{"data":[{"date":"2026-04-13","symbol":"OPK","shortVolume":380509,"shortExemptVolume":350,"totalVolume":908252,"shortRatio":0.4189},{"date":"2026-04-14","symbol":"OPK","shortVolume":315503,"shortExemptVolume":0,"totalVolume":575921,"shortRatio":0.5478},{"date":"2026-04-15","symbol":"OPK","shortVolume":311782,"shortExemptVolume":1133,"totalVolume":453404,"shortRatio":0.6876},{"date":"2026-04-16","symbol":"OPK","shortVolume":465635,"shortExemptVolume":9776,"totalVolume":1245127,"shortRatio":0.374},{"date":"2026-04-17","symbol":"OPK","shortVolume":227962,"shortExemptVolume":0,"totalVolume":615308,"shortRatio":0.3705},{"date":"2026-04-20","symbol":"OPK","shortVolume":187947,"shortExemptVolume":270,"totalVolume":477671,"shortRatio":0.3935},{"date":"2026-04-21","symbol":"OPK","shortVolume":253649,"shortExemptVolume":0,"totalVolume":544863,"shortRatio":0.4655},{"date":"2026-04-22","symbol":"OPK","shortVolume":410028,"shortExemptVolume":53815,"totalVolume":765569,"shortRatio":0.5356},{"date":"2026-04-23","symbol":"OPK","shortVolume":471991,"shortExemptVolume":0,"totalVolume":919742,"shortRatio":0.5132},{"date":"2026-04-24","symbol":"OPK","shortVolume":366041,"shortExemptVolume":2100,"totalVolume":751048,"shortRatio":0.4874},{"date":"2026-04-27","symbol":"OPK","shortVolume":230127,"shortExemptVolume":0,"totalVolume":466813,"shortRatio":0.493},{"date":"2026-04-28","symbol":"OPK","shortVolume":284063,"shortExemptVolume":16444,"totalVolume":549442,"shortRatio":0.517},{"date":"2026-04-29","symbol":"OPK","shortVolume":3667288,"shortExemptVolume":382221,"totalVolume":6353728,"shortRatio":0.5772},{"date":"2026-04-30","symbol":"OPK","shortVolume":884845,"shortExemptVolume":30445,"totalVolume":1210873,"shortRatio":0.7307},{"date":"2026-05-01","symbol":"OPK","shortVolume":450579,"shortExemptVolume":2506,"totalVolume":1001398,"shortRatio":0.4499},{"date":"2026-05-04","symbol":"OPK","shortVolume":599049,"shortExemptVolume":2301,"totalVolume":884554,"shortRatio":0.6772},{"date":"2026-05-05","symbol":"OPK","shortVolume":517460,"shortExemptVolume":0,"totalVolume":778170,"shortRatio":0.665},{"date":"2026-05-06","symbol":"OPK","shortVolume":422531,"shortExemptVolume":1599,"totalVolume":756234,"shortRatio":0.5587},{"date":"2026-05-07","symbol":"OPK","shortVolume":545225,"shortExemptVolume":5474,"totalVolume":985249,"shortRatio":0.5534},{"date":"2026-05-08","symbol":"OPK","shortVolume":532215,"shortExemptVolume":1500,"totalVolume":1127254,"shortRatio":0.4721},{"date":"2026-05-11","symbol":"OPK","shortVolume":430613,"shortExemptVolume":5200,"totalVolume":874897,"shortRatio":0.4922},{"date":"2026-05-12","symbol":"OPK","shortVolume":337035,"shortExemptVolume":1572,"totalVolume":796709,"shortRatio":0.423},{"date":"2026-05-13","symbol":"OPK","shortVolume":176153,"shortExemptVolume":1173,"totalVolume":764791,"shortRatio":0.2303},{"date":"2026-05-14","symbol":"OPK","shortVolume":343554,"shortExemptVolume":6407,"totalVolume":835454,"shortRatio":0.4112},{"date":"2026-05-15","symbol":"OPK","shortVolume":711804,"shortExemptVolume":0,"totalVolume":1092560,"shortRatio":0.6515},{"date":"2026-05-18","symbol":"OPK","shortVolume":583140,"shortExemptVolume":4398,"totalVolume":1031736,"shortRatio":0.5652},{"date":"2026-05-19","symbol":"OPK","shortVolume":510863,"shortExemptVolume":3755,"totalVolume":1092896,"shortRatio":0.4674},{"date":"2026-05-20","symbol":"OPK","shortVolume":403539,"shortExemptVolume":400,"totalVolume":1148755,"shortRatio":0.3513},{"date":"2026-05-21","symbol":"OPK","shortVolume":329398,"shortExemptVolume":2300,"totalVolume":998241,"shortRatio":0.33},{"date":"2026-05-22","symbol":"OPK","shortVolume":708598,"shortExemptVolume":2578,"totalVolume":1264590,"shortRatio":0.5603},{"date":"2026-05-26","symbol":"OPK","shortVolume":429868,"shortExemptVolume":8162,"totalVolume":1172901,"shortRatio":0.3665},{"date":"2026-05-27","symbol":"OPK","shortVolume":286281,"shortExemptVolume":20,"totalVolume":782764,"shortRatio":0.3657},{"date":"2026-05-28","symbol":"OPK","shortVolume":733591,"shortExemptVolume":1027,"totalVolume":2268553,"shortRatio":0.3234},{"date":"2026-05-29","symbol":"OPK","shortVolume":443581,"shortExemptVolume":0,"totalVolume":931314,"shortRatio":0.4763},{"date":"2026-06-01","symbol":"OPK","shortVolume":675056,"shortExemptVolume":1504,"totalVolume":1514280,"shortRatio":0.4458},{"date":"2026-06-02","symbol":"OPK","shortVolume":588810,"shortExemptVolume":15991,"totalVolume":1638226,"shortRatio":0.3594},{"date":"2026-06-03","symbol":"OPK","shortVolume":810101,"shortExemptVolume":8927,"totalVolume":1769013,"shortRatio":0.4579},{"date":"2026-06-04","symbol":"OPK","shortVolume":495703,"shortExemptVolume":3869,"totalVolume":1125952,"shortRatio":0.4403},{"date":"2026-06-05","symbol":"OPK","shortVolume":432175,"shortExemptVolume":5281,"totalVolume":1495975,"shortRatio":0.2889},{"date":"2026-06-08","symbol":"OPK","shortVolume":323154,"shortExemptVolume":3383,"totalVolume":814095,"shortRatio":0.3969},{"date":"2026-06-09","symbol":"OPK","shortVolume":251279,"shortExemptVolume":1856,"totalVolume":721486,"shortRatio":0.3483},{"date":"2026-06-10","symbol":"OPK","shortVolume":364972,"shortExemptVolume":0,"totalVolume":804185,"shortRatio":0.4538},{"date":"2026-06-11","symbol":"OPK","shortVolume":310733,"shortExemptVolume":8533,"totalVolume":888391,"shortRatio":0.3498},{"date":"2026-06-12","symbol":"OPK","shortVolume":242131,"shortExemptVolume":6028,"totalVolume":675688,"shortRatio":0.3583},{"date":"2026-06-15","symbol":"OPK","shortVolume":390583,"shortExemptVolume":4815,"totalVolume":959345,"shortRatio":0.4071},{"date":"2026-06-16","symbol":"OPK","shortVolume":355486,"shortExemptVolume":854,"totalVolume":717247,"shortRatio":0.4956},{"date":"2026-06-17","symbol":"OPK","shortVolume":341792,"shortExemptVolume":30000,"totalVolume":723078,"shortRatio":0.4727},{"date":"2026-06-18","symbol":"OPK","shortVolume":270142,"shortExemptVolume":10,"totalVolume":804965,"shortRatio":0.3356},{"date":"2026-06-22","symbol":"OPK","shortVolume":682650,"shortExemptVolume":2000,"totalVolume":1288009,"shortRatio":0.53},{"date":"2026-06-23","symbol":"OPK","shortVolume":494759,"shortExemptVolume":5024,"totalVolume":1056050,"shortRatio":0.4685},{"date":"2026-06-24","symbol":"OPK","shortVolume":307740,"shortExemptVolume":2250,"totalVolume":928331,"shortRatio":0.3315},{"date":"2026-06-25","symbol":"OPK","shortVolume":288300,"shortExemptVolume":11281,"totalVolume":601588,"shortRatio":0.4792},{"date":"2026-06-26","symbol":"OPK","shortVolume":864497,"shortExemptVolume":34344,"totalVolume":1880724,"shortRatio":0.4597},{"date":"2026-06-29","symbol":"OPK","shortVolume":802494,"shortExemptVolume":27054,"totalVolume":1895088,"shortRatio":0.4235},{"date":"2026-06-30","symbol":"OPK","shortVolume":236068,"shortExemptVolume":6611,"totalVolume":806061,"shortRatio":0.2929},{"date":"2026-07-01","symbol":"OPK","shortVolume":673646,"shortExemptVolume":4709,"totalVolume":1312043,"shortRatio":0.5134},{"date":"2026-07-02","symbol":"OPK","shortVolume":430432,"shortExemptVolume":390,"totalVolume":866978,"shortRatio":0.4965},{"date":"2026-07-06","symbol":"OPK","shortVolume":444735,"shortExemptVolume":4836,"totalVolume":871906,"shortRatio":0.5101},{"date":"2026-07-07","symbol":"OPK","shortVolume":498038,"shortExemptVolume":0,"totalVolume":1045723,"shortRatio":0.4763},{"date":"2026-07-08","symbol":"OPK","shortVolume":421584,"shortExemptVolume":6540,"totalVolume":965674,"shortRatio":0.4366},{"date":"2026-07-09","symbol":"OPK","shortVolume":496899,"shortExemptVolume":35738,"totalVolume":1846666,"shortRatio":0.2691},{"date":"2026-07-10","symbol":"OPK","shortVolume":579899,"shortExemptVolume":28060,"totalVolume":1098826,"shortRatio":0.5277},{"date":"2026-07-13","symbol":"OPK","shortVolume":1284002,"shortExemptVolume":153,"totalVolume":2688478,"shortRatio":0.4776},{"date":"2026-07-14","symbol":"OPK","shortVolume":549914,"shortExemptVolume":0,"totalVolume":1289500,"shortRatio":0.4265},{"date":"2026-07-15","symbol":"OPK","shortVolume":409607,"shortExemptVolume":22578,"totalVolume":829969,"shortRatio":0.4935},{"date":"2026-07-16","symbol":"OPK","shortVolume":657789,"shortExemptVolume":926,"totalVolume":1729571,"shortRatio":0.3803},{"date":"2026-07-17","symbol":"OPK","shortVolume":311411,"shortExemptVolume":5128,"totalVolume":781024,"shortRatio":0.3987},{"date":"2026-07-20","symbol":"OPK","shortVolume":933609,"shortExemptVolume":2520,"totalVolume":1572067,"shortRatio":0.5939},{"date":"2026-07-21","symbol":"OPK","shortVolume":513793,"shortExemptVolume":400,"totalVolume":1079907,"shortRatio":0.4758},{"date":"2026-07-22","symbol":"OPK","shortVolume":736548,"shortExemptVolume":163,"totalVolume":1579071,"shortRatio":0.4664},{"date":"2026-07-23","symbol":"OPK","shortVolume":588740,"shortExemptVolume":12006,"totalVolume":1468591,"shortRatio":0.4009},{"date":"2026-07-24","symbol":"OPK","shortVolume":562363,"shortExemptVolume":320,"totalVolume":1187054,"shortRatio":0.4737},{"date":"2026-07-27","symbol":"OPK","shortVolume":606842,"shortExemptVolume":950,"totalVolume":1403882,"shortRatio":0.4323},{"date":"2026-07-28","symbol":"OPK","shortVolume":6347822,"shortExemptVolume":214176,"totalVolume":19356180,"shortRatio":0.3279},{"date":"2026-07-29","symbol":"OPK","shortVolume":1121670,"shortExemptVolume":87195,"totalVolume":3679795,"shortRatio":0.3048},{"date":"2026-07-30","symbol":"OPK","shortVolume":635016,"shortExemptVolume":46914,"totalVolume":1437717,"shortRatio":0.4417},{"date":"2026-07-31","symbol":"OPK","shortVolume":512820,"shortExemptVolume":0,"totalVolume":1151914,"shortRatio":0.4452},{"date":"2026-08-03","symbol":"OPK","shortVolume":1174415,"shortExemptVolume":18150,"totalVolume":2040866,"shortRatio":0.5754},{"date":"2026-08-04","symbol":"OPK","shortVolume":631437,"shortExemptVolume":0,"totalVolume":1521552,"shortRatio":0.415},{"date":"2026-08-05","symbol":"OPK","shortVolume":603734,"shortExemptVolume":500,"totalVolume":1056529,"shortRatio":0.5714},{"date":"2026-08-06","symbol":"OPK","shortVolume":385051,"shortExemptVolume":1146,"totalVolume":1050256,"shortRatio":0.3666},{"date":"2026-08-07","symbol":"OPK","shortVolume":421700,"shortExemptVolume":27190,"totalVolume":1173001,"shortRatio":0.3595},{"date":"2026-08-10","symbol":"OPK","shortVolume":534546,"shortExemptVolume":0,"totalVolume":1018895,"shortRatio":0.5246},{"date":"2026-08-11","symbol":"OPK","shortVolume":285736,"shortExemptVolume":5001,"totalVolume":826495,"shortRatio":0.3457},{"date":"2026-08-12","symbol":"OPK","shortVolume":299835,"shortExemptVolume":2,"totalVolume":667461,"shortRatio":0.4492},{"date":"2026-08-13","symbol":"OPK","shortVolume":324468,"shortExemptVolume":300,"totalVolume":702769,"shortRatio":0.4617},{"date":"2026-08-14","symbol":"OPK","shortVolume":500460,"shortExemptVolume":0,"totalVolume":1353110,"shortRatio":0.3699},{"date":"2026-08-17","symbol":"OPK","shortVolume":406092,"shortExemptVolume":389,"totalVolume":1369281,"shortRatio":0.2966},{"date":"2026-08-18","symbol":"OPK","shortVolume":364188,"shortExemptVolume":0,"totalVolume":751140,"shortRatio":0.4848},{"date":"2026-08-19","symbol":"OPK","shortVolume":681921,"shortExemptVolume":9190,"totalVolume":1433289,"shortRatio":0.4758},{"date":"2026-08-20","symbol":"OPK","shortVolume":425280,"shortExemptVolume":5000,"totalVolume":902500,"shortRatio":0.4712},{"date":"2026-08-21","symbol":"OPK","shortVolume":347718,"shortExemptVolume":0,"totalVolume":1022320,"shortRatio":0.3401},{"date":"2026-08-24","symbol":"OPK","shortVolume":300529,"shortExemptVolume":0,"totalVolume":800905,"shortRatio":0.3752},{"date":"2026-08-25","symbol":"OPK","shortVolume":457291,"shortExemptVolume":845,"totalVolume":1181187,"shortRatio":0.3871},{"date":"2026-08-26","symbol":"OPK","shortVolume":437441,"shortExemptVolume":1244,"totalVolume":1224019,"shortRatio":0.3574},{"date":"2026-08-27","symbol":"OPK","shortVolume":438801,"shortExemptVolume":2247,"totalVolume":1302211,"shortRatio":0.337},{"date":"2026-08-28","symbol":"OPK","shortVolume":500606,"shortExemptVolume":2034,"totalVolume":1080589,"shortRatio":0.4633},{"date":"2026-08-31","symbol":"OPK","shortVolume":560155,"shortExemptVolume":2304,"totalVolume":1075680,"shortRatio":0.5207},{"date":"2026-09-01","symbol":"OPK","shortVolume":654108,"shortExemptVolume":1390,"totalVolume":1103230,"shortRatio":0.5929},{"date":"2026-09-02","symbol":"OPK","shortVolume":1775961,"shortExemptVolume":444,"totalVolume":3033033,"shortRatio":0.5855},{"date":"2026-09-03","symbol":"OPK","shortVolume":1175164,"shortExemptVolume":1665,"totalVolume":3041813,"shortRatio":0.3863},{"date":"2026-09-04","symbol":"OPK","shortVolume":481056,"shortExemptVolume":1300,"totalVolume":817948,"shortRatio":0.5881},{"date":"2026-09-08","symbol":"OPK","shortVolume":491292,"shortExemptVolume":4307,"totalVolume":955548,"shortRatio":0.5141},{"date":"2026-09-09","symbol":"OPK","shortVolume":337143,"shortExemptVolume":4688,"totalVolume":714604,"shortRatio":0.4718},{"date":"2026-09-10","symbol":"OPK","shortVolume":382132,"shortExemptVolume":3365,"totalVolume":640061,"shortRatio":0.597},{"date":"2026-09-11","symbol":"OPK","shortVolume":934708,"shortExemptVolume":910,"totalVolume":2062336,"shortRatio":0.4532},{"date":"2026-09-14","symbol":"OPK","shortVolume":571244,"shortExemptVolume":67548,"totalVolume":969000,"shortRatio":0.5895},{"date":"2026-09-15","symbol":"OPK","shortVolume":211528,"shortExemptVolume":2457,"totalVolume":521363,"shortRatio":0.4057},{"date":"2026-09-16","symbol":"OPK","shortVolume":356097,"shortExemptVolume":301,"totalVolume":763925,"shortRatio":0.4661},{"date":"2026-09-17","symbol":"OPK","shortVolume":353843,"shortExemptVolume":839,"totalVolume":627476,"shortRatio":0.5639},{"date":"2026-09-18","symbol":"OPK","shortVolume":571062,"shortExemptVolume":77730,"totalVolume":1035200,"shortRatio":0.5516},{"date":"2026-09-21","symbol":"OPK","shortVolume":325085,"shortExemptVolume":1243,"totalVolume":983799,"shortRatio":0.3304},{"date":"2026-09-22","symbol":"OPK","shortVolume":562100,"shortExemptVolume":22187,"totalVolume":1572100,"shortRatio":0.3575},{"date":"2026-09-23","symbol":"OPK","shortVolume":366310,"shortExemptVolume":56602,"totalVolume":718810,"shortRatio":0.5096},{"date":"2026-09-24","symbol":"OPK","shortVolume":440428,"shortExemptVolume":5384,"totalVolume":1244654,"shortRatio":0.3539},{"date":"2026-09-25","symbol":"OPK","shortVolume":203880,"shortExemptVolume":863,"totalVolume":662347,"shortRatio":0.3078},{"date":"2026-09-28","symbol":"OPK","shortVolume":213041,"shortExemptVolume":23814,"totalVolume":658937,"shortRatio":0.3233},{"date":"2026-09-29","symbol":"OPK","shortVolume":365604,"shortExemptVolume":3150,"totalVolume":809168,"shortRatio":0.4518},{"date":"2026-09-30","symbol":"OPK","shortVolume":348076,"shortExemptVolume":501,"totalVolume":982594,"shortRatio":0.3542},{"date":"2026-10-01","symbol":"OPK","shortVolume":559571,"shortExemptVolume":300,"totalVolume":1128441,"shortRatio":0.4959},{"date":"2026-10-02","symbol":"OPK","shortVolume":368597,"shortExemptVolume":1000,"totalVolume":628933,"shortRatio":0.5861},{"date":"2026-10-05","symbol":"OPK","shortVolume":372245,"shortExemptVolume":200,"totalVolume":745241,"shortRatio":0.4995},{"date":"2026-10-06","symbol":"OPK","shortVolume":456519,"shortExemptVolume":12279,"totalVolume":1032209,"shortRatio":0.4423},{"date":"2026-10-07","symbol":"OPK","shortVolume":259376,"shortExemptVolume":4900,"totalVolume":860510,"shortRatio":0.3014},{"date":"2026-10-08","symbol":"OPK","shortVolume":418471,"shortExemptVolume":16400,"totalVolume":863150,"shortRatio":0.4848},{"date":"2026-10-09","symbol":"OPK","shortVolume":115632,"shortExemptVolume":0,"totalVolume":412712,"shortRatio":0.2802},{"date":"2026-10-12","symbol":"OPK","shortVolume":210902,"shortExemptVolume":3,"totalVolume":500423,"shortRatio":0.4214}],"updatedAt":"2026-10-13T04:32:01.174Z","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."}}