Old Second Bancorp Inc (OSBC) Tax Rate (2014 - 2026)
Old Second Bancorp's Tax Rate was 25.53% in Q2 2026, up 0.23 percentage points from 25.30% a year earlier and up 0.64 percentage points from the prior quarter.
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Analysis
Old Second Bancorp Inc (OSBC) Tax Rate (2014 - 2026) Analysis & Trends
On a trailing twelve-month basis, Old Second Bancorp's Tax Rate was 25.61% through Jun 30, 2026, up 1.28 percentage points year-over-year; for FY2025, it came in at 25.47%, up 0.95 percentage points from FY2024.
- Tax Rate shows a five-year change of -0.15 percentage points (FY2020 to FY2025).
- In earlier years, Tax Rate was 24.52% in FY2024 (-1.75 pp), 26.27% in FY2023 (-0.11 pp), 26.37% in FY2022 (-1.70 pp) and 28.07% in FY2021 (+2.46 pp).
- Quarterly Tax Rate has moved between 21.42% (Q4 2021) and 26.92% (Q4 2023) over five years.
- Compared with a year earlier, Tax Rate has increased for five straight quarters, with an average year-over-year change of -0.10 percentage points over the last eight quarters.
- The best year-over-year quarter for Tax Rate over five years was Q4 2022 (a gain of 4.44 percentage points); the worst was Q4 2021 (a drop of 8.04 percentage points).
- Per Business Quant data, OSBC's Tax Rate in the three quarters before Q2 2026 was 24.89% (Q1 2026), 26.69% (Q4 2025) and 24.46% (Q3 2025).
Peer Set
Peer Comparison
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 25.53% |
| Mar 31, 2026 | 24.89% |
| Dec 31, 2025 | 26.69% |
| Sep 30, 2025 | 24.46% |
| Jun 30, 2025 | 25.30% |
| Mar 31, 2025 | 24.31% |
| Dec 31, 2024 | 24.68% |
| Sep 30, 2024 | 23.11% |
| Jun 30, 2024 | 25.01% |
| Mar 31, 2024 | 25.33% |
| Dec 31, 2023 | 26.92% |
| Sep 30, 2023 | 25.09% |
| Jun 30, 2023 | 26.91% |
| Mar 31, 2023 | 26.26% |
| Dec 31, 2022 | 25.86% |
| Sep 30, 2022 | 26.54% |
| Jun 30, 2022 | 26.56% |
| Mar 31, 2022 | 26.90% |
| Sep 30, 2021 | 25.75% |
| Jun 30, 2021 | 26.33% |
API Access
Old Second Bancorp Inc Tax Rate 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=tax-rate&ticker=OSBC&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "tax-rate", "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=tax-rate&ticker=OSBC&period=max&api_key=YOUR_API_KEY");
const data = await res.json();