ResaleSonar is a resale price checker for resellers. It tracks what your items actually sell for across marketplaces like eBay, StockX, GOAT and The RealReal, grades comparables by condition, filters out fakes and installment prices, and returns one honest market median to price from.

How does ResaleSonar price my items?

Paste a product or competitor URL once. ResaleSonar sweeps the major marketplaces every day, matches condition-graded comparables, removes counterfeit and installment noise, and gives you a clean median so you price from real sold data instead of guesswork.

Which marketplaces does ResaleSonar track?

ResaleSonar tracks major resale channels including eBay, StockX, GOAT, The RealReal, Fashionphile, Chrono24 and Vestiaire Collective, pulling them into one feed synced to your catalog.

How much does ResaleSonar cost?

Plans start at $89 USD per month for Starter, $199 for Growth and $599 for Pro, and you can begin with a free trial.

Does ResaleSonar filter out fake listings?

Yes. ResaleSonar suppresses counterfeit listings, installment prices like four payments of a smaller amount, and mismatched conditions before it calculates your median, so your pricing reflects real, authentic sales.

Check resale prices without opening 50 tabs.

See what your bags, watches and sneakers actually sell for across 14 marketplaces, with fakes and installment totals filtered out.

eBayStockXGOATThe RealRealFashionphileRebagChrono24VestiaireDepopGrailedMercariWhatnoteBayStockXGOATThe RealRealFashionphileRebagChrono24VestiaireDepopGrailedMercariWhatnot

More listings.
More margin.

ResaleSonar for high-volume sellers means pricing dominance. Track thousands of items across every marketplace, and never underprice an authentic piece again.

Start tracking

The ResaleSonar dashboard tracking 12 products across marketplaces, each flagged below, at, or above market, with weekly sudden-move alerts and an AI summary of what changed

Features (9)

Track it. Price it. Sell it.

Market median

One clean median from real sold comps, so you price from signal instead of a spreadsheet full of noise.

Sold comps

Real sold transactions across every marketplace, matched to your exact item and refreshed every day.

Condition grading

Comparables graded by condition, so a mint piece isn't priced against a beat-up one.

Fake filter

Counterfeits, installment tricks and mismatched listings suppressed before they touch your average.

Multi-site tracking

eBay, StockX, GOAT, The RealReal and more, pulled into one feed synced to your catalog.

Price alerts

Get notified the moment the market moves so you can reprice before your item goes stale.

Net profit math

Marketplace fees, shipping and payout timing built in, so you see real take-home per sale.

Fee breakdowns

Know exactly what each marketplace keeps, from eBay's final value fee to StockX's tiered rate.

AI assistant

Ask anything about your catalog and get answers that read, filter and reason over real market data.

Stats and facts

The data you need to price with confidence

Learn more

14Marketplaces tracked
Every major resale channel in one clean feed.
42%Faster sell-through
Priced right, your items move quicker.
+15%More revenue
Average lift in the first 30 days.
$4,200Recovered per deal
Stop underpricing authentic items.
100%Real sold data
Never guess from active listings again.

Live market data

Resale
Price Index

Track how the hottest resale categories are moving, and see where the market is heading before you buy or list.

Explore the index

RSI compositeUpdated today

1,284▲ 3.2%

Weighted across 14 marketplaces · 30-day sold volume

01▲ 8.4%
Sneakers
1.1Msold · 30d
02▲ 5.1%
Luxury bags
877Ksold · 30d
03▼ 1.6%
Watches
600Ksold · 30d
04▲ 12.3%
Trading cards
597Ksold · 30d
05▲ 3.9%
Streetwear
541Ksold · 30d
06▲ 6.7%
Sealed LEGO
477Ksold · 30d

Our customers

How we help resellers win

The Chanel Archive

ResaleSonar stopped us underpricing authentic flaps. We price from the real market median now, fakes filtered out, and our margins have never been healthier.