Close sub menu
Opties ABN AMRO BANK N.V. (ABN)
Call  |  Put
Kies onderliggende waarde:
Onderliggende waardeKoersVorige+/-+/- %HoogLaagVolumeTijd
ABN AMRO BANK N.V.* 29,0628,88+0,18 +0,6% 29,1528,731.786.45817:36

Totalen Prijzen in EUR per aandeel, contracten per 100 aandelen (op 10-4-2026)
Totaal volume 2.781 (2.065 Calls, 716 Puts)
Totaal open interest bij opening 24.955 (17.891 Calls, 7.064 Puts)
Call / Put ratio 2,88
DatumOpen int.Uitoef. prijsKoersVorige+/-+/- %BiedLaatHoogLaagVol.Tijd
17-04-26 12,00--16,89-- -- --------0 --
17-04-26 14,00--14,89-- -- --------0 --
17-04-26 16,00--12,89-- -- --------0 --
17-04-26 18,0014,0010,89-- -- ----14,0014,001 5-2
17-04-26 19,00--9,89-- -- --------0 --
17-04-26 20,009,518,89-- -- ----9,519,5170 8-4
17-04-26 21,008,317,89-- -- ----8,318,3160 8-4
17-04-26 22,004,656,90-- -- ----4,654,6530 20-3
17-04-26 23,006,365,90-- -- ----6,366,3620 8-4
17-04-26 23,504,875,41-- -- ----4,874,8790 11-3
17-04-26 24,005,154,92-- -- 4,935,155,155,154 8-4
17-04-26 24,504,844,42-- -- ----4,844,841 8-4
17-04-267825,004,503,93+0,18 +4,6% ----4,504,3017 8-4
17-04-26 25,503,943,44-- -- ----3,943,941 8-4
17-04-26 26,003,462,96-- -- ----3,473,283 8-4
17-04-26 26,40--2,57-- -- --------0 --
17-04-26 26,503,062,48-- -- ----3,063,0615 8-4
17-04-26 26,60--2,39-- -- 2,382,60----0 --
17-04-26 26,80--2,20-- -- --------0 --
17-04-26 27,002,162,01+0,15 +7,5% ----2,162,162 10-4
17-04-26 27,20--1,85-- -- --------0 --
17-04-26 27,40--1,66-- -- --------0 --
17-04-26 27,501,741,58+0,16 +10,1% 0,15--1,741,73120 10-4
17-04-26 27,60--1,50-- -- --------0 --
17-04-26 27,80--1,33-- -- --------0 --
17-04-261.43628,001,351,18+0,09 +7,6% ----1,351,05124 10-4
17-04-26 28,200,751,02-- -- ----0,750,703 7-4
17-04-26 28,400,550,89-- -- ----0,570,559 7-4
17-04-26 28,500,860,82+0,04 +4,9% ----0,860,7012 10-4
17-04-26 28,60--0,76-- -- --------0 --
17-04-26 28,800,550,64-0,09 -14,1% ----0,550,5511 10-4
17-04-26 29,000,570,53+0,04 +7,5% ----0,620,3844 10-4
17-04-26 29,200,480,44+0,04 +9,1% ----0,480,481 10-4
17-04-26 29,400,330,37-- -- ----0,330,331 9-4
17-04-26 29,500,300,32-0,02 -6,3% ----0,340,308 10-4
17-04-26 29,600,280,29-0,01 -3,4% ----0,290,28205 10-4
17-04-26 29,800,230,230,00 0,0% ----0,230,206 10-4
17-04-26 30,000,180,180,00 0,0% --0,400,200,11244 10-4
17-04-26 30,500,070,10-- -- ----0,070,072 9-4
17-04-26 31,000,050,05-- -- ----0,050,055 9-4
17-04-26 32,000,020,01+0,01 +100,0% ----0,020,0215 10-4
17-04-2650533,000,020,01+0,01 +100,0% ----0,020,021 8-4
17-04-2651134,000,030,01-- -- ----0,030,037 17-3
17-04-2615935,000,020,01-- -- ----0,020,0210 20-3
17-04-265736,000,070,01-- -- ----0,070,071 12-2
17-04-265037,000,040,01-- -- ----0,040,0450 25-2
17-04-261238,000,120,01-- -- ----0,120,1212 23-1
17-04-26 40,00--0,01-- -- --------0 --
17-04-26 42,00--0,01-- -- --------0 --
17-04-26 44,00--0,01-- -- --------0 --
17-04-26 46,00--0,01-- -- --------0 --
15-05-26 12,00--16,89-- -- --------0 --
15-05-26 14,00--14,89-- -- --------0 --
15-05-26 16,00--12,90-- -- --------0 --
15-05-26 18,00--10,92-- -- --------0 --
15-05-26 19,00--9,92-- -- --------0 --
15-05-26 20,007,128,94-- -- ----7,257,12110 26-3
15-05-26 21,007,957,91-- -- ----7,957,9510 9-4
15-05-26 22,006,956,96-- -- ----6,956,9522 9-4
15-05-26 22,503,886,46-- -- ----3,883,877 30-3
15-05-26 23,004,905,96-- -- ----4,924,9060 2-4
15-05-26 23,50--5,48-- -- --------0 --
15-05-26 24,002,535,00-- -- ----2,532,5320 23-3
15-05-26 24,504,584,51-- -- ----4,904,5770 8-4
15-05-26 25,004,554,04-- -- ----4,554,5521 8-4
15-05-26 25,503,963,59-- -- ----3,963,961 8-4
15-05-26 26,003,573,12-- -- ----3,583,4510 8-4
15-05-26 26,502,252,70-- -- 2,702,892,252,203 1-4
15-05-26 27,002,372,29-- -- ----2,372,3710 8-4
15-05-26 27,501,921,91+0,01 +0,5% ----1,921,922 10-4
15-05-26 28,001,681,57+0,11 +7,0% --3,251,681,502 10-4
15-05-26 28,501,171,26-0,09 -7,1% ----1,171,172 10-4
15-05-26 29,001,051,00+0,05 +5,0% --1,101,100,9053 10-4
15-05-26 29,500,820,80+0,02 +2,5% ----0,820,821 10-4
15-05-26 30,000,610,64-0,03 -4,7% --0,680,640,54214 10-4
15-05-26 31,000,330,39-0,06 -15,4% ----0,330,331 10-4
15-05-26 32,000,160,22-0,06 -27,3% ----0,160,163 10-4
15-05-26 33,000,100,13-- -- ----0,100,103 9-4
15-05-26 34,000,140,07-- -- ----0,140,141 3-3
15-05-26 36,000,090,02-- -- ----0,090,091 4-3
15-05-261038,000,040,01-- -- ----0,040,0410 12-3
15-05-26 40,00--0,01-- -- --------0 --
15-05-26 42,000,020,01+0,01 +100,0% ----0,020,0250 12-3
15-05-26 44,00------ -- ---------- --
19-06-26 8,0019,2920,89-1,60 -7,7% ----19,2919,2675 11-11
19-06-26 9,00--19,89-- -- --------0 --
19-06-26 10,0017,7418,89-- -- ----17,7417,7415 2-3
19-06-26 12,0013,0916,89-3,80 -22,5% ----13,1013,08250 2-9
19-06-26 14,0014,0514,89-- -- ----14,0514,051 1-4
19-06-26 16,0013,9512,90-- -- ----13,9513,9545 23-2
19-06-26417,0010,8511,90+0,17 +1,4% ----10,8510,602 25-9
19-06-26 18,0011,4910,90-- -- ----11,4911,493 8-4
19-06-26 19,007,609,91-- -- ----7,607,60100 30-3
19-06-265.30620,008,878,91+0,17 +1,9% ----8,878,875 9-4
19-06-26 21,006,257,93-- -- ----6,256,253 26-3
19-06-26 22,007,506,95-- -- ----7,507,501 8-4
19-06-26 22,50--6,46-- -- --------0 --
19-06-263.36423,006,455,98+0,14 +2,3% ----6,456,3510 8-4
19-06-26 23,50--5,51-- -- --------0 --
19-06-26 24,005,055,04-- -- ----5,055,0520 9-4
19-06-2614024,50--4,58+0,16 +3,5% --------0 --
19-06-2640725,004,574,14+0,16 +3,9% ----4,574,5741 8-4
19-06-26 25,501,723,70-- -- ----1,721,728 23-3
19-06-26 26,003,683,29-- -- 3,303,473,703,6851 8-4
19-06-26 26,502,202,89-- -- ----2,202,201 7-4
19-06-26 27,002,902,52-- -- ----2,902,749 8-4
19-06-261127,502,192,19+0,08 +3,7% 2,172,312,192,193 9-4
19-06-26 28,002,021,89+0,13 +6,9% ----2,021,8013 10-4
19-06-26 28,501,821,60-- -- ----1,831,8190 8-4
19-06-26 29,001,401,35+0,05 +3,7% ----1,401,401 10-4
19-06-26 29,501,131,12-- -- ----1,131,131 9-4
19-06-26 30,000,960,960,00 0,0% 0,10--1,020,965 10-4
19-06-26 31,000,650,64+0,01 +1,6% 0,580,690,650,6520 10-4
19-06-26 32,000,380,42-- -- --0,510,420,388 9-4
19-06-26 33,000,250,28-- -- ----0,250,252 9-4
19-06-26 34,000,130,18-- -- ----0,130,1310 7-4
19-06-26 35,000,110,110,00 0,0% 0,05--0,110,1110 10-4
19-06-26 36,000,090,07-- -- ----0,090,095 8-4
19-06-266638,000,150,030,00 0,0% ----0,150,1521 20-2
19-06-26 40,000,100,01-- -- ----0,100,103 23-2
19-06-26 42,00------ -- --------0 --
19-06-261.00045,000,030,02-- -- ----0,030,0375 25-2
19-06-26 50,00--0,01-- -- --0,09----0 --
19-06-26 55,00--0,01-- -- --------0 --
18-09-26 9,00--19,89-- -- --------0 --
18-09-26 10,00--18,89-- -- --------0 --
18-09-26 12,00--16,89-- -- --------0 --
18-09-26 14,0015,5014,90+0,60 +4,0% ----15,5015,5060 29-12
18-09-26 16,00--12,91-- -- --------0 --
18-09-26 18,00--10,91-- -- --------0 --
18-09-26 19,00--9,96-- -- --------0 --
18-09-26 20,009,208,96-- -- ----9,579,20359 8-4
18-09-26 21,008,398,00-- -- ----8,398,3960 8-4
18-09-26 22,006,257,05-- -- ----6,256,251 2-4
18-09-26223,004,986,12+0,18 +2,9% ----4,984,982 24-11
18-09-26 24,005,105,24-- -- ----5,305,103 9-4
18-09-26 25,004,714,48-- -- ----4,714,7120 8-4
18-09-26 26,003,743,74-- -- ----4,283,746 8-4
18-09-26 27,003,383,07-- -- 3,063,223,383,381 8-4
18-09-26 28,002,582,49+0,09 +3,6% 2,482,612,582,4718 10-4
18-09-26 29,001,941,99-- -- 1,972,081,941,941 9-4
18-09-26 30,001,611,57+0,04 +2,5% --2,201,611,584 10-4
18-09-26 32,000,870,94-0,07 -7,4% ----0,870,875 10-4
18-09-26 34,000,450,54-- -- ----0,450,453 7-4
18-09-26 35,000,300,42-- -- ----0,300,301 27-3
18-09-26 36,000,300,32-- -- ----0,300,303 4-3
18-09-26 38,000,160,18-0,02 -11,1% ----0,160,1617 10-4
18-09-26 40,000,060,09-- -- ----0,090,066 25-3
18-09-26 45,00--0,02-- -- --------0 --
18-09-26 50,00--0,01-- -- --------0 --
18-09-26 55,000,020,01+0,01 +100,0% ----0,020,0250 12-3
18-12-26 6,0020,1522,89-2,74 -12,0% ----20,1520,1510 12-8
18-12-26 8,0019,6520,89-1,24 -5,9% ----19,6519,651 3-10
18-12-26 9,0015,8519,89-4,04 -20,3% ----15,8515,8525 21-10
18-12-263810,0017,1518,89+0,18 +1,0% ----17,1517,151 6-3
18-12-26 11,0015,2017,91-2,71 -15,1% ----15,2015,2025 12-8
18-12-26 12,0016,1216,91-- -- ----16,1216,1220 11-3
18-12-26 13,0016,1015,91+0,19 +1,2% ----16,1016,1020 10-4
18-12-26 14,0015,6314,91+0,72 +4,8% ----15,6315,6320 17-12
18-12-26 15,0012,2513,91-- -- 13,8514,2012,2512,255 26-3
18-12-26 16,0011,2512,91-- -- ----11,2511,251 31-3
18-12-26 18,0010,9010,96-- -- ----10,9510,9015 9-4
18-12-26 19,00--9,96-- -- --------0 --
18-12-26 20,009,259,03+0,22 +2,4% ----9,309,1013 10-4
18-12-26 21,006,808,12-- -- ----6,806,8050 3-3
18-12-26 22,007,607,24-- -- ----7,657,60109 8-4
18-12-26 23,006,756,42-- -- ----6,756,753 8-4
18-12-26 24,005,605,63-0,03 -0,5% 5,605,805,605,601 10-4
18-12-26 25,005,204,89-- -- ----5,205,2051 8-4
18-12-26 26,004,104,22-0,12 -2,8% --6,254,104,101 10-4
18-12-26 27,003,703,59+0,11 +3,1% --3,753,703,602 10-4
18-12-262.53028,003,003,04+0,05 +1,6% 1,35--3,063,006 9-4
18-12-26 29,002,552,54+0,01 +0,4% ----2,582,5511 10-4
18-12-26 30,002,172,12+0,05 +2,4% ----2,172,14131 10-4
18-12-26 32,001,501,43+0,07 +4,9% ----1,501,4032 10-4
18-12-26 34,001,050,95-- -- ----1,050,957 8-4
18-12-26 35,000,830,79-- -- ----0,870,839 8-4
18-12-26 36,000,610,64-0,03 -4,7% ----0,610,611 10-4
18-12-26 38,000,380,42-- -- ----0,380,382 18-3
18-12-26 40,000,230,27-- -- ----0,230,232 8-4
18-12-26 45,000,080,12-- -- ----0,100,08215 2-4
18-12-26 50,000,050,06-- -- ----0,050,053 16-3
18-12-265555,000,050,010,00 0,0% ----0,050,0525 26-2
18-12-265060,000,030,01-- -- ----0,030,0350 12-3
19-03-27 9,00--19,89-- -- --------0 --
19-03-27 10,00--18,89-- -- --------0 --
19-03-27 12,00--16,89-- -- --------0 --
19-03-27 14,00--14,89-- -- --------0 --
19-03-27 16,00--12,93-- -- --------0 --
19-03-27 18,00--10,98-- -- --------0 --
19-03-27 19,00--10,08-- -- --------0 --
19-03-27 20,00--9,17-- -- --------0 --
19-03-27 21,00--8,32-- -- --------0 --
19-03-27 22,007,607,49+0,11 +1,5% ----7,607,603 10-4
19-03-27 23,006,676,73-- -- ----6,676,675 9-4
19-03-27 24,00--6,01-- -- --------0 --
19-03-27 25,005,425,32-- -- ----5,425,421 8-4
19-03-27 26,00--4,67-- -- --------0 --
19-03-27 27,003,044,07-- -- ----3,043,0425 26-3
19-03-27 28,003,483,55-0,07 -2,0% ----3,503,4822 10-4
19-03-27 29,003,103,05+0,05 +1,6% ----3,103,101 10-4
19-03-27 30,002,662,61-- -- --3,152,662,661 8-4
19-03-27 32,001,891,90-- -- ----1,891,8950 9-4
19-03-27 34,001,351,37-- -- ----1,351,3550 9-4
19-03-27 35,001,091,16-- -- ----1,091,091 9-4
19-03-27 36,00--0,98-- -- --------0 --
19-03-27 40,000,460,47-0,01 -2,1% ----0,460,4618 10-4
19-03-27 45,00--0,20-- -- --------0 --
19-03-27 50,00--0,08-- -- --------0 --
18-06-27 10,0017,3518,91-- -- ----17,3517,3510 26-3
18-06-27 14,0017,5014,94-- -- ----17,5017,501 10-2
18-06-27 15,00--13,94-- -- --------0 --
18-06-27316,0010,0512,96+0,16 +1,2% 12,9013,3010,0510,051 11-8
18-06-27 18,0010,6011,03-- -- ----10,6010,601 7-4
18-06-27 20,008,409,32-- -- 9,259,608,408,4040 2-4
18-06-27 22,005,207,71-- -- ----5,205,2070 23-3
18-06-27 24,005,556,25-- -- ----5,555,551 2-4
18-06-27 26,004,954,96-0,01 -0,2% ----4,954,9540 10-4
18-06-27 28,003,953,84+0,11 +2,9% ----3,953,95100 10-4
18-06-27 30,002,902,91-0,01 -0,3% ----2,902,901 10-4
18-06-27 35,001,401,39+0,01 +0,7% ----1,401,4010 10-4
18-06-27 40,000,730,66-- -- --3,000,730,733 19-3
18-06-27 45,000,350,32-- -- ----0,350,351 8-4
18-06-27 50,000,220,16-- -- ----0,220,2215 13-2
18-06-27 60,00--0,04-- -- --------0 --
17-12-27 6,0019,3022,88-3,58 -15,6% ----19,3019,3030 4-9
17-12-27 8,0017,3220,88-3,56 -17,0% ----17,3217,321 9-9
17-12-27 9,0015,8119,89-4,08 -20,5% ----15,9315,81700 27-8
17-12-27 10,0017,7118,89-- -- ----17,7217,69300 13-2
17-12-27 11,0015,2717,89-2,62 -14,6% ----15,2715,1962 12-8
17-12-27 12,0017,5516,89+0,66 +3,9% ----17,5517,551 29-12
17-12-27 13,0013,0515,89-2,84 -17,9% ----13,0513,0540 20-8
17-12-27 14,0016,3014,89-- -- ----16,3016,3010 21-1
17-12-27 15,0013,9513,93+0,02 +0,1% ----13,9513,951 10-4
17-12-27 16,0012,0512,98-- -- --15,5012,0512,051 7-4
17-12-27 18,008,2011,17-- -- ----8,708,2051 23-3
17-12-27 20,008,809,52-- -- ----8,808,801 1-4
17-12-27 22,008,128,01+0,11 +1,4% ----8,148,12180 10-4
17-12-27 23,007,757,29-- -- ----7,757,755 8-4
17-12-27 24,006,036,63-- -- ----6,036,034 7-4
17-12-2739925,006,256,03+0,09 +1,5% ----6,256,2510 8-4
17-12-27 26,005,455,41+0,04 +0,7% ----5,455,4530 10-4
17-12-27 28,004,404,38+0,02 +0,5% ----4,404,4010 10-4
17-12-27 30,003,553,48+0,07 +2,0% --3,603,563,5032 10-4
17-12-2777735,001,931,980,00 0,0% 1,70--1,931,931 9-4
17-12-27 40,000,801,09-- -- ----0,800,801 31-3
17-12-27 45,000,590,65-- -- ----0,590,594 13-3
17-12-27 50,000,380,37-- -- ----0,380,3812 9-4
17-12-27 60,00--0,12-- -- --------0 --
15-12-28 8,0024,1320,89-- -- ----24,1324,1325 3-2
15-12-28 9,0022,3619,89-- -- ----22,4122,36150 27-1
15-12-28 10,0016,4018,89-- -- ----16,4016,401 31-3
15-12-28 11,0018,6017,89+0,71 +4,0% 17,7018,4018,6018,601 23-12
15-12-28 12,0015,0516,94-1,89 -11,2% ----15,0515,051 10-10
15-12-28 13,0014,2015,98-- -- ----14,2014,2010 6-3
15-12-28 14,0013,5014,98-- -- ----13,5013,505 3-3
15-12-28 15,0011,5013,96-- -- 13,8514,4012,0011,502 30-3
15-12-28 16,0013,2013,08+0,12 +0,9% ----13,2213,20180 10-4
15-12-28 18,0011,0511,47-- -- ----11,0511,051 7-4
15-12-28 20,008,059,94-- -- --14,008,058,051 30-3
15-12-28 22,008,808,58-- -- ----8,808,801 8-4
15-12-28 24,006,857,33-- -- ----6,856,851 7-4
15-12-28 25,006,726,77-- -- ----6,726,725 9-4
15-12-28 26,006,306,27+0,03 +0,5% ----6,306,3035 10-4
15-12-28 28,004,805,31-- -- ----4,804,801 1-4
15-12-28 29,004,174,87-- -- ----4,174,1725 9-3
15-12-28 30,004,444,47-- -- ----4,444,443 9-4
15-12-2831935,002,872,91+0,04 +1,4% ----2,872,873 5-3
15-12-28 40,001,501,90-- -- ----1,501,501 26-3
15-12-28 45,001,631,26-- -- ----1,631,631 19-1
15-12-28 50,000,690,84-- -- ----0,690,694 27-3
15-12-28 60,000,430,38-- -- ----0,430,431 9-3
15-12-28 80,00--0,08-- -- --------0 --
21-12-29 8,0020,1520,88-0,73 -3,5% ----20,1520,151 25-11
21-12-29 10,0018,4018,91-- -- ----18,4018,401 7-4
21-12-29 12,0013,4516,93-3,48 -20,6% ----13,4513,4080 8-8
21-12-29 13,0014,0516,00-- -- ----14,3014,0530 6-3
21-12-29 14,0013,5015,00-- -- ----13,5013,5060 3-3
21-12-29 16,0012,3713,25-- -- ----12,3712,376 7-4
21-12-29 18,0010,1011,74-- -- ----10,1010,104 31-3
21-12-29 20,0010,2310,34-- -- 5,75--10,2310,231 9-4
21-12-29 22,008,259,03-- -- --9,508,258,251 2-4
21-12-29 24,008,157,88-- -- ----8,158,151 8-4
21-12-29 25,006,307,37-- -- ----6,306,301 19-3
21-12-29 26,005,906,87-- -- ----5,905,901 19-3
21-12-29 28,005,606,01-- -- ----5,605,601 2-4
21-12-29 29,006,305,61-- -- ----6,306,302 11-2
21-12-29 30,005,205,26-- -- ----5,205,202 8-4
21-12-29 35,003,853,71+0,14 +3,8% ----3,853,8517 10-4
21-12-29 40,002,502,62-- -- ----2,502,505 12-3
21-12-2916545,001,421,86-0,01 -0,5% ----1,471,423 30-3
21-12-29 50,001,041,33-- -- ----1,081,047 30-3
21-12-29 60,000,680,71-- -- ----0,680,682 8-4
21-12-29 80,000,350,23-- -- ----0,350,351 11-2
20-12-30 10,0017,2018,91-- -- ----17,2017,201 6-3
20-12-30 15,0012,2014,13-- -- ----12,4012,205 19-3
20-12-30 18,0012,0711,92-- -- ----12,0712,078 8-4
20-12-30 20,0010,7510,69-- -- ----10,7510,758 8-4
20-12-30 22,008,129,48-- -- ----8,128,1220 20-3
20-12-30 24,007,068,37-- -- ----7,067,0615 24-3
20-12-30 26,006,457,39-- -- ----6,456,4517 24-3
20-12-30 28,006,656,61+0,04 +0,6% ----6,656,6510 10-4
20-12-3043730,005,395,83+0,07 +1,2% ----5,395,3910 1-4
20-12-30 35,004,304,36-- -- ----4,304,309 8-4
20-12-30 40,003,123,25-- -- ----3,123,122 8-4
20-12-30 45,001,972,42-- -- ----1,971,973 20-3
20-12-30 50,001,441,82-- -- ----1,541,444 23-3
20-12-30 60,001,101,07-- -- ----1,101,1012 12-3
20-12-30 80,000,500,46-- -- 0,39--0,500,502 8-1
Koersen ca. 15 minuten vertraagd (* = real-time). Powered by

Schakel browser notificaties in

Schakel browser notificaties in om meldingen te ontvangen op dit apparaat.

Browser notificaties inschakelen

U heeft browser notificaties voor fd.nl eerder geweigerd. Ga naar browser instellingen en sta browser notificaties toe voor fd.nl. De precieze handelingen zijn afhankelijk van uw browser.

U volgt een onderwerp

Wanneer deze zoekterm in een artikel voorkomt, zult u deze terugvinden in Mijn nieuws onder ‘Eurobonds’.

Wilt u via de FD App meldingen ontvangen voor dit onderwerp?

Wilt u via de FD App meldingen ontvangen voor dit onderwerp?

Ons privacy statement is van toepassing.

Meldingen

Wanneer deze zoekterm in een artikel voorkomt, zult u deze terugvinden in Mijn nieuws onder ‘Eurobonds’.

Wilt u via de FD App meldingen ontvangen voor dit onderwerp?

Wilt u via de FD App meldingen ontvangen voor dit onderwerp?