Retail prices of onion in the four metros remained static at an average of Rs 15 to Rs 22 per kg on Thursday, despite fresh arrivals trickling into wholesale markets in different parts of the country denting prices marginally. At the same time last year,quality onions sold at around Rs 9 per kg.In the Capitals Azadpur wholesale market arrivals touched 10,000 quintals on Thursday compared to 9,900 quintals on Wednesday and the model rate of the tuber touched Rs 1,185 per quintal compared to a model rate of Rs 1,351 per quintal earlier. But in onion strong hold like Nashik, where arrivals touched 12,000 quintals ,the fall was marginal in wholesale prices. Prices stood at Rs 1,300 per quintal,compared to Wednesdays Rs 1,351 per quintal. A release from Nafed said that it has already brought in around 22 truck loads(361 tonnes) of onion into Delhi from Rajasthan and M.P. Market sources in MP said that prices came downfurther in the wholesale markets with the arrival of fresh stocks, but the common man continued to be hit hard as retail sellers charged high price for the commodity. The old stock was sold at around Rs 16 per kg, while prices of the fresh stock of onions touched Rs 10-11 per kg in the wholesale markets.