Current UCUI
68/100
Moderate-High Uncertainty
+4 points from prior reading
Potato Market Intelligence
Potato Price Index Calculation
Potato price index calculation converts qualified physical price observations into a repeatable benchmark under explicit eligibility, normalization, weighting, aggregation, and revision rules. MassGain preserves constituent lineage and market basis so correct mathematics is applied to a representative basket.
Market Data
How to read this market
Potato price index calculation converts a defined set of price observations into a repeatable benchmark using explicit eligibility, normalization, weighting, aggregation, timing, missing-data, and revision rules. The data object should preserve every constituent's product, region, quality, market stage, unit, delivery basis, source, and timestamp.
Use the calculation to produce an auditable index only after testing whether constituents represent the same intended physical market. Compare alternative methods and inspect concentration, outliers, and missing data so a mathematically correct formula does not conceal a commercially mismatched basket.
Data Module
Potato Price Index Calculation
ObjectRepeatable calculation from qualified price evidence
RulesEligibility, normalization, weighting, aggregation
DimensionsProduct, region, quality, basis, timing
ControlsOutliers, concentration, missing data, revisions
Commercial useContracts, benchmarking, inflation tracking
WatchpointCorrect math cannot fix an unrepresentative basket
Analysis
Why this matters
Index calculation matters because formula choice and market definition interact. Two valid statistical methods can produce different commercial signals when transaction volume, product mix, or regional coverage is uneven.
The strongest benchmark is not necessarily the most sophisticated formula; it is the one whose inputs and weights match the exposure being measured and whose lineage can be reproduced.
Signal 01
Usable Crop Uncertainty Index
UCUI translates crop and market complexity into a simple uncertainty signal. Higher readings indicate greater uncertainty—not necessarily higher prices.
Understand uncertainty. Anticipate risk. Act earlier.
UCUI is designed to analyze potato-industry publications and data signals across regions, varieties, weather, disease, storage, supply, and demand.
WeatherHigh
DiseaseHigh
StorageMedium
SupplyMedium
Single-day snapshot based on a scan of 11,500+ web and social signals. Get historical and real-time data by clicking the button below.
The MassGain Daily
Today’s market analysis.
A daily editorial synthesis of physical potato data, crop signals, market reporting, and what participants should watch next.
September 16, 2026Latest MassGain publication
Potato market steady for now; Russia’s smaller crop is the salient risk
Spot prices are flat and USDA terminal reports read ‘market steady,’ but a renewed forecast for a smaller Russian harvest and recent regional harvest stress leave seasonal import timing and storage losses as the key uncertainty.
Signal 02
MassGain Potato Index
Independent physical-pricing intelligence and market-trend analysis for procurement, forecasting, contracting, and scenario planning.
Core Russet Carton Median
312.45 USD/MT
Latest qualifying physical-market observation
+4.75 (+1.55%)
Price discovery for the physical potato market
MPI is designed to track physical pricing data, price trends, deltas, and divergences across regions and potato types.
Series window45 days
Current public coverageCore russet cartons
Primary source basisQualifying USDA physical rows
UnitUSD per metric tonne
Single-day snapshot based on most recent 45 days worth of data. Limited to US Russets only. Get more complete, global data about all varieties by clicking the button below.
Signal 03
MassGain Spot Reference
An independent spot reference designed for price discovery, contract discussions, procurement comparisons, and risk modeling.
Russet Burbank — U.S. Midsize
305 USD/MT
Demonstration reference format
+1.6% WoW · Confidence: High
A trusted benchmark for pricing, contracts, and risk
MSR is intended to use real transactions and verifiable physical-market data to support negotiations, price checks, contracting, and risk models.
ProductRusset Burbank
SpecificationU.S. midsize, 40–70 count
Reference typePhysical spot benchmark
StatusIn development
Based on most recent 45 days worth of data. Limited to US Russets only. Get more complete, global data about all varities by clicking the button below. Full access also includes historical data -- including depreciated NYMEX/CBOE/EEX spot references -- projections, trends, and AI-driven insights.
The MassGain Product Ladder
From insight to intelligence to action
Four integrated products built for the physical potato market, delivered through public pages, reports, exports, dashboards, and API access.
1
Content
Original research, commentary, aggregated news, and market updates.
- What matters right now?
- What is happening out there?
2
UCUI™
Usable Crop Uncertainty Index: an AI-powered signal of crop risk and market uncertainty.
- Understand uncertainty
- Anticipate risk
- Act earlier
3
MPI™
MassGain Potato Index: independent physical-pricing intelligence and trend analysis.
- Price discovery
- Regional trends
- Procurement planning
4
MSR™
MassGain Spot Reference: an independent benchmark for price discovery and risk modeling.
- Contracts
- Negotiations
- Risk models
Content + UCUI + MPI + MSR + API access
Get historical series, regional detail, constituent data, exports, alerts, and direct data access.
Overview
Who is this for?
This page is for benchmark developers, procurement teams, processors, auditors, and finance analysts that need a transparent potato price index calculation. An index calculation converts a defined set of potato price observations into a repeatable market measure using documented eligibility, normalization, weighting, aggregation, timing, and revision rules. MassGain helps users retain the product, region, quality, contract channel, unit, delivery basis, and source attached to each constituent.
A technically correct formula can still produce a misleading result if the inputs represent different markets or if one constituent dominates the basket. MassGain supports unit and currency normalization, outlier review, volume or fixed weighting, missing-data treatment, concentration checks, and version-controlled calculations. Users can compare alternative methods such as arithmetic averages, medians, weighted averages, or assessed components and examine how each would have behaved historically. Procurement can reproduce supplier escalators, finance can validate settlements, and governance teams can trace every published value back to its evidence. MassGain does not prescribe one universal potato index formula. It provides the data lineage, physical-market context, and calculation controls needed to produce a representative, auditable result suited to the intended commercial use.
Use Case
A processor's contract references a monthly regional potato index. MassGain reconstructs the calculation from eligible transactions, normalizes units and delivery bases, applies the published weights, and identifies that one premium-quality trade was incorrectly included. The corrected calculation prevents an unsupported invoice adjustment.
FAQs
What inputs belong in a potato price index calculation?
Defined constituents, prices, units, regions, timing, weights, eligibility rules, and data-quality controls are required.
Why can two valid index methods produce different results?
Weighting, aggregation, market scope, missing-data treatment, and outlier rules can differ.
How does MassGain make the calculation auditable?
It preserves source observations, transformations, weights, exclusions, formulas, versions, and review history.
Put this market intelligence to work
Get historical data, regional detail, benchmarks, alerts, exports, and API access tailored to your procurement
and market-analysis needs.
Data and Methodology
Professional market-data standards
MassGain is building transparent public market infrastructure. Each live metric will identify its date, unit, coverage, methodology, and source basis.
Data provenance
MassGain uses public, licensed, contributed, and independently derived physical-market information. Source availability and publication schedules vary.
Timing and revisions
Figures may reflect the latest available observation rather than a same-day transaction. Source data and MassGain calculations may be corrected, restated, or revised.
Not transactional pricing
MassGain figures are informational reference values and do not constitute executable bids, offers, settlements, or guarantees that a transaction can occur at the displayed value.
No individualized advice
Content and data are provided for informational and analytical purposes and do not constitute financial, investment, legal, trading, or individualized procurement advice.
Independent publication
Certain observations may be derived from USDA reports. MassGain is independent and is not affiliated with or endorsed by the USDA.
Commercial use and licensing
Public display does not grant rights to reproduce, redistribute, republish, or incorporate MassGain indices or references into commercial products or contracts without authorization.