As of the market close on August 18, data from Zhitong Finance reveals that NE ELECTRIC (00042), ZHEJIANG SHIBAO (01057), and SINOPEC SSC (01033) hold the top three positions in the A-H share premium ratio rankings, with premiums of 993.12%, 369.53%, and 315.15%, respectively.

At the other end of the spectrum, CATL (03750), CM BANK (03968), and ZJ INNOLIGHT (03308) occupy the bottom three spots with negative premiums of -27.03%, -4.46%, and -3.82%, respectively.

Where to begin analyzing this data

Looking at deviation values, which measure the difference between the current premium and the 30-day average premium, JINGCHENG MAC (00187) leads with a deviation of 55.31%, followed by BEFAR GROUP (06745) at 29.87% and ZHEJIANG SHIBAO (01057) at 26.67%.

On the contrary, the lowest deviation values are recorded by NANHUA FUTURES (02691) at -79.48%, SMIC (00981) at -26.18%, and DRINDA (02865) at -22.79%.

Leading AH premium stocks overview

The top ten ranked by premium ratio include NE ELECTRIC (00042) with an H-share price of HK$0.247 and A-share price of RMB2.25, reflecting a 993.12% premium with a 21.96% deviation; ZHEJIANG SHIBAO (01057) at HK$3.955 versus RMB15.53, yielding a 369.53% premium and 26.67% deviation; and SINOPEC SSC (01033) at HK$0.660 against RMB2.29, showing a 315.15% premium and 4.96% deviation.

Additional names on this list include HOLLY FUTURES (03678) with a 308.05% premium and 7.41% deviation, ANDRE JUICE (02218) at 297.67% premium with 4.79% deviation, FUDANZHANGJIANG (01349) showing 292.34% premium and 17.76% deviation, and JINGCHENG MAC (00187) with a 281.25% premium and 55.31% deviation.

Furthermore, CHENMING PAPER (01812) records a 261.60% premium with a -0.70% deviation, TRIUMPH NEW EN (01108) posts a 257.32% premium and 11.99% deviation, and NANJING PANDA (00553) completes the top ten with a 254.19% premium and 17.61% deviation.

Bottom-ranked AH premium stocks

Among the lowest premium ratios, CATL (03750) stands at HK$650.500 versus RMB396.26, showing a -27.03% premium with a -0.29% deviation; CM BANK (03968) trades at HK$48.000 against RMB38.29, reflecting a -4.46% premium and -0.72% deviation; and ZJ INNOLIGHT (03308) is priced at HK$1,223.000 versus RMB982, yielding a -3.82% premium and -6.42% deviation.

The list also includes WUXI APPTEC (02359) with a -2.41% premium and 1.90% deviation, GIGADEVICE (03986) at 1.61% premium with 0.48% deviation, WEICHAI POWER (02338) showing 3.51% premium and 2.87% deviation, and MIDEA GROUP (00300) with a 4.01% premium and -2.25% deviation.

Additionally, LUXSHARE ICT (02475) records a 12.95% premium with -6.15% deviation, ZIJIN MINING (02899) posts a 12.99% premium and -2.12% deviation, and BANKCOMM (03328) closes the bottom ten with a 14.36% premium and -1.09% deviation.

Highest deviation movers analysis

When ranked by deviation value, JINGCHENG MAC (00187) tops the chart at 55.31%, followed by BEFAR GROUP (06745) with a 167.86% premium and 29.87% deviation, and ZHEJIANG SHIBAO (01057) at 26.67% deviation.

Other notable names include HANS CNC (03200) with a 223.81% premium and 24.98% deviation, NE ELECTRIC (00042) at 21.96% deviation, CANSINOBIO (06185) showing a 181.22% premium and 21.08% deviation, and SHANDONG MOLONG (00568) with a 96.52% premium and 19.40% deviation.

Further down the list, FUDANZHANGJIANG (01349) records a 17.76% deviation, NANJING PANDA (00553) posts 17.61% deviation, and HX BLDG MAT (06655) completes the top ten with a 94.93% premium and 16.38% deviation.

Lowest deviation stocks review

Conversely, the lowest deviation values are seen in NANHUA FUTURES (02691) at -79.48% with a 14.25% premium, SMIC (00981) showing -26.18% deviation with a 113.16% premium, and DRINDA (02865) at -22.79% deviation with a 194.30% premium.

The list also includes DELTON (01989) with a 49.42% premium and -17.29% deviation, YOFC (06869) showing a 214.28% premium and -15.34% deviation, and CCTC (06951) with a 19.71% premium and -14.63% deviation.

Additionally, ANKER (00668) records a 15.31% premium with -13.78% deviation, CIG (06166) posts a 120.64% premium and -11.95% deviation, SANHUA (02050) shows a 7.12% premium with -10.69% deviation, and LENS (06613) closes the bottom ten with a 95.25% premium and -10.58% deviation.

Note: The above data was automatically generated by Zhitong Robotics using artificial intelligence algorithms based on Hong Kong Stock Exchange data. Accuracy is not guaranteed to be 100%. The deviation value represents the difference between the current premium rate and the stock's 30-day average premium rate.