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Stock pick ranker

Skill build-with-dhiraj/ai-workflow-framework-portability-kit/Skills/stock-pick-ranker

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Install
npx -y skills add build-with-dhiraj/ai-workflow-framework-portability-kit --skill stock-pick-ranker

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SUPERSEDED (2026-06-13) — OFFLINE xlsx-research variant ONLY; for adding/ranking stocks into the LIVE Action Dashboard use the stock-onboarding-pipeline skill instead (vault-binding v2). This v1 runs the full matured equity quality+valuation ranking pipeline on new stocks and append them into the Substack_Stock_Picks.xlsx workbook. Use this skill WHENEVER the user gives new companies/tickers to evaluate, new Substack (or other newsletter) investor profile URLs to scrape for stock picks, or asks to "add these stocks", "rank these companies", "score this stock", "run the workflow on X", "append to the stock workbook", "update the ranking", or extend/refresh the investment ranking. It scrapes investor newsletters, enriches live (Indian-listed) financials from Screener/Moneycontrol, scores each stock on a 7-factor principles rubric, runs forward + reverse DCF valuation (method-appropriate by stock type), reliability-weights the valuation into the rank, re-ranks the combined universe, and appends/refreshes the workbook. Trigger it even if the user only names a company and a goal ("is XYZ a good long-term buy? add it to the sheet") without saying "rank" or "workflow" explicitly. Do NOT trigger it for standalone financial models for private/unlisted companies (that's the creating-financial-models skill), one-off metric lookups (a single P/E or price), plain Substack text extraction with no stock to rank, generic spreadsheet edits, purely conceptual finance questions, or ranking non-stocks (vendors, job candidates) — those are not this stock-ranking-into-the-workbook pipeline.

SKILL.md

10.8 KB, as published. Nobody here has run it

Stock Pick Ranker

An end-to-end pipeline that turns new companies (or new Substack investor profiles) into scored, valued, ranked rows appended to Substack_Stock_Picks.xlsx. It encodes a workflow that was built and hardened over a long session — follow the stages and the hard-won rules below rather than improvising, because most of the rules exist to prevent specific failures we already hit.

What it produces

New stocks are scored, valued, merged into the existing universe, re-ranked, and written into the workbook. The ranking is relative, so adding stocks means recomputing the ranking over the whole set — never just bolting rows onto a stale order.

Inputs (either or both)

  • Companies — a list of tickers/names (e.g. "score INFY, KPITTECH and add them"). Skip straight to enrichment (Stage 2).
  • Substack (or other newsletter) profile URLs / handles — scrape them first (Stage 1) to extract which stocks each author recommends and the thesis, then continue.

Default workbook: /Users/Dhiraj/dev/invest/Substack_Stock_Picks.xlsx. If the user names a different file, use that. Always preserve existing sheets/data — this skill appends and refreshes, never overwrites unrelated content.

Environment & dependencies (read once — these bite if ignored)

  • Python: use /usr/bin/python3 for anything importing numpy/pandas/openpyxl. On this machine it is the only interpreter with those installed (Homebrew 3.14 and 3.11 lack them and pip is broken there). uv exists as a fallback (uv run --with numpy --with pandas ...).
  • DCF engine: valuation uses the installed creating-financial-models skill at ~/.claude/skills/creating-financial-models/dcf_model.py (class DCFModel). That model has been bug-fixed (depreciation decoupled from capex; terminal working-capital normalised so equity value is monotonic in growth). Do NOT reimplement DCF math — import that model. See references/valuation.md.
  • Web data: Screener.in (primary), Moneycontrol / Tickertape / Trendlyne (fallback). For Substack, the public JSON API (no key) — see scripts/substack_fetch.py.

The workbook

Substack_Stock_Picks.xlsx currently has 9 sheets. Read references/workbook-schema.md for the exact column layout of each before writing, so appended rows line up and the right sheets get refreshed. Data sheets (Stock Picks, Live Financials) get new rows appended; ranking/derived sheets (Master Ranking, What's Hot, Final Ranking v2, Valuation (DCF)) get fully recomputed over the combined universe.

Source of truth

Keep the per-stock structured data in /Users/Dhiraj/dev/invest/extracted/ as the durable store: _consolidated.json (thesis), enriched/*.json (live financials), _principles_scores_v2.json (factor scores), valuation/v2/*.json (valuations), _final_v2.json (the ranked dataset). New stocks are merged into these, then the workbook is rendered from them. The workbook is a rendering; the JSON is the truth. This is what makes a clean re-rank possible.

Pipeline

Use parallel subagents for the heavy fan-out stages (scraping, enrichment, scoring, valuation) — one per batch of ~6-8 stocks (or one per publication). Each stage has a reference and/or script.

Stage 1 — Scrape Substack (only if given profiles)

Resolve handle → publication, list the post archive, fetch free post bodies, and extract the recommended stock(s) + thesis per article (one row per main pick; skip thematic/educational posts). Paid post bodies are paywalled — the user must paste those manually. Use scripts/substack_fetch.py. Output per author into _consolidated.json (company, ticker, thesis_crux, key_risk, upside, sector, source). Never invent figures — record only what the author states. See references/enrichment.md (§Substack extraction).

Stage 2 — Enrich live financials → High confidence for every stock

For each new company gather the current hard data (FY-end March: latest FY + latest quarter, "as of" today). The user's standing rule: no stock may stay low-confidence — go to the web and fill every field. Never fabricate — only sourced figures, cite sources, flag any estimate. Use bank/NBFC/InvIT -appropriate metrics. Full field list, sources, and per-type handling: references/enrichment.md. Write to extracted/enriched/.

Stage 3 — Consolidate / dedup

Merge to one row per stock across authors (a stock recommended by two authors = one merged row crediting both). Run scripts/consolidate.py (or fold into the enrichment step). Cross-author overlap is the basis of the "hotness" signal.

Stage 4 — Score the 7-factor principles rubric (judgment; use a subagent)

Score each stock 1-5 on Moat (F1), Margin-of-Safety (F2), Capital-Efficiency (F3), Antifragility (F4), Asymmetry (F5), Management/skin-in-game (F6), Convergence/2nd-level (F7), using live financials for the quantitative factors and the author thesis for the qualitative ones. Anchors, weights, and the principle→factor mapping (MindSnacks + Greenblatt + Piotroski): references/rubric.md. Confidence = High for all once hard data is complete; put earnings-quality caveats in red_flags, not confidence. Write extracted/_principles_scores_v2.json.

Stage 5 — Valuation: forward + reverse DCF (method-appropriate; use a subagent)

For each stock, value it with the right method for its type and produce a verdict (Undemanding/Reasonable/Demanding/Heroic) + a valuation_score_1to5:

  • Non-financial, profitable → forward DCF + reverse-DCF (back out market-implied growth) on the fixed model. Set depreciation_percent ≈ true D&A (NOT expansion capex).
  • Bank/NBFC/power-trading → justified-P/B vs ROE (no DCF).
  • Loss-maker → EV/Sales (no DCF).
  • InvIT → distribution-yield vs required.
  • Cyclical/commodity → reverse-DCF on a through-cycle margin, flagged Low confidence. Use scripts/valuation_runner.py. Full method + the model's residual limitations + reliability flags: references/valuation.md. Write extracted/valuation/v2/.

Stage 6 — Rank (deterministic)

Run scripts/rank.py over the combined universe (existing + new). It computes the principles score (weighted 7 factors), hotness, blends the reverse-DCF valuation into Margin-of-Safety weighted by reliability (so DCF artifacts on thin-margin/cyclical names can't corrupt the rank), forms Master = 85% principles + 15% hotness, and re-ranks. Writes extracted/_final_v2.json.

Stage 7 — Append & refresh the workbook

Append the new stocks' rows to the data sheets and fully recompute the ranking sheets over the combined set. Use scripts/append_workbook.py (then spot-verify, or dispatch a builder subagent for full 9-sheet consistency). Read references/workbook-schema.md first. Re-open and verify sheet counts/row counts after writing.

Hard rules (these prevent the specific failures we hit)

  1. No fabricated numbers, ever. Every financial figure is sourced or left blank/flagged. The whole exercise is worthless if numbers are invented. Cite sources; mark estimates.
  2. /usr/bin/python3 for numpy/pandas/openpyxl. Other interpreters here lack them.
  3. Import the fixed creating-financial-models model for DCF — don't rewrite it; set depreciation_percent separately from capex.
  4. Method-appropriate valuation — DCF is wrong for banks (P/B), loss-makers (EV/Sales), InvITs (yield), and unreliable for cyclicals (through-cycle margin + Low confidence). Don't force DCF on them.
  5. Reliability-weight the valuation blend — a simplified DCF still under-converts FCF for thin-margin / high-NWC / cyclical names, so down-weight flagged/Low-confidence reverse-DCF reads (~0.20) vs clean High-confidence ones (~0.55). Trust multiples (F2) where the DCF is a known artifact.
  6. Re-rank the whole universe when adding stocks — the ranking is relative. Never append to a stale order.
  7. Quality is the backbone; valuation is an overlay. Don't let a noisy DCF dominate a sound quality rank — it's ~15% of the move, by design.
  8. Parallel subagents for scraping/enrichment/scoring/valuation (batch ~6-8). Consolidate centrally.
  9. Preserve the workbook — append/refresh only; never clobber unrelated sheets.

Files in this skill

  • references/enrichment.md — fields to gather, sources, per-type handling, Substack extraction, no-fabrication rules.
  • references/rubric.md — the 7 factors (1-5 anchors), weights, principle mapping, confidence.
  • references/valuation.md — DCF/reverse-DCF method, discount-rate assumptions, method-by-type, reliability-weighted blend, model caveats.
  • references/workbook-schema.md — the 9 sheets and their columns; what to append vs recompute.
  • scripts/substack_fetch.py — resolve profile / list archive / fetch free post bodies (Substack public API).
  • scripts/valuation_runner.py — forward DCF + reverse-DCF (binary search) wrapping the fixed model; justified-P/B / EV-Sales / yield helpers.
  • scripts/rank.py — principles score + hotness + reliability-weighted valuation blend + master + re-rank.
  • scripts/append_workbook.py — append new rows to data sheets and recompute ranking sheets.

Gives 0 of the 12 instructions most pdf office docs skills give

Counted across 635 of the 690 authors here whose files we hold, read 2026-08-06

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  • create PDFs using reportlabin 83 of 635, across 16 files
  • read FORMS.md to fill out PDF formsin 80 of 635, across 13 files
  • OCR scanned PDFs using pytesseractin 77 of 635, across 10 files
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  • document sources for hardcoded valuesin 61 of 635, across 9 files
  • write minimal python code without unnecessary commentsin 59 of 635, across 7 files
  • run the recalculation script after adding or modifying formulasin 58 of 635, across 6 files
  • fix all identified formula errors and recalculatein 58 of 635, across 6 files
  • format years as text stringsin 57 of 635, across 5 files

Said here and by no other author read

  • use /usr/bin/python3 for numpy, pandas, or openpyxl
  • import the existing financial model for DCF valuation
  • use parallel subagents for scraping, enrichment, scoring, and valuation
  • source every financial figure or leave it blank
  • use the valuation method appropriate for the stock type
  • re-rank the combined universe when adding stocks

Grouped from the skills themselves: near-identical wordings counted once, and counted by distinct author, so one author publishing three of these counts once.

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