One CFTC Commitments of Traders series. Pass the series id from sentiment_cot. Points have date and value (long minus short). long, short, spread, openInterest, the week-on-week change, the share of open interest, trader counts and cotIndex are included when the report has them. cotIndex is 0 to 100 over the last 156 weeks and is omitted until that window is complete or when the high equals the low. Shares of open interest are omitted when open interest is 0. Optional from and to are YYYY-MM-DD. Costs 1 request unit. A delayed token omits the newest points, and the response includes pointsRemoved.