What is 'Covariance'. Covariance is a measure of the degree to which returns on two risky assets move in tandem. A positive covariance means that asset returns move together, while a negative covariance means returns move inversely.
23 September 2016. The heaviest red cabbage weighs 23.2 kg (51.15 lb) and was grown by David Thomas (UK), as verified at the UK National Giant Vegetables Championship in Malvern, UK, on 23 September 2016. David also holds the current record for Heaviest parsnip and Heaviest cucumber.
The most commonly grown heirloom members of the cabbage family may be divided into eight cultivated forms, classified in the following manner, according to Hortus Third: 1  Cabbages that form heads: Brassica oleracea var. 2  Savoy cabbages, characterized by blistered or puckered leaves: Brassica oleracea var.