{"data":[{"date":"2026-04-15","symbol":"ALSN","shortVolume":266285,"shortExemptVolume":10,"totalVolume":449004,"shortRatio":0.5931},{"date":"2026-04-16","symbol":"ALSN","shortVolume":118399,"shortExemptVolume":0,"totalVolume":215197,"shortRatio":0.5502},{"date":"2026-04-17","symbol":"ALSN","shortVolume":97759,"shortExemptVolume":0,"totalVolume":186611,"shortRatio":0.5239},{"date":"2026-04-20","symbol":"ALSN","shortVolume":123273,"shortExemptVolume":0,"totalVolume":236539,"shortRatio":0.5212},{"date":"2026-04-21","symbol":"ALSN","shortVolume":254230,"shortExemptVolume":0,"totalVolume":547763,"shortRatio":0.4641},{"date":"2026-04-22","symbol":"ALSN","shortVolume":288257,"shortExemptVolume":0,"totalVolume":426073,"shortRatio":0.6765},{"date":"2026-04-23","symbol":"ALSN","shortVolume":203218,"shortExemptVolume":18,"totalVolume":295937,"shortRatio":0.6867},{"date":"2026-04-24","symbol":"ALSN","shortVolume":273151,"shortExemptVolume":0,"totalVolume":345662,"shortRatio":0.7902},{"date":"2026-04-27","symbol":"ALSN","shortVolume":208083,"shortExemptVolume":0,"totalVolume":348581,"shortRatio":0.5969},{"date":"2026-04-28","symbol":"ALSN","shortVolume":153156,"shortExemptVolume":0,"totalVolume":294721,"shortRatio":0.5197},{"date":"2026-04-29","symbol":"ALSN","shortVolume":147437,"shortExemptVolume":626,"totalVolume":292085,"shortRatio":0.5048},{"date":"2026-04-30","symbol":"ALSN","shortVolume":245557,"shortExemptVolume":0,"totalVolume":375868,"shortRatio":0.6533},{"date":"2026-05-01","symbol":"ALSN","shortVolume":176969,"shortExemptVolume":83,"totalVolume":335495,"shortRatio":0.5275},{"date":"2026-05-04","symbol":"ALSN","shortVolume":197802,"shortExemptVolume":0,"totalVolume":481089,"shortRatio":0.4112},{"date":"2026-05-05","symbol":"ALSN","shortVolume":706488,"shortExemptVolume":270,"totalVolume":864003,"shortRatio":0.8177},{"date":"2026-05-06","symbol":"ALSN","shortVolume":255307,"shortExemptVolume":0,"totalVolume":357706,"shortRatio":0.7137},{"date":"2026-05-07","symbol":"ALSN","shortVolume":209689,"shortExemptVolume":0,"totalVolume":323353,"shortRatio":0.6485},{"date":"2026-05-08","symbol":"ALSN","shortVolume":191768,"shortExemptVolume":0,"totalVolume":311327,"shortRatio":0.616},{"date":"2026-05-11","symbol":"ALSN","shortVolume":198850,"shortExemptVolume":572,"totalVolume":295858,"shortRatio":0.6721},{"date":"2026-05-12","symbol":"ALSN","shortVolume":174075,"shortExemptVolume":9,"totalVolume":320897,"shortRatio":0.5425},{"date":"2026-05-13","symbol":"ALSN","shortVolume":259803,"shortExemptVolume":0,"totalVolume":455969,"shortRatio":0.5698},{"date":"2026-05-14","symbol":"ALSN","shortVolume":255486,"shortExemptVolume":174,"totalVolume":393657,"shortRatio":0.649},{"date":"2026-05-15","symbol":"ALSN","shortVolume":198065,"shortExemptVolume":1798,"totalVolume":350466,"shortRatio":0.5651},{"date":"2026-05-18","symbol":"ALSN","shortVolume":220235,"shortExemptVolume":7409,"totalVolume":526860,"shortRatio":0.418},{"date":"2026-05-19","symbol":"ALSN","shortVolume":220541,"shortExemptVolume":167,"totalVolume":594193,"shortRatio":0.3712},{"date":"2026-05-20","symbol":"ALSN","shortVolume":380814,"shortExemptVolume":1,"totalVolume":670755,"shortRatio":0.5677},{"date":"2026-05-21","symbol":"ALSN","shortVolume":221490,"shortExemptVolume":426,"totalVolume":400123,"shortRatio":0.5536},{"date":"2026-05-22","symbol":"ALSN","shortVolume":236561,"shortExemptVolume":0,"totalVolume":424079,"shortRatio":0.5578},{"date":"2026-05-26","symbol":"ALSN","shortVolume":246158,"shortExemptVolume":537,"totalVolume":432805,"shortRatio":0.5688},{"date":"2026-05-27","symbol":"ALSN","shortVolume":151602,"shortExemptVolume":0,"totalVolume":286582,"shortRatio":0.529},{"date":"2026-05-28","symbol":"ALSN","shortVolume":168101,"shortExemptVolume":2400,"totalVolume":622153,"shortRatio":0.2702},{"date":"2026-05-29","symbol":"ALSN","shortVolume":342117,"shortExemptVolume":0,"totalVolume":536257,"shortRatio":0.638},{"date":"2026-06-01","symbol":"ALSN","shortVolume":220180,"shortExemptVolume":0,"totalVolume":388933,"shortRatio":0.5661},{"date":"2026-06-02","symbol":"ALSN","shortVolume":171069,"shortExemptVolume":175,"totalVolume":347904,"shortRatio":0.4917},{"date":"2026-06-03","symbol":"ALSN","shortVolume":174469,"shortExemptVolume":0,"totalVolume":261881,"shortRatio":0.6662},{"date":"2026-06-04","symbol":"ALSN","shortVolume":141225,"shortExemptVolume":0,"totalVolume":213510,"shortRatio":0.6614},{"date":"2026-06-05","symbol":"ALSN","shortVolume":116153,"shortExemptVolume":0,"totalVolume":206497,"shortRatio":0.5625},{"date":"2026-06-08","symbol":"ALSN","shortVolume":114556,"shortExemptVolume":2,"totalVolume":218264,"shortRatio":0.5249},{"date":"2026-06-09","symbol":"ALSN","shortVolume":159252,"shortExemptVolume":1007,"totalVolume":314755,"shortRatio":0.506},{"date":"2026-06-10","symbol":"ALSN","shortVolume":138873,"shortExemptVolume":0,"totalVolume":225201,"shortRatio":0.6167},{"date":"2026-06-11","symbol":"ALSN","shortVolume":120105,"shortExemptVolume":0,"totalVolume":184857,"shortRatio":0.6497},{"date":"2026-06-12","symbol":"ALSN","shortVolume":121889,"shortExemptVolume":146,"totalVolume":205720,"shortRatio":0.5925},{"date":"2026-06-15","symbol":"ALSN","shortVolume":103967,"shortExemptVolume":305,"totalVolume":236573,"shortRatio":0.4395},{"date":"2026-06-16","symbol":"ALSN","shortVolume":87676,"shortExemptVolume":0,"totalVolume":206286,"shortRatio":0.425},{"date":"2026-06-17","symbol":"ALSN","shortVolume":95449,"shortExemptVolume":938,"totalVolume":230533,"shortRatio":0.414},{"date":"2026-06-18","symbol":"ALSN","shortVolume":108318,"shortExemptVolume":8,"totalVolume":334701,"shortRatio":0.3236},{"date":"2026-06-22","symbol":"ALSN","shortVolume":72589,"shortExemptVolume":3,"totalVolume":243486,"shortRatio":0.2981},{"date":"2026-06-23","symbol":"ALSN","shortVolume":102399,"shortExemptVolume":175,"totalVolume":326418,"shortRatio":0.3137},{"date":"2026-06-24","symbol":"ALSN","shortVolume":110812,"shortExemptVolume":0,"totalVolume":229825,"shortRatio":0.4822},{"date":"2026-06-25","symbol":"ALSN","shortVolume":81562,"shortExemptVolume":790,"totalVolume":202404,"shortRatio":0.403},{"date":"2026-06-26","symbol":"ALSN","shortVolume":127447,"shortExemptVolume":68,"totalVolume":299155,"shortRatio":0.426},{"date":"2026-06-29","symbol":"ALSN","shortVolume":133659,"shortExemptVolume":1203,"totalVolume":382630,"shortRatio":0.3493},{"date":"2026-06-30","symbol":"ALSN","shortVolume":84341,"shortExemptVolume":17,"totalVolume":374792,"shortRatio":0.225},{"date":"2026-07-01","symbol":"ALSN","shortVolume":501563,"shortExemptVolume":760,"totalVolume":1129040,"shortRatio":0.4442},{"date":"2026-07-02","symbol":"ALSN","shortVolume":595461,"shortExemptVolume":0,"totalVolume":1100145,"shortRatio":0.5413},{"date":"2026-07-06","symbol":"ALSN","shortVolume":276765,"shortExemptVolume":124,"totalVolume":430937,"shortRatio":0.6422},{"date":"2026-07-07","symbol":"ALSN","shortVolume":204445,"shortExemptVolume":0,"totalVolume":368850,"shortRatio":0.5543},{"date":"2026-07-08","symbol":"ALSN","shortVolume":257905,"shortExemptVolume":85,"totalVolume":340020,"shortRatio":0.7585},{"date":"2026-07-09","symbol":"ALSN","shortVolume":156078,"shortExemptVolume":10,"totalVolume":266463,"shortRatio":0.5857},{"date":"2026-07-10","symbol":"ALSN","shortVolume":130030,"shortExemptVolume":2,"totalVolume":185110,"shortRatio":0.7024},{"date":"2026-07-13","symbol":"ALSN","shortVolume":200823,"shortExemptVolume":404,"totalVolume":282323,"shortRatio":0.7113},{"date":"2026-07-14","symbol":"ALSN","shortVolume":145319,"shortExemptVolume":0,"totalVolume":210401,"shortRatio":0.6907},{"date":"2026-07-15","symbol":"ALSN","shortVolume":148128,"shortExemptVolume":0,"totalVolume":211511,"shortRatio":0.7003},{"date":"2026-07-16","symbol":"ALSN","shortVolume":195623,"shortExemptVolume":0,"totalVolume":256962,"shortRatio":0.7613},{"date":"2026-07-17","symbol":"ALSN","shortVolume":161938,"shortExemptVolume":0,"totalVolume":244044,"shortRatio":0.6636},{"date":"2026-07-20","symbol":"ALSN","shortVolume":142718,"shortExemptVolume":17,"totalVolume":359327,"shortRatio":0.3972},{"date":"2026-07-21","symbol":"ALSN","shortVolume":140389,"shortExemptVolume":5,"totalVolume":291334,"shortRatio":0.4819},{"date":"2026-07-22","symbol":"ALSN","shortVolume":170131,"shortExemptVolume":165,"totalVolume":365207,"shortRatio":0.4658},{"date":"2026-07-23","symbol":"ALSN","shortVolume":166220,"shortExemptVolume":0,"totalVolume":296211,"shortRatio":0.5612},{"date":"2026-07-24","symbol":"ALSN","shortVolume":162933,"shortExemptVolume":2,"totalVolume":320212,"shortRatio":0.5088},{"date":"2026-07-27","symbol":"ALSN","shortVolume":244914,"shortExemptVolume":0,"totalVolume":411006,"shortRatio":0.5959},{"date":"2026-07-28","symbol":"ALSN","shortVolume":238404,"shortExemptVolume":0,"totalVolume":409357,"shortRatio":0.5824},{"date":"2026-07-29","symbol":"ALSN","shortVolume":292462,"shortExemptVolume":129,"totalVolume":484834,"shortRatio":0.6032},{"date":"2026-07-30","symbol":"ALSN","shortVolume":225449,"shortExemptVolume":658,"totalVolume":382348,"shortRatio":0.5896},{"date":"2026-07-31","symbol":"ALSN","shortVolume":146861,"shortExemptVolume":101,"totalVolume":274888,"shortRatio":0.5343},{"date":"2026-08-03","symbol":"ALSN","shortVolume":177318,"shortExemptVolume":0,"totalVolume":399469,"shortRatio":0.4439},{"date":"2026-08-04","symbol":"ALSN","shortVolume":393222,"shortExemptVolume":0,"totalVolume":1036997,"shortRatio":0.3792},{"date":"2026-08-05","symbol":"ALSN","shortVolume":158739,"shortExemptVolume":0,"totalVolume":296465,"shortRatio":0.5354},{"date":"2026-08-06","symbol":"ALSN","shortVolume":115968,"shortExemptVolume":188,"totalVolume":215377,"shortRatio":0.5384},{"date":"2026-08-07","symbol":"ALSN","shortVolume":121314,"shortExemptVolume":0,"totalVolume":194328,"shortRatio":0.6243},{"date":"2026-08-10","symbol":"ALSN","shortVolume":183995,"shortExemptVolume":610,"totalVolume":369181,"shortRatio":0.4984},{"date":"2026-08-11","symbol":"ALSN","shortVolume":126181,"shortExemptVolume":0,"totalVolume":250569,"shortRatio":0.5036},{"date":"2026-08-12","symbol":"ALSN","shortVolume":105126,"shortExemptVolume":0,"totalVolume":184182,"shortRatio":0.5708},{"date":"2026-08-13","symbol":"ALSN","shortVolume":64778,"shortExemptVolume":393,"totalVolume":151156,"shortRatio":0.4286},{"date":"2026-08-14","symbol":"ALSN","shortVolume":124709,"shortExemptVolume":0,"totalVolume":260763,"shortRatio":0.4782},{"date":"2026-08-17","symbol":"ALSN","shortVolume":102247,"shortExemptVolume":184,"totalVolume":229029,"shortRatio":0.4464},{"date":"2026-08-18","symbol":"ALSN","shortVolume":166843,"shortExemptVolume":13,"totalVolume":255742,"shortRatio":0.6524},{"date":"2026-08-19","symbol":"ALSN","shortVolume":138520,"shortExemptVolume":6,"totalVolume":226366,"shortRatio":0.6119},{"date":"2026-08-20","symbol":"ALSN","shortVolume":305327,"shortExemptVolume":0,"totalVolume":433107,"shortRatio":0.705},{"date":"2026-08-21","symbol":"ALSN","shortVolume":326614,"shortExemptVolume":0,"totalVolume":468219,"shortRatio":0.6976},{"date":"2026-08-24","symbol":"ALSN","shortVolume":133264,"shortExemptVolume":2,"totalVolume":240741,"shortRatio":0.5536},{"date":"2026-08-25","symbol":"ALSN","shortVolume":196361,"shortExemptVolume":0,"totalVolume":350443,"shortRatio":0.5603},{"date":"2026-08-26","symbol":"ALSN","shortVolume":221721,"shortExemptVolume":600,"totalVolume":353657,"shortRatio":0.6269},{"date":"2026-08-27","symbol":"ALSN","shortVolume":217466,"shortExemptVolume":613,"totalVolume":310787,"shortRatio":0.6997},{"date":"2026-08-28","symbol":"ALSN","shortVolume":92106,"shortExemptVolume":0,"totalVolume":165360,"shortRatio":0.557},{"date":"2026-08-31","symbol":"ALSN","shortVolume":109423,"shortExemptVolume":0,"totalVolume":205650,"shortRatio":0.5321},{"date":"2026-09-01","symbol":"ALSN","shortVolume":114193,"shortExemptVolume":0,"totalVolume":205733,"shortRatio":0.5551},{"date":"2026-09-02","symbol":"ALSN","shortVolume":125191,"shortExemptVolume":0,"totalVolume":235694,"shortRatio":0.5312},{"date":"2026-09-03","symbol":"ALSN","shortVolume":102476,"shortExemptVolume":199,"totalVolume":202003,"shortRatio":0.5073},{"date":"2026-09-04","symbol":"ALSN","shortVolume":147282,"shortExemptVolume":3,"totalVolume":202322,"shortRatio":0.728},{"date":"2026-09-08","symbol":"ALSN","shortVolume":222035,"shortExemptVolume":3,"totalVolume":315537,"shortRatio":0.7037},{"date":"2026-09-09","symbol":"ALSN","shortVolume":178557,"shortExemptVolume":46,"totalVolume":269958,"shortRatio":0.6614},{"date":"2026-09-10","symbol":"ALSN","shortVolume":184376,"shortExemptVolume":0,"totalVolume":266302,"shortRatio":0.6924},{"date":"2026-09-11","symbol":"ALSN","shortVolume":90803,"shortExemptVolume":6,"totalVolume":157289,"shortRatio":0.5773},{"date":"2026-09-14","symbol":"ALSN","shortVolume":132098,"shortExemptVolume":1,"totalVolume":258466,"shortRatio":0.5111},{"date":"2026-09-15","symbol":"ALSN","shortVolume":112758,"shortExemptVolume":908,"totalVolume":213535,"shortRatio":0.5281},{"date":"2026-09-16","symbol":"ALSN","shortVolume":119434,"shortExemptVolume":0,"totalVolume":212419,"shortRatio":0.5623},{"date":"2026-09-17","symbol":"ALSN","shortVolume":145766,"shortExemptVolume":0,"totalVolume":253063,"shortRatio":0.576},{"date":"2026-09-18","symbol":"ALSN","shortVolume":128813,"shortExemptVolume":0,"totalVolume":250574,"shortRatio":0.5141},{"date":"2026-09-21","symbol":"ALSN","shortVolume":198943,"shortExemptVolume":7,"totalVolume":316914,"shortRatio":0.6278},{"date":"2026-09-22","symbol":"ALSN","shortVolume":194351,"shortExemptVolume":0,"totalVolume":432455,"shortRatio":0.4494},{"date":"2026-09-23","symbol":"ALSN","shortVolume":152889,"shortExemptVolume":0,"totalVolume":254288,"shortRatio":0.6012},{"date":"2026-09-24","symbol":"ALSN","shortVolume":196470,"shortExemptVolume":0,"totalVolume":285753,"shortRatio":0.6876},{"date":"2026-09-25","symbol":"ALSN","shortVolume":128062,"shortExemptVolume":0,"totalVolume":239137,"shortRatio":0.5355},{"date":"2026-09-28","symbol":"ALSN","shortVolume":104800,"shortExemptVolume":132,"totalVolume":170292,"shortRatio":0.6154},{"date":"2026-09-29","symbol":"ALSN","shortVolume":150176,"shortExemptVolume":0,"totalVolume":257449,"shortRatio":0.5833},{"date":"2026-09-30","symbol":"ALSN","shortVolume":198807,"shortExemptVolume":1672,"totalVolume":358815,"shortRatio":0.5541},{"date":"2026-10-01","symbol":"ALSN","shortVolume":212713,"shortExemptVolume":1,"totalVolume":302003,"shortRatio":0.7043},{"date":"2026-10-02","symbol":"ALSN","shortVolume":149973,"shortExemptVolume":100,"totalVolume":288249,"shortRatio":0.5203},{"date":"2026-10-05","symbol":"ALSN","shortVolume":181828,"shortExemptVolume":4,"totalVolume":273944,"shortRatio":0.6637},{"date":"2026-10-06","symbol":"ALSN","shortVolume":159768,"shortExemptVolume":7321,"totalVolume":362813,"shortRatio":0.4404},{"date":"2026-10-07","symbol":"ALSN","shortVolume":179884,"shortExemptVolume":3079,"totalVolume":261395,"shortRatio":0.6882},{"date":"2026-10-08","symbol":"ALSN","shortVolume":234651,"shortExemptVolume":800,"totalVolume":432040,"shortRatio":0.5431},{"date":"2026-10-09","symbol":"ALSN","shortVolume":187801,"shortExemptVolume":6889,"totalVolume":316850,"shortRatio":0.5927},{"date":"2026-10-12","symbol":"ALSN","shortVolume":146119,"shortExemptVolume":1772,"totalVolume":237216,"shortRatio":0.616},{"date":"2026-10-13","symbol":"ALSN","shortVolume":98088,"shortExemptVolume":8,"totalVolume":167633,"shortRatio":0.5851},{"date":"2026-10-14","symbol":"ALSN","shortVolume":136502,"shortExemptVolume":2764,"totalVolume":215430,"shortRatio":0.6336}],"updatedAt":"2026-10-15T02:36:16.232Z","source":"xoomar.com","docs":"https://xoomar.com/markets/api","license":"https://xoomar.com/terms","attribution":"Credit XOOMAR with a link to the dataset page on xoomar.com when you republish this data","meta":{"source":"FINRA","sourceAttribution":"Short sale volume data: FINRA. FINRA is the owner and source of this data.","notice":"10 requests a minute without a key, 30 with a free key. Get a free key at https://xoomar.com/signup?utm_source=api, register your app at https://xoomar.com/developers/register?utm_source=api, and credit the data as \"Data: XOOMAR\" together with the sourceAttribution line."}}