Old Second Bancorp Inc (OSBC) Market Capitalization (2011 - 2026)
Old Second Bancorp's Market Capitalization came in at $1.19 billion for Q2 2026, up 48.6% from $799.3 million a year earlier and up 14.0% from the prior quarter.
Old Second Bancorp Inc (OSBC) Market Capitalization (2011 - 2026) Analysis & Trends
For FY2025, Old Second Bancorp's Market Capitalization was $1.03 billion, up 28.7% from FY2024.
- Market Capitalization carries a five-year compound annual growth rate of 28.2% (FY2020 to FY2025).
- Going back by year, Market Capitalization was $797.85 million in FY2024 (+15.6%), $690.14 million in FY2023 (-3.5%), $715.1 million in FY2022 (+88.0%) and $380.33 million in FY2021 (+28.4%).
- The Q2 2026 figure represents the highest quarterly Market Capitalization in data going back to Q1 2011.
- Year-over-year, Market Capitalization has increased for nine consecutive quarters, with growth averaging 27.3% over the last eight quarters.
- The fastest year-over-year change in Market Capitalization over five years came in Q4 2022 (growth of 88.0%), and the weakest in Q4 2023 (a decline of 3.5%).
- Business Quant data shows OSBC's Market Capitalization at $1.04 billion (Q1 2026), $1.03 billion (Q4 2025) and $910.57 million (Q3 2025) in the three quarters before Q2 2026.
Peer Comparison
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 1.19 Bn |
| Mar 31, 2026 | 1.04 Bn |
| Dec 31, 2025 | 1.03 Bn |
| Sep 30, 2025 | 910.57 Mn |
| Jun 30, 2025 | 799.30 Mn |
| Mar 31, 2025 | 749.58 Mn |
| Dec 31, 2024 | 797.85 Mn |
| Sep 30, 2024 | 699.23 Mn |
| Jun 30, 2024 | 664.22 Mn |
| Mar 31, 2024 | 620.66 Mn |
| Dec 31, 2023 | 690.14 Mn |
| Sep 30, 2023 | 608.16 Mn |
| Jun 30, 2023 | 583.33 Mn |
| Mar 31, 2023 | 627.99 Mn |
| Dec 31, 2022 | 715.10 Mn |
| Sep 30, 2022 | 581.67 Mn |
| Jun 30, 2022 | 596.24 Mn |
| Mar 31, 2022 | 645.13 Mn |
| Dec 31, 2021 | 380.33 Mn |
| Sep 30, 2021 | 374.92 Mn |
Old Second Bancorp Inc 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=OSBC&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "market-capitalization", "ticker": "OSBC", "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=OSBC&period=max&api_key=YOUR_API_KEY");
const data = await res.json();