{"avg":{"id":"il-sen-2026","title":"Illinois · U.S. Senate — Stratton vs. Tracy","label":"IL · Stratton–Tracy","category":"2026 Senate","a":{"label":"Stratton","value":49},"b":{"label":"Tracy","value":36},"margin":13,"marginText":"Stratton+13.0","marginDefinition":"Stratton minus Tracy","page":"https://onpointpolitics.com/polls/il/senate","source":"OnPoint Politics polling average, The Public Sentiment Institute"},"updated":"2026-10-01","series":[{"date":"2026-10-01","a":49,"b":36,"margin":13}],"polls":[{"pollster":"Public Policy Polling for Chicago News Weekly (D)","date":"2026-10-01","sampleSize":569,"sampleType":"LV","a":49,"b":36,"margin":13}]}