SK vs SKUU: Leverage, Returns & Decay

Over the days both have traded, SK finished 3.6 points from its stated multiple and SKUU 3.6. Net assets on Oct 21, 2026: $18m for Corgi SK hynix 2x Daily ETF and $163m for GraniteShares 2x Long SK Hynix Daily ETF.

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Ask IQ about SK and SKUU

Answers cite the figures on this page.

SK costs 1.00 points a year less; SKUU is 9.0 times larger.

Points (pts) are percentage points.

SK vs SKUU: Leverage, Returns & Decay
SKSKUU
Expense ratio0.50%1.50%
Net assets$18m$163m
What it tracksSK hynix Inc. (from its own objective)SK Hynix Inc. (from its own objective)
Holdings in commonnot published
What its daily multiple gave, 3 months−35.3%−35.3%
Against its daily multiple, 3 months2.6 points short2.2 points short
−37.9%
SK returned, 3 months
−37.5%
SKUU returned, 3 months
−11.3 pts
SK from its stated multiple: compounding −8.7 pts, gap to the daily multiple −2.6 pts
−10.9 pts
SKUU from its stated multiple: compounding −8.7 pts, gap to the daily multiple −2.2 pts

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SK · 3 months to Oct 21, 202611.3 pts short of its stated multiple
11.3 pts short of its stated multipleSK returned −37.9% while 2 times SKHY's move would have been −26.6%. Figures from Jul 22, 2026 to Oct 21, 2026.SKHY −13.3% ×2 implies−26.6%SK returned−37.9%11.3 pts short of its stated multipleSK returned −37.9% while 2 times SKHY's move would have been −26.6%. Figures from Jul 22, 2026 to Oct 21, 2026.SKHY −13.3% ×2 implies−26.6%SK returned−37.9%

SK returned −37.9% while 2 times SKHY's move would have been −26.6%. Figures from Jul 22, 2026 to Oct 21, 2026.

SK returned −37.9% while 2 times SKHY's move would have been −26.6%. Figures from Jul 22, 2026 to Oct 21, 2026.

SKUU · 3 months to Oct 21, 202610.9 pts short of its stated multiple
10.9 pts short of its stated multipleSKUU returned −37.5% while 2 times SKHY's move would have been −26.6%. Figures from Jul 22, 2026 to Oct 21, 2026.SKHY −13.3% ×2 implies−26.6%SKUU returned−37.5%10.9 pts short of its stated multipleSKUU returned −37.5% while 2 times SKHY's move would have been −26.6%. Figures from Jul 22, 2026 to Oct 21, 2026.SKHY −13.3% ×2 implies−26.6%SKUU returned−37.5%

SKUU returned −37.5% while 2 times SKHY's move would have been −26.6%. Figures from Jul 22, 2026 to Oct 21, 2026.

Figures from Jul 22, 2026 to Oct 21, 2026.

ETFIQ 3-Month Tracking Score · SKUU scores higherDid it keep up with its own daily multiple, compounded day by day, over three months?
IQ Leverage Score54.6SK65.6SKUU

How closely it delivered its daily multiple over 3 months, ranked against 508 leveraged ETFs at 2x, over three months. 100 is best. How it is computed

0.1, the lowest in this set99.9, the highest

A percentile among the 508 leveraged ETFs at 2x, over three months. Three months only, against the fund's own daily multiple; a different quarter can rank it very differently. All leveraged ETFs ranked by it →

Performance, window by window

Performance, window by window: SK vs SKUU: Leverage, Returns & Decay
Total returnMultiple would giveDifference
WindowSKSKUUSKSKUUSKSKUU
1 month−44.8%−44.8%−48.4%−48.4%+3.6 pts+3.6 pts
3 months−37.9%−37.5%−26.6%−26.6%−11.3 pts−10.9 pts
Since launch
SK Jul 2026 · SKUU Jul 2026
−57.3%−57.2%−52.2%−52.2%−5.1 pts−5.0 pts

Source: ETFIQ. Open this comparison in the app →

On the same fields

SK
Corgi SK hynix 2x Daily ETF · Aims to return twice the daily move of SK hynix (SKHY)
SKUU
GraniteShares 2x Long SK Hynix Daily ETF · Aims to return twice the daily move of SK hynix (SKHY)
Sets out to return +2x +2x
Underlying asset SKHY SKHY
Segment company company
Fund returned, 3 months −37.9% −37.5%
Underlying returned, over that window −13.3% −13.3%
What the stated multiple implies, over that window −26.6% −26.6%
Difference from stated, over that window −11.3 pts −10.9 pts
Fund returned, 1 year −57.3% (since launch, Jul 14, 2026) −57.2% (since launch, Jul 14, 2026)
Difference from stated, over that window −5.1 pts (since launch, Jul 14, 2026) −5.0 pts (since launch, Jul 14, 2026)
Underlying volatility 78% 78%
Difference over the days both have traded +3.6 pts +3.6 pts
Expense ratio 0.50% 1.50%
First traded Jul 14, 2026 Jul 14, 2026
Net assets $18m $163m

As of Oct 21, 2026. Source: ETFIQ.

About SK

Read the multiple against the whole window instead and 2 times SKHY's −13.3% implies −26.6%, which makes SK look 11.3 points short. That is not the fund's objective, which is daily. Of that 11.3, daily compounding is −8.7 points, which any 2 times fund would show over the same path, and the fund itself is −2.6 points against 2 times each day's move, compounded. SK aims to return +2 times SKHY's move each day, then resets. Over one day it does that. Over longer periods the daily results compound, so the total is not +2 times the period's move: it is lower after a fall and recovery, and can be higher in a steady run. SKHY moved at 78% annualized over that window. The more it moves, the further the two figures separate.

Over the three months to Oct 21, 2026, SK lost 37.9%, against −35.3% for twice SKHY's daily moves.

About SKUU

Read the multiple against the whole window instead and 2 times SKHY's −13.3% implies −26.6%, which makes SKUU look 10.9 points short. Of that 10.9, daily compounding is −8.7 points, which any 2 times fund would show over the same path, and the fund itself is −2.2 points against 2 times each day's move, compounded. SKUU aims to return +2 times SKHY's move each day, then resets.

Over the three months to Oct 21, 2026, SKUU lost 37.5%, against −35.3% for twice SKHY's daily moves.

Questions people ask

Which came closer to its daily multiple, SK or SKUU?
Over the window to Oct 21, 2026, SK finished 11.3 points from what its multiple implies and SKUU finished 10.9 points from its own, so SKUU came closer. Neither figure predicts the next window: it depends on how much the underlying moves about.
Are SK and SKUU levered on the same thing?
Yes. Both are levered on SK hynix, SK at +2 times and SKUU at +2 times the daily move.
Which one decays faster, SK or SKUU?
Decay follows how much the underlying moves about. Over this window SK’s moved at 78% annualized and SKUU’s at 78%, so SK has the rougher ride and, at the same multiple, loses more to compounding.
Can I hold SK or SKUU for a year?
Both reset every day, so the multiple in the name applies to a single day, and daily results compound. Over a year the total is not the multiple times the year’s move; after a fall and recovery it is lower.
Which is cheaper, SK or SKUU?
SK charges 0.50% a year and SKUU charges 1.50%, so SK is cheaper. Fees come from each fund's prospectus.
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Every figure is an ETFIQ calculation with distributions reinvested.

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ETFIQ, SK against SKUU, data as of Oct 21, 2026. https://etfiq.com/compare/leverage/sk-vs-skuu

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