Onion prices are once again seeing prolonged periods of deflation. Consumer price index (CPI) based deflation in onions was recorded at -49.85 per cent in September, which was a six-and-a-half-year high.
This is the steepest deflation rate recorded in onions since February 2019 (see chart). So far, in this current financial year (2025-26), only April saw a moderate inflation of 2.85 per cent in onions and since then it has seen a deflation in every succeeding month.
The unusual trend
The latest price slump has come during a period when traditionally onion prices tend to soar. While this unusual fallt.
