comparative-market-analysis
GitHub构建可比市场分析报告(CMA)以评估房产价值。基于近期相似房源销售数据，通过调整差异得出估值区间和定价建议，辅助房地产专业人士决策，非正式估价。
Trigger Scenarios
Install
npx skills add mohitagw15856/pm-claude-skills --skill comparative-market-analysis -g -y
SKILL.md
Frontmatter
{
"name": "comparative-market-analysis",
"description": "Build a comparative market analysis (CMA) to price a property. Use when asked to do a CMA, a comparative market analysis, price a home, or estimate a property's value from comparables. Produces a structured CMA — the subject property, selected comparables with adjustments, an estimated value range, market context, and a pricing recommendation with rationale — for a real-estate professional to review. Not a formal appraisal."
}
Comparative Market Analysis Skill
A CMA prices a home the way the market actually values it: against recent, similar, nearby sales — adjusted for the differences. This skill structures that analysis so the number is defensible: the comparables chosen and why, the adjustments made, the resulting range, and a pricing recommendation tied to the seller's goal.
Note: this is a pricing-analysis aid for a real-estate professional, not a formal appraisal or financial/legal advice. It works from the comparables and figures you provide; valuation depends on local market data and professional judgement. Never invent comp sales or prices — use the data given or mark it to source.
Working from a brief
Given a subject property and a few comps, build the CMA anyway — structure the analysis, apply reasoned adjustments, and give a range, marking any figure to source (confirm with MLS/records). Where comps are missing, explain what to pull rather than inventing sales. Never fabricate comparable prices.
Required Inputs
Ask for these only if they aren't already provided (else mark to source):
- Subject property — address/area, type, beds/baths, size, lot, condition, and notable features.
- Comparables — recent nearby sales (and ideally active/pending) with their key attributes and sale prices.
- Market context — local trend (rising/flat/falling), inventory, and days-on-market if known.
- Goal & timeline — sell fast vs. maximise price, and any deadline.
Output Format
CMA: [subject property]
1. Subject property — the key attributes summarised.
2. Comparables — a table of the comps used, with adjustments toward the subject:
| Comp | Sold price | Date | Beds/Baths | Size | Key differences | Adjustment | Adjusted price |
|---|
Explain the adjustment logic (e.g. +/- for size, condition, extra bath, garage, view) — directionally and why.
3. Market context — the trend, inventory, and absorption, and what it means for pricing now.
4. Estimated value range — a supported range from the adjusted comps (not a single false-precision number), with the most-likely figure.
5. Pricing recommendation — a list price tied to the goal (e.g. price at market for speed, slightly under for multiple offers, at the top of range to test) — with the trade-off of each.
6. Caveats — data to confirm, and a note that a formal appraisal/agent review is needed.
Quality Checks
- Comps are genuinely comparable (recent, nearby, similar) — or the limitation is flagged
- Adjustments are explained directionally with rationale, not hand-waved
- The output is a supported range, not a single false-precision number
- The pricing recommendation ties to the seller's goal and states the trade-off
- Market trend/inventory context informs the recommendation
- No comp sales or prices are invented; figures to source are flagged
Anti-Patterns
- Do not invent comparable sales or prices — use provided data or say what to pull
- Do not give a single exact value with false precision — give a supported range
- Do not skip adjustments — raw comp prices ignore the differences that matter
- Do not ignore the market trend — a stale comp in a moving market misleads
- Do not present this as a formal appraisal — flag for professional review
Based On
Real-estate valuation practice — comparable-sales analysis with feature adjustments, market-context weighting, and goal-aligned pricing (CMA, not a formal appraisal).
Version History
- a38bc30 Current 2026-07-05 11:25
