PT - JOURNAL ARTICLE AU - Richard Halford TI - The Art of Trading Stock Index Futures AID - 10.3905/joi.1997.408430 DP - 1997 Aug 31 TA - The Journal of Investing PG - 87--93 VI - 6 IP - 3 4099 - https://pm-research.com/content/6/3/87.short 4100 - https://pm-research.com/content/6/3/87.full