# Forecasting intraday S&P 500 index returns: A functional time series approach

> Research article (Journal of Forecasting, 2017) · cited 30× · AI/ML

**Wikidata**: [openalex:W3121226762](https://www.wikidata.org/wiki/openalex:W3121226762)  
**Source**: https://4ort.xyz/entity/forecasting-intraday-s-amp-p-500-index-returns-a-functional-time-series-approach