KARACHI, Dec 8 (Reuters) - The Karachi Cotton Association on Tuesday 8 December fixed the official spot rate, or base price, for Grade 3 cotton at 4,715 rupees per maund (40 kg).

Photo: AFP

The Grade 3 cotton has a staple length of 1-1/16" (inches) and micronaire value between 3.8 to 4.9 NCL (no control limits) which represents fine to coarse classes of cotton varieties.

In the kerb market the key crop varieties traded in the range of 4,300 to 4,500 rupee per maund.

Following are the grade and staple margins for the period Dec. 1 to 15.