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Spire Inc. is a natural gas company in the United States. Its natural gas-related businesses include Spire Marketing, Spire STL Pipeline and Spire Storage. The company operates via two segments, namely Gas Utility and Gas Marketing. The Gas Utility segment is the combination of all the regulated activities of its utilities and is a major contributor to the company's earnings. The Gas Marketing segment includes the results of Spire Marketing, a non-regulated subsidiary that markets natural gas and related activities. It also includes utilization natural gas storage contracts for providing natural gas sales. The Other segment includes unallocated corporate items and operations of Spire STL Pipeline LLC and Spire Storage West LLC. Spire STL Pipeline is a wholly owned subsidiary of Spire....

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Sharpe-Lintner-Black CAPM alpha (Premium Members Only) Fama-French (1993) 3-factor alpha (Premium Members Only) Fama-French-Carhart 4-factor alpha (Premium Members Only) Fama-French (2015) 5-factor alpha (Premium Members Only) Fama-French-Carhart 6-factor alpha (Premium Members Only) Dynamic conditional 6-factor alpha (Premium Members Only) Last update: Saturday 11 October 2025