Westpac Banking (WBKCY) Market Capitalization (2011 - 2025)
Westpac Banking (WBKCY) posted Market Capitalization of $85.44 billion for fiscal Q4 2025 (quarter ended Sep 30, 2025).
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Analysis
Westpac Banking (WBKCY) Market Capitalization (2011 - 2025) Analysis & Trends
Since fiscal Q1 2018, Westpac Banking has reported Market Capitalization for 16 quarters.
- Annual Market Capitalization shows a five-year compound annual growth rate of 10.6% (FY2020 to FY2025).
- In prior fiscal years, Westpac Banking's Market Capitalization was $64.75 billion in FY2024 (+23.1%), $52.61 billion in FY2023 (-5.7%), $55.78 billion in FY2022 (-0.6%) and $56.1 billion in FY2021 (+8.7%).
- The fiscal Q4 2025 figure stands as the highest quarterly Market Capitalization in data going back to fiscal Q1 2018.
- The strongest year-over-year quarter for Market Capitalization in the past five years was fiscal Q1 2021, with growth of 95.3%; the weakest was fiscal Q1 2023, with a decline of 21.5%.
Peer Set
Peer Comparison
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2025 | 85.44 Bn |
| Mar 31, 2025 | 68.37 Bn |
| Dec 31, 2024 | 64.75 Bn |
| Sep 30, 2024 | 76.95 Bn |
| Mar 31, 2024 | 59.69 Bn |
| Dec 31, 2023 | 52.61 Bn |
| Sep 30, 2023 | 47.72 Bn |
| Mar 31, 2023 | 50.97 Bn |
| Dec 31, 2022 | 55.78 Bn |
| Sep 30, 2022 | 45.48 Bn |
| Mar 31, 2022 | 64.95 Bn |
| Dec 31, 2021 | 56.10 Bn |
| Sep 30, 2021 | 67.94 Bn |
| Mar 31, 2021 | 67.15 Bn |
| Dec 31, 2020 | 51.59 Bn |
| Sep 30, 2020 | 43.88 Bn |
| Mar 31, 2020 | 34.39 Bn |
| Dec 31, 2019 | 56.37 Bn |
| Sep 30, 2019 | 68.82 Bn |
| Mar 31, 2019 | 3.39 Bn |
API Access
Westpac Banking Market Capitalization API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=market-capitalization&ticker=WBKCY&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "market-capitalization", "ticker": "WBKCY", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=market-capitalization&ticker=WBKCY&period=max&api_key=YOUR_API_KEY");
const data = await res.json();