Current UCUI
68/100
Moderate-High Uncertainty
+4 points from prior reading
Potato Market Intelligence
Potato Storage Loss Curve
A potato storage loss curve tracks how physical and economic loss can accumulate with age through shrink, sprouting, disease, defects, and declining market suitability. Growers, processors, and lenders can compare expected usable tonnes and value at different release dates against storage cost and future price.
Market Data
How to read this market
A potato storage-loss curve shows how physical and economic loss accumulates with storage age through shrink, respiration, sprouting, disease, defects, grade decline, and loss of processing or customer suitability. The market object is a cohort-specific loss trajectory by variety, facility, storage method, and intended market.
Use the curve to convert gross stored tonnes into expected usable tonnes and value at future release dates, compare facilities and cohorts, and test sell-now versus hold decisions. Build separate curves where crop condition or market thresholds differ rather than applying one annual loss percentage.
Data Module
Potato Storage Loss Curve
Market objectcohort loss trajectory
Primary measuresphysical and value loss
Key dimensionsvariety, facility, age, end use
Commercial usehold-versus-sell analysis
Loss driversshrink, sprouts, disease, downgrade
Compare withfuture price and storage cost
Analysis
Why this matters
Storage loss is often nonlinear. A cohort can remain stable for months and then deteriorate faster after dormancy break, disease emergence, or a temperature event, making a constant monthly loss assumption misleading.
Commercial interpretation should compare expected future price gains with the full deterioration curve and carrying cost. A higher forward price is not attractive if usable volume or grade falls faster than the premium rises.
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 storage operators, growers, processors, wholesalers, lenders, and finance teams that need a potato storage loss curve. The curve shows how physical and economic loss accumulates during storage through shrink, respiration, sprouting, disease, defects, grade decline, and reduced processing or customer suitability. MassGain helps users build the curve by cohort, variety, facility, storage method, and intended market rather than applying one annual loss percentage to all inventory.
Loss is rarely linear. Potatoes may remain stable for months and then deteriorate quickly after dormancy break, a temperature event, or disease emergence. MassGain combines intake condition, weight records, temperature and humidity, fan operation, sprout and quality scores, storage age, disposition, and historical performance. It converts those observations into remaining usable tonnes and value under different release dates. Operators can compare buildings and strategies, processors can forecast contract coverage, lenders can set collateral haircuts, and finance can identify when holding cost exceeds expected seasonal price gain. MassGain does not guarantee future deterioration or replace physical inspection. It provides a transparent benchmark and scenario tool for deciding how long to hold inventory, which cohorts to move first, and when a nominally higher future price no longer compensates for expected loss.
Use Case
A grower expects a strong spring price and plans to retain most stored potatoes. MassGain’s loss curve shows an older cohort is approaching dormancy break and its expected shrink and grade decline will outweigh the forecast premium. The grower sells that cohort early while holding the stronger inventory for spring.
FAQs
What does a potato storage loss curve show?
It shows how physical and economic loss develops as stored potatoes age.
Why is storage loss often nonlinear?
Dormancy break, disease, temperature events, and quality thresholds can accelerate deterioration.
How does MassGain use the curve?
It compares future price with expected shrink, downgrade, storage cost, contracts, and remaining usable value.
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.