Data as of Oct 28, 2026.

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SPYM vs ZDEK: Differences, Returns & Fees

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Over the year to Oct 28, 2026, SPYM returned +13.7% to ZDEK's +6.1%, and SPYM charges 0.02% to ZDEK's 0.79%.

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Net assets: $185.0bn on Oct 27, 2026 for State Street SPDR Portfolio S&P 500 ETF, and $108m on Oct 28, 2026 for Innovator Equity Defined Protection ETF - 1 Yr December.

At a glance
+13.7%
SPYM total return, 1 year
+6.1%
ZDEK total return, 1 year
0.02%
SPYM expense ratio
0.79%
ZDEK expense ratio

Pair scorecard

SPYM costs 0.77 points a year less; their one-year returns differ by 7.6 points; SPYM is far larger, $185.0bn against $108m.

SPYM vs ZDEK: Differences, Returns & Fees
MeasureSPYMZDEK
Return
Total return, 1 year+13.7%+6.1%
Drawdown
Index fall to the buffer11.4%
Fund price fall to the buffer5.9%
Benchmark
What it tracksS&P 500 IndexSPY
The outcome period
Buffer left, in index points100.0% of 100.0%
Days left in the period33
Period endsNov 30, 2026
Cost and size
Expense ratio0.02%0.79%
Net assets, as of Oct 27, 2026$185.0bn$108m
Holdings
Holdings in commonnot published
Top ten holdings, share of the fund38.1%

Method

Side by side

SPYM State Street SPDR Portfolio S&P 500 ETF ZDEK Innovator Equity Defined Protection ETF - 1 Yr December
Where it sits Stock ETF Buffer ETF
What it is Tracks the S&P 500 Defined outcome, 100% on SPY
Total return, 1 year +13.7% +6.1%
Its benchmark over the same days +13.7% (IVV) +12.4% (SPY)
Gap to its benchmark 0.0 pts vs IVV −6.3 pts vs SPY
Expense ratio 0.02% 0.79%
Holdings 506 not read by ETFIQ
Net assets, SPYM as of Oct 27, 2026 and ZDEK as of Oct 28, 2026 $185.0bn $108m
Former ticker SPLG none

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

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About each fund
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%.

ZDEK

SPY had already risen past this fund's cap of +6.8% 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 0.6% as the period runs out.

The fund's price can fall 5.9% from here before the buffer starts absorbing losses, by the issuer's number. In index terms, SPY can fall 11.4% from today's level to the point where the buffer begins. Protection left, in index points: 100.0% of the 100.0% buffer still sits below today's SPY level. 33 days remained on Oct 28, 2026. On Nov 30, 2026 the period ends and a new cap is set.

Questions people ask

Are SPYM and ZDEK in the same category?
SPYM is a stock ETF and ZDEK is a buffer ETF, so they do different jobs. The table compares what both publish: return, cost and holdings.
Which returned more over the last year, SPYM or ZDEK?
In the year to Oct 28, 2026, with distributions reinvested, SPYM returned +13.7% and ZDEK +6.1%.
Which is cheaper, SPYM or ZDEK?
SPYM is cheaper, by 0.77 percentage points a year. That is about $77 on $10,000 held for a year. Fees come from each fund's prospectus.
Other comparisons
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ETFIQ, SPYM against ZDEK, data as of Oct 28, 2026. https://etfiq.com/compare/any/spym-vs-zdek

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