BIYW39

ISHARES US TECHNOLOGY ETF

R$ 36,77
0,00% no dia

No mês

-2,21%

No ano

+16,62%

12 meses

+31,32%

Desde 11/2020

-26,08%

Histórico diário a partir de 08/09/2025, do arquivo público da B3 (COTAHIST) mais o pregão do dia. Cotações com atraso (fim de dia).

Histórico diário (234)

DataAberturaMínimaMáximaFechamentoDiaVolume
04/09/2026R$ 36,48R$ 36,48R$ 36,80R$ 36,770,00%9.867
03/09/2026R$ 36,48R$ 36,48R$ 36,80R$ 36,77+1,27%9.867
02/09/2026R$ 36,44R$ 36,25R$ 36,44R$ 36,31-0,36%986
01/09/2026R$ 37,95R$ 36,38R$ 37,95R$ 36,44-3,09%2.030
28/08/2026R$ 37,60R$ 37,60R$ 37,60R$ 37,60+0,37%22
27/08/2026R$ 37,10R$ 37,10R$ 37,46R$ 37,46+2,83%710
26/08/2026R$ 36,32R$ 36,27R$ 36,43R$ 36,43+0,77%10.909
25/08/2026R$ 36,30R$ 36,15R$ 36,31R$ 36,15+0,14%29
24/08/2026R$ 36,33R$ 35,89R$ 36,33R$ 36,10-0,66%7.058
21/08/2026R$ 36,46R$ 36,34R$ 36,46R$ 36,34-1,03%277
20/08/2026R$ 36,75R$ 36,72R$ 36,75R$ 36,72-0,08%49
19/08/2026R$ 36,71R$ 36,44R$ 36,78R$ 36,75-0,81%9.663
18/08/2026R$ 37,95R$ 37,05R$ 37,95R$ 37,05-2,37%323
17/08/2026R$ 37,92R$ 37,92R$ 37,95R$ 37,95-0,76%70
14/08/2026R$ 38,24R$ 38,10R$ 38,24R$ 38,24+0,37%2.392
13/08/2026R$ 37,52R$ 37,52R$ 38,10R$ 38,10+2,09%325
12/08/2026R$ 37,35R$ 37,32R$ 37,35R$ 37,32+0,32%1.701
11/08/2026R$ 37,23R$ 37,20R$ 37,23R$ 37,20+0,62%3
10/08/2026R$ 36,89R$ 36,89R$ 36,98R$ 36,97+0,22%6.731
07/08/2026R$ 36,84R$ 36,84R$ 36,93R$ 36,89+0,79%2.464
06/08/2026R$ 36,60R$ 36,60R$ 36,60R$ 36,60-1,00%2
05/08/2026R$ 37,24R$ 36,96R$ 37,35R$ 36,97-0,73%3.981
04/08/2026R$ 36,48R$ 36,48R$ 37,38R$ 37,24+4,75%11.449
03/08/2026R$ 34,89R$ 34,89R$ 35,58R$ 35,55+2,69%10.072
31/07/2026R$ 34,60R$ 34,60R$ 34,62R$ 34,62+0,99%58
30/07/2026R$ 34,28R$ 34,28R$ 34,28R$ 34,28+2,18%2.000
29/07/2026R$ 33,76R$ 33,55R$ 33,91R$ 33,55-1,21%52
28/07/2026R$ 34,16R$ 33,96R$ 34,16R$ 33,96-1,14%5.227
27/07/2026R$ 34,11R$ 34,03R$ 34,38R$ 34,35+0,29%343
24/07/2026R$ 34,26R$ 34,25R$ 34,26R$ 34,25-1,24%6.313
23/07/2026R$ 34,93R$ 34,56R$ 34,93R$ 34,68-1,78%6.423
22/07/2026R$ 35,31R$ 35,31R$ 35,31R$ 35,31-0,25%150
21/07/2026R$ 35,38R$ 35,38R$ 35,40R$ 35,40+0,94%28
20/07/2026R$ 35,15R$ 35,03R$ 35,28R$ 35,07+0,40%158
17/07/2026R$ 35,04R$ 34,93R$ 35,04R$ 34,93-1,80%1.941
16/07/2026R$ 35,96R$ 35,57R$ 35,96R$ 35,57-1,28%115
15/07/2026R$ 36,50R$ 35,88R$ 36,50R$ 36,03+0,08%67
14/07/2026R$ 36,00R$ 36,00R$ 36,03R$ 36,00+0,25%2.302
13/07/2026R$ 35,91R$ 35,91R$ 35,91R$ 35,91-1,54%8
10/07/2026R$ 36,35R$ 36,32R$ 36,47R$ 36,47+0,58%72
09/07/2026R$ 36,26R$ 36,26R$ 36,26R$ 36,26+1,03%1.476
08/07/2026R$ 35,52R$ 35,52R$ 35,89R$ 35,89-0,03%925
07/07/2026R$ 35,83R$ 35,36R$ 36,00R$ 35,90-1,51%203
06/07/2026R$ 36,56R$ 36,24R$ 36,68R$ 36,45-0,30%10.127
03/07/2026R$ 35,89R$ 35,89R$ 36,56R$ 36,56+2,73%3.920
02/07/2026R$ 36,33R$ 35,59R$ 36,85R$ 35,59-4,02%19.254
01/07/2026R$ 37,23R$ 37,08R$ 37,23R$ 37,08-0,40%529
30/06/2026R$ 37,01R$ 36,99R$ 37,34R$ 37,23+2,36%7.774
29/06/2026R$ 36,37R$ 36,37R$ 36,37R$ 36,37+1,91%1.200
26/06/2026R$ 35,60R$ 35,59R$ 35,72R$ 35,69-0,86%720
25/06/2026R$ 36,52R$ 35,78R$ 36,52R$ 36,00+0,67%9.245
24/06/2026R$ 35,39R$ 35,39R$ 36,59R$ 35,76-1,00%635
23/06/2026R$ 36,15R$ 36,12R$ 36,50R$ 36,12-3,01%1.782
22/06/2026R$ 37,85R$ 37,01R$ 37,85R$ 37,24-1,61%5.888
19/06/2026R$ 37,28R$ 37,28R$ 37,85R$ 37,85+0,48%607
18/06/2026R$ 37,01R$ 37,01R$ 37,67R$ 37,67+4,58%1.519
17/06/2026R$ 36,34R$ 36,00R$ 36,47R$ 36,02-0,88%3.756
16/06/2026R$ 36,34R$ 36,34R$ 36,34R$ 36,34+2,37%1.600
12/06/2026R$ 35,29R$ 35,29R$ 35,74R$ 35,50+0,60%5.027
11/06/2026R$ 35,13R$ 34,94R$ 35,48R$ 35,29+0,31%13.961
10/06/2026R$ 35,18R$ 35,18R$ 35,18R$ 35,18+0,80%171
09/06/2026R$ 36,44R$ 34,90R$ 36,44R$ 34,90-3,88%149
08/06/2026R$ 36,12R$ 36,08R$ 36,61R$ 36,31+0,95%3.639
05/06/2026R$ 36,37R$ 35,85R$ 36,37R$ 35,97-3,77%401
03/06/2026R$ 37,58R$ 37,20R$ 37,58R$ 37,38+0,35%16.494
02/06/2026R$ 36,99R$ 36,89R$ 37,28R$ 37,25+0,70%10.798
01/06/2026R$ 36,68R$ 36,68R$ 36,99R$ 36,99+0,98%12.199
29/05/2026R$ 36,43R$ 36,43R$ 36,68R$ 36,63+2,26%1.362
28/05/2026R$ 35,65R$ 35,65R$ 35,92R$ 35,82+0,84%39.661
27/05/2026R$ 35,49R$ 35,49R$ 35,67R$ 35,52+0,08%214
26/05/2026R$ 34,87R$ 34,87R$ 35,49R$ 35,49+2,34%73
25/05/2026R$ 34,70R$ 34,68R$ 34,70R$ 34,680,00%20
22/05/2026R$ 34,60R$ 34,60R$ 34,96R$ 34,68+1,37%262
21/05/2026R$ 34,17R$ 34,06R$ 34,26R$ 34,21+0,47%679
20/05/2026R$ 34,06R$ 34,05R$ 34,06R$ 34,05+0,62%35
19/05/2026R$ 34,00R$ 33,79R$ 34,00R$ 33,84+0,18%315
18/05/2026R$ 34,23R$ 33,43R$ 34,23R$ 33,78-2,45%1.070
15/05/2026R$ 34,50R$ 34,50R$ 34,86R$ 34,63+3,37%4.970
14/05/2026R$ 33,50R$ 33,50R$ 33,50R$ 33,50-0,12%1.200
13/05/2026R$ 33,54R$ 33,54R$ 33,54R$ 33,54+1,54%11
12/05/2026R$ 33,15R$ 32,74R$ 33,15R$ 33,03-1,61%10.621
11/05/2026R$ 33,50R$ 33,50R$ 33,57R$ 33,57+0,81%22
08/05/2026R$ 33,04R$ 33,04R$ 33,30R$ 33,30+2,46%492
06/05/2026R$ 32,07R$ 32,07R$ 32,50R$ 32,50+2,98%3.946
05/05/2026R$ 31,35R$ 31,35R$ 31,56R$ 31,56+0,67%85
04/05/2026R$ 31,27R$ 31,26R$ 31,35R$ 31,35+2,35%12.174
29/04/2026R$ 30,67R$ 30,63R$ 30,67R$ 30,63+0,59%6
28/04/2026R$ 30,51R$ 30,45R$ 30,53R$ 30,45-1,58%12
27/04/2026R$ 30,94R$ 30,94R$ 30,94R$ 30,94+1,11%28
24/04/2026R$ 30,65R$ 30,60R$ 30,65R$ 30,60+2,00%12
23/04/2026R$ 30,00R$ 30,00R$ 30,00R$ 30,00-0,79%2
22/04/2026R$ 29,92R$ 29,92R$ 30,24R$ 30,24+1,72%101
20/04/2026R$ 29,89R$ 29,73R$ 29,89R$ 29,730,00%318
17/04/2026R$ 29,73R$ 29,73R$ 29,73R$ 29,73+1,64%5
16/04/2026R$ 29,25R$ 29,25R$ 29,25R$ 29,25+0,21%100
15/04/2026R$ 29,00R$ 28,95R$ 29,19R$ 29,19+2,64%186
14/04/2026R$ 28,44R$ 28,44R$ 28,44R$ 28,44+1,28%10
13/04/2026R$ 28,06R$ 28,06R$ 28,08R$ 28,08+0,83%3
10/04/2026R$ 27,90R$ 27,81R$ 27,90R$ 27,85-0,82%4.728
08/04/2026R$ 27,99R$ 27,99R$ 28,20R$ 28,08+2,74%7.004
07/04/2026R$ 27,37R$ 27,33R$ 27,37R$ 27,33-0,55%2
06/04/2026R$ 27,50R$ 27,36R$ 27,50R$ 27,48+0,96%8.990
01/04/2026R$ 27,24R$ 27,22R$ 27,24R$ 27,22+3,07%18
31/03/2026R$ 26,41R$ 26,41R$ 26,41R$ 26,41+1,03%2
30/03/2026R$ 26,37R$ 26,14R$ 26,37R$ 26,14-0,87%43
27/03/2026R$ 26,37R$ 26,37R$ 26,37R$ 26,37-3,83%94
26/03/2026R$ 27,42R$ 27,42R$ 27,42R$ 27,42-1,54%25
24/03/2026R$ 27,92R$ 27,81R$ 27,92R$ 27,85-2,49%30
20/03/2026R$ 28,56R$ 28,56R$ 28,56R$ 28,56+1,03%1
18/03/2026R$ 28,10R$ 28,10R$ 28,37R$ 28,27+0,57%44
16/03/2026R$ 28,64R$ 28,11R$ 28,64R$ 28,11-0,88%35
13/03/2026R$ 28,58R$ 28,35R$ 28,58R$ 28,36-0,11%4.409
12/03/2026R$ 28,32R$ 28,27R$ 28,39R$ 28,390,00%9.464
11/03/2026R$ 28,26R$ 28,26R$ 28,39R$ 28,39+0,57%7
10/03/2026R$ 28,24R$ 28,23R$ 28,33R$ 28,23-0,28%8.557
09/03/2026R$ 28,62R$ 27,84R$ 28,62R$ 28,31-1,08%11.116
06/03/2026R$ 28,62R$ 28,62R$ 28,62R$ 28,620,00%1
05/03/2026R$ 28,88R$ 28,62R$ 28,88R$ 28,62-0,10%21
04/03/2026R$ 28,40R$ 28,40R$ 28,65R$ 28,65+0,84%12.173
03/03/2026R$ 28,37R$ 28,37R$ 28,41R$ 28,41+0,53%3.505
02/03/2026R$ 27,61R$ 27,61R$ 28,31R$ 28,26+1,95%23
27/02/2026R$ 27,95R$ 27,72R$ 27,98R$ 27,72-1,95%126
26/02/2026R$ 28,20R$ 28,20R$ 28,31R$ 28,27-1,53%3.635
25/02/2026R$ 28,71R$ 28,71R$ 28,71R$ 28,71+1,27%25
24/02/2026R$ 28,23R$ 28,17R$ 28,35R$ 28,35+1,61%223
23/02/2026R$ 28,38R$ 27,90R$ 28,38R$ 27,90-2,17%308
20/02/2026R$ 28,55R$ 28,52R$ 28,56R$ 28,52-0,77%7.716
19/02/2026R$ 28,74R$ 28,74R$ 28,74R$ 28,74+0,70%1
18/02/2026R$ 28,54R$ 28,54R$ 28,54R$ 28,54+0,04%1
13/02/2026R$ 28,47R$ 28,47R$ 28,53R$ 28,53+0,21%229
12/02/2026R$ 28,47R$ 28,47R$ 28,47R$ 28,47-1,35%6.000
11/02/2026R$ 28,86R$ 28,86R$ 28,86R$ 28,86-1,03%10
10/02/2026R$ 29,22R$ 29,16R$ 29,22R$ 29,16-0,24%307
09/02/2026R$ 28,73R$ 28,73R$ 29,23R$ 29,23+1,74%14.665
06/02/2026R$ 28,44R$ 28,44R$ 28,75R$ 28,73+2,53%113
05/02/2026R$ 28,30R$ 28,02R$ 28,30R$ 28,02-2,44%19.029
04/02/2026R$ 29,08R$ 28,26R$ 29,08R$ 28,72-4,17%3.572
02/02/2026R$ 29,61R$ 29,61R$ 29,97R$ 29,97+0,77%52
29/01/2026R$ 29,74R$ 29,74R$ 29,74R$ 29,74-2,17%4.800
28/01/2026R$ 30,43R$ 30,33R$ 30,43R$ 30,40+0,03%723
27/01/2026R$ 30,57R$ 30,39R$ 30,57R$ 30,39+0,20%5
26/01/2026R$ 30,04R$ 30,04R$ 30,42R$ 30,33+0,50%220
23/01/2026R$ 30,21R$ 30,12R$ 30,25R$ 30,18-0,56%7.636
22/01/2026R$ 30,35R$ 30,35R$ 30,35R$ 30,35+1,37%10
21/01/2026R$ 29,69R$ 29,69R$ 30,03R$ 29,94-0,13%5.772
20/01/2026R$ 30,34R$ 29,98R$ 30,34R$ 29,98-2,88%12.113
19/01/2026R$ 30,87R$ 30,87R$ 30,87R$ 30,870,00%236
16/01/2026R$ 30,91R$ 30,87R$ 30,91R$ 30,87+0,36%72
15/01/2026R$ 30,86R$ 30,76R$ 30,86R$ 30,76+1,18%649
14/01/2026R$ 30,85R$ 30,40R$ 30,85R$ 30,40-1,94%37
13/01/2026R$ 31,21R$ 30,97R$ 31,21R$ 31,00+0,49%14
12/01/2026R$ 30,85R$ 30,85R$ 30,85R$ 30,85+0,06%14
09/01/2026R$ 30,83R$ 30,83R$ 30,83R$ 30,83-1,28%1
08/01/2026R$ 31,23R$ 31,23R$ 31,23R$ 31,23-0,45%1
07/01/2026R$ 31,04R$ 31,04R$ 31,37R$ 31,37+1,06%32.900
06/01/2026R$ 30,87R$ 30,76R$ 31,12R$ 31,04+0,23%9.616
05/01/2026R$ 31,40R$ 30,97R$ 31,40R$ 30,97-0,32%20.501
03/01/2026R$ 31,43R$ 31,07R$ 31,47R$ 31,07-1,46%26.288
30/12/2025R$ 32,22R$ 31,53R$ 32,22R$ 31,53-2,11%46
29/12/2025R$ 32,21R$ 32,21R$ 32,21R$ 32,21+0,28%31
26/12/2025R$ 32,22R$ 32,12R$ 32,22R$ 32,12+0,53%3.537
23/12/2025R$ 31,84R$ 31,84R$ 31,95R$ 31,95-0,19%74
22/12/2025R$ 31,81R$ 31,81R$ 32,01R$ 32,01+1,55%6.702
19/12/2025R$ 31,10R$ 31,10R$ 31,52R$ 31,52+1,81%99
18/12/2025R$ 30,85R$ 30,85R$ 30,97R$ 30,96+1,78%11
17/12/2025R$ 30,91R$ 30,42R$ 30,91R$ 30,42-1,17%52
16/12/2025R$ 30,67R$ 30,67R$ 30,78R$ 30,78+1,18%85
15/12/2025R$ 30,47R$ 30,42R$ 30,47R$ 30,42-0,59%14
12/12/2025R$ 31,00R$ 30,60R$ 31,00R$ 30,60-4,23%26
11/12/2025R$ 31,95R$ 31,95R$ 31,95R$ 31,95+0,92%5
10/12/2025R$ 31,71R$ 31,66R$ 31,71R$ 31,660,00%2.640
08/12/2025R$ 31,66R$ 31,66R$ 31,66R$ 31,66+0,60%9.324
06/12/2025R$ 31,23R$ 31,23R$ 31,47R$ 31,47+2,88%740
04/12/2025R$ 30,59R$ 30,59R$ 30,59R$ 30,59+0,07%369
03/12/2025R$ 30,18R$ 30,18R$ 30,57R$ 30,57-0,26%1.704
02/12/2025R$ 31,44R$ 30,65R$ 31,44R$ 30,65+0,96%459
01/12/2025R$ 30,17R$ 30,17R$ 30,36R$ 30,36+0,40%70
29/11/2025R$ 30,20R$ 30,20R$ 30,24R$ 30,24+0,53%4
26/11/2025R$ 30,15R$ 30,08R$ 30,15R$ 30,08+0,37%35
25/11/2025R$ 29,79R$ 29,49R$ 30,03R$ 29,970,00%126
24/11/2025R$ 29,74R$ 29,74R$ 30,01R$ 29,97+1,94%335
21/11/2025R$ 28,99R$ 28,95R$ 29,64R$ 29,40-0,71%59
19/11/2025R$ 29,90R$ 29,61R$ 29,94R$ 29,61+0,44%5.753
18/11/2025R$ 29,47R$ 29,36R$ 29,69R$ 29,48-0,74%4.176
17/11/2025R$ 30,09R$ 29,70R$ 30,09R$ 29,70-1,39%4.943
14/11/2025R$ 29,61R$ 29,61R$ 30,12R$ 30,12+0,70%2.438
13/11/2025R$ 30,08R$ 29,80R$ 30,08R$ 29,91-2,35%3.446
12/11/2025R$ 30,61R$ 30,61R$ 30,63R$ 30,63+0,07%31
11/11/2025R$ 30,75R$ 30,61R$ 30,75R$ 30,61-1,35%42
10/11/2025R$ 31,05R$ 31,03R$ 31,06R$ 31,03+2,92%45
07/11/2025R$ 30,83R$ 29,88R$ 30,83R$ 30,15-2,21%1.245
06/11/2025R$ 31,44R$ 30,83R$ 31,44R$ 30,83-2,16%3.711
05/11/2025R$ 31,08R$ 31,08R$ 31,51R$ 31,51-0,03%188
04/11/2025R$ 31,80R$ 31,52R$ 31,80R$ 31,52-1,41%148
03/11/2025R$ 32,17R$ 31,97R$ 32,17R$ 31,97+0,03%1.095
31/10/2025R$ 31,96R$ 31,96R$ 31,96R$ 31,96-0,59%10
30/10/2025R$ 32,40R$ 32,15R$ 32,40R$ 32,15-0,16%24
29/10/2025R$ 32,27R$ 32,19R$ 32,27R$ 32,20+0,63%66
28/10/2025R$ 32,00R$ 32,00R$ 32,00R$ 32,00+0,98%83
27/10/2025R$ 31,70R$ 31,68R$ 31,70R$ 31,69+1,18%288
24/10/2025R$ 31,16R$ 31,16R$ 31,41R$ 31,32+1,99%65
23/10/2025R$ 30,66R$ 30,66R$ 30,71R$ 30,71+0,72%4.108
22/10/2025R$ 30,83R$ 30,20R$ 30,83R$ 30,49-0,68%38
21/10/2025R$ 30,70R$ 30,69R$ 30,70R$ 30,70+0,23%8.263
20/10/2025R$ 30,51R$ 30,51R$ 30,76R$ 30,63+0,39%48.816
17/10/2025R$ 30,42R$ 30,20R$ 30,55R$ 30,51+0,30%6.117
16/10/2025R$ 30,43R$ 30,42R$ 30,43R$ 30,42-0,49%35
15/10/2025R$ 30,83R$ 30,44R$ 30,84R$ 30,57+0,36%6.936
14/10/2025R$ 30,45R$ 30,45R$ 30,76R$ 30,46-1,01%15
13/10/2025R$ 30,78R$ 30,60R$ 30,80R$ 30,77-0,26%236
10/10/2025R$ 30,63R$ 30,63R$ 31,15R$ 30,85+0,72%7
09/10/2025R$ 30,79R$ 30,63R$ 30,79R$ 30,63-0,26%4
08/10/2025R$ 30,25R$ 30,25R$ 30,71R$ 30,71+2,13%895
07/10/2025R$ 30,55R$ 30,07R$ 30,55R$ 30,07-0,76%3
06/10/2025R$ 30,36R$ 30,30R$ 30,45R$ 30,30+0,40%5.857
03/10/2025R$ 30,39R$ 30,18R$ 30,39R$ 30,18-0,40%794
02/10/2025R$ 30,30R$ 30,30R$ 30,30R$ 30,30+1,03%1
01/10/2025R$ 29,96R$ 29,95R$ 30,03R$ 29,99+1,28%308
30/09/2025R$ 29,67R$ 29,61R$ 29,67R$ 29,61-0,47%508
29/09/2025R$ 29,75R$ 29,75R$ 29,75R$ 29,75+0,30%1
26/09/2025R$ 29,69R$ 29,45R$ 29,69R$ 29,66+0,30%660
25/09/2025R$ 29,21R$ 29,21R$ 29,57R$ 29,57+0,75%23
24/09/2025R$ 29,42R$ 29,30R$ 29,46R$ 29,35-1,91%93
23/09/2025R$ 29,61R$ 29,61R$ 29,92R$ 29,92+1,84%31
20/09/2025R$ 29,39R$ 29,38R$ 29,45R$ 29,38+0,44%406
18/09/2025R$ 29,09R$ 29,09R$ 29,25R$ 29,25+1,81%8.001
17/09/2025R$ 28,68R$ 28,56R$ 28,73R$ 28,73-0,07%3.317
16/09/2025R$ 28,90R$ 28,71R$ 28,90R$ 28,75-0,35%22.043
15/09/2025R$ 28,80R$ 28,80R$ 28,88R$ 28,85+0,17%21.896
12/09/2025R$ 29,10R$ 28,80R$ 29,10R$ 28,80-0,41%24.635
11/09/2025R$ 29,10R$ 28,91R$ 29,10R$ 28,92+0,31%36
10/09/2025R$ 29,02R$ 28,83R$ 29,02R$ 28,83+0,73%110
09/09/2025R$ 28,45R$ 28,45R$ 28,62R$ 28,62+0,07%35
08/09/2025R$ 28,58R$ 28,47R$ 28,61R$ 28,60+2,14%7.783

Abertura, mínima e máxima só aparecem nos dias já coletados com esse detalhe — os mais antigos podem estar só com o fechamento.

Proventos

Últimos 12 meses: R$ 0,0263 / cota · yield 0,07%
TipoValor / cotaData-comPagamento
DividendoR$ 0,007112/06/202624/06/2026
DividendoR$ 0,007116/03/202626/03/2026
DividendoR$ 0,005915/12/202526/12/2025
DividendoR$ 0,006215/09/202525/09/2025

As informações e indicadores exibidos têm caráter meramente informativo e educacional, não constituindo recomendação, oferta ou análise de valores mobiliários nos termos da Resolução CVM nº 20/2021. Decisões de investimento são de responsabilidade exclusiva do usuário.