Anti-Excessive Speculation Act of 2011

[AI summary unavailable — showing source text] Anti-Excessive Speculation Act of 2011 - Amends the Commodity Exchange Act to revise the registration requirements for foreign boards of trade. Directs the Commodity Futures Trading Commission (CFTC) to consider whether foreign boards are subject to rules and restrictions prohibiting excessive speculation by governmental authorities that are comparable to the law, regulations, and orders applicable to boards of trade in the United States. Sets forth a presumption of excessive speculation if the CFTC, using specified criteria, determines that speculative traders in a commodity market have a substantial impact on price discovery. Establishes individual position limits on energy contracts (referencing the price of crude oil, gasoline, diesel fuel, jet fuel, heating oil, or natural gas) that are applicable to long or short positions. Defines an "excessive speculative position" as a position that affects more than 5% of: (1) the estimated deliverable supply of the same commodity in the spot month, and (2) the open interest in a contract in a single month or all months combined. Prohibits any person from holding or controlling an excessive speculative position, long or short, i…