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Market Monitor Trends and Breadth August 19 BMO - Breadth steadies and leans higher after Friday’s wobble

By Kristoff De Turck - reviewed by Aldwin Keppens

Last update: Aug 19, 2025

ChartMill Market Monitor Report Trends and Breadth

(All data & visualisations by ChartMill.com)

Daily Market Trend Analysis – August 18, 2025 (After Market Close)

Calm tape, waiting on Powell

Short Term Trend

ChartMill US Indices Performance daily

SPY (S&P 500 ETF)

  • Short-Term Trend: Bullish (from neutral)
  • Next Support at $620 - $600
  • Next Resistance at /
  • Volume: Well Below Average (50)
  • Pattern: Down Day -Narrow Trading Range

QQQ (Nasdaq-100 ETF)

  • Short-Term Trend: Bullish (no change)
  • Next Support at $550 - $540
  • Next Resistance at /
  • Volume: Well Below Average (50)
  • Pattern: Down Day - Bull Flag Pattern

IWM (Russell 2000 ETF)

  • Short-Term Trend: Positive (from neutral)
  • Next Support at $225
  • Next Resistance at $245
  • Volume: Far Below Average (50)
  • Pattern: Up Day - Inside Day

Long Term Trend

ChartMill US Indices Performance weekly

SPY (S&P 500 ETF)

  • Long-Term Trend: Positive (no change)

QQQ (Nasdaq-100 ETF)

  • Long-Term Trend: Positive (no change)

IWM (Russell 2000 ETF)

  • Long-Term Trend: Positive (from neutral)

Daily Market Breadth Analysis – August 18, 2025 (After Market Close)

After Friday’s cooling, breadth improved modestly. Participation above key moving averages ticked up, weekly and multi‑month advance/decline composites strengthened, while new highs softened—suggesting a constructive trend with leadership still a bit hesitant.

ChartMill US Indices Performance weekly

Daily participation (Aug 18, 2025):

  • Advancers 52.2% vs. decliners 44.6% — a small positive swing from Friday’s 38%/59%.

  • Big movers: +4% advancers at 4.0% outpaced −4% decliners at 1.7%, indicating healthier upside momentum than on Friday (3.0% / 2.5%).

  • Pocket Pivots” improved to 27% (from 24.4%).

Breadth vs. moving averages:

  • Above SMA20: 61% (from 59.8%).

  • Above SMA50: 65% (roughly unchanged vs. 65.1%).

  • Above SMA100: 70.5% (flat).

  • Above SMA200: 56.6% (from 56.1%).

This keeps a majority of stocks above all key SMAs, a constructive backdrop that we highlighted earlier last week despite the mid‑week sell pressure.

Breakouts and breakdowns:

  • New highs: 2.5% (down from 4.8%).

  • New lows: 0.6% (down from 0.9%).

Leadership breadth softened (fewer NH), but stress stayed contained (very few NL).

Multi‑period advance/decline composites:

  • Weekly: Adv 71.2% / Decl 27.8% (better than 69.2% / 29.8%).

  • Monthly: Adv 59.7% / Decl 39.7% (from 58.9% / 40.5%).

  • 3‑Month: Adv 73.2% / Decl 26.1% (strong jump from 67.4% / 31.8%).

  • 3‑Month, ±25% movers: Adv 16.9% / Decl 4.9% (from 15.2% / 5.7%).

These mark a clear improvement in medium‑term participation, consistent with the broader trend we’ve been tracking since early August.

Context vs. the prior note:

On Friday we noted breadth had cooled after two strong sessions.

Today’s data show a stabilization and mild re‑acceleration: more stocks above short‑term averages, stronger weekly/monthly composites, and fewer deep decliners. The one caveat is weaker new‑highs, implying leadership is still cautious even as participation broadens.

Bottom line — Breadth Trend Rating: Positive

ChartMill Market Breadth Trend Result

Kristoff - ChartMill

Next to read: Market Monitor News, August 19 BMO

ISHARES RUSSELL 2000 ETF

NYSEARCA:IWM (8/18/2025, 8:44:05 PM)

Premarket: 227.6 -0.36 (-0.16%)

227.96

+0.83 (+0.37%)


INVESCO QQQ TRUST SERIES 1

NASDAQ:QQQ (8/18/2025, 9:00:26 PM)

Premarket: 576.38 -0.73 (-0.13%)

577.11

-0.23 (-0.04%)


SPDR S&P 500 ETF TRUST

NYSEARCA:SPY (8/18/2025, 9:05:39 PM)

Premarket: 642.62 -0.68 (-0.11%)

643.3

-0.14 (-0.02%)



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