Current UCUI
68/100
Moderate-High Uncertainty
+4 points from prior reading
Potato Market Intelligence
Potato Storage Shrink Forecast
A potato storage shrink forecast estimates physical and usable inventory loss from moisture, respiration, sprouting, rot, grading, and handling. Translating cohort-level shrink into usable tonnes, replacement volume, and value helps processors and lenders spot deterioration before nominal inventory becomes misleading.
Market Data
How to read this market
A potato storage shrink forecast estimates the reduction in physical and usable inventory during storage from moisture loss, respiration, sprouting, rot, grading loss, handling damage, and other deterioration. The forecast should be built by cohort because variety, harvest condition, storage age, temperature, humidity, and disease pressure can produce materially different outcomes.
Use the data to convert expected shrink into usable tonnes, replacement volume, inventory value, and plant coverage. Comparing current shrink with historical storage curves and regional replacement prices helps identify when a lot is behaving normally and when a deterioration trend requires earlier release or additional sourcing.
Data Module
Storage shrink forecast context
Cohortvariety, harvest date, and intake condition
Physical lossmoisture, respiration, and handling
Quality lossrot, sprout, defects, and grading
Storage durationage and expected remaining life
Replacement valuecost of lost usable tonnes
Decision userelease, sourcing, valuation, and collateral
Analysis
Why this matters
Shrink matters because inventory volume can look stable while commercially usable supply is eroding. A small percentage increase in loss can materially change plant coverage or collateral value when stored stocks are large.
The signal should also be compared with price. A rising market can offset some loss in nominal value, but if shrink is accelerating faster than price appreciation, holding the inventory can still destroy economic value. Cohort-level analysis is therefore more useful than one seasonal average.
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 10, 2026Latest MassGain publication
Potato prices quiet at $30/cwt as regional harvest damage buzzes beneath the surface
Market indicators are stable, but reporting from Europe and select growing areas shows real, localized crop stress — a reminder that steady headline prices can mask uneven physical risk.
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 growers, storage operators, processors, distributors, lenders, and finance teams forecasting the loss of potato weight and usable volume during storage. A potato storage shrink forecast can include respiration, moisture loss, sprouting, rot, grading loss, handling damage, and other reductions between intake and final sale or processing. MassGain’s potato data suite helps users connect those physical losses with inventory value, regional prices, contract coverage, and replacement availability.
Shrink should be modeled by cohort rather than as one blanket percentage. Variety, maturity, intake condition, storage duration, ventilation, temperature, humidity, and disease pressure can produce materially different outcomes. A small change in shrink can have a large effect on cost per usable tonne, plant coverage, borrowing-base value, and the volume available to meet customer commitments. MassGain helps teams compare current observations with historical storage curves and assess whether a forecast deviation is isolated or part of a broader regional quality problem.
MassGain does not monitor facilities or prescribe storage controls. It provides the market and financial context needed to update usable-inventory estimates, quantify replacement needs, and decide whether to hold, release, redirect, or revalue a vulnerable storage cohort.
Use Case
A storage operator budgets 6% seasonal shrink, but weekly weights and quality inspections show one cohort trending toward 10%. MassGain converts the additional loss into usable tonnes and current replacement cost. The processor advances purchases for the exposed plant, while the lender applies a targeted collateral adjustment only to the affected inventory.
FAQs
What belongs in a potato storage shrink forecast?
Moisture loss, respiration, sprouting, rot, grading loss, handling damage, duration, and lot condition may all contribute.
Why should shrink be forecast by cohort?
Variety, harvest condition, storage age, environment, and disease pressure can cause different lots to lose value at different rates.
How does MassGain support shrink analysis?
It translates physical loss into usable volume, inventory value, replacement cost, contract exposure, and plant coverage.
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.