Current UCUI
68/100
Moderate-High Uncertainty
+4 points from prior reading
Potato Market Intelligence
Potato Ending Stocks
Potato ending stocks are inventories remaining at the close of a crop, marketing, or reporting period. MassGain connects carryout with quality, commitments, disappearance, processor usage, regional prices, and new-crop timing so users can judge how dependable the supply bridge into the next crop really is.
Market Data
How to read this market
Potato ending stocks are inventories remaining at the close of a crop, marketing, or reporting period. The object should retain region, crop year, holder category, product or variety, reporting date, quality condition, and contract status so the carryout can be compared consistently across seasons.
Use ending stocks to assess the supply bridge into the next crop and to frame late-season price and service risk. Compare the remaining inventory with disappearance, processor usage, storage quality, new-crop timing, and regional replacement options rather than assuming every reported tonne is equally usable.
Data Module
Potato Ending Stocks Monitor
Periodclosing crop or marketing date
Regionstorage market
Inventorycarryout volume
Qualityage and usable condition
Transitionnext-crop timing and coverage
Decision uselate-season supply risk
Analysis
Why this matters
Low ending stocks increase sensitivity to harvest delays and quality problems, but high ending stocks do not guarantee abundance. Carryout can be concentrated in aging, committed, or off-specification material. The commercial signal is the amount of dependable inventory that can bridge the market to new crop, not the closing number in isolation.
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, lenders, and market analysts that need to understand potato ending stocks. Ending stocks are the inventories remaining at the close of a crop, marketing, or reporting period and provide an important signal about carryout, market balance, and the supply available to bridge into the next crop. MassGain helps users qualify the figure by region, holder, variety, quality, contract status, and storage condition.
Low ending stocks can increase transition risk and price sensitivity, but high stocks do not necessarily imply a surplus. Remaining potatoes may be aging, committed, unsuitable for the next buyer, or costly to move. MassGain compares ending inventory with historical carryout, disappearance, processor demand, new-crop timing, quality, and regional prices. Procurement can evaluate late-season coverage, growers can assess marketing pace, and lenders can understand inventory liquidation and cash-conversion risk. The result is a clearer closing supply position that shows not only how many tonnes remain, but whether those tonnes are commercially usable and sufficient for the period before new production becomes dependable.
Use Case
Ending stocks fall below normal in a processing basin while the next crop is running late. MassGain shows the remaining inventory is heavily committed and declining in quality. Procurement secures a short bridge from another region and avoids carrying a temporary emergency premium into the full new-crop contract.
FAQs
What are potato ending stocks?
They are inventories remaining at the end of a defined crop, marketing, or reporting period.
Why do ending stocks matter?
They indicate carryout, transition coverage, price sensitivity, and the amount of inventory entering the next period.
How does MassGain qualify ending inventory?
It connects stocks with quality, commitments, region, disappearance, prices, storage, and new-crop timing.
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.