> Komatsuna wholesale price forecast for 17 series in Japan: 4- and 12-week ranges, typical error, and the months when komatsuna is cheapest. Updated daily.

Source: https://husfarm.com/forecasts/komatsuna/

[Home](https://husfarm.com/)›[Prices](https://husfarm.com/prices/)›[Price forecasts](https://husfarm.com/forecasts/)›KomatsunaPrice forecast · data of 13 Nov 2026

# Komatsuna price forecast for the next 12 weeks

17 wholesale komatsuna price series from 17 markets in Japan have a forecast. The median series points to a rise over the coming weeks (+13.9% by the end of the forecast), against a typical 12-week error of 19%. Below: when komatsuna is usually cheapest and dearest in 1 country.

[Komatsuna prices today](https://husfarm.com/today-price/komatsuna/)[Method](https://husfarm.com/forecasts/#method)

[Forecasts](#forecasts)[All series](#all)[Seasonal calendar](#seasons)[Questions](#questions)

## Komatsuna forecasts: 4 markets with the longest test record

Weekly average priceMost likely path80% range: 8 in 10 past forecasts ended inside a range this wide

### [Komatsuna](https://husfarm.com/prices/quotes/fukuoka-city-produce-market-vegfru-stadium/komatsuna/)

🇯🇵 Fukuoka City Central Wholesale Market, Produce Market (Vegefru Stadium), Japan
Latest weekly average**299** JPY/kg week of 26 Oct 2026
Week of 23 Nov 2026 +4 weeks**202–476** most likely 314 · +5.1%
Week of 18 Jan 2027 +12 weeks**212–507** most likely 330 · +10.2%
Typical error in tests24.1% at 4 weeks, 17.6% at 12 weeks (“no change”: 32.6% and 27.3%)

### [Komatsuna](https://husfarm.com/prices/quotes/hiroshima-city-central-wholesale-market/komatsuna/)

🇯🇵 Hiroshima City Central Wholesale Market, Japan
Latest weekly average**366** JPY/kg week of 26 Oct 2026
Week of 23 Nov 2026 +4 weeks**271–472** most likely 353 · −3.5%
Week of 18 Jan 2027 +12 weeks**294–592** most likely 405 · +10.6%
Typical error in tests19.5% at 4 weeks, 17.2% at 12 weeks (“no change”: 16.3% and 31.1%)

### [Komatsuna](https://husfarm.com/prices/quotes/kanazawa-city-central-wholesale-market/komatsuna/)

🇯🇵 Kanazawa City Central Wholesale Market, Japan
Latest weekly average**308** JPY/kg week of 26 Oct 2026
Week of 23 Nov 2026 +4 weeks**197–545** most likely 316 · +2.7%
Week of 18 Jan 2027 +12 weeks**220–609** most likely 354 · +14.8%
Typical error in tests25.8% at 4 weeks, 17.1% at 12 weeks (“no change”: 23.9% and 21.0%)

### [Komatsuna](https://husfarm.com/prices/quotes/kitakyushu-city-central-wholesale-market/komatsuna/)

🇯🇵 Kitakyushu City Central Wholesale Market, Japan
Latest weekly average**320** JPY/kg week of 26 Oct 2026
Week of 23 Nov 2026 +4 weeks**212–519** most likely 330 · +3.0%
Week of 18 Jan 2027 +12 weeks**214–566** most likely 359 · +12.3%
Typical error in tests24.9% at 4 weeks, 28.0% at 12 weeks (“no change”: 30.5% and 25.1%)

## All komatsuna forecasts

Prices in each market’s currency and unit. Range: 80%. Typical error: median error at 12 weeks in the test on the series’ own history.
Komatsuna price forecasts by market, data of 13 Nov 2026
| Quote and market | Latest week | In 4 weeks | In 12 weeks | Change | Typical error |
| --- | --- | --- | --- | --- | --- |
| [Komatsuna](https://husfarm.com/prices/quotes/fukuoka-city-produce-market-vegfru-stadium/komatsuna/)🇯🇵 Fukuoka City Central Wholesale Market, Produce Market (Vegefru Stadium)
| 299 JPY/kg | 202–476 | 212–507 | +10.2% | ±18% |
| [Komatsuna](https://husfarm.com/prices/quotes/hiroshima-city-central-wholesale-market/komatsuna/)🇯🇵 Hiroshima City Central Wholesale Market
| 366 JPY/kg | 271–472 | 294–592 | +10.6% | ±17% |
| [Komatsuna](https://husfarm.com/prices/quotes/kanazawa-city-central-wholesale-market/komatsuna/)🇯🇵 Kanazawa City Central Wholesale Market
| 308 JPY/kg | 197–545 | 220–609 | +14.8% | ±17% |
| [Komatsuna](https://husfarm.com/prices/quotes/kitakyushu-city-central-wholesale-market/komatsuna/)🇯🇵 Kitakyushu City Central Wholesale Market
| 320 JPY/kg | 212–519 | 214–566 | +12.3% | ±28% |
| [Komatsuna](https://husfarm.com/prices/quotes/kobe-city-central-wholesale-market/komatsuna/)🇯🇵 Kobe City Central Wholesale Market (Main Market)
| 334 JPY/kg | 261–494 | 269–525 | +13.9% | ±9% |
| [Komatsuna](https://husfarm.com/prices/quotes/nagoya-city-central-wholesale-market-honjo/komatsuna/)🇯🇵 Nagoya City Central Wholesale Market (Main Market)
| 336 JPY/kg | 236–565 | 255–617 | +13.3% | ±20% |
| [Komatsuna](https://husfarm.com/prices/quotes/nagoya-city-central-wholesale-market-northern-market/komatsuna/)🇯🇵 Nagoya City Central Wholesale Market (Northern Market)
| 343 JPY/kg | 259–470 | 281–517 | +13.2% | ±14% |
| [Komatsuna](https://husfarm.com/prices/quotes/okinawa-prefectural-central-wholesale-market/komatsuna/)🇯🇵 Okinawa Prefectural Central Wholesale Market
| 461 JPY/kg | 350–733 | 251–641 | −13.6% | ±18% |
| [Komatsuna](https://husfarm.com/prices/quotes/osaka-city-central-wholesale-market-honjo/komatsuna/)🇯🇵 Osaka City Central Wholesale Market (Main Market)
| 302 JPY/kg | 197–505 | 196–570 | +15.9% | ±24% |
| [Komatsuna](https://husfarm.com/prices/quotes/ota-market/komatsuna/)🇯🇵 Ota Market (Tokyo Metropolitan Central Wholesale Market)
| 325 JPY/kg | 235–546 | 235–621 | +12.2% | ±27% |
| [Komatsuna](https://husfarm.com/prices/quotes/sapporo-city-central-wholesale-market/komatsuna/)🇯🇵 Sapporo City Central Wholesale Market
| 462 JPY/kg | 392–618 | 417–740 | +20.8% | ±17% |
| [Komatsuna](https://husfarm.com/prices/quotes/sendai-city-central-wholesale-market-honjo/komatsuna/)🇯🇵 Sendai City Central Wholesale Market (Main Market)
| 371 JPY/kg | 224–511 | 270–650 | +19.7% | ±18% |
| [Komatsuna](https://husfarm.com/prices/quotes/takamatsu-city-central-wholesale-market/komatsuna/)🇯🇵 Takamatsu City Central Wholesale Market
| 401 JPY/kg | 295–629 | 324–815 | +15.1% | ±19% |
| [Komatsuna](https://husfarm.com/prices/quotes/toshima-market/komatsuna/)🇯🇵 Toshima Market (Tokyo Metropolitan Central Wholesale Market)
| 321 JPY/kg | 216–551 | 230–614 | +15.9% | ±30% |
| [Komatsuna](https://husfarm.com/prices/quotes/toyosu-market/komatsuna/)🇯🇵 Toyosu Market (Tokyo Metropolitan Central Wholesale Market)
| 321 JPY/kg | 211–526 | 226–593 | +11.3% | ±25% |
| [Komatsuna](https://husfarm.com/prices/quotes/yodobashi-market/komatsuna/)🇯🇵 Yodobashi Market (Tokyo Metropolitan Central Wholesale Market)
| 336 JPY/kg | 231–555 | 258–677 | +15.3% | ±21% |
| [Komatsuna](https://husfarm.com/prices/quotes/yokohama-central-wholesale-market-honjo/komatsuna/)🇯🇵 Yokohama City Central Wholesale Market (Main Market)
| 311 JPY/kg | 205–530 | 220–592 | +15.1% | ±23% |

## When is komatsuna cheapest? Seasonal price calendar

Usual wholesale price in each month against the yearly average, by country.
Komatsuna wholesale prices by month, percent above or below the yearly average
| Country | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Cheapest | Dearest |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 🇯🇵 Japan19 series · 19 markets · 2024–2026 | +12 | +15 | −11 | −14 | −16 | −18 | −16 | −1 | +32 | +25 | +20 | +21 | June | September |

cheaper than the yearly average · dearer · figures in % · · no quotes in that month (season or data gap). Monthly averages of each series against its yearly average, after removing the long-term trend such as inflation; median across series and markets of the country, years with at least 10 months of quotes.

### A statistical forecast, not advice

The forecasts extend each series’ own seasonal pattern; they do not know about this year’s weather, harvests, policy or currency moves. Use the range, not only the central figure, and do not base trading, purchasing or credit decisions on them alone.

## Questions and answers

Will komatsuna prices go up or down in the coming weeks?Of 17 komatsuna price series with a forecast, 16 point higher and 1 lower or flat by the end of the forecast; the median series points to a rise (+13.9%). The forecasts repeat what the season usually does and are recalculated daily (data of 13 Nov 2026).
When is komatsuna cheapest?In Japan, wholesale komatsuna prices are usually lowest in June (−18.0% against the yearly average) and highest in September (+31.5%), based on 19 price series from 19 markets, 2024–2026.
How accurate is the komatsuna price forecast?In tests on the last 52 weeks of each series, the typical 12-week error of the published komatsuna forecasts was 19%. Each series passed the test only because its errors were smaller than those of a “no change” forecast. Results of the archived forecasts are on the accuracy page.
Where do the komatsuna prices come from?From the wholesale markets and price services listed on each series, as published, in their own currencies and units. Husfarm does not adjust them except to compute weekly and monthly averages.

[Komatsuna prices today](https://husfarm.com/today-price/komatsuna/) · [All price forecasts](https://husfarm.com/forecasts/) · [Accuracy](https://husfarm.com/forecasts/accuracy/)
Calculated from Husfarm price data; changes with every update. Data licensed under [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/).

---
Husfarm: https://husfarm.com/ · Site guide for agents: https://husfarm.com/llms.txt