Current UCUI
68/100
Moderate-High Uncertainty
+4 points from prior reading
Potato Market Intelligence
Potato Benchmark Change Policy
A potato benchmark change policy governs how methodology, constituents, weights, scope, data sources, timing, or controls are proposed and implemented. MassGain supports backtests, parallel runs, impact analysis, versioning, and transition records so technical changes do not become unexplained commercial discontinuities.
Market Data
How to read this market
A potato benchmark change policy defines how changes to methodology, constituents, weights, market scope, assessment windows, publication cadence, data sources, or operational controls are proposed, tested, approved, communicated, and implemented. The object should retain version, rationale, effective date, impact analysis, and transition plan.
Use the data to backtest proposed changes, run old and new methods in parallel, identify affected contracts, and preserve legacy series. Distinguish routine maintenance from material changes that can alter benchmark behavior or commercial settlements.
Data Module
Potato Benchmark Change Policy
ObjectGovernance process for benchmark modifications
ChangesScope, weights, sources, windows, cadence, controls
EvidenceBacktest, impact analysis, parallel run
GovernanceApproval, consultation, notice, versioning
Commercial useContract and series-transition management
WatchpointDo not silently rewrite historical methodology
Analysis
Why this matters
Change policy matters because an apparently technical improvement can alter basis, volatility, and settlement outcomes. Adding a region or changing weights can create a structural break even when the underlying potato market did not move.
Commercial interpretation requires separating methodology effects from market effects. Parallel calculations and preserved legacy values make that distinction visible during transition.
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, analysts, processors, procurement teams, and governance committees that need a potato benchmark change policy. A change policy defines how methodology, constituents, weights, market scope, publication cadence, data sources, correction rules, or operational procedures may be proposed, evaluated, approved, communicated, and implemented. MassGain helps users connect each proposed change with historical benchmark behavior and the contracts or models that depend on it.
Even a technically reasonable update can create commercial discontinuity. Adding a region, changing weights, shortening an assessment window, or replacing a data source can alter index movement and settlement outcomes. MassGain supports impact analysis, historical backtesting, parallel calculations, consultation records, approval workflow, versioning, and effective-date control. Administrators can distinguish routine maintenance from a material methodology change, procurement can evaluate contract implications, finance can prepare for series breaks, and governance teams can document rationale and conflicts. The framework also preserves legacy values and transition bridges rather than silently rewriting history. MassGain does not determine the administrator's legal or regulatory obligations. It provides the market-data and governance infrastructure needed to make changes transparent, proportionate, testable, and understandable to users before they affect commercial decisions.
Use Case
A benchmark administrator proposes adding a fast-growing production region to the index. MassGain runs the old and proposed methodologies in parallel, measures the historical effect on volatility and settlements, and identifies contracts requiring notice. The region is phased in under a published version change instead of being added silently.
FAQs
What should a potato benchmark change policy cover?
It should cover proposals, impact analysis, consultation, approvals, versioning, notice, effective dates, transition, and historical preservation.
Why backtest methodology changes?
A change can alter volatility, basis, historical relationships, and contract settlements even when the intention is improvement.
How does MassGain manage change transparency?
It supports parallel runs, version history, impact analysis, approval records, user notice, and reproducible transition bridges.
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.