StacksVerified U.S. regulatory reference

17 CFR §41.13

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
When a contract of sale for future delivery on a security index is traded on or subject to the rules of a foreign board of trade, such index shall not be a narrow-based security index if it would not be a narrow-based security index if a futures contract on such index were traded on a designated contract market.