Every number in Trovfolio is an estimate built from real market evidence — and we show our work. Here’s how we get there, and why the same item can carry several different values at once.
A thing you own doesn’t have a single “price.” What it’s worth depends on the question you’re asking — replacing it, settling an estate, or selling it. So we record each kind of value separately and never blend them. Each of the four lenses simply reads the value type that fits its job.
Your photos and details are read to pin down brand, model, reference number, materials, and condition — the difference between a $400 watch and a $40,000 one.
Every category prices differently. Liquid, widely-traded items go to live marketplace data; precious metals, gemstones, art, and one-of-a-kind pieces skip thin comps and route to deeper research.
We search current listings and recent sales for that exact reference — widening the search step by step only when exact matches are scarce — and weigh any comps you've added yourself.
How many recent, genuinely comparable SOLD results are there, and how tightly do they agree? Outliers are trimmed; a thin or scattered set is never passed off as a confident number.
An AI analyst researches the wider web for realised sales and auction results, weighing condition, completeness (box & papers), edition, and your answers to its clarifying questions.
A figure implausibly below what you paid — or below your item's own history — is rejected and re-researched. A bad match never silently becomes your valuation.
Separate replacement, fair-market, and resale rows are written — each tagged with its source, a confidence level, the comps behind it, and a note on why it moved since last time.
Each on-demand revaluation runs that whole pipeline against the live market — often a minute or more of machine research and serious AI compute for a single item. That work costs real money every time it runs, so your plan includes it two ways:
And plenty is always included: the first valuation when you add an item, refining with answers to our questions, adding your own comps, and any refresh we can serve from already-fresh research.
What it would cost to buy one today — taken from the current asking and buy-it-now prices of well-matched listings. It sits at the top of the range on purpose: it answers “what would I pay to replace this right now.”
What it actually changes hands for between a willing buyer and seller, neither under pressure. This runs below the asking prices you see listed: real sales close under sticker, and dealer listings carry a markup that a private sale doesn’t.
What you’d realistically net selling it yourself in a reasonable timeframe — a quick-but-not-fire-sale price, after the usual gap between asking and closing.
Replacement value minus depreciation for age and wear — what some insurance policies actually pay out rather than full replacement. Trovfolio does not sell insurance or determine claim amounts.
The comps we show are mostly asking prices — what sellers hope to get. Real sales close below that: buyers negotiate, and many listings come from dealers whose price includes their margin. So Replacement tracks those asking prices (it’s what you’d pay to buy one today), while Fair market value and Resale step down to what items actually change hands for. A fair-market number sitting a little under the listings you see isn’t an error — it’s the point.
On each item we tag the fair-market and resale numbers so you can see how they were reached: Sold-anchored means we found actual completed-sale prices; List-estimated means we stepped current listings down by the typical gap for that category. The note under each number shows the exact adjustment.
Live listings and recent sales for the same thing, gathered from across the web and weighed by how well they match yours.
Specialist marketplaces for a category — e.g. watch market data, graded-card or sneaker resale — which price an item more precisely than a general search.
Your own proof of purchase. The strongest anchor for what you paid, and a high-confidence input.
Realised results from past auctions and resale — what comparable pieces actually sold for, not just what they were listed at.
A professional appraisal you’ve provided. We hold it as-is for two years — revaluations can’t displace it — then let fresh market evidence take over, since appraisals age too.
A reasoned estimate when hard comps are thin. Always flagged as lower confidence so you know to treat it as a starting point.
Every value is tagged with its source and a confidence level (low, medium, high), and you can open the exact comps behind it on any item. You can also add your own comps to sharpen a number.
These are estimates, not certified appraisals. They get sharper as we add cleaner data — including realised sold-price feeds for categories like watches — and as you confirm details and add receipts or comps. For insurance, estate, or tax decisions, treat Trovfolio as a well-evidenced starting point, not the final word.
Trovfolio does not sell insurance or determine claim amounts.
Trovfolio — values are estimates, not certified appraisals.