRO, fall before the buffer: 7.0%, as of Sep 12, 2026.
- CPRO, protection left, index points: 99.4%, as of Sep 12, 2026.
- CPRO, days to reset: 19, as of Sep 12, 2026.
- CPRO, net assets: $31m (source, as filed for Apr 30, 2026).
- CPRO, expense ratio: 0.69% (issuer page, Sep 12, 2026).
- CPRO, reference index: IWM, as of Sep 12, 2026.

## Every published field

| Field | Value | Source |
| --- | --- | --- |
| Reference index | IWM | ETFIQ |
| Buffer | 1% to 100% | ETFIQ |
| Outcome period | Oct 1, 2025 to Oct 1, 2026 | ETFIQ |
| Starting cap | +7.2% | ETFIQ |
| IWM return since period start | +19.1% | ETFIQ |
| Fund return since period start | +6.9% | ETFIQ |
| Net assets | $31m | source, as filed for Apr 30, 2026 |
| Band state today | At cap | ETFIQ |
| Can still gain | not published | issuer, fund price |
| Fall before buffer | 7.0% | issuer, fund price |
| Fall to the buffer in index terms | 16.6% | ETFIQ |
| Protection left in index points | 99.4% of 99.4% | ETFIQ |
| Days left in period | 19 | ETFIQ |
| Expense ratio | 0.69% | issuer page, Sep 12, 2026 |

## Questions

### How much can CPRO still gain?

Nothing more in index terms on Sep 12, 2026. IWM has already passed the cap of +7.2% for this period, which runs from Oct 1, 2025 to Oct 1, 2026.

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

7.0% in fund-price terms on Sep 12, 2026, by the issuer's figure. In index terms IWM can fall 16.6% from that level before the buffer begins. Losses until that point are the holder's.

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

99.4% of the 99.4% buffer sat below the IWM level on Sep 12, 2026. That is an ETFIQ calculation in index points, on one definition for every issuer.

### When does CPRO reset?

The outcome period ends on Oct 1, 2026, 19 days from the data on Sep 12, 2026. A new cap is set the next day and the buffer starts again.

### What does CPRO cost?

The prospectus expense ratio is 0.69% a year.


## Cite this page

ETFIQ, CPRO, data as of Sep 12, 2026. https://etfiq.com/funds/CPRO
Free to use with attribution; the underlying files are at https://etfiq.com/data/.

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