Market Share Data on Hang Seng Index Futures 
16/10/2017 
 
  Week
Oct 2- Oct 6
Week
Oct 9- Oct 13
Top 10 Exchange Participants' Long Open Interest (Contracts, End-period) 146,577 147,308
% of Market Open Interest* 90.72% 88.59%
Participant 1 12.92% 13.35%
Participant 2 12.09% 12.12%
Participant 3 11.82% 11.75%
Participant 4 10.56% 10.38%
Participant 5 8.94% 8.47%
Participant 6 8.73% 7.84%
Participant 7 8.43% 7.69%
Participant 8 7.64% 7.22%
Participant 9 7.16% 7.18%
Participant 10 2.43% 2.60%
Top 10 Exchange Participants' Short Open Interest (Contracts, End-period) 136,439 138,215
% of Market Open Interest* 84.45% 82.82%
Participant 1 10.97% 10.58%
Participant 2 10.27% 10.57%
Participant 3 9.40% 9.87%
Participant 4 8.83% 9.50%
Participant 5 8.60% 8.63%
Participant 6 8.49% 7.40%
Participant 7 7.99% 7.07%
Participant 8 7.17% 6.87%
Participant 9 6.95% 6.79%
Participant 10 5.76% 5.54%
Top 10 Exchange Participants' Long and Short Turnover (Contracts) 402,220 682,761
% of Market Long and Short Turnover* 68.74% 71.34%
Participant 1 22.76% 22.15%
Participant 2 13.92% 16.94%
Participant 3 5.76% 7.00%
Participant 4 5.26% 5.58%
Participant 5 4.78% 5.17%
Participant 6 3.79% 3.34%
Participant 7 3.68% 3.14%
Participant 8 3.48% 2.80%
Participant 9 2.80% 2.71%
Participant 10 2.51% 2.51%
Top 10 Exchange Participants' Long Turnover (Contracts) 200,392 341,921
% of Market Long Turnover* 68.50% 71.46%
Participant 1 22.70% 22.17%
Participant 2 13.83% 16.75%
Participant 3 5.36% 7.00%
Participant 4 5.17% 5.66%
Participant 5 4.79% 5.16%
Participant 6 4.15% 3.34%
Participant 7 3.67% 3.36%
Participant 8 3.44% 2.80%
Participant 9 2.81% 2.72%
Participant 10 2.58% 2.50%
Top 10 Exchange Participants' Short Turnover (Contracts) 201,911 340,840
% of Market Short Turnover* 69.03% 71.23%
Participant 1 22.82% 22.14%
Participant 2 14.00% 17.13%
Participant 3 6.17% 7.00%
Participant 4 5.36% 5.51%
Participant 5 4.77% 5.18%
Participant 6 3.69% 3.34%
Participant 7 3.53% 2.92%
Participant 8 3.44% 2.81%
Participant 9 2.78% 2.69%
Participant 10 2.47% 2.51%
Hang Seng Index Futures Turnover  85,991 79,582
% of Total Cash Market Turnover 29.43% 16.60%
Number of Active Exchange Participants  146 144
* Figures may not add up to total due to rounding