Current UCUI
68/100
Moderate-High Uncertainty
+4 points from prior reading
Potato Market Intelligence
Potato Soft Rot Losses
Potato soft rot losses measure the usable inventory and value lost when deterioration affects potatoes in storage, transit, or receiving. MassGain converts lot-level incidence into sound stock, handling costs, contract exposure, and replacement needs so gross inventory does not overstate commercial coverage.
Market Data
How to read this market
Potato soft rot losses measure the usable-volume and value lost when bacterial soft rot affects potatoes in the field, storage, transit, or receiving. The object should preserve lot or cohort, variety, origin, storage age, observed incidence, handling history, and the stage at which deterioration is detected.
Use soft-rot data with inspection, regional quality, segregation, shrink, sanitation or downtime, contracts, and replacement availability. This converts stable gross inventory into a more realistic usable-stock position and helps determine whether the problem is confined to one cohort or signals broader storage risk.
Data Module
Potato Soft Rot Loss Monitor
Cohortlot, storage bin, or shipment
Origincrop region and supplier
Incidenceobserved rot and affected volume
Stagestorage, transit, or receiving
Contextusable stocks and replacement supply
Decision useloss containment and coverage
Analysis
Why this matters
Soft rot can cause usable supply to fall much faster than reported tonnes because deterioration can spread within vulnerable inventory. A localized cohort problem should not be generalized to the entire region, but ignoring it can overstate late-season coverage. The commercial signal is the sound volume remaining after segregation and loss.
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 growers, processors, storage operators, distributors, procurement teams, and agricultural lenders that need to quantify potato soft rot losses. Soft rot can develop in the field, storage, transit, or receiving and can spread quickly through vulnerable inventory, reducing marketable volume, shelf life, processing recovery, and collateral value. MassGain helps users connect incidence with crop conditions, lot history, storage environment, handling, temperature, region, and current replacement markets.
Gross tonnes alone can materially overstate usable supply when soft rot is present. The economic loss includes rejected product, additional sorting, cleaning and downtime, accelerated shrink, disposal, customer claims, and the cost of replacement supply. MassGain compares affected lots with regional quality conditions, historical loss patterns, contract commitments, prices, and alternative disposition. Storage and operations teams can prioritize segregation and release, procurement can calculate the net coverage gap, and finance or lenders can revise inventory value before the deterioration appears in standard reporting. MassGain does not diagnose disease, prescribe treatment, or determine legal responsibility. It provides the physical-market and financial framework needed to distinguish localized lot loss from a regional quality event and to measure the value of acting early versus allowing deterioration to spread.
Use Case
A processor reports stable stored tonnage, but inspections show soft rot rising in one cohort. MassGain estimates the usable-volume loss, replacement cost, and affected customer commitments. The company isolates the cohort, advances sound inventory, and buys a targeted replacement tranche instead of treating all storage as impaired.
FAQs
What costs can potato soft rot create?
It can create rejection, sorting, downtime, sanitation, disposal, shrink, claims, lost recovery, and replacement-purchase costs.
Why should soft rot be monitored by lot?
Incidence can differ sharply by origin, age, storage history, handling, and condition and may spread within vulnerable cohorts.
How does MassGain quantify soft rot loss?
It connects inspection and inventory data with usable volume, contracts, prices, replacement supply, and alternate disposition.
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.