J-Fish Toyosu price update – week ending June 7
Horse mackerel showed a notable week-on-week move at Toyosu in the week ending June 7, 2026, though the figures should be read with some caution because volume is grouped across size grades.
Overall weekly volume fell from 272,282 kg to 181,655 kg (-33.3%), while the quoted medium-size horse mackerel line rose from JPY 457/kg to JPY 640/kg (+40.0%). The move is therefore best read as a broad tightening signal rather than a precise price-volume match for one grade.

Toyosu weekly horse mackerel price and volume, November 2025–June 2026. Price is shown on the left axis; volume is shown on the right axis. Volume is grouped across size grades, while the price line reflects the quoted medium-size horse mackerel line.
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