{"access":"sample","sample":true,"sample_size":12,"observations_total":303,"signal":"us-shuttle-premium-whiplash-china-state-buying-record-crop-2026","key":"bnsf-shuttle-bid-next-month-usd-car","family":"ECONOMIC","variable":"Average BNSF shuttle secondary railcar market bid/offer for delivery in the month following the week of observation, US$ per car above (+) or below (-) tariff (USDA AMS Grain Transportation Report, Table 5; AMS analysis of broker data); weekly, Thursday","unit":"US$ per car relative to tariff","geography":"US","publisher":"usda-ams","source_url":"https://agtransport.usda.gov/resource/cvu8-kpyk.json?%24where=date%20%3E%3D%20%272021-01-01T00%3A00%3A00%27%20AND%20train_type%20%3D%20%27Shuttle%27%20AND%20company%20in%20%28%27BNSF%27%2C%27UP%27%29&%24order=date%2Ccompany%2Cyear_month_bid_for&%24limit=50000","source_sha256":"f0b7f0d063f9d869984cf8174921e112d66f32229be16752470a0c9d13ebebde","collected_at":"2026-11-04T17:01:16+01:00","period_grain":"week","derived":null,"rights":"PUBLIC_DOMAIN","observations_withheld":false,"observations":[{"period":"2026-W32","value":350},{"period":"2026-W33","value":300},{"period":"2026-W34","value":400},{"period":"2026-W35","value":675},{"period":"2026-W36","value":1300},{"period":"2026-W37","value":1150},{"period":"2026-W38","value":1100},{"period":"2026-W39","value":700},{"period":"2026-W40","value":null},{"period":"2026-W41","value":null},{"period":"2026-W42","value":62.5},{"period":"2026-W43","value":275}]}