# CSM (ProShares Large Cap Core Plus)

ProShares · Alternatives ETFs · data as of Sep 18, 2026

In the S&P 500’s down weeks over the year to Sep 18, 2026, CSM fell about as much as the index.

## Key facts

- CSM, correlation with the S&P 500: +0.98, as of Sep 18, 2026.
- CSM, beta to the S&P 500: +0.97, as of Sep 18, 2026.
- CSM, down-week capture: 99.9%, as of Sep 18, 2026.
- CSM, against T-bills, 52 weeks: +12.1 pts, as of Sep 18, 2026.
- CSM, net assets: $520m (issuer page, as of Sep 18, 2026).
- CSM, expense ratio: 0.45% (485BPOS XBRL, Sep 23, 2025).

## CSM over each window to Sep 18, 2026

| Window | The fund | S&P 500 | Difference, percentage points |
| --- | --- | --- | --- |
| 3 months | +2.3% | +2.3% | +0.1 pts |
| 6 months | +17.7% | +18.0% | −0.3 pts |
| 1 year | +16.4% | +16.6% | −0.2 pts |
| 3 years | +78.8% | +78.4% | +0.3 pts |
| Since it listed | +741.0% | +803.5% | −62.6 pts |

## Every published field

| Field | Value | Source |
| --- | --- | --- |
| Issuer | ProShares | ETFIQ |
| Strategy | Long-short equity | ETFIQ, from its prospectus |
| Expense ratio | 0.45% | 485BPOS XBRL, Sep 23, 2025 |
| Net assets | $520m | issuer page, as of Sep 18, 2026 |
| Weeks measured | 52, from Sep 19, 2025 to Sep 18, 2026 | ETFIQ |
| Weeks the S&P 500 fell | 22 | ETFIQ |
| The S&P 500 in those weeks, on average | −1.24% | ETFIQ |
| CSM in those weeks, on average | −1.24% | ETFIQ |
| CSM total return over those weeks | +15.7% | ETFIQ |
| T-bills | +3.6% | ETFIQ |
| Listed since | Jan 4, 2010 | ETFIQ |
| Days traded | 90 | ETFIQ |
| Quoted | on an exchange, every trading day | ETFIQ |

## Questions

### Does CSM move with the S&P 500?

Over the year to Sep 18, 2026, CSM’s weekly returns had a correlation of +0.98 with the S&P 500’s, on a scale where 1 moves in step, 0 shows no pattern and −1 moves opposite. Its beta was +0.97, so for each 1% the index moved it moved about 0.97% the same way.

### What did CSM do when stocks fell?

The S&P 500 fell in 22 of the 52 weeks to Sep 18, 2026, by 1.24% on average. In those weeks CSM fell 1.24% on average, a down-week capture of 99.9%.

### Did CSM earn more than cash?

Over the same 52 weeks CSM returned +15.7% with distributions reinvested, and BIL, a fund of Treasury bills, returned +3.6%. CSM finished 12.1 percentage points ahead of it.

### What does CSM cost?

The prospectus expense ratio is 0.45% a year.

### Why is CSM listed as long-short equity?

ETFIQ files each fund by what its own prospectus says it does, and CSM’s, filed Sep 26, 2024, describes a long-short equity fund.


## Cite this page

ETFIQ, CSM, data as of Sep 18, 2026. https://etfiq.com/funds/csm
Free to use with attribution; the underlying files are at https://etfiq.com/data/.

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