Which did better when the S&P 500 fell, ACIO or ATTR?

In the 25 weeks the S&P 500 fell, by 1.10% a week on average, ACIO averaged −0.91% and ATTR −0.14%, so ATTR returned more in those weeks.

Which earned more than cash, ACIO or ATTR?

Over the same weeks, ACIO finished 2.6 percentage points ahead of cash and ATTR finished 3.8 percentage points ahead of cash. Cash here is BIL, a fund of Treasury bills.

Which is cheaper, ACIO or ATTR?

ACIO charges 0.79% a year and ATTR charges 0.63%, so ATTR is cheaper. Fees come from each fund's prospectus.

Data as of Oct 27, 2026.

Alternative ETFs

ACIO vs ATTR: Correlation to the S&P 500

Over the year to Oct 27, 2026, ATTR moved less with the S&P 500 than ACIO: correlation +0.91 against +0.98.

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Net assets: $2.4bn on Jul 31, 2026 for Aptus Collared Investment Opportunity ETF, and $96m on Jun 30, 2026 for Arin Tactical Tail Risk ETF.

ACIO on its own →ATTR on its own →

At a glance

+0.98

ACIO correlation with the S&P 500

+0.91

ATTR correlation with the S&P 500

82.5%

ACIO down-week capture

12.8%

ATTR down-week capture

ACIO Fell 83% as much as the S&P 500

ACIO in the 25 weeks SPY fell, year to Oct 27, 2026: SPY averaged −1.10%, ACIO −0.91%.

ATTR Fell 13% as much as the S&P 500

ATTR in the 25 weeks SPY fell, year to Oct 27, 2026: SPY averaged −1.10%, ATTR −0.14%.

Pair scorecard

ATTR costs 0.16 points a year less.

ACIO vs ATTR: Correlation to the S&P 500
Measure	ACIO	ATTR
Return
Measure	ACIO	ATTR
Total return, 1 year	+6.5%	not published
Against its benchmark
Measure	ACIO	ATTR
Treasury bills, 52 weeks	+3.7%
Cost and size
Measure	ACIO	ATTR
Expense ratio	0.79%	0.63%
Net assets, ACIO as of Jul 31, 2026 and ATTR as of Jun 30, 2026	$2.4bn	$96m
Holdings
Measure	ACIO	ATTR
Holdings in common	not published
Risk
Measure	ACIO	ATTR
Beta to the S&P 500	+0.77: about 0.77% for each 1%	+0.21: about 0.21% for each 1%
Its average week when the S&P 500 fell	fell 0.91%	fell 0.14%

ETFIQ Stock Diversification Score · ATTR scores higher How much does it diversify a stock portfolio?

IQ Alternatives Score15.9ACIO60.3ATTR

How much it diversifies a stock portfolio, ranked against 22 equity hedged alternatives ETFs with a full year. 100 is best. How it is computed

ACIO 15.9

ATTR 60.3

8.0, the lowest in this set 97.7, the highest

A percentile among the 22 equity hedged alternatives ETFs with a full year. One year of weekly moves against the S&P 500, within one strategy; it ignores what the fund returned. All alternatives ETFs ranked by it →

Method

Window by window

Window by window: ACIO vs ATTR: Correlation to the S&P 500
	Total return		vs its benchmark
Window	ACIO	ATTR	ACIO	ATTR
3 months	+3.3%	+2.5%	−0.9 pts vs VOO	−1.7 pts vs VOO
6 months	+4.9%	+3.5%	−3.8 pts vs VOO	−5.2 pts vs VOO
1 year	+6.5%	–	−7.1 pts vs VOO	–
3 years	+60.4%	–	−34.4 pts vs VOO	–
Since launchNot the same days: ACIO Jul 2019 · ATTR Oct 2025	+100.2%	+7.5%	−87.1 pts vs VOO	−5.8 pts vs VOO

Source: ETFIQ. – means no data for this window. Open this comparison in the app →

Side by side

ACIO Aptus Collared Investment Opportunity ETF · Hedged equity fund: owns stocks and pays for protection against a fall, most often with put options ATTR Arin Tactical Tail Risk ETF · Hedged equity fund: owns stocks and pays for protection against a fall, most often with put options

Issuer Aptus Arin

Strategy Hedged equity Hedged equity

Correlation with the S&P 500 +0.98 +0.91

Beta to the S&P 500 +0.77 +0.21

Down-week capture 82.5% 12.8%

Average week when the S&P 500 fell −0.91% −0.14%

The S&P 500 in those weeks −1.10% −1.10%

Total return, same 52 weeks +6.2% +7.5%

Against T-bills, percentage points +2.6 pts +3.8 pts

Expense ratio 0.79% 0.63%

First traded Jul 10, 2019 Oct 28, 2025

Net assets, ACIO as of Jul 31, 2026 and ATTR as of Jun 30, 2026 $2.4bn $96m

As of Oct 27, 2026. Source: ETFIQ.

One strategy, two funds

ACIO and ATTR both run a hedged equity strategy. Over the same 52 weeks to Oct 27, 2026, ACIO’s weekly returns had a correlation of +0.98 with the S&P 500 and ATTR’s +0.91. In the 25 weeks the index fell, by 1.10% a week on average, ACIO averaged −0.91% and ATTR −0.14%. Over the same weeks, ACIO finished 2.6 percentage points ahead of cash and ATTR finished 3.8 points ahead of cash.

Alert

About each fund

ACIO

ACIO is a hedged equity fund. ETFIQ measures what every alternatives fund is sold on: whether it moves differently from the stock market. Over the year to Oct 27, 2026, its weekly returns had a correlation of +0.98 with the S&P 500’s and a beta of +0.77, so for each 1% the index moved it moved about 0.77% the same way. The S&P 500 fell in 25 of those 52 weeks, by 1.10% on average. In the same weeks ACIO fell 0.91% on average, a down-week capture of 82.5%. Over the same 52 weeks ACIO returned +6.2% and a Treasury bill fund +3.7%, so it finished 2.6 percentage points ahead of cash.

ATTR

ATTR is a hedged equity fund. Over the year to Oct 27, 2026, its weekly returns had a correlation of +0.91 with the S&P 500’s and a beta of +0.21, so for each 1% the index moved it moved about 0.21% the same way. In the same weeks ATTR fell 0.14% on average, a down-week capture of 12.8%. Over the same 52 weeks ATTR returned +7.5% and a Treasury bill fund +3.7%, so it finished 3.8 percentage points ahead of cash.

Questions people ask

Which moved less with the S&P 500, ACIO or ATTR?: Over the 52 weeks to Oct 27, 2026, ACIO’s weekly returns had a correlation of +0.98 with the S&P 500 and ATTR’s +0.91, so ATTR moved less with the index.
Which did better when the S&P 500 fell, ACIO or ATTR?: In the 25 weeks the S&P 500 fell, by 1.10% a week on average, ACIO averaged −0.91% and ATTR −0.14%, so ATTR returned more in those weeks.
Which earned more than cash, ACIO or ATTR?: Over the same weeks, ACIO finished 2.6 percentage points ahead of cash and ATTR finished 3.8 percentage points ahead of cash. Cash here is BIL, a fund of Treasury bills.
Which is cheaper, ACIO or ATTR?: ACIO charges 0.79% a year and ATTR charges 0.63%, so ATTR is cheaper. Fees come from each fund's prospectus.

Other comparisons

ACIO vs TOAK ACIO vs QBER ACIO vs KSPY ACIO vs PHEQ ATTR vs HELO ATTR vs FHEQ ATTR vs CAOS ATTR vs HEGD

Where to next

BIL, the T-bill fund these are measured against →SPY, the S&P 500 fund these are measured against →ACIO on its own →ATTR on its own →ACIO dividend history →Method →Standards and sources →

Sources and dates

ACIO filings on SEC EDGAR ↗

ACIO prospectus with the expense ratio (SEC) ↗

Aptus website ↗

ATTR filings on SEC EDGAR ↗

ATTR prospectus with the expense ratio (SEC) ↗

Arin page for ATTR ↗

Links are sources, not endorsements. A comparison is not a recommendation.

How this is computed

It is a place in a set, not a rating or a recommendation.

Every number is an ETFIQ calculation with distributions reinvested.

Cite this pageCitation, APA and Markdown

ETFIQ, ACIO against ATTR, data as of Oct 27, 2026. https://etfiq.com/compare/alternatives/acio-vs-attr

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