Second-hand Marketplaces AI Visibility Trends

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 31, 2026 to Aug 12, 2026.

eBay leads the latest ChatGPT snapshot with a 88.1 AI Index and 85.7% mention rate.

eBay is down 9 AI Index points across the visible window, moving from 97.1 to 88.1 on ChatGPT.

The chart currently compares eBay, Vinted, Mercari. 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.

Second-hand Marketplaces AI ranking queries should use the base collection page. This trend page is for Second-hand Marketplaces ranking trend, history, and movement over time.

Trend Summary

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EntityLatest AI IndexStart AI IndexDeltaMention RateLatest RankBest RankTrend
eBay88.197.1-985.7%#1#1Declining
Vinted6870.3-2.385.7%#2#2Stable
Mercari54.657.6-371.4%#3#2Stable
Poshmark53.369.9-16.685.7%#4#2Declining
Vestiaire Collective47.950.4-2.657.1%#5#3Stable
The RealReal47.350.3-342.9%#6#4Stable
GOAT37.720+17.714.3%#7#7Rising
Depop29.453.6-24.128.6%#8#4Declining
Facebook Marketplace2951.8-22.80%#9#6Declining
Back Market28.416+12.428.6%#10#10Rising

Biggest Movers

Biggest gainers

  1. GOAT+17.7
  2. leboncoin+17
  3. Craigslist+13

Biggest decliners

  1. Depop-24.1
  2. OLX-24
  3. Facebook Marketplace-22.8

Most stable

  1. Carousell+0.3
  2. Wallapop+1
  3. Vinted-2.3

Engine Snapshot Comparison

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EngineLatest LeaderLeader AI IndexLeader GapEntitiesSnapshot Date
MiniMaxeBay69.49.416Jun 4, 2026
QweneBay85.714.217May 24, 2026
GrokMercari73.62.924Aug 22, 2026
ChatGPTeBay88.120.122Aug 12, 2026
GeminieBay95.71217Aug 12, 2026
ClaudeeBay84.310.217May 24, 2026
KimieBay91.41420Aug 12, 2026
DeepSeekeBay94.31119Aug 12, 2026

Snapshot History

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DateLeaderLeader AI IndexLeader GapTop 3Entities
Aug 12, 2026eBay88.120.1eBay, Vinted, Mercari22
Jun 26, 2026eBay74.47.4eBay, Vinted, Mercari15
Jun 19, 2026eBay98.638eBay, Poshmark, Vestiaire Collective17
Jun 12, 2026eBay95.735.1eBay, Poshmark, Mercari18
Jun 10, 2026eBay74.914eBay, StockX, Mercari18

ChatGPT· AI Index History

10 data points
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