{"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-halliburton-1976","sym":"HAL","name":"Halliburton","market":"US","bench":"S&P 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800811],["1981-07-13",14.4738,15.1588,14.2654,15.1588,2568283],["1981-07-20",15.1588,15.9629,14.9206,15.3673,2546458],["1981-07-27",15.4566,15.8438,15.4268,15.8438,2592208],["1981-08-03",15.8438,15.9629,15.3077,15.814,2539323],["1981-08-10",15.814,16.7968,15.7247,16.2607,2245935],["1981-08-17",16.231,16.231,15.4864,15.7842,2342892],["1981-08-24",15.7247,15.7247,14.2951,14.3547,3531127],["1981-08-31",14.4738,14.5036,13.491,13.64,2918333],["1981-09-07",13.64,13.6995,13.0145,13.3719,3006053],["1981-09-14",13.3719,13.3719,11.8233,11.9126,4244237],["1981-09-21",11.9126,12.1509,10.9596,10.9596,3338055],["1981-09-28",10.9596,12.2402,10.5129,12.2104,3356942],["1981-10-05",12.4189,13.1039,12.3891,12.7763,4404152],["1981-10-12",12.7763,13.0443,11.8531,11.9424,2233766],["1981-10-19",11.9126,12.9252,11.6446,12.5976,3474465],["1981-10-26",12.5976,13.6995,12.5083,13.5804,2212779],["1981-11-02",13.64,14.2654,13.2826,13.3719,2538484],["1981-11-09",13.4017,13.8186,12.3891,12.4487,2542261],["1981-11-16",12.4487,12.7167,12.1509,12.2998,3318329]]}