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CFTC Commitments of Traders (COT): weekly futures positioning by trader group for every reportable U.S. futures market — crude oil (WTI, Brent), Henry Hub natural gas, gasoline, diesel, power, emissions, metals, grains, and financial futures. Public U.S. government data. searchMarkets finds contract market codes (WTI 067651, Henry Hub 023651, Brent 06765T, RBOB 111659, ULSD 022651). getPositions returns weekly long/short/spread positions, week-over-week changes, percent of open interest, and trader counts. getNetPositioning returns net positions per group with percentile, z-score, and COT index versus a 1-20 year lookback. Reports: disaggregated (commodities, default), legacy (all markets, 1986+), tff (financials). Positions as of Tuesday, released Friday. No setup needed.