Current UCUI
68/100
Moderate-High Uncertainty
+4 points from prior reading
Potato Market Intelligence
Potato Benchmark Representativeness Test
A potato benchmark representativeness test evaluates whether a price reference actually reflects the physical exposure it is used to price. MassGain compares constituents, basis, geography, products, participants, and behavior in normal and stressed periods so contract users can identify when an overlay or alternate benchmark is needed.
Market Data
How to read this market
A potato benchmark-representativeness test evaluates whether a price reference reflects the physical market it claims to measure. The market object is the benchmark-to-exposure fit across geography, variety, grade, market stage, participant mix, transaction volume, timing, quality, and delivery basis.
Use the data to compare benchmark constituents with actual purchases, shipments, processor intake, regional production, and market participants. Test basis, coverage, contributor concentration, and behavior in both normal and stressed periods rather than relying on historical correlation alone.
Data Module
Potato Benchmark Representativeness Test
Market objectbenchmark-to-market fit
Primary measuresbasis, coverage, constituent alignment
Key dimensionsproduct, geography, participant, timing
Commercial usecontract and valuation validation
Stress testnormal versus constrained markets
Compare withactual purchases and physical flows
Analysis
Why this matters
A benchmark can track invoices closely in normal years yet fail when a regional quality shortage or late-storage premium appears. Statistical fit alone may therefore conceal structural mismatches in product or geography.
Commercial interpretation should emphasize whether the reference behaves correctly when the exposure is under stress. If it repeatedly misses the relevant market precisely when risk matters most, an overlay or alternate benchmark is more defensible.
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 procurement and market-intelligence teams that need to test whether a potato benchmark represents the physical market it is supposed to measure. Representativeness depends on product, geography, market stage, participant mix, transaction type, volume, timing, quality, and delivery basis—not simply whether the benchmark has a recognizable name.
MassGain compares benchmark constituents and observations with the user’s actual purchases, broader shipment and intake data, regional production, known participants, and market activity. Procurement can determine whether the reference tracks its suppliers and plants. Analysts can measure basis, coverage, contributor concentration, price dispersion, and performance across normal and stressed periods. Finance can evaluate whether valuation and contract exposure move consistently with the benchmark.
A benchmark can be statistically correlated yet commercially unrepresentative if it misses the relevant specification or fails during shortage periods. MassGain documents the intended market, tests multiple dimensions, and records failures and methodology changes. It does not certify a benchmark or imply perfect representation. It provides an auditable test that shows where the benchmark fits, where adjustments are required, and whether another reference or blended structure would better reflect the real potato exposure.
Use Case
A national potato index tracks a processor’s invoices in ordinary years but diverges sharply during storage shortages. MassGain shows the index overweights fresh-market regions and lacks late-storage high-solids trades. Procurement adopts a regional processing overlay for the affected months.
FAQs
What makes a potato benchmark representative?
Its products, participants, geography, timing, transactions, and commercial basis should reflect the intended market.
Is correlation alone sufficient?
No. A benchmark can correlate historically yet fail for the relevant product or during stressed periods.
How does MassGain test representativeness?
It compares coverage, basis, constituents, market shares, dispersion, regimes, and actual user exposure.
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.