As of the close on October 21, the top three companies with the highest AH premium rates are NE Electric 00042 at 881.82%, Holly Futures 03678 at 248.18%, and Zhejiang Shibao 01057 at 247.12%. Conversely, the bottom three are CATL 03750 at -17.23%, CM Bank 03968 at 1.09%, and Hengrui Pharma 01276 at 1.64%.

In terms of deviation values, NE Electric 00042 leads with 68.11%, followed by Shandong Molong 00568 at 29.50%, and YOFC 06869 at 28.06%. On the contrary, the lowest deviation values are from SH Electric 02727 at -27.72%, Sinotrans 00598 at -17.01%, and COSCO Ship Energy 01138 at -15.18%.

**Top Ten AH Stocks by Premium Rate** | Stock Name | H Share (HKD) | A Share | Premium Rate ↓ | Deviation Value | |-------------------------|----------------|-----------|----------------|------------------| | NE Electric 00042 | 0.275 | 2.25 | 881.82% | 68.11% | | Holly Futures 03678 | 3.84 | 11.16 | 248.18% | 18.60% | | Zhejiang Shibao 01057 | 4.69 | 13.59 | 247.12% | 23.76% | | Andre Juice 02218 | 15.96 | 46.05 | 245.61% | 17.95% | | Sinopec SSC 01033 | 0.84 | 2.32 | 27.38% | 4.84% | | Fudan Zhangjiang 01349 | 3.34 | 9.12 | 26.35% | 16.90% | | Chenming Paper 01812 | 0.79 | 2.08 | 15.19% | 16.52% | | Triumph New Energy 01108 | 4.07 | 10.56 | 10.81% | 11.29% | | Jingcheng Machinery 00187 | 4.65 | 11.66 | 0.43% | 0.76% | | Nanjing Panda 00553 | 4.92 | 11.89 | 89.43% | 19.39% |

**Bottom Ten AH Stocks by Premium Rate** | Stock Name | H Share (HKD) | A Share | Premium Rate ↑ | Deviation Value | |-----------------------------------|----------------|-----------|----------------|------------------| | CATL 03750 | 544.00 | 375.90 | -17.23% | -2.71% | | CM Bank 03968 | 49.74 | 41.98 | 1.09% | -3.46% | | Hengrui Pharma 01276 | 78.10 | 66.27 | 1.64% | 4.78% | | Midea Group 00300 | 82.35 | 72.91 | 6.05% | -0.39% | | Zijin Mining 02899 | 32.34 | 30.03 | 11.22% | 4.98% | | Fuyao Glass 03606 | 69.25 | 65.41 | 3.13% | -0.09% | | Weichai Power 02338 | 15.19 | 14.58 | 14.94% | -1.82% | | CITIC Securities 06030 | 30.56 | 29.36 | 15.09% | -5.43% | | Wuxi Apptec 02359 | 105.60 | 102.04 | 15.74% | 1.46% | | Minsheng Bank 01988 | 4.14 | 4.05 | 17.15% | -0.73% |

**Top Ten AH Stocks by Deviation Value** | Stock Name | H Share (HKD) | A Share | Premium Rate | Deviation Value ↓ | |-----------------------------------|----------------|-----------|--------------|------------------| | NE Electric 00042 | 0.275 | 2.25 | 881.82% | 68.11% | | Shandong Molong 00568 | 4.52 | 7.74 | 105.09% | 29.50% | | YOFC 06869 | 39.40 | 87.98 | 167.46% | 28.06% | | Zhejiang Shibao 01057 | 4.69 | 13.59 | 247.12% | 23.76% | | Nanjing Panda 00553 | 4.92 | 11.89 | 89.43% | 19.39% | | Chalico 02068 | 2.49 | 5.39 | 159.44% | 18.75% | | Holly Futures 03678 | 3.84 | 11.16 | 248.18% | 18.60% | | Andre Juice 02218 | 15.96 | 46.05 | 245.61% | 17.95% | | Fudan Zhangjiang 01349 | 3.34 | 9.12 | 26.35% | 16.90% | | Chenming Paper 01812 | 0.79 | 2.08 | 15.19% | 16.52% |

**Bottom Ten AH Stocks by Deviation Value** | Stock Name | H Share (HKD) | A Share | Premium Rate | Deviation Value ↑ | |-----------------------------------------------|----------------|-----------|--------------|------------------| | SH Electric 02727 | 4.66 | 9.26 | 137.98% | -27.72% | | Sinotrans 00598 | 5.43 | 6.33 | 9.04% | -17.01% | | COSCO Ship Energy 01138 | 10.23 | 12.59 | 47.41% | -15.18% | | China Southern Airlines 01055 | 4.63 | 6.53 | 68.90% | -12.07% | | China Eastern Airlines 00670 | 3.99 | 4.86 | 45.86% | -11.20% | | Sichuan Express 00107 | 5.05 | 5.72 | 35.64% | -10.08% | | FIRST TRACTOR 00038 | 7.40 | 12.65 | 104.73% | -8.78% | | Hao Hai Biotec 06826 | 26.76 | 50.23 | 124.85% | -8.14% | | Air China 00753 | 6.23 | 8.56 | 3.40% | -7.49% | | CITIC Securities 06030 | 30.56 | 29.36 | 15.09% | -5.43% |

**Note**: The data above is automatically generated by AI from the Hong Kong Stock Exchange data and does not guarantee 100% accuracy. The deviation value is the difference between the current premium rate and the average premium rate over the past 30 days.