Disclaimer & disclosures

Not investment advice

Everything on Collectibles Index — index levels, charts, constituent lists, price histories, analytics, and commentary — is provided for informational and educational purposes only. Nothing on this site is investment advice, financial advice, trading advice, or a recommendation to buy, sell, or hold any collectible, card, or other asset. We are not investment advisers and nothing here should be treated as a substitute for advice from a qualified professional.

Collectibles are volatile, illiquid, and unregulated assets. Prices can fall sharply, individual items can become unsellable at any quoted price, and past performance of any index or card is not indicative of future results. Index levels are statistics computed from third-party market data under our published methodology; they are not offers, quotes, or appraisals of any specific item you own. You are solely responsible for any decision you make.

Affiliate link disclosure (FTC)

Some outbound links on this site — in particular the "shop" links on index and basket pages — are affiliate links, currently through the eBay Partner Network. If you click one and make a qualifying purchase, we may earn a commission at no additional cost to you. This is how the site is funded. Affiliate status never influences which cards appear in an index: constituent selection is mechanical under the published methodology and is computed before any link is generated.

Data sources & attribution

Card price and sales-volume data is sourced from PriceCharting under a commercial data subscription. Index levels, baskets, and all derived statistics are computed by us and are our responsibility, not PriceCharting's. Data is snapshotted daily; days where a price did not update are flagged, never interpolated. Known permanent data gaps are disclosed on the announcements page and in the methodology's operations log.

Accuracy

We work hard to publish correct numbers — the methodology is public, levels are reproducible, and every restatement is disclosed — but the data is provided "as is" without warranty of any kind. If you find an error, please tell us:altassetindex@gmail.com.