Historic Short Interest:
You can go to this link to check short interest in a stock:
http://nasdaqtrader.com/Trader.aspx?id=ShortInterest
Publication schedule is here:
http://nasdaqtrader.com/Trader.aspx?id=ShortIntPubSch
Settlement Date Short Interest Percent Change Average Daily Share Volume Days to Cover
06/15/2021 15,606,132 (2.97) 4,133,920 3.78
05/28/2021 16,084,404 (11.74) 1,975,283 8.14
05/14/2021 18,224,584 (0.29) 3,208,748 5.68
04/30/2021 18,277,246 (7.17) 2,688,159 6.80
04/15/2021 19,688,699 (7.56) 3,316,031 5.94
03/31/2021 21,298,160 (15.24) 4,601,194 4.63
03/15/2021 25,126,126 (1.47) 4,884,909 5.14
02/26/2021 25,500,922 (3.23) 7,116,615 3.58
02/12/2021 26,352,568 (4.01) 8,612,303 3.06
01/29/2021 27,453,386 (4.73) 7,193,325 3.82
01/15/2021 28,817,129 0.49 5,274,272 5.46
12/31/2020 28,675,599 20.84 5,040,993 5.69
12/15/2020 23,730,064 0.79 5,157,773 4.60
11/30/2020 23,543,896 (6.18) 4,207,173 5.60
11/13/2020 25,095,299 (6.10) 5,145,547 4.88
10/30/2020 26,725,097 7.62 10,055,146 2.66
10/15/2020 24,831,748 12.02 6,340,540 3.92
09/30/2020 22,166,741 141.79 8,619,035 2.57
09/15/2020 9,167,693 12.37 15,663,814 1.00
08/31/2020 8,158,475 (10.01) 972,986 8.38
08/14/2020 9,065,803 (5.28) 954,760 9.50
07/31/2020 9,571,518 (1.70) 734,079 13.04
07/15/2020 9,737,356 1.00 1,218,888 7.99
06/30/2020 9,641,252 61.40 1,937,554 4.98
06/15/2020 5,973,562 18.54 1,165,721 5.12
05/29/2020 5,039,409 (21.29) 1,014,751 4.97
05/15/2020 6,402,203 (16.02) 3,532,134 1.81
04/30/2020 7,623,059 3.81 746,700 10.21
04/15/2020 7,343,578 8.37 890,711 8.24
03/31/2020 6,776,645 (6.55) 1,423,097 4.76
03/13/2020 7,251,762 (2.38) 1,737,624 4.17
02/28/2020 7,428,762 (5.55) 1,760,016 4.22
02/14/2020 7,865,192 (9.56) 1,168,402 6.73
01/31/2020 8,696,150 (6.94) 1,279,885 6.79
01/15/2020 9,344,280 (5.07) 896,753 10.42
