Stock listing
Shanghai:688432 GRINM Semiconductor Materials Co., Ltd. (有研硅) 股价
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Share price · SSE:688432
¥28.84 CNY -2.09 (-6.8%)
Close on Oct 30, 2026
- Day range
- ¥28.81 – ¥31.14 CNYOct 30, 2026
- Volume
- 29.84M sharesOct 30, 2026
- Market cap
- ¥36.06B CNYAt the close on Oct 30, 2026 · price × 1.25B shares outstanding
- 52-week range
- ¥11.88 – ¥60.78 CNYLowest and highest trades, Oct 31, 2025 – Oct 30, 2026
- Traded on an average day
- ¥2.10B CNYMedian day 55.25M shares · 10 days with no trades · last 3 months, Jul 30, 2026 – Oct 30, 2026

Daily closes
Last 3 months, Jul 30, 2026 – Oct 30, 2026 · SSE:688432 · CNY, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| ¥28.84 | -2.09 | -6.8% | ¥29.70 | ¥31.14 | ¥28.81 | 29,843,723 | |
| ¥30.93 | -2.28 | -6.9% | ¥33.70 | ¥34.48 | ¥30.82 | 33,601,275 | |
| ¥33.21 | +1.58 | +5.0% | ¥32.78 | ¥33.63 | ¥31.97 | 32,067,241 | |
| ¥31.63 | -1.95 | -5.8% | ¥34.59 | ¥34.99 | ¥31.51 | 30,264,647 | |
| ¥33.58 | -2.51 | -7.0% | ¥35.20 | ¥35.40 | ¥33.50 | 30,134,538 | |
| ¥36.09 | +1.05 | +3.0% | ¥34.20 | ¥36.53 | ¥32.85 | 43,973,352 | |
| ¥35.04 | -2.10 | -5.7% | ¥37.50 | ¥38.45 | ¥35.04 | 38,574,435 | |
| ¥37.14 | -1.06 | -2.8% | ¥38.38 | ¥38.99 | ¥36.88 | 34,113,997 | |
| ¥38.20 | +1.50 | +4.1% | ¥36.63 | ¥40.30 | ¥36.08 | 47,869,338 | |
| ¥36.70 | +1.03 | +2.9% | ¥36.30 | ¥37.78 | ¥35.05 | 37,737,419 | |
| ¥35.67 | -1.31 | -3.5% | ¥37.97 | ¥38.29 | ¥35.16 | 30,538,715 | |
| ¥36.98 | -1.62 | -4.2% | ¥37.15 | ¥37.99 | ¥36.31 | 34,022,546 | |
| ¥38.60 | -2.11 | -5.2% | ¥40.56 | ¥41.50 | ¥38.50 | 30,191,823 | |
| ¥40.71 | -0.20 | -0.5% | ¥39.17 | ¥41.73 | ¥38.23 | 38,666,098 | |
| ¥40.91 | -4.72 | -10.3% | ¥44.17 | ¥44.51 | ¥40.30 | 48,337,906 | |
| ¥45.63 | +0.70 | +1.6% | ¥44.53 | ¥46.88 | ¥42.16 | 57,533,675 | |
| ¥44.93 | -2.16 | -4.6% | ¥47.35 | ¥48.00 | ¥44.62 | 35,463,478 | |
| ¥47.09 | -2.07 | -4.2% | ¥49.90 | ¥49.98 | ¥47.02 | 41,784,023 | |
| ¥49.16 | -3.99 | -7.5% | ¥51.91 | ¥52.60 | ¥48.15 | 56,091,073 | |
| ¥53.15 | -1.98 | -3.6% | ¥54.00 | ¥57.50 | ¥52.50 | 58,360,964 | |
| ¥55.13 | +0.13 | +0.2% | ¥54.00 | ¥58.93 | ¥53.55 | 70,474,979 | |
| ¥55.00 | +2.44 | +4.6% | ¥52.71 | ¥55.84 | ¥52.12 | 64,962,376 | |
| ¥52.56 | -2.03 | -3.7% | ¥54.99 | ¥55.73 | ¥52.08 | 57,678,299 | |
| ¥54.59 | -2.23 | -3.9% | ¥56.97 | ¥57.96 | ¥53.61 | 66,719,913 | |
| ¥56.82 | +1.82 | +3.3% | ¥56.88 | ¥57.95 | ¥53.40 | 82,446,035 | |
| ¥55.00 | +0.94 | +1.7% | ¥57.00 | ¥60.59 | ¥53.69 | 101,930,418 | |
| ¥54.06 | +9.01 | +20.0% | ¥44.55 | ¥54.06 | ¥44.55 | 76,844,217 | |
| ¥45.05 | -1.10 | -2.4% | ¥45.19 | ¥47.60 | ¥42.83 | 57,879,663 | |
| ¥46.15 | +0.93 | +2.1% | ¥43.00 | ¥52.87 | ¥37.66 | 79,062,151 | |
| ¥45.22 | 0.00 | 0.0% | ¥45.22 | ¥45.22 | ¥45.22 | 0 | |
| ¥45.22 | 0.00 | 0.0% | ¥45.22 | ¥45.22 | ¥45.22 | 0 | |
| ¥45.22 | 0.00 | 0.0% | ¥45.22 | ¥45.22 | ¥45.22 | 0 | |
| ¥45.22 | 0.00 | 0.0% | ¥45.22 | ¥45.22 | ¥45.22 | 0 | |
| ¥45.22 | 0.00 | 0.0% | ¥45.22 | ¥45.22 | ¥45.22 | 0 | |
| ¥45.22 | 0.00 | 0.0% | ¥45.22 | ¥45.22 | ¥45.22 | 0 | |
| ¥45.22 | 0.00 | 0.0% | ¥45.22 | ¥45.22 | ¥45.22 | 0 | |
| ¥45.22 | 0.00 | 0.0% | ¥45.22 | ¥45.22 | ¥45.22 | 0 | |
| ¥45.22 | 0.00 | 0.0% | ¥45.22 | ¥45.22 | ¥45.22 | 0 | |
| ¥45.22 | 0.00 | 0.0% | ¥45.22 | ¥45.22 | ¥45.22 | 0 | |
| ¥45.22 | -0.77 | -1.7% | ¥45.33 | ¥46.68 | ¥43.88 | 64,559,563 | |
| ¥45.99 | +4.08 | +9.7% | ¥41.99 | ¥47.98 | ¥41.93 | 66,974,775 | |
| ¥41.91 | -3.31 | -7.3% | ¥45.00 | ¥45.40 | ¥41.81 | 53,667,903 | |
| ¥45.22 | -3.07 | -6.4% | ¥46.07 | ¥46.93 | ¥43.92 | 55,252,483 | |
| ¥48.29 | +4.09 | +9.3% | ¥44.00 | ¥48.50 | ¥42.35 | 68,221,605 | |
| ¥44.20 | -0.78 | -1.7% | ¥44.98 | ¥45.75 | ¥43.37 | 48,507,701 | |
| ¥44.98 | -3.05 | -6.4% | ¥49.10 | ¥49.18 | ¥43.00 | 71,369,715 | |
| ¥48.03 | -1.45 | -2.9% | ¥46.00 | ¥50.91 | ¥45.55 | 91,918,529 | |
| ¥49.48 | +5.86 | +13.4% | ¥43.62 | ¥49.90 | ¥43.62 | 89,359,192 | |
| ¥43.62 | +2.62 | +6.4% | ¥41.06 | ¥45.00 | ¥40.23 | 75,975,284 | |
| ¥41.00 | +1.63 | +4.1% | ¥40.50 | ¥41.87 | ¥39.68 | 63,577,655 | |
| ¥39.37 | -1.33 | -3.3% | ¥41.79 | ¥43.00 | ¥39.03 | 67,141,107 | |
| ¥40.70 | +0.50 | +1.2% | ¥40.54 | ¥41.27 | ¥39.50 | 56,492,056 | |
| ¥40.20 | -1.54 | -3.7% | ¥40.32 | ¥43.23 | ¥39.50 | 77,328,199 | |
| ¥41.74 | +2.81 | +7.2% | ¥39.18 | ¥42.95 | ¥38.75 | 79,271,218 | |
| ¥38.93 | +1.08 | +2.9% | ¥37.86 | ¥39.50 | ¥37.11 | 86,144,901 | |
| ¥37.85 | +4.88 | +14.8% | ¥31.35 | ¥38.70 | ¥31.35 | 94,354,886 | |
| ¥32.97 | +4.94 | +17.6% | ¥27.95 | ¥33.64 | ¥27.73 | 83,948,594 | |
| ¥28.03 | +1.35 | +5.1% | ¥26.91 | ¥28.51 | ¥26.16 | 49,944,632 | |
| ¥26.68 | -2.50 | -8.6% | ¥28.59 | ¥29.04 | ¥26.05 | 56,773,602 | |
| ¥29.18 | +0.30 | +1.0% | ¥32.00 | ¥32.80 | ¥29.01 | 66,050,565 | |
| ¥28.88 | -7.19 | -19.9% | ¥35.66 | ¥36.30 | ¥28.86 | 70,942,897 |
- Ticker
- Shanghai:688432
- Asset type
- Stock
- Sector
- Technology
- Industry
- Semiconductors
- Exchange
- Shanghai
- Currency
- CNY
What changed lately
Latest news release · Oct 29, 2026
(688432)"GRINM SEMICONDUCTOR MATERIALS CO., LTD."Report for Q3 2026
Latest news
(688432)"GRINM SEMICONDUCTOR MATERIALS CO., LTD."Report for Q3 2026
Oct 29, 2026
Closed ¥30.93 (-6.9%) on Oct 29, 2026
(688432)"GRINM SEMICONDUCTOR MATERIALS CO., LTD."Notice on Convening the 3rd Extraordinary General Meeting in 2026
Oct 29, 2026
Closed ¥30.93 (-6.9%) on Oct 29, 2026
(688432)"GRINM SEMICONDUCTOR MATERIALS CO., LTD."Announcement on Use of Temporarily Idle Raised Funds for Cash Management
Oct 29, 2026
Closed ¥30.93 (-6.9%) on Oct 29, 2026
(688432)"GRINM SEMICONDUCTOR MATERIALS CO., LTD."Announcement on Satisfaction of Exercise Conditions for the Second Exercise Period of the Initial Grant and the First Exercise Period of the Reserved Grant under the 2024 Stock Option Incentive Plan
Oct 29, 2026
Closed ¥30.93 (-6.9%) on Oct 29, 2026
(688432)"GRINM SEMICONDUCTOR MATERIALS CO., LTD."Announcement on Resolutions of the 20th Meeting of the 2nd Board of Directors
Oct 29, 2026
Closed ¥30.93 (-6.9%) on Oct 29, 2026
(688432)"GRINM SEMICONDUCTOR MATERIALS CO., LTD."Announcement on Extension of Certain Raised Funds Investment Projects
Oct 29, 2026
Closed ¥30.93 (-6.9%) on Oct 29, 2026
(688432)"GRINM SEMICONDUCTOR MATERIALS CO., LTD."Announcement on Change of Purpose of Repurchased Shares, Cancellation of Such Shares, Change of Registered Capital and Amendment to the Articles of Association
Oct 29, 2026
Closed ¥30.93 (-6.9%) on Oct 29, 2026
(688432)"GRINM SEMICONDUCTOR MATERIALS CO., LTD."Announcement on Cancellation of Granted but Non-exercisable Stock Options of the Initial Grant and Reserved Grant under the 2024 Stock Option Incentive Plan
Oct 29, 2026
Closed ¥30.93 (-6.9%) on Oct 29, 2026
(688432)"GRINM SEMICONDUCTOR MATERIALS CO., LTD."Announcement on Adjustment of Exercise Price under the 2024 Stock Option Incentive Plan
Oct 29, 2026
Closed ¥30.93 (-6.9%) on Oct 29, 2026
Financings
Shares (raising of supporting funds)
Sep 12, 2026
Update: raise
Announced Aug 29, 2026 · Update Sep 5, 2026 · Update Sep 12, 2026
GRINM Semiconductor Materials Co., Ltd. on 6ix
- Sector
- Technology
- Industry
- Semiconductors
- News releases
- 40 in the last 12 months · 69 in all · newest Oct 29, 2026 · oldest 2024
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