Current UCUI
68/100
Moderate-High Uncertainty
+4 points from prior reading
Potato Market Intelligence
Potato Storage Differential
A potato storage differential compares immediate potato value with later stored supply or inventories held under different conditions. MassGain combines carry cost, shrink, quality deterioration, seasonal prices, and alternate supply to test whether a storage premium is economically justified.
Market Data
How to read this market
Potato Storage Differential compares immediate-delivery potatoes with later stored supply, or inventories held under different storage conditions. The market object includes carrying time, facility and energy cost, financing, shrink, sprout control, quality deterioration, and the availability of replacement potatoes.
Use the spread to test whether a forward or late-season premium compensates for the full cost and risk of holding usable potatoes. Match crop, region, variety, quality, and delivery basis, then compare the storage premium with alternate-origin or new-crop supply that could enter before the intended release date.
Data Module
Potato Storage Differential Monitor
Cropmatched variety and crop year
Timingprompt versus stored delivery
Carryfacility, energy, and financing
Lossshrink and quality deterioration
Alternativenew crop or other origin
Decision usehold, sell, or forward buy
Analysis
Why this matters
A positive storage spread does not automatically reward holding inventory. The premium can be consumed by shrink, quality loss, financing, or an earlier-than-expected supply transition. The key commercial signal is the spread per usable tonne after carry and deterioration, not the nominal price difference between delivery months.
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 distributors, wholesalers, processors, storage operators, and finance teams that need to measure a potato storage differential. The differential is the price or value gap between immediate-delivery potatoes and inventory delivered after a period of storage, or between products held under different storage conditions. MassGain helps users separate carrying cost from changes in quality, availability, and market timing.
Storage value includes energy, facility charges, financing, handling, shrink, sprout control, quality deterioration, and the opportunity cost of holding inventory. A later price premium may compensate for those costs and for declining market supply, but it can also be excessive if new-crop or alternate-origin volume becomes available. MassGain compares current and historical seasonal spreads, crop timing, storage quality, inventory drawdown, regional prices, and replacement options. Growers can evaluate hold-versus-sell decisions, buyers can test forward delivery premiums, and finance can estimate carrying economics and inventory value. The result is a storage spread grounded in usable delivered product rather than assuming every month in storage adds the same predictable amount.
Use Case
A wholesaler is offered potatoes for immediate delivery and a March position with a large premium. MassGain shows the premium exceeds expected energy, financing, shrink, and historical seasonal spread, while another region is likely to enter the market before March. The buyer covers near-term demand and leaves later volume flexible.
FAQs
What is a potato storage differential?
It is the value difference associated with storage duration, condition, carrying costs, and later delivery.
What costs belong in a storage premium?
Energy, facility, financing, handling, shrink, quality risk, sprout control, and opportunity cost may apply.
How does MassGain test storage value?
It compares carrying cost and quality with historical spreads, drawdown, crop timing, prices, and alternatives.
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.