Equity market data for quarter ending March 2020

For an explanation of the measures used in this release, see Information Sheet 177 Quarterly cash equity market data: Methodology and definitions (INFO 177).

Equity market data from other quarters

Summary of March quarter data

In the March 2020 quarter, the ASX accounted for 85.1% of the total dollar turnover in equity market products. Chi-X accounted for the remaining 14.9% of total dollar turnover. This is an increase in ASX's market share from the last quarter where it was 84.1%. 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 64.9% in the March quarter from 59.5% in the December quarter. Trade reporting turnover as a proportion of total dollar turnover decreased to 16.1%, compared to 18.9% in the December quarter.

ASX’s market share, measured by the Herfindahl-Hirschman Index (HHI) measure of market concentration of public order book volumes, was unchanged at 0.68 for the March quarter (maximum 1.00).

Turnover in the Australian equity market increased over the March quarter to a daily average of $9.45 billion.

The overall order-to-trade ratio decreased from 7.2:1 in the December quarter to 7.1:1 in the March quarter.

The quoted spread for the largest 200 stocks increased to 13.3 bps of the midpoint price over the quarter, compared to 11.6 bps in the December quarter. For all securities, the quoted spread increased by 2.0 bps to 21.9 bps of the midpoint price.

Table 1: Market characteristics – Average for March quarter 2020

Statistics

ASX on book

ASX auctions

ASX Centre point

ASX trade reporting

Chi-X on book

Chi-X trade reporting

Total

Number of trades per day,

1,788,028

53,214

198,778

59,867

624,371

101,870

2,826,129

(market share)

63.3%

1.9%

7.0%

2.1%

22.1%

3.6%

100.0%

Value traded, $ million/day

4,696.7

1,796.1

594.7

954.2

839.6

565.7

9,447.0

(market share)

49.7%

19.0%

6.3%

10.1%

8.9%

6.0%

100.0%

Order-to-trade ratio

5.8

na

6.4

na

11.2

na

7.1

Average trade size ($/trade)

2,585

33,182

2,913

15,532

1,343

5,561

3,307

Table 2: Measures of market concentration

Statistics

Mar-19

Jan-20

Feb-20

Mar-20

Total market

0.41

0.45

0.42

0.51

Public venues

0.66

0.68

0.67

0.70

Table 3: Measures of market efficiency

Market efficiency statistics

Mar-19

Jan-20

Feb-20

Mar-20

Quoted bid-ask spread, bps

All securities

19.6

19.1

19.9

26.9

Largest 200 stocks

12.6

11.4

11.7

16.7

Effective bid-ask spread, bps

All securities

14.7

13.8

14.4

19.4

Largest 200 stocks

9.2

7.9

8.1

12.4

Best depth, $

All securities

605,126

685,952

689,181

387,855

Largest 200 stocks

552,311

383,959

374,240

165,747

Figure 1: Market share – March quarter 2020

Figure1

Figure 2: Australia – Average daily turnover

Figure2

Figure 3: Average trade size by execution venue

Figure3

Figure 4: Dark liquidity proportion of total value traded

Figure4

Figure 5: Order-to-trade ratio

Figure5

Figure 6: Intraday trading profile – March quarter 2020

Figure6

Figure 7: Intraday volatility

Figure7

Figure 8: Interday volatility

Figure8

Figure 9: Herfindahl index

Figure9

Figure 10: Effective bid-ask spreads

Figure10

Figure 11: Quoted bid-ask spreads

Figure11

Figure 12: Depth at best bid and ask prices

Figure12

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Last updated: 30/03/2021 09:22