NUKX vs SPY
Nicholas Nuclear Income ETF vs State Street SPDR S&P 500 ETF Trust
Which is better, NUKX or SPY?
Multi Alternative against Large Cap Blend.
SPY has a lower expense ratio. SPY is less concentrated, with 38.2% of the fund in its ten largest positions against 69.5%.
MarketXLS is not an investment adviser. This comparison is generated automatically from market data and is for information only. A Best mark means the better reading on that one measure, not a recommendation to buy.
Side-by-Side Comparison
| Metric | NUKX | SPY |
|---|---|---|
| Expense Ratio | 1.07% | 0.09%Best |
| AUM | $8M | $811.2B |
| Dividend Yield | 7.42% | 0.98% |
| Holdings | 60 | 1,515 |
| YTD Return | -28.95% | +13.54%Best |
| 1Y Return | - | +16.25% |
| 3Y Return (annualized) | - | +23.72% |
| 5Y Return (annualized) | - | +13.95% |
| Top 10 Weight | 69.5% | 38.2%Best |
| Fund Family | XFunds | State Street Investment Management |
| Category | Alternative | Equity |
| Style | Multi Alternative | Large Cap Blend |
| Inception | Mar 3, 2026 | Jan 22, 1993 |
Not shown on this pair: Volatility (annualized), Max Drawdown, $10,000 over the window.
NUKX vs SPY growth
Month-end closes. Both lines start at 0% in the first month shown, so the gap between them is the difference in growth across that window. The full view is available from the range buttons; it is not the opening view here because over the whole period one of these two funds moves so much further than the other that its line would sit flat on the axis.
NUKX vs SPY Performance
Nicholas Nuclear Income ETF (NUKX) is an ETF from XFunds and State Street SPDR S&P 500 ETF Trust (SPY) is an ETF from State Street Investment Management. Year to date, NUKX is down 28.95% versus a gain of 13.54% for SPY.
Past performance does not guarantee future results.
Fees and Cost Over Time
NUKX charges 1.07% per year while SPY charges 0.09%. On a $10,000 position that is $107 vs $9 annually, a gap of $98 per year that compounds over a long holding period. On income, NUKX currently yields 7.42% against 0.98% for SPY.
Holdings Overlap
32.9% of NUKX's money is in holdings SPY also owns. 1.1% of SPY's money is in holdings NUKX also owns.
The two portfolios partly overlap.
6 positions in common, counted across the 17 positions we hold weights for in NUKX and 504 in SPY, against full books of 60 and 1,515.
What only one of them owns
Our book lists 491 positions for SPY that do not appear in our book for NUKX (98.2% of the fund), and 8 for NUKX that do not appear in SPY (51.4%).
Some of those will be the same company recorded under a different code in one of the two books, so the real difference in what you would own is no larger than this and may be smaller. We do not name the individual positions here for that reason.
32.9% of NUKX is already inside SPY.
You probably hold more than these two. Add the rest and see how much of the whole book is the same companies twice.
Free for up to 10 holdings. No account needed.
Frequently Asked Questions
Which is cheaper, NUKX or SPY?
NUKX has an expense ratio of 1.07% while SPY charges 0.09%. SPY is the cheaper option, by $98 a year on a $10,000 investment.
What is the holdings overlap between NUKX and SPY?
32.9% of NUKX's money is in holdings SPY also owns. 1.1% of SPY's is in holdings NUKX also owns. They hold 6 positions in common, counted across the 17 positions we hold weights for in NUKX and 504 in SPY.
Which pays a higher dividend, NUKX or SPY?
NUKX yields 7.42% while SPY yields 0.98%, so NUKX currently pays the higher dividend yield.
Is SPY better than NUKX?
SPY has a lower expense ratio. SPY is less concentrated, with 38.2% of the fund in its ten largest positions against 69.5%. Which one suits a particular account depends on what it is for. This is information, not a recommendation.