営業経費、減損損失 - みずほ証券（連結）、投資損失引当金
- 【期間】
| 年度 | 営業経費 | 減損損失 - みずほ証券（連結） | 投資損失引当金 |
|---|
| 2008/03 | 1.12兆 | | - | | - | |
| 2009/03 | 1.19兆 | +6.1% | - | | - | |
| 2010/03 | 1.32兆 | +10.4% | - | | - | |
| 2011/03 | 1.29兆 | -2.4% | - | | - | |
| 2012/03 | 1.28兆 | -0.2% | - | | - | |
| 2013/03 | 1.24兆 | -3.1% | - | | - | |
| 2014/03 | 1.26兆 | +1.1% | 149百万 | | - | |
| 2015/03 | 1.35兆 | +7.4% | 859百万 | +476.5% | - | |
| 2016/03 | 1.35兆 | -0.1% | 843百万 | -1.9% | - | |
| 2017/03 | 1.47兆 | +8.7% | - | | - | |
| 2018/03 | 1.49兆 | +1.5% | - | | - | |
| 2019/03 | 1.43兆 | -3.9% | - | | - | |
| 2020/03 | 1.38兆 | -3.7% | - | | - | |
| 2021/03 | 1.41兆 | +2.6% | - | | - | |
| 2022/03 | 1.39兆 | -1.5% | - | | -107百万 | |
| 2023/03 | 1.45兆 | +3.8% | - | | - | |
