Market Pulse

Market Pulse: Tuesday, December 30, 2025

4 min read
Market Pulse snapshot for Tuesday, December 30, 2025 showing modest index weakness, soft breadth, and still-low volatility

Tuesday’s session had a year-end “pause” feel: index moves were modest, but participation was notably softer and leadership stayed tilted defensive.

The S&P 500 slipped 0.14%, the Nasdaq fell 0.24%, and small caps were the weak spot again (Russell 2000 -0.76%). Internals did most of the talking: 192 advancers vs 305 decliners (a 0.63 A/D ratio) with advancing volume at 41.5%. The VIX ticked up to 14.33—up on the day, but still firmly in a low-vol regime.


Market Breadth: Weak Participation, Trend Still Intact

MetricToday (Dec 30)Monday (Dec 29)
Advance/Decline Ratio0.630.72
Advances192206
Declines305288
Advancing Volume41.5%38.7%
Stocks Near 52-Week Highs823
Stocks Near 52-Week Lows02
% Above 20-Day MA63.5%66.1%
% Above 50-Day MA61.9%63.7%
% Above 200-Day MA61.7%61.7%

What the Numbers Say

  • Breadth leaned clearly negative (A/D 0.63) even though the index decline was small—often the signature of broad but shallow selling.
  • The “trend context” is still constructive: ~62% above the 200-day suggests many constituents remain above long-term trend, even as near-term participation cooled.
  • Fewer names near 52-week highs today reinforces the idea that leadership is narrowing into year-end.

Explore the full dashboard: Market breadth.


Market Performance: Modest Pullback, Small Caps Lag

IndexCloseChange% Change
S&P 5006,896.24-9.50-0.14%
Dow Jones48,367.06-94.87-0.20%
Nasdaq23,419.08-55.27-0.24%
Russell 20002,500.59-19.21-0.76%

Even with a mild move in the S&P 500, the under-the-surface picture was softer—especially with small caps underperforming again.

Explore the full dashboard: Market snapshot.


Sector View: Energy Led, Discretionary Lagged

Sector rotation stayed defensive overall, with energy and other “steadier” groups showing relative strength.

  • Leaders: Energy (XLE +0.76%), Communication Services (XLC +0.34%), Utilities (XLU +0.23%)
  • Laggards: Consumer Discretionary (XLY -0.41%), Technology (XLK -0.32%), Industrials (XLI -0.29%)

When defensives keep leading on down or flat index days, it often reflects positioning caution more than outright risk-off panic.

Explore the full dashboard: Sector performance.


Volatility: Higher on the Day, Still Subdued

MetricToday (Dec 30)Monday (Dec 29)
VIX Level14.3314.20

Index ETF implied volatility stayed low across the board:

  • SPY IV: 7.92% (Low)
  • QQQ IV: 11.54% (Low)
  • IWM IV: 12.49% (Low)
  • DIA IV: 9.84% (Low)

That combination—soft breadth with still-low implied volatility—often shows up in orderly consolidations and “grind” tapes.

Explore the full dashboard: Volatility.


Headlines Moving Markets

A few storylines that stood out in the day’s news flow:


Technical Snapshot (SPY)

SPY remains above key trend markers:

  • 20-day SMA: 682.11
  • 50-day SMA: 676.08
  • 200-day SMA: 622.24

Near-term pivot structure (based on the prior session reference levels):

  • Resistance: 689.40 (R1), then 690.83 (R2)
  • Pivot: 687.75
  • Support: 686.32 (S1), then 684.67 (S2)

In a low-volatility tape, these levels tend to matter most when breadth diverges (indexes steady while participation fades).

Explore the full dashboard: Support & Resistance levels.


What to Watch Next

A short checklist for the next session:

  • Breadth rebound: Can A/D recover back above 1.0 with advancing volume > 50%?
  • Small-cap confirmation: Does IWM stabilize, or does the lag persist?
  • Rotation signal: Do cyclicals reassert (XLY/XLK/XLI), or do defensives keep leading?
  • Volatility follow-through: Does VIX stay in the low-teens, or begin trending higher?

Bottom Line

Tuesday looked like an orderly consolidation with soft participation: indexes slipped modestly, breadth weakened, and volatility nudged up—without signaling a regime change.

The near-term tell remains participation. If breadth stays weak while volatility stays low, the market can still drift—but leadership and rotation become the more important signals to watch.


Market Pulse provides daily analysis of S&P 500 market breadth, sector rotation, and volatility signals to help investors understand what’s happening beneath the surface. Data sourced from our real-time market breadth collectors. For personalized planning, explore our retirement calculators, investment tools, and FIRE planning resources.

#market-analysis #market-breadth #sp500 #daily-market-update #volatility-analysis #sector-rotation #december-trading
Wes Dean, Co-Founder & Chief Technology Officer of Dean Financials

Wes Dean

Co-Founder & Chief Technology Officer

Dean Financials

Wes brings over 25 years of IT industry experience combined with a lifelong passion for financial markets. An active stock market investor since high school, he developed the proprietary market breadth and volatility analysis systems that power Dean Financials' data dashboards. Wes's unique combination of software engineering expertise and deep market knowledge enables him to create sophisticated yet accessible tools for analyzing market conditions and making data-driven investment decisions.

Areas of Expertise:

Market Analysis Technical Trading Software Development Data Engineering

Found this article helpful? Share it with someone who might benefit.