Current UCUI
68/100
Moderate-High Uncertainty
+4 points from prior reading
Potato Market Intelligence
Potato Benchmark Corrections Policy
A potato benchmark corrections policy governs how source, mapping, duplicate, unit, timestamp, or calculation errors are fixed without silently rewriting history. Users can reconcile original and corrected values while keeping methodology changes separate from factual corrections.
Market Data
How to read this market
A potato benchmark corrections policy defines how errors in source data, units, product mapping, duplicates, calculations, timestamps, constituents, or publication systems are identified, assessed, approved, communicated, and preserved. The market object includes the original value, corrected value, reason, materiality, review, publication time, and affected vintages.
Use the policy to correct genuine errors without silently overwriting the historical series used in contracts and forecasts. Keep clerical corrections separate from methodology changes and retain both original and revised records for reconciliation.
Data Module
Potato Benchmark Corrections Policy
ObjectControlled correction of benchmark errors
ErrorsSource, unit, mapping, duplicate, calculation, timestamp
WorkflowMateriality, review, approval, publication, notice
Commercial useSettlement and historical reconciliation
Data controlPreserve original and corrected vintages
WatchpointCorrection fixes rules; methodology change alters rules
Analysis
Why this matters
Corrections matter because accuracy and historical integrity must coexist. Simply replacing a bad value can make today's series cleaner while breaking the audit trail for contracts that used the original publication.
Materiality also matters. Not every minor input error justifies restatement, so the policy should distinguish errors that alter commercial meaning from those best handled through disclosure.
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 benchmark administrators, procurement users, auditors, data teams, and contract managers that need a potato benchmark corrections policy. The policy defines how suspected errors are identified, assessed, approved, published, communicated, and preserved in the historical record. Errors may involve source data, units, product mapping, duplicate transactions, calculations, timestamps, constituents, or publication systems.
A correction should improve accuracy without silently rewriting the benchmark history used in contracts and decisions. MassGain supports materiality assessment, impact calculation, reviewer approval, versioning, corrected and original values, publication notes, affected-user notification, and links to the underlying evidence. It distinguishes clerical corrections from methodology changes and defines when a value should be corrected, restated, or left unchanged with an explanatory notice. Users can reproduce which vintage applied to a settlement or forecast.
Benchmark teams gain a controlled process, procurement can reconcile invoices, finance can assess affected periods, and auditors can verify that policy was followed. MassGain does not determine contractual remedies or legal liability. It provides the data lineage and governance workflow needed to correct genuine errors promptly while maintaining transparency, historical integrity, and confidence in the benchmark.
Use Case
A weekly benchmark is found to contain a duplicate high-volume transaction that raised the published value. MassGain calculates the impact, routes the correction for approval, preserves both vintages, issues a notice, and identifies the supplier settlements that used the original figure.
FAQs
What types of errors may require a benchmark correction?
Source, unit, mapping, duplicate, calculation, timestamp, constituent, or publication errors may require review.
Should corrected values overwrite the original history?
No. Original and corrected vintages, rationale, approval, and publication timing should remain traceable.
How is a correction different from a methodology change?
A correction fixes an error under the existing rules; a methodology change alters the rules themselves.
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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.