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Gf Dma Health Index

  • 60 installs
  • 620 repo stars
  • Updated July 15, 2026
  • haskaomni/serenity-skill

Scores a stock's valuation and trend health by combining fundamental growth speed, 20/50/100/200DMA structure, price divergence, and estimate revisions.

About

Evaluates whether a stock's price trend is supported by revenue growth, profit growth, estimate revisions, and its moving-average system via the GF-DMA Health Index. An analyst uses it to judge whether a rising or falling stock is fundamentally supported or overheated.

  • Combines growth speed, DMA trend, ATR divergence, and escape ratio
  • Optional SEC fundamentals via edgartools

Gf Dma Health Index by the numbers

  • 60 all-time installs (skills.sh)
  • +4 installs in the week ending Aug 2, 2026 (Skillselion tracking)
  • Ranked #570 of 1,106 Finance & Trading skills by installs in the Skillselion catalog
  • Data as of Aug 4, 2026 (Skillselion catalog sync)
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Listed on Skillselion
Installs60
repo stars620
Last updatedJuly 15, 2026
Repositoryhaskaomni/serenity-skill

What it does

Scores a stock's valuation and trend health by combining fundamental growth speed, 20/50/100/200DMA structure, price divergence, and estimate revisions.

Files

SKILL.mdMarkdownGitHub ↗

GF-DMA Health Index

Core Idea

Evaluate whether a stock's current price trend is supported by fundamental speed and moving-average structure.

Use the index to answer:

Is the current price trend supported by revenue growth, profit growth, estimate revisions, and the 20/50/100/200DMA system?

Treat results as research analysis, not investment advice. For latest/current scoring, verify data from current sources before calculating.

Required Inputs

Collect the newest available data before scoring:

  • Price/technical data: latest price, 20DMA, 50DMA, 100DMA, 200DMA, ATR20, 5-day price change, and 20/50/100/200-day price changes or historical prices.
  • Fundamental data: latest quarterly revenue, EPS, gross margin or gross profit, next-quarter company guidance, consensus revenue/EPS estimates, and 30-day estimate revisions.
  • Preferred sources: company IR releases/presentations, earnings calls, Yahoo Finance historical prices/analysis, TradingView technicals/estimates, Barchart technical analysis, Seeking Alpha estimates, Koyfin, FactSet, Bloomberg, TIKR, or Visible Alpha.

For U.S.-listed companies, SEC filings can improve the fundamental side of the score. edgartools is an optional helper for retrieving the latest 10-K, 10-Q, 8-K, XBRL financial statements, filing text, insider transactions, and ownership filings.

If the environment does not already have it, install with pip install edgartools or uv pip install edgartools. The import package is edgar, not edgartools. SEC access requires an identity; set EDGAR_IDENTITY="Name email@example.com" in the environment or call from edgar import set_identity; set_identity("name@example.com") before requests.

Minimal usage pattern:

from edgar import Company

company = Company("AAPL")
financials = company.get_financials()
income = financials.income_statement()
filings = company.get_filings(form="8-K")

Use SEC data for:

  • reported quarterly revenue, gross profit, EPS, cash flow, balance sheet, share count, and historical trend baselines
  • management language on demand, backlog, pricing, capacity, inventory, customer concentration, and risks
  • 8-K earnings releases or guidance disclosures when they contain the newest company-provided numbers

Do not use SEC data for the technical module or revision module. Price, 20/50/100/200DMA, ATR20, 5-day price slope, consensus estimates, and 30-day estimate revisions still require market-data and estimate sources. When SEC data is used, state the filing form and filing date so the user can judge freshness.

If a required field is unavailable, say which field is missing and use the simplified formula only when appropriate.

Calculation Workflow

1. Fundamental Speed

Calculate:

G_f = 0.35G_Revenue + 0.25G_GrossProfit + 0.30G_EPS + 0.10G_Revision

Where:

  • G_Revenue = next-quarter revenue guidance / latest-quarter revenue - 1
  • G_GrossProfit = next-quarter gross profit / latest-quarter gross profit - 1
  • G_EPS = next-quarter EPS guidance / latest-quarter EPS - 1
  • G_Revision = 30-day consensus estimate revision

Fallbacks:

  • If gross profit or EPS is missing: G_f = 0.5G_Revenue + 0.5G_EPS
  • If only revenue guidance is available: G_f = G_Revenue

2. DMA Speed

Calculate quarterly annualized-equivalent moving-average speed for each DMA:

G_DMAx = ((SMA_x(t) - SMA_x(t-k)) / SMA_x(t-k)) * (63 / k)

Use k = 5 or 10 trading days by default. If only price-change data is available, approximate:

DailySlope_x ~= (P_t - P_t-x) / x
G_DMAx ~= DailySlope_x * 63 / P_t

Compute G_DMA20, G_DMA50, G_DMA100, and G_DMA200.

3. Fundamental-DMA Match

Calculate:

R_x = G_DMAx / G_f

Interpret R_50 and R_100 first:

R_xStatus
< 0.5Trend clearly below fundamental speed
0.5-0.8Under-reflected or cheap versus trend
0.8-1.3Healthy match
1.3-2.0Hot but potentially explainable
> 2.0Overheated / FOMO escape risk

Core DMA emphasis:

Stock typeKey DMA
Mega-cap growth leaders like NVDA, AVGO, MSFT50DMA
Memory/cyclical semis like MU, SNDK100DMA
High-elasticity optical names like LITE, AAOI20DMA + 50DMA
Industrial AI/power names like ETN, VRT, TEL100DMA + 200DMA
Small-cap hard-manufacturing names like SIVE, CPSH20DMA + ATR divergence
Semiconductor ETFs like SOXX, SMH50DMA + 100DMA

4. Price-DMA Divergence

Calculate:

D_x = P_t / SMA_x(t) - 1
Z_x = (P_t - SMA_x) / ATR20

Interpretation:

SignalStatus
0%-5% above 20DMAHealthy close-to-line trend
5%-12% above 20DMAStrong trend, mild valuation stretch
12%-20% above 20DMAHot; divergence score should fall
>20% above 20DMAShort-term escape; divergence score should fall sharply
>30% above 50DMAMedium-term overheat
>50% above 100DMAMajor repricing
>100% above 200DMAExtreme long-cycle repricing
0%-5% below 20/50DMA with stable fundamentalsHealthy pullback; divergence score can rise
5%-15% below 50DMA with stable/improving fundamentalsBetter valuation entry, but verify trend damage separately
Below 100/200DMA with deteriorating fundamentalsTrend damage; do not treat as cheap automatically

ATR divergence is asymmetric:

Z_xStatus
0 to 2Healthy
2 to 3Hot
3 to 4Very hot
>4Escape; reduce divergence score sharply
-1 to 0 with stable fundamentalsMild pullback; can improve valuation-health score
-3 to -1 with stable/improving fundamentalsDiscounted pullback; score can be high, but check trend parallelism
< -3 or below key long DMA with estimate cutsPossible breakdown; score should fall

Important: S_Divergence is a valuation-health score, not a pure momentum score. Upward price-DMA divergence lowers the score because the stock is more stretched. Downward divergence raises the score only when fundamental speed and revision confirmation are stable or improving; if fundamentals are deteriorating, downward divergence is trend damage rather than an opportunity.

5. Trend Parallelism / Escape Ratio

Calculate:

EscapeRatio = 5-day price slope / 50DMA daily slope

Interpretation:

EscapeRatioStatus
0.8-1.2Price and 50DMA are parallel; healthy
1.2-1.8Short-term acceleration; acceptable
1.8-2.5Clearly hot
>2.5FOMO escape
0-0.5Momentum decay
<0Short-term reversal; trend damage

6. Revision Confirmation

Score estimate revisions:

Revision stateScore
Revenue and EPS estimates rising; company guide above consensus85-100
Mild upward revisions; guide slightly above consensus70-85
Stable expectations; limited upward revision55-70
Revisions starting to fall35-55
Guide below consensus; analysts cutting estimates<35

Divergence Module Scoring

Use asymmetric scoring for S_Divergence:

StateScore
Price close to 20/50DMA, above 100/200DMA80-95
Stable/improving fundamentals; price below 20DMA but near 50DMA85-100
Stable/improving fundamentals; price 5%-15% below 50DMA while long DMAs remain healthy75-95
Price 5%-12% above 20DMA65-80
Price 12%-20% above 20DMA50-70
Price >20% above 20DMA or >30% above 50DMA25-55
Price below 50DMA with weakening fundamentals or estimate cuts35-60
Price below 100DMA with estimate cuts15-45
Price below 200DMA with fundamental deterioration0-30

When price is below key DMAs, explicitly state whether the lower price is a healthy pullback or a breakdown. The deciding gate is fundamental speed plus revision confirmation.

Final Scoring

Calculate total score out of 100:

HealthScore = 40S_GrowthMatch + 25S_Divergence + 20S_Parallel + 15S_Revision

Module scoring:

ModuleWeight
Fundamental speed match40%
Price-DMA divergence / pullback opportunity25%
Trend parallelism20%
Revision confirmation15%

Final interpretation:

ScoreStateMeaning
85-100Healthy MomentumHealthy main uptrend
75-85Strong but WatchStrong trend; continue monitoring
65-75Hot but SupportedHot, but fundamentals can still support it
55-65Damaged / OverheatedTrend damage or local overheat
40-55High RiskRisk clearly rising
<40Broken / EscapingBroken trend or post-escape pullback

Output Format

Use this structure for every ticker:

# TICKER: GF-DMA Health Index 评分

最终评分:XX / 100
状态:Healthy Momentum / Strong but Watch / Hot but Supported / Damaged / High Risk / Broken

一句话判断:
...

1. 基本面速度
- 最新季度营收:
- 下一季度营收指引:
- 营收 QoQ:
- EPS QoQ:
- 毛利润 QoQ:
- Fundamental Speed:

2. 均线速度匹配
| 均线 | 季度化斜率 | 相对基本面速度 | 判断 |
|---|---:|---:|---|
| 20DMA | | | |
| 50DMA | | | |
| 100DMA | | | |
| 200DMA | | | |

3. 股价-均线背离
| 指标 | 当前背离 | 判断 |
|---|---:|---|
| P / 20DMA - 1 | | |
| P / 50DMA - 1 | | |
| P / 100DMA - 1 | | |
| P / 200DMA - 1 | | |

4. 趋势平行度
- Escape Ratio:
- 判断:

5. 预期上修确认
- 公司指引 vs 市场预期:
- 过去 30 天预期变化:
- 判断:

6. 综合评分
| 模块 | 权重 | 分数 |
|---|---:|---:|
| 基本面速度匹配 | 40% | |
| 股价-均线背离 | 25% | |
| 趋势平行度 | 20% | |
| 预期上修确认 | 15% | |

结论:
...

Detailed Reference

Read references/original-framework.md when a task needs the full Chinese framework text, examples, source priority list, or scoring tables in their original form.

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