| Group (NOKm) | 2Q | 1Q | 4Q | 3Q | 2Q | 1Q | 4Q | 3Q | 2Q |
| 2017 | 2017 | 2016 | 2016 | 2016 | 2016 | 2015 | 2015 | 2015 | |
| Profitability | |||||||||
| Return on equity per quarter | 10.5 % | 9.4 % | 12.2 % | 11.3 % | 12.9 % | 8.9 % | 8.4 % | 7.4 % | 13.4 % |
| Cost-income ratio | 50 % | 51 % | 43 % | 44 % | 44 % | 47 % | 54 % | 56 % | 47 % |
| Balance sheet figures | |||||||||
| Gross loans to customers | 107,358 | 104,117 | 102,325 | 99,569 | 97,790 | 95,331 | 93,974 | 94,917 | 94,179 |
| Gross loans incl. SB1 Boligkreditt and SB1 Næringskreditt | 143,800 | 140,038 | 137,535 | 134,462 | 132,583 | 129,520 | 127,378 | 126,180 | 124,519 |
| Deposits from customers | 75,559 | 70,176 | 67,168 | 66,290 | 67,031 | 63,851 | 64,090 | 63,620 | 66,186 |
| Total assets | 149,449 | 142,042 | 138,080 | 139,815 | 141,145 | 134,345 | 131,914 | 129,237 | 130,888 |
| Average total assets | 145,746 | 140,061 | 138,948 | 140,480 | 137,745 | 133,129 | 130,575 | 130,063 | 127,288 |
| Growth in loans incl. SB1 Boligkreditt and SB1 Næringskredtt last 12 months | 8.5 % | 8.1 % | 8.0 % | 6.6 % | 6.5 % | 5.4 % | 5.8 % | 8.3 % | 8.4 % |
| Growth in deposits last 12 months | 12.7 % | 9.9 % | 4.8 % | 4.2 % | 1.3 % | 5.4 % | 5.6 % | 9.5 % | 11.4 % |
| Losses and defaults in % of gross loans incl. SB1 Boligkreditt and SB1 Næringskreditt | |||||||||
| Impairment losses ratio | 0.24 % | 0.26 % | 0.29 % | 0.39 % | 0.36 % | 0.53 % | 0.18 % | 0.18 % | 0.11 % |
| Non-performing commitm. as a percentage of gross loans | 0.18 % | 0.15 % | 0.16 % | 0.16 % | 0.19 % | 0.16 % | 0.16 % | 0.17 % | 0.23 % |
| Other doubtful commitm. as a percentage of gross loans | 0.80 % | 0.77 % | 1.07 % | 1.01 % | 0.90 % | 0.32 % | 0.31 % | 0.36 % | 0.30 % |
| Solidity | |||||||||
| Common equity tier 1 | 15.0 % | 14.8 % | 14.9 % | 14.3 % | 14.1 % | 13.6 % | 13.6 % | 13.2 % | 12.7 % |
| Core capital ratio | 16.9 % | 16.8 % | 17.0 % | 16.3 % | 16.1 % | 15.6 % | 15.6 % | 15.2 % | 14.6 % |
| Capital adequacy ratio | 19.1 % | 19.0 % | 19.4 % | 18.8 % | 18.7 % | 18.1 % | 18.3 % | 17.9 % | 17.3 % |
| Core capital | 15,622 | 15,254 | 15,069 | 14,736 | 14,604 | 14,237 | 13,988 | 13,451 | 13,142 |
| Net equity and related capital | 17,649 | 17,288 | 17,185 | 17,011 | 16,882 | 16,516 | 16,378 | 15,886 | 15,577 |
| Liquidity Coverage Ratio (LCR) | 160 % | 136 % | 129 % | 138 % | 149 % | 110 % | 118 % | 76 % | 102 % |
| Leverage Ratio | 7.2 % | 7.4 % | 7.4 % | 7.1 % | 6.8 % | 6.8 % | 6.7 % | 6.7 % | 6.5 % |
| Key figures ECC | |||||||||
| ECC share price at end of period (NOK) | 71.75 | 66.50 | 64.75 | 55.75 | 46.70 | 52.75 | 50.50 | 54.00 | 65.50 |
| Number of certificates issued, millions | 129.83 | 129.83 | 129.83 | 129.83 | 129.83 | 129.83 | 129.83 | 129.83 | 129.83 |
| Booked equity capital per ECC (including dividend) | 73.85 | 72.03 | 73.26 | 71.17 | 69.18 | 67.37 | 67.65 | 65.52 | 64.18 |
| Profit per ECC, majority | 1.92 | 1.73 | 2.21 | 2.00 | 2.21 | 1.49 | 1.45 | 1.26 | 2.13 |
| Price-Earnings Ratio | 9.34 | 9.59 | 7.34 | 6.98 | 5.27 | 8.83 | 8.71 | 10.72 | 7.70 |
| Price-Book Value Ratio | 0.97 | 0.92 | 0.88 | 0.78 | 0.68 | 0.78 | 0.75 | 0.82 | 1.02 |