Price Methodology | MandiBhav360

1. Record normalization

Each source row is normalized into state, district, source market, canonical mandi when available, commodity, variety, grade, arrival date and three prices: minimum, maximum and modal. The source unit is ₹ per quintal.

2. Structural quality checks

Rule	What happens
Missing, non-positive or modal below ₹10/quintal	Row is flagged as invalid or a probable unit mismatch and excluded from headline calculations.
Minimum ≤ modal ≤ maximum fails	Row is flagged; source values remain visible for transparency.
Maximum is over 20× minimum	Row is flagged as an extreme spread and excluded from summary medians.
Unsupported or missing date	Row cannot qualify as a current observation.

3. Modal-price summaries

The main page value is the median of valid modal prices. It is not an arithmetic average of minimum and maximum and it is not volume-weighted. The source does not provide reliable transaction volume for weighting.

The page range is the lowest valid minimum to the highest valid maximum among the included rows. Sample size is always displayed.

4. Unit conversions

The official unit remains ₹/quintal. The kg display divides the source value by 100; the tonne display multiplies it by 10. These are mathematical equivalents, not separately observed retail or bulk quotes.

5. Page publication gates

Mandi pageRecognized demand entity plus at least two valid same-day rows.

Commodity pagePriority commodity, at least ten valid rows and more than one state.

Market × commodityDemand-backed pair and at least one valid current observation.

Commodity × stateConfigured intent, at least five rows and three source markets.

State hubMust contain a published child mandi or a qualified commodity × state child.

District hubPublished child mandi, at least two source markets and five valid rows.

6. Canonicals and variants

“Today”, “aaj ka”, “rate”, “price” and “bhav” variants consolidate into the same canonical entity URL. Filter parameters, search results and comparison states are not separate indexable landings.

7. History

One complete snapshot is stored per source day. Historical points are daily medians calculated from those stored snapshots. If only one snapshot exists, the chart shows one point and says history starts there; older data is never fabricated.

8. Corrections

MandiBhav360 can correct an alias, page mapping or calculation bug. It does not silently alter an official source price. Suspect rows remain attributed and flagged.