Current UCUI
68/100
Moderate-High Uncertainty
+4 points from prior reading
Potato Market Intelligence
Potato Supplier Defect Rate
Potato supplier defect rate measures the share of inspected potatoes or finished product failing defined criteria under a consistent method. Compare defect types and economic consequences with matched regional peers so broad crop pressure is not mistaken for supplier-specific underperformance.
Market Data
How to read this market
Potato-supplier-defect-rate data measures the share of inspected potatoes or finished product failing defined defect criteria under a consistent sampling method. The market object is a defect profile by supplier, origin, variety, crop, storage cohort, product, and plant.
Use the data to compare suppliers fairly, separate defect types by economic consequence, and calculate quality-adjusted cost through trim, rejection, rework, yield, and claims. Pair supplier results with regional crop and storage conditions so broad market pressure is not mistaken for individual underperformance.
Data Module
Potato Supplier Defect Rate
Market objectsupplier defect profile
Primary measuredefect incidence by type
Key dimensionssupplier, origin, crop, product
Commercial usequality-adjusted benchmarking
Controlconsistent sampling and specification
Compare withregional peers, yield, claims, price
Analysis
Why this matters
A defect rate is only comparable when the inspection method and specification are aligned. Different sampling points or product tolerances can make one supplier appear better or worse without any real quality difference.
Commercial interpretation should also distinguish crop-wide defects from supplier outliers. The actionable signal is excess economic loss relative to matched peers, not the raw percentage alone.
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 procurement teams, processors, packers, distributors, and supplier-quality managers that need a potato supplier defect rate benchmark. The rate measures the share of delivered potatoes or finished potato products that contain defined defects, but useful comparison requires consistent inspection methods, specifications, sample sizes, and market context. MassGain helps users compare suppliers without treating every defect or crop period as equivalent.
Defects may include rot, bruising, greening, sprouting, hollow heart, black spot, misshapen tubers, foreign material, off-size product, dark fry color, breakage, or other failures relevant to the buyer. MassGain segments defect rates by supplier, origin, variety, crop, storage cohort, product, plant, and defect type and connects them with regional weather, storage conditions, benchmark prices, freight, and replacement supply. Procurement can calculate quality-adjusted cost, identify persistent outliers, and establish evidence-based bonus or deduction schedules. Operations can determine whether defects begin in the field, storage, transit, or processing. Finance can quantify yield loss, rework, claims, and downgraded output. MassGain does not conduct inspections or define contractual tolerances. It provides a transparent benchmark that shows whether a supplier’s defect rate is normal for the market, unusually high, or offset by other measurable value.
Use Case
A chip processor sees a lower-cost supplier deliver more black spot and color defects. MassGain compares the rate with suppliers in the same region, storage age, freight, and finished yield. The hidden loss exceeds the raw-price discount, so procurement reduces allocation and negotiates a defect-based adjustment tied to a consistent sampling method.
FAQs
What is a potato supplier defect rate?
It is the percentage of inspected units or volume failing defined defect criteria.
Why separate defects by type?
Different defects have different causes, processing effects, remedies, and commercial values.
How does MassGain benchmark suppliers fairly?
It aligns specifications and sampling and adds region, crop, storage, freight, yield, and price context.
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.