Data as of Oct 28, 2026.

vsCompare their flowsaskIQ about these two fundsAsk the committee about these two funds
Across categories

DECM vs SPYM: Differences, Returns & Fees

Share
Share on XDownload as PDF

Over the year to Oct 28, 2026, DECM returned +6.1% to SPYM's +13.7%, and SPYM charges 0.02% to DECM's 0.85%.

askIQ about this page

askIQ about DECM and SPYM

Net assets on Oct 27, 2026: $35m for FT Vest U.S. Equity Max Buffer ETF - December and $185.0bn for State Street SPDR Portfolio S&P 500 ETF.

At a glance
+6.1%
DECM total return, 1 year
+13.7%
SPYM total return, 1 year
0.85%
DECM expense ratio
0.02%
SPYM expense ratio

Pair scorecard

SPYM costs 0.83 points a year less; their one-year returns differ by 7.6 points; SPYM is far larger, $185.0bn against $35m.

DECM vs SPYM: Differences, Returns & Fees
MeasureDECMSPYM
Return
Total return, 1 year+6.1%+13.7%
Drawdown
Index fall to the buffer11.9%
Fund price fall to the buffer5.8%
Benchmark
What it tracksSPYS&P 500 Index
The outcome period
Buffer left, in index points50.6% of 50.6%
Days left in the period51
Period endsDec 18, 2026
Cost and size
Expense ratio0.85%0.02%
Net assets, as of Oct 27, 2026$35m$185.0bn
Holdings
Holdings in commonnot published
In the S&P 500, by weight100%
Top ten holdings, share of the fund38.1%

Method

Risk and return

Jan 3, 2025 to Oct 23, 2026 · 94 weekly returns
DECM SPYM
Return
Total return edge SPYM +11.6% +31.1%
Annualized edge SPYM +6.2% +16.2%
Price return edge SPYM +11.6% +28.5%
Risk
Volatility edge DECM 2.7% 15.1%
Max drawdown edge DECM −2.9% −16.8%
Downside capture 18.3% 96.9%
Beta 0.17 0.96
Risk-adjusted
Sharpe edge SPYM (slight) 0.77 0.80
Sortino edge Tie 1.21 1.21
Treynor 0.121 0.106
Calmar edge DECM 2.17 0.96
Against the benchmark
Alpha 0.0% a year +0.4% a year
Alpha t-stat 0.01 0.53
Information ratio −0.79 0.00
Tracking error 12.6% 3.8%

Each against its own benchmark: DECM against SPY, Jan 3, 2025 to Oct 23, 2026; SPYM against IVV, Nov 25, 2005 to Oct 23, 2026.

Reading

SPYM returned more: +31.1% to +11.6%. DECM swung less: 2.7% to 15.1%. DECM fell less at its worst: −2.9% to −16.8%.

Full scorecard

19 measures, with how each is measured
Open ↓
Risk and return: DECM vs SPYM: Differences, Returns & Fees
MeasureDECMSPYMEdgeHow it is measured
Return
Total return+11.6%+31.1%SPYMPrice change plus distributions, reinvested.
Annualized+6.2%+16.2%SPYMTotal return as a yearly rate.
Price return+11.6%+28.5%SPYMPrice change alone, distributions left out.
Risk
Volatility2.7%15.1%DECMSpread of weekly returns, annualized. Lower is steadier.
Downside deviation1.7%10.0%DECMLike volatility, counting only weeks below the Treasury bill rate.
Max drawdown−2.9%−16.8%DECMDeepest fall from a high to the low after it.
Upside capture15.2%94.1%Share of its benchmark's rise caught in the weeks it rose.
Downside capture18.3%96.9%Share of its benchmark's fall taken in the weeks it fell. Lower is better.
Beta0.170.96Not an edgeHow far it moves for each 1% its benchmark moves.
R squared0.920.95Not an edgeShare of its weekly moves its benchmark explains.
Risk-adjusted
Sharpe0.770.80SPYM (slight)Return above Treasury bills per unit of volatility.
Sortino1.211.21TieReturn above Treasury bills per unit of downside deviation.
Treynor0.1210.106Return above Treasury bills per unit of beta.
Calmar2.170.96DECMAnnualized return divided by the max drawdown.
Against the benchmark
BenchmarkSPYIVVThe ETF each fund is measured against.
Alpha0.0% a year+0.4% a yearNot significantYearly return beyond what its beta to the benchmark predicts.
Alpha t-stat0.010.53Not an edgeHow sure the alpha is. Below 2, it could be chance.
Alpha range−1.1% to +1.1%−1.2% to +2.0%Includes zeroThe 95% range for the yearly alpha.
Information ratio−0.790.00Return against its benchmark per unit of tracking error.
Tracking error12.6%3.8%Not an edgeHow far weekly returns stray from the benchmark, annualized.

Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 94 weekly returns. Cash rate: the 13-week Treasury bill.

Side by side

DECM FT Vest U.S. Equity Max Buffer ETF - December SPYM State Street SPDR Portfolio S&P 500 ETF
Where it sits Buffer ETF Stock ETF
What it is Defined outcome, 51% on SPY Tracks the S&P 500
Total return, 1 year +6.1% +13.7%
Its benchmark over the same days +12.4% (SPY) +13.7% (IVV)
Gap to its benchmark −6.3 pts vs SPY 0.0 pts vs IVV
Expense ratio 0.85% 0.02%
Holdings not read by ETFIQ 506
Net assets, as of Oct 27, 2026 $35m $185.0bn
Former ticker none SPLG

DECM and SPYM on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.

Client brief · page 1 of 2 Report BR-E7544EE58A

DECM and SPYM do different jobs. What does each one do in a portfolio?

  1. What each follows. DECM follows SPY and SPYM follows S&P 500 Index.
  2. One-year total return. Over 1 year to Oct 28, 2026 DECM returned +6.1% and SPYM +13.7% with distributions reinvested, a gap of 7.6 points.
  3. Cost. DECM charges 0.85% of assets a year and SPYM 0.02%, a gap of 0.83 points.

Data as of Oct 28, 2026.

The two-page PDF for this pair is coming. Save the comparison to follow its changes. Free. It needs an email sign-in, once.

Your saved page · Privacy.

Alert

DECM and SPYM flows, by email on Sundays.

One-click unsubscribe. See Privacy.

About each fund
DECM

SPY had already risen past this fund's cap of +7.0% for the period on Oct 28, 2026, so in index terms there is no more upside to collect. The fund's own price can still drift up to about 0.9% as the period runs out.

The fund's price can fall 5.8% from here before the buffer starts absorbing losses, by the issuer's number. In index terms, SPY can fall 11.9% from today's level to the point where the buffer begins. Protection left, in index points: 50.6% of the 50.6% buffer still sits below today's SPY level. 51 days remained on Oct 28, 2026. On Dec 18, 2026 the period ends and a new cap is set.

SPYM

SPYM tracks the S&P 500. Over the year to Oct 28, 2026 it returned +13.7% with distributions reinvested, against +13.7% for its benchmark, the S&P 500 Index. The prospectus expense ratio is 0.02% a year. By its holdings published by its issuer for Oct 27, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 506 positions, with the top ten at 38.1%.

Questions people ask

Are DECM and SPYM in the same category?
DECM is a buffer ETF and SPYM is a stock ETF, so they do different jobs. The table compares what both publish: return, cost and holdings.
Which returned more over the last year, DECM or SPYM?
In the year to Oct 28, 2026, with distributions reinvested, DECM returned +6.1% and SPYM +13.7%.
Which is cheaper, DECM or SPYM?
SPYM is cheaper, by 0.83 percentage points a year. That is about $83 on $10,000 held for a year. Fees come from each fund's prospectus.
Other comparisons
Cite this pageCitation, APA and Markdown

ETFIQ, DECM against SPYM, data as of Oct 28, 2026. https://etfiq.com/compare/any/decm-vs-spym

Open data →

Free to use with attribution for data ETFIQ computes; issuer data stays under its owner's terms.