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ARCH

Autoregressive Conditional Heteroskedasticity

A statistical measure of the average error between a best fit line and actual data that uses past data to predict future performance. General Autoaggressive Conditional Heteroskedasticity is the most common way of doing this. See also: Fractal Distribution.
References in periodicals archive ?
The second arch gives rise to an operculum that contains the platysma.
At first, it seemed that wind or lightning could have toppled the fragile arch.
Wilson, VP/Finance and CFO of Arch Communications, 508-898-0962/
The FSR has been upgraded to A (Excellent) and the ICRs to "a" for Arch Reinsurance Ltd.
In gnathostomes, the mandibular arch forms the bones of the primitive jaw itself.
Arch provides wireless messaging services, primarily paging services, in thirteen states, serving principally medium-sized and small market areas with populations ranging from 250,000 to 1,000,000 in the Northeast, Southeast and Midwest.
Arch Europe is likely to maintain excellent stand-alone risk-adjusted capitalisation, supporting the initial growth phase of the company which is likely to stabilise during 2007-2008.
The two most common aortic arch anomalies that cause airway compression are (1) a double aortic arch and (2) a right aortic arch with an aberrant left subclavian artery and left ligamentum arteriosum.
Since 1986, the management of Arch has demonstrated the ability to grow the company from $3.
During the 2002-September 2006 period, Arch also generated less volatile underwriting results than many of its peers as evidenced by combined ratios that ranged from a high of 95.
Arch previously had a credit facility totaling $60,000,000 of which $31,750,000 was outstanding at August 31, 1994, Arch's fiscal year end.
McDonald's is at the forefront of the quick service restaurant industry and the Arch Card represents the next level in providing a convenient way to pay for meals.