If you invested ₩1000 in Cosmax, Inc. (192820.KS) 10 years ago, it would be worth ₩1,977.7 as of September 11, 2026, based on a reinvested dividends scenario. Over the same period, a ₩1000 investment made 5 years ago would be worth ₩2,090.98, while ₩1000 invested 1 year ago would be worth ₩1,232.52. This corresponds to total returns of 97.77%, 109.1%, 23.25%, respectively, with annualized returns of 7.06%, 15.91%, 23.25%.
Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.
Date Range:
| Date | Open | Close | Adj Close | High | Low | Volume |
|---|---|---|---|---|---|---|
| September 10, 2026 | 269,000 | 265,000 | 265,000 | 274,000 | 259,000 | 148,155 |
| September 09, 2026 | 263,000 | 266,500 | 266,500 | 269,500 | 261,000 | 114,027 |
| September 08, 2026 | 275,000 | 265,000 | 265,000 | 275,500 | 256,000 | 205,597 |
| September 07, 2026 | 276,000 | 274,000 | 274,000 | 277,500 | 268,000 | 88,290 |
| September 04, 2026 | 281,500 | 275,500 | 275,500 | 283,000 | 266,000 | 128,085 |
| September 03, 2026 | 279,500 | 282,000 | 282,000 | 293,000 | 276,000 | 127,762 |
| September 02, 2026 | 278,500 | 285,500 | 285,500 | 292,000 | 271,000 | 146,008 |
| September 01, 2026 | 301,500 | 287,000 | 287,000 | 306,500 | 285,500 | 129,847 |
| August 31, 2026 | 297,000 | 300,000 | 300,000 | 304,500 | 291,500 | 215,144 |
| August 28, 2026 | 282,500 | 303,000 | 303,000 | 306,000 | 282,500 | 332,457 |
| August 27, 2026 | 285,000 | 283,000 | 283,000 | 287,500 | 271,000 | 130,277 |
| August 26, 2026 | 283,000 | 288,000 | 288,000 | 297,000 | 278,000 | 176,353 |
| August 25, 2026 | 286,000 | 289,000 | 289,000 | 289,000 | 280,000 | 140,539 |
| August 24, 2026 | 271,500 | 286,000 | 286,000 | 288,000 | 265,500 | 218,478 |
| August 21, 2026 | 260,500 | 271,000 | 271,000 | 274,000 | 257,000 | 203,415 |
| August 20, 2026 | 242,500 | 260,500 | 260,500 | 263,000 | 241,500 | 168,561 |
| August 19, 2026 | 236,000 | 246,000 | 246,000 | 250,000 | 233,000 | 132,070 |
| August 18, 2026 | 240,500 | 239,000 | 239,000 | 243,000 | 230,500 | 178,071 |
| August 14, 2026 | 241,000 | 247,500 | 247,500 | 251,000 | 239,000 | 157,009 |
| August 13, 2026 | 243,000 | 249,000 | 249,000 | 262,000 | 242,000 | 287,298 |
| August 12, 2026 | 232,000 | 249,500 | 249,500 | 260,000 | 212,500 | 611,559 |
| August 11, 2026 | 206,500 | 210,000 | 210,000 | 217,000 | 199,500 | 135,782 |
| August 10, 2026 | 203,500 | 203,500 | 203,500 | 205,500 | 197,400 | 69,120 |
| August 07, 2026 | 198,200 | 205,500 | 205,500 | 208,000 | 198,000 | 70,913 |
| August 06, 2026 | 194,900 | 202,000 | 202,000 | 205,000 | 194,000 | 102,716 |
| August 05, 2026 | 193,000 | 195,000 | 195,000 | 203,500 | 193,000 | 108,929 |
| August 04, 2026 | 183,700 | 195,200 | 195,200 | 198,500 | 183,600 | 111,486 |
| August 03, 2026 | 183,800 | 185,500 | 185,500 | 191,500 | 183,100 | 58,520 |
| July 31, 2026 | 182,100 | 184,700 | 184,700 | 186,400 | 171,200 | 160,944 |
| July 30, 2026 | 184,700 | 185,900 | 185,900 | 195,400 | 180,500 | 108,117 |
| July 29, 2026 | 185,000 | 184,700 | 184,700 | 195,600 | 183,000 | 140,054 |
| July 28, 2026 | 189,800 | 184,600 | 184,600 | 197,500 | 181,200 | 84,074 |
| July 27, 2026 | 180,700 | 192,500 | 192,500 | 194,600 | 178,500 | 142,362 |
| July 24, 2026 | 173,000 | 178,400 | 178,400 | 180,800 | 173,000 | 56,783 |
| July 23, 2026 | 167,600 | 177,000 | 177,000 | 178,100 | 167,600 | 61,548 |
| July 22, 2026 | 172,300 | 169,200 | 169,200 | 174,600 | 168,500 | 50,908 |
| July 21, 2026 | 170,500 | 172,200 | 172,200 | 176,600 | 170,500 | 47,817 |
| July 20, 2026 | 180,600 | 173,600 | 173,600 | 181,000 | 173,000 | 42,452 |
| July 16, 2026 | 183,500 | 181,100 | 181,100 | 188,000 | 177,000 | 57,751 |
| July 15, 2026 | 175,100 | 179,800 | 179,800 | 181,500 | 172,500 | 92,080 |
| July 14, 2026 | 183,500 | 174,800 | 174,800 | 183,700 | 173,000 | 79,420 |
| July 13, 2026 | 174,700 | 184,300 | 184,300 | 189,500 | 174,700 | 118,811 |
| July 10, 2026 | 175,200 | 172,700 | 172,700 | 182,200 | 168,400 | 154,217 |
| July 09, 2026 | 176,000 | 173,500 | 173,500 | 179,600 | 171,500 | 112,646 |
| July 08, 2026 | 185,100 | 179,600 | 179,600 | 186,900 | 174,200 | 112,758 |
| July 07, 2026 | 177,000 | 183,000 | 183,000 | 188,800 | 175,000 | 125,617 |
| July 06, 2026 | 170,000 | 178,000 | 178,000 | 183,400 | 169,100 | 116,790 |
| July 03, 2026 | 171,000 | 168,300 | 168,300 | 174,500 | 165,000 | 73,978 |
| July 02, 2026 | 166,500 | 167,300 | 167,300 | 178,900 | 164,300 | 125,596 |
| July 01, 2026 | 158,200 | 165,300 | 165,300 | 168,000 | 152,200 | 78,464 |
| June 30, 2026 | 157,600 | 154,900 | 154,900 | 163,500 | 154,300 | 75,828 |
| June 29, 2026 | 146,300 | 159,100 | 159,100 | 159,600 | 144,600 | 76,330 |
| June 26, 2026 | 147,000 | 144,900 | 144,900 | 149,100 | 141,000 | 80,509 |
| June 25, 2026 | 151,800 | 148,100 | 148,100 | 154,100 | 147,200 | 61,280 |
| June 24, 2026 | 152,000 | 151,700 | 151,700 | 155,100 | 148,000 | 55,089 |
| June 23, 2026 | 155,600 | 152,500 | 152,500 | 161,900 | 151,200 | 114,760 |
| June 22, 2026 | 160,200 | 156,000 | 156,000 | 162,900 | 153,400 | 52,192 |
| June 19, 2026 | 165,600 | 159,200 | 159,200 | 169,400 | 155,900 | 150,354 |
| June 18, 2026 | 168,000 | 165,600 | 165,600 | 168,300 | 164,000 | 59,717 |
| June 17, 2026 | 169,800 | 168,900 | 168,900 | 174,000 | 166,000 | 59,155 |