If you invested ¥1000 in gumi Inc. (3903.T) 10 years ago, it would be worth ¥255.65 as of September 13, 2026, based on a reinvested dividends scenario. Over the same period, a ¥1000 investment made 5 years ago would be worth ¥232.26, while ¥1000 invested 1 year ago would be worth ¥348.39. This corresponds to total returns of -74.44%, -76.77%, -65.16%, respectively, with annualized returns of -12.74%, -25.31%, -65.16%.
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 11, 2026 | 265 | 216 | 216 | 265 | 210 | 1.73M |
| September 10, 2026 | 262 | 267 | 267 | 270 | 260 | 508,000 |
| September 09, 2026 | 266 | 266 | 266 | 270 | 260 | 614,600 |
| September 08, 2026 | 268 | 266 | 266 | 275 | 264 | 294,600 |
| September 07, 2026 | 278 | 270 | 270 | 279 | 269 | 364,200 |
| September 04, 2026 | 270 | 281 | 281 | 282 | 270 | 427,700 |
| September 03, 2026 | 274 | 268 | 268 | 278 | 267 | 511,600 |
| September 02, 2026 | 285 | 274 | 274 | 285 | 273 | 713,600 |
| September 01, 2026 | 284 | 290 | 290 | 291 | 284 | 488,800 |
| August 31, 2026 | 281 | 288 | 288 | 288 | 278 | 356,200 |
| August 28, 2026 | 280 | 283 | 283 | 291 | 280 | 535,000 |
| August 27, 2026 | 280 | 279 | 279 | 286 | 275 | 504,400 |
| August 26, 2026 | 282 | 282 | 282 | 287 | 280 | 368,700 |
| August 25, 2026 | 274 | 281 | 281 | 283 | 273 | 520,100 |
| August 24, 2026 | 290 | 278 | 278 | 290 | 271 | 923,700 |
| August 21, 2026 | 276 | 276 | 276 | 280 | 272 | 894,300 |
| August 20, 2026 | 265 | 272 | 272 | 272 | 263 | 652,200 |
| August 19, 2026 | 260 | 255 | 255 | 264 | 254 | 382,500 |
| August 18, 2026 | 259 | 264 | 264 | 264 | 258 | 608,000 |
| August 17, 2026 | 266 | 262 | 262 | 266 | 260 | 301,100 |
| August 14, 2026 | 262 | 262 | 262 | 268 | 261 | 302,200 |
| August 13, 2026 | 255 | 263 | 263 | 263 | 252 | 374,100 |
| August 12, 2026 | 260 | 255 | 255 | 260 | 252 | 431,200 |
| August 10, 2026 | 252 | 260 | 260 | 262 | 250 | 504,900 |
| August 07, 2026 | 258 | 251 | 251 | 258 | 249 | 486,200 |
| August 06, 2026 | 262 | 260 | 260 | 269 | 257 | 501,200 |
| August 05, 2026 | 259 | 264 | 264 | 267 | 259 | 440,000 |
| August 04, 2026 | 259 | 258 | 258 | 264 | 257 | 648,500 |
| August 03, 2026 | 250 | 257 | 257 | 259 | 246 | 508,500 |
| July 31, 2026 | 247 | 253 | 253 | 257 | 244 | 625,700 |
| July 30, 2026 | 247 | 246 | 246 | 250 | 244 | 385,000 |
| July 29, 2026 | 247 | 249 | 249 | 250 | 244 | 445,600 |
| July 28, 2026 | 247 | 242 | 242 | 247 | 242 | 301,200 |
| July 27, 2026 | 243 | 248 | 248 | 248 | 243 | 291,500 |
| July 24, 2026 | 242 | 242 | 242 | 246 | 239 | 353,800 |
| July 23, 2026 | 242 | 246 | 246 | 248 | 241 | 313,100 |
| July 22, 2026 | 245 | 244 | 244 | 247 | 241 | 327,600 |
| July 21, 2026 | 237 | 244 | 244 | 247 | 236 | 341,300 |
| July 17, 2026 | 240 | 237 | 237 | 242 | 231 | 602,500 |
| July 16, 2026 | 251 | 243 | 243 | 251 | 240 | 502,700 |
| July 15, 2026 | 244 | 247 | 247 | 251 | 242 | 482,800 |
| July 14, 2026 | 239 | 242 | 242 | 247 | 239 | 465,400 |
| July 13, 2026 | 240 | 239 | 239 | 245 | 238 | 424,200 |
| July 10, 2026 | 233 | 242 | 242 | 244 | 233 | 561,000 |
| July 09, 2026 | 231 | 235 | 235 | 236 | 227 | 536,100 |
| July 08, 2026 | 247 | 232 | 232 | 249 | 230 | 1.17M |
| July 07, 2026 | 253 | 245 | 245 | 258 | 244 | 978,000 |
| July 06, 2026 | 243 | 251 | 251 | 258 | 242 | 770,200 |
| July 03, 2026 | 241 | 241 | 241 | 245 | 233 | 613,500 |
| July 02, 2026 | 239 | 239 | 239 | 247 | 236 | 598,600 |
| July 01, 2026 | 226 | 235 | 235 | 236 | 225 | 487,700 |
| June 30, 2026 | 233 | 228 | 228 | 233 | 226 | 688,400 |
| June 29, 2026 | 227 | 227 | 227 | 234 | 225 | 774,000 |
| June 26, 2026 | 230 | 230 | 230 | 231 | 222 | 1.1M |
| June 25, 2026 | 225 | 224 | 224 | 231 | 222 | 779,900 |
| June 24, 2026 | 226 | 223 | 223 | 233 | 222 | 418,400 |
| June 23, 2026 | 233 | 228 | 228 | 233 | 227 | 468,400 |
| June 22, 2026 | 230 | 233 | 233 | 240 | 230 | 513,100 |
| June 19, 2026 | 239 | 233 | 233 | 240 | 229 | 909,900 |
| June 18, 2026 | 251 | 245 | 245 | 251 | 244 | 437,700 |