Poshmark AI Visibility Trend in Second-hand Marketplaces
Second-hand Marketplaces · ChatGPT · AI Index over time
Trend Overview
Second-hand Marketplaces AI visibility trends show how entity AI Index scores have moved across 10 completed public ChatGPT leaderboard snapshots from May 4, 2026 to Jun 2, 2026.
eBay leads the latest ChatGPT snapshot with a 95.7 AI Index and 100% mention rate.
eBay is up 22.6 AI Index points across the visible window, moving from 73.1 to 95.7 on ChatGPT.
The chart currently compares Poshmark. Use the entity filters to separate durable visibility trends from one-off ranking movement in a single AI engine.
Read this trend alongside the main Second-hand Marketplaces leaderboard and entity pages: the trend view explains historical movement, while ranking pages show the latest cross-entity position, mention rate, and score gap.
Trend Summary
Biggest Movers
Biggest gainers
- OfferUp+39.1
- Depop+23.1
- eBay+22.6
Biggest decliners
- Back Market-39.6
- GOAT-38.6
- StockX-32.9
Most stable
- Jiji0
- OLX-1
- Allegro-1
Engine Snapshot Comparison
Snapshot History
| Date | Leader | Leader AI Index | Leader Gap | Top 3 | Entities |
|---|---|---|---|---|---|
| Jun 2, 2026 | eBay | 95.7 | 31.6 | eBay, Vinted, Mercari | 23 |
| May 31, 2026 | eBay | 97.1 | 26.8 | eBay, Vinted, Poshmark | 16 |
| May 24, 2026 | N/A | 0 | N/A | 0 | |
| May 22, 2026 | N/A | 0 | N/A | 0 | |
| May 16, 2026 | eBay | 58.3 | 5 | eBay, Back Market, Vinted | 26 |
Continue from Here
ChatGPT· AI Index History
10 data points
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