Current UCUI
68/100
Moderate-High Uncertainty
+4 points from prior reading
Potato Market Intelligence
Potato Stocks Survey Methodology
Potato stocks survey methodology explains what an inventory estimate covers and how it was produced. MassGain preserves survey population, definitions, timing, sampling, weighting, nonresponse, revisions, and method changes so analysts can separate genuine stock movement from statistical breaks.
Market Data
How to read this market
Potato stocks-survey-methodology data documents the population, respondent types, reference date, geography, storage categories, sampling design, weighting, nonresponse treatment, revisions, confidentiality, and publication lag behind an inventory series. The market object is the method governing what the stock estimate actually measures.
Use the data to compare surveys across countries or years, identify breaks, and understand why two official inventory series may disagree.
Data Module
Potato Stocks Survey Methodology
Market objectinventory-survey design
Primary fieldspopulation, sample, definitions, timing
Key dimensionsgeography, holder type, use, revision
Commercial useseries comparability and interpretation
Controlsweighting, nonresponse, confidentiality
Compare withhistorical methods and physical withdrawals
Analysis
Why this matters
Apparent structural changes in stocks can come from methodology rather than potatoes—for example, a new survey population or changed imputation rule.
Commercial interpretation should preserve method history and bridge series only where the underlying populations and definitions support comparison.
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 analysts and market researchers evaluating potato stocks survey methodology before relying on reported inventory. MassGain documents the survey universe, respondent types, reference date, geographic coverage, storage categories, questionnaire definitions, sampling design, weighting, nonresponse treatment, revisions, confidentiality rules, and publication lag.
It shows whether the estimate covers growers, processors, dealers, commercial stores, seed holdings, or only selected segments and preserves how potatoes are classified by intended use. Researchers can compare methods across countries and years, identify breaks in series, and understand why two official stock reports may not be directly comparable. The suite connects methodology with observed withdrawals, shipments, processor use, quality losses, and final disappearance so users can test whether the survey behaves plausibly over time.
It also flags where changing response rates or facility consolidation may alter representativeness. MassGain does not rewrite official methodology or infer missing confidential data. It provides a governed research layer that makes every stock series traceable to its population and rules, helping analysts distinguish methodological change from genuine market movement.
Use Case
An analyst compares current storage stocks with a ten-year history and sees a sudden structural decline. MassGain identifies that the survey recently excluded several small on-farm stores and changed its imputation procedure. The analyst creates a bridged series and avoids attributing the full break to tighter potato supply.
FAQs
What should a stocks methodology record?
It should record population, coverage, definitions, sampling, weighting, nonresponse, revisions, and reference timing.
Why can two stock surveys disagree?
They may cover different holders, uses, storage types, dates, units, or treatment of missing responses.
How does MassGain preserve comparability?
It maps method changes and maintains both original and bridged series with documented limitations.
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.