Current UCUI
68/100
Moderate-High Uncertainty
+4 points from prior reading
Potato Market Intelligence
Potato Virus Y Testing
Potato virus Y testing evaluates seed or plant material for PVY under the applicable sampling, diagnostic, and tolerance rules. Growers and processors can compare findings with clean seed inventory, variety concentration, booking pace, and alternate origins to understand potential acreage and supply pressure.
Market Data
How to read this market
Potato virus Y testing evaluates seed or plant material for PVY under defined sampling, diagnostic, certification, and tolerance rules. The object should identify lot, variety, generation, region, test method, result, program threshold, and certification consequence.
Use PVY results with clean seed inventories, acreage plans, booking pace, prices, and alternate origins. A rise in PVY can tighten eligible seed in one processing variety even when total seed supply appears sufficient.
Data Module
Potato Virus Y Testing
ObjectPVY diagnostic status of seed lots
FieldsLot, variety, generation, region, method, result
Commercial useSeed and acreage risk management
ComparisonClean inventory, booking, alternate supply
RiskDowngrade and future multiplication constraint
WatchpointTolerances vary by program and class
Analysis
Why this matters
PVY matters commercially because its effect is concentrated through seed lineage and variety. A small loss of clean early-generation material can matter more than a larger loss of readily replaceable later seed.
The analytical focus should be the clean, eligible replacement pool and the number of commercial acres it supports. That is what converts testing outcomes into real supply and price risk.
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 seed growers, processors, commercial producers, certification teams, and procurement analysts that need to understand Potato virus Y testing. PVY is an economically important seed-borne virus that can reduce yield, affect tuber quality, cause variety-dependent symptoms, and influence certification eligibility. Testing methods and tolerance limits vary by program, so results must be interpreted within the applicable class, generation, sampling plan, and jurisdiction. MassGain helps users connect PVY findings with the seed and raw-material markets they may affect.
A rise in PVY incidence can tighten clean seed supply even when total seed tonnage appears adequate. The impact may be concentrated in one variety, generation, or producing region, leaving processors and growers with limited substitutes. MassGain combines official testing outcomes with certified acreage, lot availability, booking pace, varietal demand, regional prices, and alternate origins. Growers can protect planting plans, processors can assess contracted-production risk, and lenders can identify where a seed-health event may reduce marketable yield or revenue. The platform also helps users distinguish a single failed lot from a regional pattern that could persist across multiplication cycles. MassGain does not perform PVY diagnostics or determine certification. It provides the commercial intelligence needed to evaluate supply pressure, replacement options, and downstream production exposure.
Use Case
PVY testing removes several lots of a high-demand fry variety from the certified market. MassGain shows the shortage is concentrated in one generation and region, while a second origin has clean but more expensive supply. The processor secures seed for core acreage, shifts flexible acres to an approved variety, and updates yield and contract-coverage scenarios.
FAQs
What is Potato virus Y testing?
It is diagnostic testing for PVY under an approved certification, seed-health, or crop-management program.
Why can PVY tighten seed availability?
Infected lots may be downgraded or excluded, especially when clean supply is concentrated by variety or generation.
Does MassGain replace laboratory testing?
No. It connects official results with seed supply, pricing, acreage, variety, and market-risk context.
Put this market intelligence to work
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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.