Equity market data for quarter ending June 2019
For an explanation of the measures used in this release, see Information Sheet 177 Quarterly cash equity market data: Methodology and definitions (INFO 177).
Summary
Tables
Table 1: Market characteristics – average for June quarter 2019
Table 2: Measures of market concentration
Table 3: Measures of market efficiency
Graphs
Figure 1: Market share – June quarter 2019
Figure 2: Australia – average daily turnover
Figure 3: Average trade size by execution venue
Figure 4: Dark liquidity proportion of total value traded
Figure 5: Order-to-trade ratio
Figure 6: Intraday trading profile – June quarter 2019
Figure 10: Effective bid–ask spreads
Figure 11: Quoted bid–ask spreads
Figure 12: Depth at five price steps as basis points of issued securities
Equity market data from other quarters
Summary of June quarter data
In the June 2019 quarter, the ASX accounted for 82.5% of the total dollar turnover in equity market products. Chi-X accounted for the remaining 17.5% of total dollar turnover. This is a decrease in ASX's market share from the last quarter where it was 83.4%. These figures include all trades executed on order book, as well as trades matched off order book and reported to either market operator. On order book turnover (excluding ASX auctions) as a proportion of total dollar turnover increased to 59.4% in the June quarter from 58.9% in the March quarter. Trade reporting turnover as a proportion of total dollar turnover decreased to 19.2%, compared to 19.9% in the March quarter.
ASX’s market share, measured by the Herfindahl-Hirschman Index (HHI) measure of market concentration of public order book volumes, was unchanged at 0.66 for the June quarter (maximum 1.00).
Turnover in the Australian equity market increased over the June quarter at a daily average of $6.82 billion. June 2019 set a monthly record for market activity with $7.67 billion value traded per day.
The overall order-to-trade ratio decreased to 6.9:1 in the June quarter, from 7.1:1 in the March quarter.
The quoted spread for the S&P/ASX 200 index decreased to 12 bps of the midpoint price over the quarter, compared to 12.9 bps in the March quarter. For all securities, the quoted spread increased by 0.1 bps to 19.6 bps of the midpoint price.
Table 1: Market characteristics – Average for June quarter 2019
Statistics |
ASX on-order book |
ASX auctions |
ASX Centre Point |
ASX trade reporting |
Chi-X on-order book |
Chi-X trade reporting |
Total |
Number of trades per day, |
1,271,822 |
45,849 |
197,397 |
36,105 |
478,723 |
96,119 |
2,126,026 |
(market share) |
59.8% |
2.2% |
9.3% |
1.7% |
22.5% |
4.5% |
100.0% |
Value traded, $ million/day |
2,958.8 |
1,454.2 |
466.3 |
742.6 |
627.9 |
567.8 |
6,817.5 |
(market share) |
43.4% |
21.3% |
6.8% |
10.9% |
9.2% |
8.3% |
100.0% |
Order-to-trade ratio |
5.6 |
na |
na |
na |
10.5 |
na |
6.9 |
Average trade size ($/trade) |
2,324 |
31,517 |
2,363 |
20,464 |
1,310 |
5,901 |
3,199 |
Table 2: Measures of market concentration
Statistics |
Jun-18 |
Apr-19 |
May-19 |
Jun-19 |
Total market |
0.43 |
0.42 |
0.43 |
0.42 |
Public venues |
0.67 |
0.66 |
0.65 |
0.68 |
Table 3: Measures of market efficiency
Market efficiency statistics |
Mar-18 |
Jan-19 |
Feb-19 |
Mar-19 |
Quoted bid-ask spread, bps |
||||
- All stocks |
21.6 |
19.3 |
19.7 |
19.7 |
- S&P/ASX200 stocks |
12.6 |
12.2 |
11.5 |
12.4 |
Effective bid-ask spread, bps |
||||
- All stocks |
17.6 |
15.6 |
16.1 |
16.3 |
- S&P/ASX200 stocks |
9.5 |
9.2 |
8.8 |
9.6 |
Depth at best 5 price steps |
6.9 |
11.9 |
10.4 |
11.3 |
S&P/ASX200 |
2.4 |
4.1 |
3.3 |
3.0 |