• Timing: There are six auction sessions during the trading day, each lasting an hour.

  • Order Placement: Investors can place, modify, or cancel orders during the first 45 minutes.

  • Matching: Orders are matched in the next eight minutes.

  • Confirmation: Resulting trades are confirmed, and there’s a seven-minute buffer before the next session.



Session No.

Start Time

Order Placement

Order Matching

Buffer Period

1

09:30

09:30 AM - 10:15 AM

10:15 AM - 10:23 AM

10:24 AM -10:30 AM

2

10:30

10:30 AM - 11:15 AM

11:15 AM - 11:23 AM

11:24 AM - 11:30 AM

3

11:30

11:30 AM - 12:15 PM

12:15 PM - 12:23 PM

12:24 PM - 12:30 PM

4

12:30

12:30 PM - 1:15 PM

01:15 PM - 01:23 PM

01:24 PM - 01:30 PM

5

13:30

01:30 PM - 02:15 PM

02:15 PM - 02:23 PM

02:24 PM - 02:30 PM

6

14:30

02:30 PM - 03:15 PM

03:15 PM - 03:23 PM

03:24 PM - 03:30 PM


For instance, "ABC Ltd", a small-scale manufacturer of specialized machinery. Due to niche demand and limited public awareness, its stocks are rarely traded, averaging about 8,000 shares daily with around 30 trades. As it meets the criteria, "ABC Ltd" falls under the periodic call auction category. A trader wanting to buy shares of "ABC Ltd" would place his order during the designated times, and if a matching sell order exists, the trade would execute.