How to Read Sold Comps (and Why Asking Prices Lie)

If you have ever checked a card's value and then been unable to sell it for that price, you have experienced the gap between asking prices and sold prices. It is one of the most common mistakes collectors make, and it leads to bad decisions at every level — overpaying when buying, overpricing when selling, and grading cards that are not worth it. This guide explains how to read sold comps correctly and why asking prices are a trap.

Sold vs Listed: Why the Difference Matters

A listed price is what a seller hopes to get. A sold price is what a buyer actually paid. These two numbers can be wildly different, and only one of them tells you what a card is worth.

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Think about it: anyone can list a card for any price. A seller might list a common card for ten times its real value and wait months with no sale. That listing tells you nothing about the card's market value. But when a card actually sells — when a buyer puts down real money — that transaction is the market speaking.

This is why CardVault uses sold comps only. Every value is built from actual sold listings, never asking or active prices. The last 5 real sales of your exact card are the most reliable indicator of what it is worth right now.

Where to Find Sold Comps

On eBay, filter your search to "Sold Items" only. This removes all the active listings and shows you only completed sales. Look for sales of your exact card — same year, set, player, card number, and parallel. A different parallel or variant of the same card can sell for a very different price.

Other sources include auction houses like PWCC, Goldin, and Heritage, plus tools like 130point that aggregate eBay sold data. The key is consistency: use the same type of source when comparing cards so you are comparing apples to apples.

Best Offer Accepted: The Hidden Sale Price

On eBay, many listings show "Best Offer Accepted" instead of the final price. This means the seller and buyer negotiated, and the actual sale price was lower than the listed asking price. The problem is that eBay does not always show the accepted offer amount — it sometimes shows the original listing price, which is higher than what was actually paid.

This is a common source of inflated value estimates. If you see a "Best Offer Accepted" listing, the real sale price was likely below the listed number. Be conservative when using these as comps, or look for fixed-price sold listings where the displayed price is the actual transaction price.

Variants and Serial Numbers: Getting the Right Card

The most common comp mistake is comparing the wrong card. A base card and a parallel of the same player can look similar but have completely different values. Always verify:

• Same year and set
• Same card number
• Same parallel or variant
• Same serial number (if numbered)

A /99 parallel and a /25 parallel of the same card can differ in value by multiples. A Cover A and Cover B of the same comic can be night and day. Get the exact card, not a close match.

Using the Last Five Sales

CardVault pulls the last 5 sold comps for your exact card and takes the median. Why 5? Because it is enough data to spot a trend but recent enough to reflect the current market. One sale can be an outlier — a bidding war, a mistake, or a desperate buyer. Five sales smooths that out.

Look at the spread of those 5 sales. If they are all close together, the market is stable and the median is reliable. If one sale is way above or below the others, it is likely an outlier — a one-off auction battle or a fire-sale by a seller who needed cash fast. CardVault excludes outliers (any sale more than 2x or less than 0.5x the median) before computing the value.

Condition Matching: Raw vs Graded, Grade vs Grade

A raw card and a graded card are different products with different prices. A PSA 7 and a PSA 9 of the same card are different products. When you pull comps, make sure you are comparing the same condition.

If you are valuing a raw card, look at raw sold comps. If you are valuing a graded card, look at graded sold comps at the same grade. Mixing raw and graded comps, or 7s and 9s, will give you a number that does not reflect reality.

What CardVault Does for You

CardVault automates this entire process. Every card in your vault gets sold-comp values pulled from the last 5 real sales of your exact card. Outliers are excluded automatically. The median is the value you see — not a guess, not an asking price, not an average inflated by a single auction. If fewer than 3 solds exist in 90 days, the window extends to 180 then 365 days. If no solds exist at all, CardVault tells you — it does not guess.

This sold-comps-only approach is the foundation of every value in the app. It is why the numbers you see are grounded in real transactions, not wishful thinking.

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Michael Creapeau, Founder