{"avg":{"id":"sc-sen-2026","title":"South Carolina · U.S. Senate — Andrews vs. Graham","label":"SC · Andrews–Graham","category":"2026 Senate","a":{"label":"Andrews","value":43.9},"b":{"label":"Graham","value":45.3},"margin":-1.4,"marginText":"Graham+1.4","marginDefinition":"Andrews minus Graham","page":"https://onpointpolitics.com/polls/sc/senate","source":"OnPoint Politics polling average, The Public Sentiment Institute"},"updated":"2026-09-29","series":[{"date":"2026-08-22","a":42,"b":39,"margin":3},{"date":"2026-08-23","a":42,"b":39,"margin":3},{"date":"2026-08-24","a":41.5,"b":40,"margin":1.5},{"date":"2026-08-25","a":41.5,"b":40,"margin":1.5},{"date":"2026-08-26","a":41.5,"b":40,"margin":1.5},{"date":"2026-08-27","a":41.5,"b":40,"margin":1.5},{"date":"2026-08-28","a":41.5,"b":40,"margin":1.5},{"date":"2026-08-29","a":41.5,"b":40,"margin":1.5},{"date":"2026-08-30","a":41.5,"b":40,"margin":1.5},{"date":"2026-08-31","a":41.5,"b":40,"margin":1.5},{"date":"2026-09-01","a":41.5,"b":40,"margin":1.5},{"date":"2026-09-02","a":41.5,"b":40,"margin":1.5},{"date":"2026-09-03","a":41.5,"b":40,"margin":1.5},{"date":"2026-09-04","a":41.5,"b":40,"margin":1.5},{"date":"2026-09-05","a":41.5,"b":40,"margin":1.5},{"date":"2026-09-06","a":41.5,"b":40,"margin":1.5},{"date":"2026-09-07","a":41.5,"b":40,"margin":1.5},{"date":"2026-09-08","a":41.5,"b":40,"margin":1.5},{"date":"2026-09-09","a":42.9,"b":44.6,"margin":-1.7},{"date":"2026-09-10","a":42.9,"b":44.6,"margin":-1.7},{"date":"2026-09-11","a":42.9,"b":44.6,"margin":-1.7},{"date":"2026-09-12","a":42.9,"b":44.6,"margin":-1.7},{"date":"2026-09-13","a":42.9,"b":44.6,"margin":-1.7},{"date":"2026-09-14","a":42.9,"b":45.4,"margin":-2.5},{"date":"2026-09-15","a":42.9,"b":45.4,"margin":-2.5},{"date":"2026-09-16","a":42.9,"b":45.4,"margin":-2.5},{"date":"2026-09-17","a":42.9,"b":45.4,"margin":-2.5},{"date":"2026-09-18","a":42.9,"b":45.4,"margin":-2.5},{"date":"2026-09-19","a":42.9,"b":45.4,"margin":-2.5},{"date":"2026-09-20","a":42.9,"b":45.5,"margin":-2.6},{"date":"2026-09-21","a":42.9,"b":45.5,"margin":-2.6},{"date":"2026-09-22","a":42.9,"b":45.5,"margin":-2.6},{"date":"2026-09-23","a":42.9,"b":45.5,"margin":-2.6},{"date":"2026-09-24","a":42.9,"b":45.5,"margin":-2.6},{"date":"2026-09-25","a":42.7,"b":44.6,"margin":-1.9},{"date":"2026-09-26","a":42.7,"b":44.6,"margin":-1.9},{"date":"2026-09-27","a":42.7,"b":44.6,"margin":-1.9},{"date":"2026-09-28","a":42.7,"b":44.6,"margin":-1.9},{"date":"2026-09-29","a":43.9,"b":45.3,"margin":-1.4}],"polls":[{"pollster":"Impact Research (D)","date":"2026-08-22","sampleSize":900,"sampleType":"LV","a":42,"b":39,"margin":3},{"pollster":"Impact Research (D)","date":"2026-08-24","sampleSize":700,"sampleType":"LV","a":41,"b":41,"margin":0},{"pollster":"InsiderAdvantage (R)","date":"2026-09-09","sampleSize":1200,"sampleType":"LV","a":43,"b":45,"margin":-2},{"pollster":"Rasmussen Reports","date":"2026-09-14","sampleSize":1006,"sampleType":"LV","a":43,"b":48,"margin":-5},{"pollster":"Trafalgar Group (R)","date":"2026-09-25","sampleSize":1087,"sampleType":"LV","a":42.3,"b":43.4,"margin":-1.1},{"pollster":"InsiderAdvantage (R)","date":"2026-09-29","sampleSize":1200,"sampleType":"LV","a":45,"b":46,"margin":-1}]}