| 421 |  OFSYM | OFIS YEM GIDA | ₺56,60 | +0,00% | 18:08:01 |
| 422 |  ONCSM | ONCOSEM ONKOLOJIK SISTEMLER | ₺286,50 | +0,69% | 18:09:45 |
| 423 |  ONRYT | ONUR TEKNOLOJI | ₺64,80 | +2,74% | 18:09:49 |
| 424 |  OPK30 | OSMANLI PORTFOY KATILIM 30 ENDEKS HSY BYF | ₺47,81 | +1,16% | 18:05:08 |
| 425 |  OPT25 | OSMANLI PORTFOY BIST TEMETTU 25 ENDEKS HSY BYF | ₺43,71 | +9,99% | 18:05:08 |
| 426 |  OPTGY | OSMANLI PORTFOY KAR PAYI ODEYEN BIST GYO HSY BYF | ₺143,35 | +0,27% | 18:05:08 |
| 427 |  OPTLR | OSMANLI P BIST TLREF(TL) END BYF | ₺48,60 | +0,21% | 18:05:08 |
| 428 |  OPX30 | OSMANLI PORTFOY BIST 30 HSY BYF | ₺63,96 | +0,35% | 18:05:08 |
| 429 |  ORCAY | ORCAY ORTAKOY CAY SANAYI | ₺3,95 | +24,21% | 18:05:08 |
| 430 |  ORGE | ORGE ENERJI ELEKTRIK | ₺65,70 | +0,00% | 18:09:45 |
| 431 |  ORMA | ORMA ORMAN MAHSULLERI | ₺161,60 | +0,23% | 18:05:08 |
| 432 |  OSMEN | OSMANLI MENKUL | ₺8,56 | −9,80% | 18:09:48 |
| 433 |  OSTIM | OSTIM ENDUSTRIYEL YAT | ₺2,89 | +0,00% | 18:08:01 |
| 434 |  OTKAR | OTOKAR | ₺491,00 | +0,17% | 18:08:01 |
| 435 |  OTTO | OTTO HOLDING | ₺449,50 | +0,26% | 18:05:08 |
| 436 |  OYAKC | OYAK CIMENTO | ₺24,80 | +5,94% | 18:08:41 |
| 437 |  OYAYO | OYAK YAT. ORT. | ₺61,05 | +6,53% | 18:08:29 |
| 438 |  OYLUM | OYLUM SINAI YATIRIMLAR | ₺9,92 | +5,42% | 18:05:08 |
| 439 |  OYYAT | OYAK YATIRIM MENKUL | ₺43,00 | +1,65% | 18:05:08 |
| 440 |  OZATD | OZATA DENIZCILIK | ₺167,80 | −0,76% | 18:08:01 |
| 441 |  OZGYO | OZDERICI GMYO | ₺3,39 | −232,94% | 18:09:03 |
| 442 |  OZKGY | OZAK GMYO | ₺15,19 | +10,15% | 18:08:16 |
| 443 | OZKGY | OZAK GMYO | ₺15,19 | +10,15% | 18:08:16 |
| 444 |  OZRDN | OZERDEN AMBALAJ | ₺14,30 | +88,65% | 18:08:03 |
| 445 |  OZSUB | OZSU BALIK | ₺19,26 | −11,61% | 18:08:03 |
| 446 |  OZYSR | OZYASAR TEL | ₺42,26 | −10,64% | 18:09:12 |
| 447 |  PAGYO | PANORA GMYO | ₺81,70 | +0,07% | 18:05:08 |
| 448 |  PAHOL | PASIFIK HOLDING | ₺1,51 | −30,41% | 18:09:46 |
| 449 |  PAMEL | PAMEL ELEKTRIK | ₺84,40 | +1,66% | 18:08:01 |
| 450 |  PAPIL | PAPILON SAVUNMA | ₺15,56 | +2,57% | 18:08:03 |
