Research
TrueCostData publishes selected market observations, index methodology and research notes on the formation, dispersion and historical evolution of prices across European physical asset markets.
Market Notes
Short research notes examining market movements, pricing asymmetries and structural signals observed across European markets.
When Market Prices Diverge
A practical look at how fragmented distribution channels can create temporary gaps between listed prices and broader market references.
Reading Price Signals Across Europe
Why cross-border observation can reveal market movements that remain invisible when pricing is viewed through a single regional source.
Methodology
TrueCostData combines multi-source market observations with statistical estimation techniques designed to separate persistent market signals from short-lived pricing noise.
Multi-source Observation
Market observations are collected across multiple independent sources rather than relying on a single seller, platform or distribution channel.
Historical Preservation
Time-stamped observations preserve the state of the market and support reconstruction of references for historical dates.
Signal & Noise Filtering
Statistical filtering is used to distinguish persistent market movements from temporary anomalies, isolated seller behavior and noisy observations.
Traceability
Reference outputs retain the underlying information required to document how the market value was established at the relevant point in time.
Price Indices
Selected TrueCostData indices provide a structured view of market evolution across defined asset categories and European regions.
TrueCost iPhone Index™ France
A daily historical price reference tracking selected iPhone categories across the French market using multi-source observations.
Index Governance
Index coverage, methodology and category definitions are maintained as controlled reference specifications. Detailed constituent-level information remains subject to access and governance requirements.