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Market nuance summarizer

Transforms raw MLS statistics and market data for a submarket into a concise narrative summary covering price signals, absorption trends, inventory shifts, days-on-market movement, and flagged anomalies — with a…

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Purpose

Convert a table of raw MLS stats or market data into a tight, decision-ready narrative that names the real pricing signals, distinguishes noise from trend, and flags anomalies a spreadsheet alone would bury. Solves the problem of analysts staring at rows of numbers with no clear story to hand to a pricing committee, appraiser, or client.

When to Use

Invoke this skill when the user asks to:

  • Summarize MLS or market stats for a specific neighborhood, ZIP, or submarket
  • Explain what recent pricing, inventory, or DOM data actually means
  • Write a market snapshot or monthly market update for a submarket
  • Prep a pricing recommendation or listing strategy with supporting market context
  • Identify anomalies or turning points in a dataset before they become obvious
  • Compare a submarket's current period against prior periods or a benchmark

Inputs Required

Before starting, collect:

  • Submarket definition: Neighborhood, ZIP code, MLS area, or geographic boundary
  • Property type: Single-family, condo, multifamily, land, or mixed (specify segment)
  • Raw data: MLS stats or market figures — median/average sale price, list-to-sale ratio, DOM, months of inventory, closed/pending/new listing counts, price per sq ft
  • Time frame: The reporting period and at least one prior period for comparison (MoM, QoQ, or YoY)
  • Benchmark (optional): A comp submarket, metro-wide figure, or historical baseline to contextualize
  • Audience: Pricing committee, appraiser, agent, or client — determines depth and tone
  • Specific question (optional): Any decision the summary needs to inform (e.g., "should we list at 2.5% above last comp?")

If a prior period or benchmark is missing, note it explicitly and summarize the current period without directional claims that require comparison.

Instructions

Step 1: Normalize and Sanity-Check the Data

Before interpreting anything, confirm the inputs are usable:

  • Identify which metrics are present and which are missing
  • Convert everything to consistent units and periods (annualize or restate as needed)
  • Flag any figure that looks like a data error (e.g., DOM of 3 days with 8 months of inventory) rather than a real signal
  • Note sample size — a submarket with <15 closed sales in the period produces volatile medians that must be caveated

Step 2: Read the Core Pricing Signals

Interpret the primary price indicators, always distinguishing level from direction:

  • Median vs. average: A widening gap signals a shift in mix (more high-end or low-end sales) rather than true appreciation — call this out
  • Price per square foot: More reliable than raw median for detecting real value movement, since it controls for size mix
  • List-to-sale ratio: Above 100% = competitive/appreciating; 97–100% = balanced; below 97% = softening or overpricing. State which regime the submarket is in
  • Direction and magnitude: Report the change (%), then judge whether it exceeds the noise threshold given sample size

Step 3: Read the Momentum and Supply Signals

Pricing lags; velocity leads. Interpret the forward indicators:

  • Days on market (DOM): Rising DOM is the earliest sign of softening — often precedes price declines by 1–2 periods
  • Months of inventory (MOI): <4 = seller's market; 4–6 = balanced; >6 = buyer's market. State the regime and the trend
  • New vs. closed vs. pending: Rising new listings against flat closings signals building supply; rising pendings signals demand strength ahead of closed-price data
  • Absorption trend: Whether the market is clearing inventory faster or slower than the prior period

Step 4: Identify Anomalies and Turning Points

Separate the two most valuable findings — what's off, and what's changing:

  • Anomalies: Metrics diverging from their historical pattern or from each other (e.g., prices up but DOM also rising — a warning of mix distortion or a stalling top end)
  • Turning points: The first period where a multi-period trend reverses or inflects
  • Mix distortion: Any signal that a price move is driven by what sold rather than what things are worth
  • For each anomaly, offer the most likely explanation and whether it's signal or noise

Step 5: Synthesize the Directional Read and Pricing Implication

Close the loop with a judgment, not just data:

  • State the market regime in one line (e.g., "cooling seller's market — still favoring sellers but momentum decelerating")
  • Give the directional call for the next 1–2 periods and the confidence level (high/moderate/low) based on signal alignment and sample size
  • Translate into a pricing implication for the stated audience and question — a concrete recommendation or range, with the caveat that governs it

Output Format

  • Structure: Short titled sections in the order the analyst reads them — headline read first, evidence after
  • Length: 350–550 words
  • Format: Narrative prose with a bulleted "Signals at a Glance" block; no data dumps
  • Sections: Headline Read (2–3 sentences) → Signals at a Glance (5–7 labeled bullets with direction arrows) → Pricing Signals → Momentum & Supply → Anomalies & Turning Points → Directional Read & Pricing Implication
  • Tone: Senior market analyst — precise, hedged where the data is thin, decisive where the signals align. Names the story; never just restates the table.

Quality Checklist

Before delivering output, verify:

  • [ ] Every directional claim (up/down/softening) is backed by a specific figure from the input
  • [ ] Median-vs-average and price-per-sqft mix effects are addressed, not conflated with true appreciation
  • [ ] Market regime is stated for both pricing (list-to-sale) and supply (MOI) using the defined thresholds
  • [ ] At least one anomaly or turning point is identified — or an explicit statement that the data is internally consistent
  • [ ] Sample-size or missing-data caveats are noted wherever they limit confidence
  • [ ] The closing implication answers the buyer's stated question (or the audience's likely one) with a confidence level

Notes

  • DOM and inventory lead price — when they diverge from price, trust velocity for the forward call
  • A single volatile median from a thin submarket is the most common false signal; always weight price-per-sqft and list-to-sale ratio more heavily when counts are low
  • If the user provides only current-period data, deliver a clean snapshot and state plainly that trend claims require a prior period — do not manufacture a direction
  • Resist the temptation to report every number; the value is in the three or four signals that actually move the pricing decision

How to use this skill

This file is a Claude Code skill in Anthropic's standard format — markdown with YAML frontmatter at the top.

Installing in Claude Code:

  • ~/.claude/skills/<folder-name>/SKILL.md — auto-loads in every session anywhere on your machine (recommended for skills you'll use across multiple projects)
  • <your-project>/.claude/skills/<folder-name>/SKILL.md — auto-loads only when working in that project (recommended for project-specific skills)

Restart Claude Code or open a new session to register.

Using in Claude.ai, ChatGPT, Gemini, or other AI tools:

  1. Drag this file into a new chat, or copy and paste its contents
  2. Send your task or request as your next message — the AI will apply the skill where it fits

For Claude Code skill details: https://docs.anthropic.com/en/docs/claude-code/skills