Market analysis
How much can three skin sales really tell you?
Test a small skin-sale sample with a worked example, matching rules and sensitivity checks that reveal what three recorded transactions can and cannot support.
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Explore market analysis through practical examples and original sources.
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Market analysis
Why a skin-market average can rise while every variant gets cheaper
A complete hypothetical dataset shows how changing variant shares can lift a skin-market average even as both prices fall, plus a fixed-mix comparison.
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Market analysis
What a moving seven-day skin-price average actually compares
See how expired sales, overlapping samples and cache timing change a rolling skin-price average, with a worked example that rises without any new trade.
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Market analysis
The hundredfold error: skin prices in cents, decimals and feeds
Normalize skin-price units across decimal REST fields and integer feeds, then check quantities, price types and rounding before comparing the resulting amounts.
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Market analysis
Did the skin price change, or did the exchange rate move?
Separate a skin-price change from currency translation with a complete two-date example, consistent rate directions and a bridge that explains the interaction.
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Market analysis
Why averaging daily skin prices can give the wrong monthly number
Work through unequal daily sale counts, multi-copy orders and pooled medians to see when a weighted skin-price average is valid and what it cannot recover.
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Market analysis
An inventory total with missing prices is only a priced subtotal
Audit an inventory valuation by separating visible items, matched references and unpriced copies, with examples showing why count coverage is not value coverage.
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Market analysis
Three useful inventory values, and the question each one answers
Compare replacement costs, historical references and current sale quotes for one inventory, with a worked table explaining why these totals answer different questions.
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Market analysis
Track the listings that did not sell before reporting a sale rate
Build a fixed listing cohort with sold, removed, active and unknown outcomes, and see why missing follow-up can distort apparent sale rates and sale times.
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Market analysis
Did your inventory gain value, or did you add different skins?
Reconcile two inventory totals with a fixed-basket example separating reference-price changes from added or removed copies, with the calculation order made explicit.
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Market analysis
When three skin-price sources are really one piece of evidence
Trace a skin price from display to underlying records, and see how duplicate feeds, derived estimates and shared references affect an apparent source consensus.
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Market analysis
Choose the skin-price summary before you see the result
Compare mean, median, trimmed and winsorized skin-price summaries using one complete dataset, with explicit tail rules and limits for small samples.
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Market analysis
Why one cheap listing cannot price a ten-item basket
Price a ten-copy replacement basket across eligible offer levels, with a worked example showing how restrictions, shallow supply and missing copies change the total.
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Market analysis
A missing skin price, a zero count and a failed request are different
Diagnose gaps in a skin-price board by separating valid empty stock, unmatched items, failed refreshes and cached data, with a chart-distortion example.
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