Current UCUI
68/100
Moderate-High Uncertainty
+4 points from prior reading
Potato Market Intelligence
Potato Black Spot Bruise Incidence
Potato black spot bruise incidence measures internal discoloration associated with impact or pressure damage across lots and handling systems. MassGain links inspection results with crop stress, storage, transit, trim, recovery, and regional prices to distinguish broad crop susceptibility from supplier or lane-specific damage.
Market Data
How to read this market
Potato black spot bruise incidence measures internal discoloration associated with impact or pressure damage across lots, suppliers, origins, storage periods, and handling systems. The object should preserve variety, crop condition, storage age, inspection method, handling history, and the product whose yield or appearance is affected.
Use incidence with regional crop stress, transit and handling, trim loss, processing recovery, supplier history, and replacement prices. Repeated data can help distinguish field or storage susceptibility from damage introduced during loading, transport, or receiving.
Data Module
Potato Black Spot Bruise Monitor
Lotsupplier and crop origin
Varietypotato genetics
Incidencesampled internal bruise rate
Handlingharvest, storage, transit, receiving
Contexttrim, recovery, replacement price
Decision usequality and handling control
Analysis
Why this matters
Bruise rates and market price can diverge because damage reduces usable yield even when total supply looks normal. The cause also matters: regional susceptibility calls for broader sourcing adjustments, while one lane or handling point suggests operational correction. Commercial analysis should separate incidence, source, and finished-product 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 processors, growers, procurement teams, storage managers, and quality analysts that need to understand potato black spot bruise incidence. Black spot bruise is internal discoloration associated with impact and handling and can reduce usable yield, finished appearance, processing performance, and customer acceptance. MassGain helps users compare incidence across origins, varieties, crop conditions, storage periods, handling systems, and suppliers.
A bruise rate becomes commercially meaningful when it is linked to the product and plant. The same incidence may create major trimming and rejection in peeled or sliced products while having less effect in another process. MassGain connects inspection data with regional crop stress, tuber condition, storage age, transit and handling, supplier history, grade discounts, and plant recovery. Procurement can determine whether a quoted allowance reflects actual loss, operations can adjust allocation and handling, and finance can separate quality-driven yield variance from market-price movement. Repeated data can also reveal whether damage originates primarily in field conditions, storage, loading, transit, or receiving. MassGain does not perform diagnosis or official inspection. It provides the market and operational context needed to value the defect, identify recurring exposure, and decide whether to accept, discount, redirect, or replace affected lots.
Use Case
A peeled-potato plant sees black spot bruise rise after switching origins. MassGain compares receiving inspections, storage age, transit distance, handling, trim loss, and regional prices. The buyer reduces the origin's share, changes handling controls, and accepts remaining lots only with a quality allowance tied to measured recovery.
FAQs
What is potato black spot bruise?
It is internal dark discoloration that develops after impact or pressure damage and may not be visible before cutting.
Where can black spot bruise develop?
Risk can arise during harvest, handling, storage, loading, transport, unloading, or plant receiving.
How does MassGain quantify bruise impact?
It links inspection incidence with origin, handling, storage, trim, recovery, prices, supplier history, and product requirements.
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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.