US metro home price changes
Chartr's map drew 2.2K views on X: 1.0x its typical post and #12 of 23 Chartr charts we track by views. Read Oct 10, 2026.
Home prices soared in all 50 major metro areas in December:
Why it spread
This post spread mainly because it hit a hot topic that week and used an unusual chart type, though its measured engagement stayed modest: it drew 2,176 views, 4 likes, 0 reposts, 0 quotes and 2 saves, which was 0.6x the account's typical performance against a typical 7 likes.
What worked
- It rode a hot topic that week, tying home prices to a subject people were already talking about.
- It used an unusual chart type, a map, which stood out from routine chart formats.
- It carried a source line and framed the finding clearly, saying home prices soared in all 50 major metro areas in December.
What to borrow
We could take a timely topic and present it as a map, with a clear headline finding and a visible source line, to give our own data a fresh and shareable form.
Careful
Do not over-read this as a big success: engagement was below the account's normal level at 0.6x, with 0 reposts and 0 quotes, and the source reach and quote rate both sat in the bottom quarter.
Written by our analysis model from the measured numbers above, not by Chartr.
Make it yours
Your numbers, in this table chart.
Starts from the real numbers of "Home prices rose in all major metros in December" by Chartr. Replace every number with yours before you post. Make one like this, step by step
Free pictures carry a small "Made with ViralChart" line. That line is how other people find us.
API · Max
Use this chart via API
On the Max plan you can pull this chart's numbers with the provenance of each one, as JSON or CSV, with its redraw spec, or call it from an agent over MCP. Chart id aff89d50b690.
Approximate values. Our two readings of this chart agreed only in part (confidence 0.30 of 1), so check the original before you quote a number. The API marks it lowConfidence, and ?min_confidence=0.5 leaves it out.
| Path | Returns | Plan | |
|---|---|---|---|
| GET | /api/v1/charts/aff89d50b690 | Title, publisher, date, form, point count; with a Max key, the data link | Open |
| GET | /api/v1/charts/aff89d50b690/data | Every point with its provenance and confidence, plus the redraw spec. Add ?format=csv for CSV | Max |
| GET | /api/v1/charts/aff89d50b690/render?view=1 | The draw-only view this page uses | Open |
| POST | /mcp | Tool get_chart_data with this id, for Claude, Cursor and other agents | Max |
curl -s https://viral-chart.com/api/v1/charts/aff89d50b690/data \
-H "Authorization: Bearer $VIRALCHART_KEY"claude mcp add --transport http viralchart https://viral-chart.com/mcp \
--header "Authorization: Bearer $VIRALCHART_KEY"60 requests a minute per key; over that you get 429 with Retry-After. Up to 5 keys per account, made on your account page and shown once. Without Max, the data route answers 402 with a link to the plans. The numbers describe a chart its publisher owns, and every file carries a license note.
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Questions people ask
How far did Chartr's "US metro home price changes" chart travel?
2,176 views, 4 likes, 0 reposts and 2 saves on X, read Oct 10, 2026. A normal post from @chartrdaily gets about 2.2K views.
What kind of chart is it?
A map. Midwest cities led price surge while Florida and Texas trailed.
Can I use Chartr's chart?
Use the format, not the picture. The chart, logo and design belong to Chartr. ViralChart redraws the chart type with your numbers and words, and credits the original publisher.