{"schemaVersion":1,"source":"Yahoo Finance price/volume; Trend Screeners model-book calculations","sourceUrl":"https://finance.yahoo.com/","generated":"2026-07-29","calculation":"advance = (peakPrice / pivot - 1) * 100; percentages rounded in article","limitations":"Retrospectively selected historical case, not a strategy success rate or realized investment return. Weekly chart data only; daily/hourly trade-simulation inputs are not included.","case":{"slug":"model-unitedhealth-group-1990","sym":"UNH","name":"UnitedHealth Group","market":"US","bench":"S&P 500","baseStart":"1990-07-09","baseEnd":"1990-11-19","baseLen":20,"baseDepth":34.8,"baseLow":0.410156,"baseLowDate":"1990-10-08","pivot":0.628906,"breakout":"1990-11-26","breakoutClose":0.632813,"volSurge":-7,"peak":"1993-02-01","peakPrice":4.25,"advance":575.8,"weeks":114,"shakeout":25.8,"shakeFrom":"1991-07-15","shakeTo":"1991-09-09","ongoing":false},"weeklyColumns":["date","open","high","low","close","volume"],"weekly":[["1989-07-10",0.328125,0.34375,0.308594,0.34375,40291200],["1989-07-17",0.34375,0.359375,0.316406,0.339844,33654400],["1989-07-24",0.339844,0.339844,0.308594,0.328125,18652800],["1989-07-31",0.328125,0.347656,0.300781,0.34375,33894400],["1989-08-07",0.34375,0.386719,0.335938,0.375,118524800],["1989-08-14",0.375,0.375,0.347656,0.359375,13462400],["1989-08-21",0.359375,0.394531,0.34375,0.386719,33523200],["1989-08-28",0.386719,0.394531,0.34375,0.375,18569600],["1989-09-04",0.375,0.378906,0.351563,0.355469,4313600],["1989-09-11",0.355469,0.363281,0.328125,0.339844,12422400],["1989-09-18",0.339844,0.371094,0.335938,0.371094,110281600],["1989-09-25",0.371094,0.375,0.347656,0.367188,24531200],["1989-10-02",0.367188,0.394531,0.359375,0.394531,54819200],["1989-10-09",0.394531,0.394531,0.34375,0.347656,15075200],["1989-10-16",0.347656,0.359375,0.308594,0.355469,32332800],["1989-10-23",0.355469,0.355469,0.328125,0.332031,23699200],["1989-10-30",0.332031,0.351563,0.320313,0.34375,14659200],["1989-11-06",0.34375,0.363281,0.335938,0.363281,27555200],["1989-11-13",0.363281,0.375,0.351563,0.371094,26899200],["1989-11-20",0.371094,0.375,0.359375,0.371094,6172800],["1989-11-27",0.371094,0.386719,0.371094,0.386719,32963200],["1989-12-04",0.386719,0.390625,0.363281,0.367188,16572800],["1989-12-11",0.367188,0.367188,0.351563,0.359375,14534400],["1989-12-18",0.351563,0.351563,0.308594,0.34375,34457600],["1989-12-25",0.34375,0.386719,0.339844,0.378906,10742400],["1990-01-01",0.378906,0.386719,0.351563,0.355469,9081600],["1990-01-08",0.355469,0.359375,0.316406,0.324219,13651200],["1990-01-15",0.324219,0.339844,0.316406,0.328125,30323200],["1990-01-22",0.328125,0.328125,0.273438,0.289063,47369600],["1990-01-29",0.289063,0.292969,0.246094,0.289063,48230400],["1990-02-05",0.289063,0.324219,0.285156,0.308594,20681600],["1990-02-12",0.308594,0.320313,0.308594,0.316406,17667200],["1990-02-19",0.316406,0.328125,0.300781,0.328125,33654400],["1990-02-26",0.328125,0.332031,0.28125,0.289063,143033600],["1990-03-05",0.289063,0.320313,0.28125,0.3125,39808000],["1990-03-12",0.3125,0.316406,0.292969,0.304688,15904000],["1990-03-19",0.300781,0.300781,0.285156,0.296875,34848000],["1990-03-26",0.296875,0.308594,0.292969,0.304688,8182400],["1990-04-02",0.300781,0.328125,0.292969,0.324219,14502400],["1990-04-09",0.324219,0.328125,0.308594,0.328125,11686400],["1990-04-16",0.328125,0.332031,0.3125,0.316406,16208000],["1990-04-23",0.308594,0.324219,0.304688,0.3125,5574400],["1990-04-30",0.324219,0.382813,0.320313,0.375,43916800],["1990-05-07",0.386719,0.414063,0.382813,0.402344,87100800],["1990-05-14",0.402344,0.429688,0.402344,0.417969,46752000],["1990-05-21",0.417969,0.46875,0.417969,0.457031,84220800],["1990-05-28",0.453125,0.484375,0.449219,0.46875,45795200],["1990-06-04",0.476563,0.496094,0.441406,0.441406,59676800],["1990-06-11",0.441406,0.492188,0.4375,0.476563,26937600],["1990-06-18",0.46875,0.527344,0.460938,0.511719,55318400],["1990-06-25",0.515625,0.539063,0.492188,0.539063,44268800],["1990-07-02",0.53125,0.554688,0.523438,0.546875,12739200],["1990-07-09",0.550781,0.628906,0.507813,0.601563,38441600],["1990-07-16",0.605469,0.609375,0.527344,0.546875,29619200],["1990-07-23",0.535156,0.597656,0.507813,0.578125,35283200],["1990-07-30",0.578125,0.601563,0.460938,0.511719,34864000],["1990-08-06",0.507813,0.554688,0.480469,0.546875,65200000],["1990-08-13",0.542969,0.582031,0.542969,0.554688,23139200],["1990-08-20",0.546875,0.550781,0.460938,0.5,40873600],["1990-08-27",0.515625,0.546875,0.515625,0.535156,26694400],["1990-09-03",0.527344,0.558594,0.507813,0.527344,25212800],["1990-09-10",0.546875,0.578125,0.542969,0.574219,51664000],["1990-09-17",0.570313,0.585938,0.558594,0.5625,29478400],["1990-09-24",0.5625,0.578125,0.449219,0.503906,53840000],["1990-10-01",0.523438,0.546875,0.484375,0.484375,26604800],["1990-10-08",0.496094,0.503906,0.410156,0.4375,63292800],["1990-10-15",0.441406,0.515625,0.4375,0.503906,24192000],["1990-10-22",0.5,0.550781,0.5,0.527344,23724800],["1990-10-29",0.535156,0.574219,0.492188,0.5625,71571200],["1990-11-05",0.570313,0.585938,0.53125,0.539063,36051200],["1990-11-12",0.542969,0.628906,0.542969,0.59375,45808000],["1990-11-19",0.601563,0.617188,0.578125,0.582031,17248000],["1990-11-26",0.578125,0.648438,0.574219,0.632813,34444800],["1990-12-03",0.632813,0.71875,0.609375,0.695313,153660800],["1990-12-10",0.6875,0.695313,0.65625,0.683594,33235200],["1990-12-17",0.675781,0.734375,0.664063,0.714844,65881600],["1990-12-24",0.714844,0.75,0.710938,0.71875,49068800],["1990-12-31",0.722656,0.75,0.636719,0.664063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