Welcome to Mandi Bhav India. On this page you will find detailed information on today's Onion market prices in Siwan district of Bihar. Check the latest report on price trends across various markets of Siwan.
| Commodity | Onion |
| Average Price | ₹2,642 per quintal |
| Minimum Price | ₹1,000 / quintal |
| Maximum Price | ₹3,200 / quintal |
* This summary is taken from recent prices across markets in Siwan district.
According to latest info, the average price of Onion in Siwan district is ₹2,642 /quintal. The minimum price observed was ₹1,000 /quintal and the maximum price peaked at ₹3,200 /quintal. Live prices of Onion from established markets of Siwan are listed below.
This data was last updated on 10 August 2026.
Note: Extremely high or low prices may be due to mandi data-entry errors. Use the 'Average Price' for accurate estimates.
| Date | Markets | Commodity | Variety/Grade | Min Price | Max Price | Modal Price |
|---|---|---|---|---|---|---|
| 10/08/2026 | Maharjganj | Onion | 1st SortFAQ | ₹3,200 | ₹3,200 | ₹3,200 |
| 08/08/2026 | Maharjganj | Onion | 1st SortFAQ | ₹3,000 | ₹3,000 | ₹3,000 |
| 06/08/2026 | Maharjganj | Onion | 1st SortFAQ | ₹3,000 | ₹3,000 | ₹3,000 |
| 05/08/2026 | Maharjganj | Onion | 1st SortFAQ | ₹3,000 | ₹3,000 | ₹3,000 |
| 04/08/2026 | Maharjganj | Onion | 1st SortFAQ | ₹2,800 | ₹2,800 | ₹2,800 |
| 02/08/2026 | Maharjganj | Onion | 1st SortFAQ | ₹3,000 | ₹3,000 | ₹3,000 |
| 01/08/2026 | Maharjganj | Onion | 1st SortFAQ | ₹2,800 | ₹2,800 | ₹2,800 |
| 31/07/2026 | Maharjganj | Onion | 1st SortFAQ | ₹2,800 | ₹2,800 | ₹2,800 |
| 30/07/2026 | Maharjganj | Onion | 1st SortFAQ | ₹2,500 | ₹2,500 | ₹2,500 |
| 30/05/2023 | Siwan | Onion | OtherFAQ | ₹1,000 | ₹1,200 | ₹1,200 |
Unlock complete historical data, advanced charts, and much more with Mandi Pro.
Unlock Mandi Pro4-year seasonal index (100 = annual average)
Looking at the last 4 years, Onion has consistently sold highest in Siwan during February — around 28% above average — while September brings the weakest prices (about 31% lower). A pattern worth knowing for farmers planning storage.
Record monthly average (high)
₹2,964/quintal
February 2022
Highest single-day price
₹3,500/quintal
February 2022 · Siwan
Record monthly average (low)
₹617/quintal
August 2005
In records going back to 2005, the highest monthly average for Onion in Siwan was ₹2,964/quintal in February 2022, while the weakest month on record is August 2005 (₹617/quintal).
Same-month comparison across years (monthly average, ₹/quintal)
| Year | Avg Price | YoY Change |
|---|---|---|
| August 2026 | ₹2,971 | — |
| August 2022 | ₹1,576 | — |
| August 2005 | ₹617 | — |
