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Security Comparison

FXAIX vs SPMO: Which Is the Better Pick in 2026?

A head-to-head comparison of Fidelity 500 Index Fund and Invesco S&P 500 Momentum ETF covering yield, cost, risk, and income potential.

Data updated July 15, 2026

ETFs256
Total AUM$971B

ETFs and AUM reflect what Dividend Vision tracks — the issuer's full lineup may be larger.

Invesco is a major player in the ETF space known for offering a broad, diversified lineup of 71 funds spanning multiple investment themes and strategies. Their portfolio spans income-focused funds, factor-based equity strategies, commodity exposure, digital assets, ESG investing, and the popular Invesco QQQ family tracking the Nasdaq-100, serving both income-seeking and growth-oriented investors. The issuer is particularly recognized for specialized offerings like BulletShares (laddered bond funds), sector rotation strategies, and thematic investing options, making it a comprehensive choice for investors seeking varied exposures beyond traditional index funds.

See our curated list of related YouTube videos on SPMO.

Side-by-side snapshot

FXAIXSPMO
Full nameFidelity 500 Index FundInvesco S&P 500 Momentum ETF
IssuerFidelity InvestmentsInvesco
Last Close$261.18 as of July 15, 2026$152.86 as of July 15, 2026
Distribution yield1.06%0.64%
Distribution Safety Score 9872
Expense ratio0.49%0.13%
AUM$828B$20.3B
Distribution frequencyQuarterlyQuarterly
Underlying indexS&P 500 Momentum Index
ObjectiveTrack the S&P 500 Momentum Index, providing factor exposure to the highest momentum names within the S&P 500.
Asset classEquityEquity
Inception date02/17/198810/09/2015
Beta1.01.28
Last dividend$0.6950$0.2450
Ex-dividend date04/10/202606/22/2026

Bottom lineFXAIX and SPMO are nearly interchangeable — both offer very similar exposure with very similar cost and risk. The clearest tie-breaker is cost: SPMO is cheaper at 0.13% vs 0.49%.

Income calculator

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Visual comparison

Key metrics

Projected income on $10K

Projections assume the current yield and share price remain constant. Actual results will vary.

Quick verdict

FXAIX (Fidelity 500 Index Fund) is a mutual fund, while SPMO (Invesco S&P 500 Momentum ETF) is an ETF — they take fundamentally different approaches.

FXAIX offers the higher yield at 1.06% vs 0.64% for SPMO. A higher yield means more current income per dollar invested, though it may come with different risk characteristics.

SPMO is cheaper with an expense ratio of 0.13% compared to 0.49%.

FXAIX is the larger fund by assets ($828B), which generally means tighter spreads and better liquidity.

Who should choose each?

Choose FXAIX

Fidelity 500 Index Fund

  • Want broad equity exposure.
  • Prefer lower volatility — a beta of 1.0 vs 1.3 for SPMO.

Choose SPMO

Invesco S&P 500 Momentum ETF

  • Want broad equity exposure.
  • Want to keep costs low — a 0.13% expense ratio vs 0.49% for FXAIX.

Not sure? Use the income calculator and snapshot above to weigh these trade-offs against your own goals.

Deep dive

Yield & income

On a $10,000 investment, FXAIX would generate roughly $8.83/month, while SPMO would produce $5.33/month, at current distribution rates. Both pay quarterly distributions.

FXAIX yield1.06%
SPMO yield0.64%
Monthly diff on $10K$3.50

Cost & efficiency

Over 10 years on $10,000, FXAIX would cost approximately $490 in fees vs $130 for SPMO (simplified, not compounded). The $360.00 difference may be offset by yield or performance.

FXAIX ER0.49%
SPMO ER0.13%

Strategy & risk

FXAIX is a mutual fund, while SPMO tracks S&P 500 Momentum Index with an index approach. Beta is 1.0 for FXAIX and 1.28 for SPMO, indicating FXAIX is less volatile relative to the market.

FXAIX beta1.0
SPMO beta1.28

Fund details

FXAIX is managed by Fidelity Investments (launched 02/17/1988) with $828B in assets. SPMO is managed by Invesco (launched 10/09/2015) with $20.3B in assets.

FXAIX AUM$828B
SPMO AUM$20.3B

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Frequently asked questions

Is FXAIX or SPMO better for dividend income?

It depends on your goals. FXAIX currently offers the higher distribution yield, which means more income per dollar invested. However, a lower-yield fund may offer better total return or lower volatility. Consider your time horizon and risk tolerance.

What is the difference between FXAIX and SPMO?

FXAIX (Fidelity 500 Index Fund) is a mutual fund, while SPMO (Invesco S&P 500 Momentum ETF) tracks S&P 500 Momentum Index with an index approach. They are issued by Fidelity Investments and Invesco respectively.

Can I hold both FXAIX and SPMO?

Yes — nothing prevents holding both. Whether the combination actually diversifies depends on how much the underlying exposures overlap, which isn't fully measurable from the data on this page; review each security's holdings, sector, and strategy before treating them as complementary.

Which has lower fees, FXAIX or SPMO?

FXAIX has an expense ratio of 0.49% while SPMO charges 0.13%. Lower fees mean more of your investment returns stay in your pocket over time.

How much income does $10,000 in FXAIX vs SPMO generate?

At current rates, $10,000 in FXAIX would generate roughly $8.83 per month ($106.00 annually). The same in SPMO would produce about $5.33 per month ($64.00 annually).

More comparisons to explore

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