Methodology

Cotly ingests the CFTC Legacy Futures Only Commitments of Traders report from the Public Reporting Environment and applies deterministic transforms.

• Source endpoint: https://publicreporting.cftc.gov/resource/6dca-aqww.json
• License: U.S. federal government work, 17 U.S.C. §105, public domain.
• noncomm_net: noncommercial long − noncommercial short.
• noncomm_net_pct_oi: noncomm_net ÷ open interest when open interest > 0.
• noncomm_net_zscore: rolling 3-year (~156 week) sample z-score of noncomm_net (min_periods = window/2), matching the reference Python pipeline.
• cot_index: 0–100 location of noncomm_net within the rolling 3-year min–max range.
• noncomm_net_wow_change: first difference of noncomm_net.

These quantities describe the historical distribution of reported positioning. They are not forecasts and do not constitute recommendations.