As of the market close on April 21st, NE ELECTRIC (00042), ZHEJIANG SHIBAO (01057), and SINOPEC SSC (01033) recorded the highest AH share premium rates, at 592.31%, 329.12%, and 296.34% respectively. Conversely, CATL (03750), GIGADEVICE (03986), and CM BANK (03968) showed the lowest premium rates, at -27.15%, -16.81%, and -6.99% respectively.

In terms of deviation value, which measures the difference between the current premium rate and the 30-day average premium rate, NE ELECTRIC (00042), VGT (02476), and YOFC (06869) occupied the top three positions with deviations of 69.47%, 25.83%, and 23.66% respectively. On the other end, GOLDWIND (02208), CHENMING PAPER (01812), and DYNAGREEN ENV (01330) were at the bottom of the deviation ranking, with values of -30.15%, -23.59%, and -22.79% respectively.

**Top Ten AH Share Premium Rates (Descending Order)** Stock Name | H Share (HKD) | A Share (CNY) | Premium Rate↓ | Deviation Value ---|---|---|---|--- NE ELECTRIC (00042) | 0.39 | 2.25 | 592.31% | 69.47% ZHEJIANG SHIBAO (01057) | 5.77 | 20.67 | 329.12% | -1.92% SINOPEC SSC (01033) | 0.82 | 2.71 | 296.34% | 22.04% HOLLY FUTURES (03678) | 2.77 | 9.14 | 295.31% | 5.57% ANDRE JUICE (02218) | 16.50 | 45.65 | 231.39% | 19.41% FUDANZHANGJIANG (01349) | 2.82 | 7.76 | 229.43% | 2.21% NANJING PANDA (00553) | 4.92 | 13.18 | 220.93% | -5.18% TRIUMPH NEW EN (01108) | 3.87 | 9.96 | 208.27% | -9.62% JINGCHENG MAC (00187) | 4.46 | 11.36 | 205.16% | -12.59% CHINA LONGYUAN (00916) | 6.36 | 15.75 | 196.70% | 18.59%

**Bottom Ten AH Share Premium Rates (Ascending Order)** Stock Name | H Share (HKD) | A Share (CNY) | Premium Rate↑ | Deviation Value ---|---|---|---|--- CATL (03750) | 736.00 | 447.6 | -27.15% | -3.12% GIGADEVICE (03986) | 441.00 | 306.27 | -16.81% | -1.79% CM BANK (03968) | 51.35 | 39.87 | -6.99% | -2.41% WUXI APPTEC (02359) | 121.00 | 98.34 | -2.65% | -2.45% HENGRUI PHARMA (01276) | 66.90 | 55.84 | -0.01% | -2.27% WEICHAI POWER (02338) | 31.98 | 26.93 | 0.88% | -2.85% MIDEA GROUP (00300) | 90.95 | 79.5 | 4.71% | -3.09% SANY HEAVY IND (06031) | 21.92 | 19.93 | 8.90% | -2.03% BYD COMPANY (01211) | 109.10 | 101.69 | 11.64% | -6.27% ZIJIN MINING (02899) | 38.20 | 35.66 | 11.81% | -0.94%

**Top Ten AH Share Deviation Values (Descending Order)** Stock Name | H Share (HKD) | A Share (CNY) | Premium Rate | Deviation Value↓ ---|---|---|---|--- NE ELECTRIC (00042) | 0.39 | 2.25 | 592.31% | 69.47% VGT (02476) | 315.00 | 330.9 | 25.83% | 25.83% YOFC (06869) | 211.00 | 381.58 | 116.62% | 23.66% SINOPEC SSC (01033) | 0.82 | 2.71 | 296.34% | 22.04% JIHONG CO (02603) | 13.12 | 18.34 | 67.45% | 20.24% ANDRE JUICE (02218) | 16.50 | 45.65 | 231.39% | 19.41% CHINA LONGYUAN (00916) | 6.36 | 15.75 | 196.70% | 18.59% NANHUA FUTURES (02691) | 10.86 | 20.55 | 126.61% | 11.94% NSING TECH (02701) | 11.95 | 21.09 | 111.38% | 10.44% CHALIECO (02068) | 2.64 | 6.35 | 188.26% | 10.35%

**Bottom Ten AH Share Deviation Values (Ascending Order)** Stock Name | H Share (HKD) | A Share (CNY) | Premium Rate | Deviation Value↑ ---|---|---|---|--- GOLDWIND (02208) | 16.61 | 26.06 | 87.90% | -30.15% CHENMING PAPER (01812) | 1.14 | 2.54 | 166.67% | -23.59% DYNAGREEN ENV (01330) | 6.02 | 8.23 | 63.79% | -22.79% CIG (06166) | 125.70 | 161.17 | 53.58% | -20.19% DONGJIANG ENV (00895) | 2.10 | 4.17 | 137.62% | -18.46% COMEC (00317) | 15.48 | 30.53 | 136.24% | -16.48% FLAT GLASS (06865) | 10.17 | 14.65 | 72.57% | -16.03% FIBOCOM (00638) | 13.59 | 25.88 | 128.11% | -15.35% GUANGSHEN RAIL (00525) | 2.39 | 3.06 | 53.56% | -15.00% CICC (03908) | 19.94 | 33.93 | 103.81% | -14.81%

Note: The deviation value represents the difference between the current premium rate and the stock's average premium rate over the past 30 days.