Vega is not actually part of the true Greek alphabet (Alpha-Beta) that is so beloved by financial quants etc and yet it fits neatly into the family tree of performance benchmarks.

FORBES: Rogue Trading...Look Past Delta, What About Vega?

The gene converts the compound phytoene into lycopene, which in turn is involved in the production of alpha and beta-carotene.

BBC: Tomatoes

The following Exhibit compares R-Squared, Beta, and Alpha for two hypothetical large-cap equity funds, and will be used to demonstrate how investors can more meaningfully compare the performance of mutual funds.

FORBES: Three Essential Metrics Mutual Fund Investors Need to Know

We are going to focus on three: R-Squared, Beta, and Alpha.

FORBES: Three Essential Metrics Mutual Fund Investors Need to Know