Current UCUI
68/100
Moderate-High Uncertainty
+4 points from prior reading
Potato Market Intelligence
Potato Tuber Size Distribution
Potato tuber size distribution shows how a crop or lot is divided among count, diameter, weight, or processing-length classes. MassGain links the profile with packout, demand, price spreads, storage, and alternate origins so buyers can identify size-specific scarcity hidden by total crop volume.
Market Data
How to read this market
Potato tuber size distribution describes the share of a crop or lot falling into defined count, diameter, weight, or processing-length categories. The object should preserve variety, origin, crop year, grade, measurement convention, and whether the distribution is field, packed, or processor intake.
Use the distribution with size-specific prices, packout, customer demand, processing requirements, storage, and alternate origins. This reveals specification-level scarcity that can be hidden by an abundant total crop and helps allocate each size class to the market that values it most.
Data Module
Potato Tuber Size Distribution
Origincrop region or supplier
Varietypotato genetics
Measurecount, diameter, weight, or length
Distributionshare by size class
Contextpackout, demand, price spreads
Decision usesize allocation and sourcing
Analysis
Why this matters
A crop can be large in tonnes yet short of large bakers, petites, or long fry tubers. Size prices therefore respond to the shape of the distribution as much as total production. Buyer flexibility is the key commercial variable: scarcity matters most where specifications cannot shift.
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 potato distributors, wholesalers, packers, foodservice buyers, and inventory planners that need to understand tuber size distribution. A size distribution shows how a crop or lot is divided among count sizes, diameters, weights, or processing-length categories rather than reducing the product to one average. MassGain helps users connect that distribution with regional crop conditions, package demand, prices, packout, and destination requirements.
Size matters because different buyers compete for different portions of the crop. Large russets may serve baking markets, petites may feed retail bags, uniform rounds may suit canning, and long tubers may be essential for fries. A crop can be abundant in total weight while one commercial size becomes scarce. MassGain compares current distributions with historical regional patterns and links them with size premiums, available origins, grade, storage, freight, and customer demand. Wholesalers can allocate scarce sizes to the accounts that require them, packers can plan package mix, and procurement teams can evaluate whether substitution or another origin is practical. The result is a more precise availability and pricing view that prevents a shortage in one size from being generalized across every potato SKU and helps users maximize saleable value from the distribution actually harvested.
Use Case
A wholesaler sees 70-count russets tighten while smaller sizes remain plentiful. MassGain shows the distribution shift is regional and another approved origin has a more favorable large-size profile. The buyer preserves local 70-count supply for strict accounts and moves flexible branch volume to the alternate origin.
FAQs
What is potato tuber size distribution?
It is the share of a crop or lot falling into defined count, diameter, weight, or length categories.
Why can total crop volume hide a size shortage?
Buyers need specific sizes, and weather, variety, grade, and crop development can shift the distribution.
How does MassGain use size distributions?
It connects the profile with regional prices, package mix, customer needs, packout, storage, freight, and alternate origins.
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.