Data as of .
CSM vs FFLS: which moved less with stocks?
Over the year to Sep 18, 2026, FFLS moved less with the S&P 500 than CSM: correlation +0.69 against +0.98.
ETFIQ Diversifier Score: FFLS scores higher
How much does it diversify a stock portfolio?
A percentile among the 63 alternatives ETFs with a full year. It is a position in a set, not a rating, and neither end of it is a recommendation. All alternatives ETFs ranked by it · How it is computed
One strategy, two funds
CSM and FFLS both run a long-short equity strategy. Over the same 52 weeks to Sep 18, 2026, CSM’s weekly returns had a correlation of +0.98 with the S&P 500 and FFLS’s +0.69. In the 22 weeks the index fell, by 1.24% a week on average, CSM averaged −1.24% and FFLS −1.05%. Over the same weeks, CSM finished 12.1 percentage points ahead of cash and FFLS finished 8.3 points behind cash.
Performance, window by window
| Window | Total return | vs the S&P 500 | ||
|---|---|---|---|---|
| CSM | FFLS | CSM | FFLS | |
| 3 months | +2.3% | +0.6% | +0.1 pts | −1.7 pts |
| 6 months | +17.7% | +4.9% | −0.3 pts | −13.1 pts |
| 1 year | +16.4% | −5.0% | −0.2 pts | −21.6 pts |
| 3 years | +78.8% | +28.9% | +0.3 pts | −49.5 pts |
| Since launch | +741.0% | +28.6% | −62.6 pts | −53.6 pts |
| CSM ProShares Large Cap Core Plus Long-short equity fund: owns stocks and sells others short, so part of its exposure to the stock market cancels out | FFLS The Future Fund Long/Short ETF Long-short equity fund: owns stocks and sells others short, so part of its exposure to the stock market cancels out | |
|---|---|---|
| Issuer | ProShares | The Future Fund |
| Strategy | Long-short equity | Long-short equity |
| Correlation with the S&P 500 | +0.98 | +0.69 |
| Beta to the S&P 500 | +0.97 | +0.64 |
| Down-week capture | 99.9% | 84.7% |
| Average week when the S&P 500 fell | −1.24% | −1.05% |
| The S&P 500 in those weeks | −1.24% | −1.24% |
| Total return, same 52 weeks | +15.7% | −4.7% |
| Against T-bills, percentage points | +12.1 pts | −8.3 pts |
| Expense ratio | 0.45% | 1.24% |
| Listed | Jan 4, 2010 | Jun 21, 2023 |
| Net assets | $520m | $43m |
CSM in plain words
CSM is a long-short equity fund. ETFIQ measures what every alternatives fund is sold on: whether it moves differently from the stock market. Over the year to Sep 18, 2026, its weekly returns had a correlation of +0.98 with the S&P 500’s and a beta of +0.97, so for each 1% the index moved it moved about 0.97% the same way. The S&P 500 fell in 22 of those 52 weeks, by 1.24% on average. In the same weeks CSM fell 1.24% on average, a down-week capture of 99.9%. Over the same 52 weeks CSM returned +15.7% and a Treasury bill fund +3.6%, so it finished 12.1 percentage points ahead of cash.
FFLS in plain words
FFLS is a long-short equity fund. Over the year to Sep 18, 2026, its weekly returns had a correlation of +0.69 with the S&P 500’s and a beta of +0.64, so for each 1% the index moved it moved about 0.64% the same way. In the same weeks FFLS fell 1.05% on average, a down-week capture of 84.7%. Over the same 52 weeks FFLS returned −4.7% and a Treasury bill fund +3.6%, so it finished 8.3 percentage points behind cash.
Questions people ask
- Which moved less with the S&P 500, CSM or FFLS?
- Over the 52 weeks to Sep 18, 2026, CSM’s weekly returns had a correlation of +0.98 with the S&P 500 and FFLS’s +0.69, so FFLS moved less with the index.
- Which did better when the S&P 500 fell, CSM or FFLS?
- In the 22 weeks the S&P 500 fell, by 1.24% a week on average, CSM averaged −1.24% and FFLS −1.05%, so FFLS returned more in those weeks.
- Which earned more than cash, CSM or FFLS?
- Over the same weeks, CSM finished 12.1 percentage points ahead of cash and FFLS finished 8.3 percentage points behind cash. Cash here is BIL, a fund of Treasury bills.
- Which is cheaper, CSM or FFLS?
- CSM charges 0.45% a year and FFLS charges 1.24%, so CSM is cheaper. Fees come from each fund's prospectus.
Other comparisons
Where these figures came from
ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.
Cite this page. ETFIQ, CSM against FFLS, data as of Sep 18, 2026. https://etfiq.com/compare/alternatives/csm-vs-ffls Free to use with attribution; the underlying files are at Open data.