ChipMOS Technologies Inc (IMOS)
Earnings
Annual and quarterly EPS data presented alongside analyst estimates, earnings surprises, and historical growth statistics. The side-by-side view of reported versus estimated EPS — combined with surprise percentage and report timing — allows investors to assess whether a company consistently beats, meets, or misses market expectations, and how that track record has evolved across full economic cycles.
Earnings annual
Fiscal date endingReported EPS
Dec 31, 2015
1.36
Dec 31, 2016
17.25
Dec 31, 2017
0.97
Dec 31, 2018
0.9901
Dec 31, 2019
2.2901
Dec 31, 2020
2.1822
Dec 31, 2021
4.9842
Dec 31, 2022
3.0512
Dec 31, 2023
1.6512
Dec 31, 2024
1.2109
Dec 31, 2025
0.1822
Mar 31, 2026
0.4547
Jun 30, 2026
1.2547
Calculation
Growth rate
-0.67%
Average
2.91
Maximum
Dec 31, 2016
17.25
Minimum
Dec 31, 2025
0.1822
Median
Dec 31, 2015
1.36
Earnings quarterly
| Fiscal date ending | Sep 30, 2014 |
| Reported date | Nov 12, 2014 |
| Report time | PRE_MARKET |
| Reported EPS | 0.63 |
| Estimated EPS | 0.41 |
| Surprise | 0.22 |
| Surprise (%) | 53.6585% |
| Fiscal date ending | Mar 31, 2015 |
| Reported date | May 11, 2015 |
| Report time | PRE_MARKET |
| Reported EPS | 0.08 |
| Estimated EPS | 0.12 |
| Surprise | -0.04 |
| Surprise (%) | -33.3333% |
| Fiscal date ending | Jun 30, 2015 |
| Reported date | Aug 10, 2015 |
| Report time | PRE_MARKET |
| Reported EPS | 0.48 |
| Estimated EPS | 0.24 |
| Surprise | 0.24 |
| Surprise (%) | 100% |
| Fiscal date ending | Sep 30, 2015 |
| Reported date | Nov 12, 2015 |
| Report time | PRE_MARKET |
| Reported EPS | 0.07 |
| Estimated EPS | 0.33 |
| Surprise | -0.26 |
| Surprise (%) | -78.7879% |
| Fiscal date ending | Dec 31, 2015 |
| Reported date | Mar 10, 2016 |
| Report time | PRE_MARKET |
| Reported EPS | 0.1 |
| Estimated EPS | 0.2 |
| Surprise | -0.1 |
| Surprise (%) | -50% |
| Fiscal date ending | Mar 31, 2016 |
| Reported date | May 12, 2016 |
| Report time | PRE_MARKET |
| Reported EPS | 0.1 |
| Estimated EPS | 0.12 |
| Surprise | -0.02 |
| Surprise (%) | -16.6667% |
| Fiscal date ending | Jun 30, 2016 |
| Reported date | Aug 10, 2016 |
| Report time | POST_MARKET |
| Reported EPS | 0.02 |
| Estimated EPS | 0.09 |
| Surprise | -0.07 |
| Surprise (%) | -77.7778% |
| Fiscal date ending | Sep 30, 2016 |
| Reported date | Nov 10, 2016 |
| Report time | POST_MARKET |
| Reported EPS | 0.19 |
| Estimated EPS | 0.22 |
| Surprise | -0.03 |
| Surprise (%) | -13.6364% |
| Fiscal date ending | Dec 31, 2016 |
| Reported date | Mar 9, 2017 |
| Report time | PRE_MARKET |
| Reported EPS | 16.94 |
| Estimated EPS | 3.27 |
| Surprise | 13.67 |
| Surprise (%) | 418.0428% |
| Fiscal date ending | Mar 31, 2017 |
| Reported date | Apr 20, 2017 |
| Report time | PRE_MARKET |
| Reported EPS | 0.39 |
| Estimated EPS | 0.12 |
| Surprise | 0.27 |
| Surprise (%) | 225% |
| Fiscal date ending | Jun 30, 2017 |
| Reported date | Aug 10, 2017 |
| Report time | PRE_MARKET |
| Reported EPS | 0.25 |
| Estimated EPS | 0.27 |
| Surprise | -0.02 |
| Surprise (%) | -7.4074% |
| Fiscal date ending | Sep 30, 2017 |
| Reported date | Nov 9, 2017 |
| Report time | PRE_MARKET |
| Reported EPS | 0.18 |
| Estimated EPS | 0.22 |
| Surprise | -0.04 |
| Surprise (%) | -18.1818% |
| Fiscal date ending | Dec 31, 2017 |
| Reported date | Mar 15, 2018 |
| Report time | PRE_MARKET |
| Reported EPS | 0.15 |
| Estimated EPS | 0.13 |
| Surprise | 0.02 |
| Surprise (%) | 15.3846% |
| Fiscal date ending | Mar 31, 2018 |
| Reported date | May 10, 2018 |
| Report time | PRE_MARKET |
| Reported EPS | 0.07 |
| Estimated EPS | 0.15 |
| Surprise | -0.08 |
| Surprise (%) | -53.3333% |
| Fiscal date ending | Jun 30, 2018 |
| Reported date | Aug 9, 2018 |
| Report time | PRE_MARKET |
| Reported EPS | 0.1 |
| Estimated EPS | 0.21 |
| Surprise | -0.11 |
| Surprise (%) | -52.381% |
| Fiscal date ending | Sep 30, 2018 |
| Reported date | Nov 8, 2018 |
| Report time | PRE_MARKET |
| Reported EPS | 0.36 |
| Estimated EPS | 0.17 |
| Surprise | 0.19 |
| Surprise (%) | 111.7647% |
| Fiscal date ending | Dec 31, 2018 |
| Reported date | Mar 7, 2019 |
| Report time | PRE_MARKET |
| Reported EPS | 0.4601 |
| Estimated EPS | 0.37 |
| Surprise | 0.0901 |
| Surprise (%) | 24.3514% |
| Fiscal date ending | Mar 31, 2019 |
| Reported date | May 7, 2019 |
| Report time | PRE_MARKET |
| Reported EPS | 0.1747 |
| Estimated EPS | 0.21 |
| Surprise | -0.0353 |
| Surprise (%) | -16.8095% |
| Fiscal date ending | Jun 30, 2019 |
| Reported date | Aug 6, 2019 |
| Report time | POST_MARKET |
| Reported EPS | 1.1 |
| Estimated EPS | 0.97 |
| Surprise | 0.13 |
| Surprise (%) | 13.4021% |
| Fiscal date ending | Sep 30, 2019 |
| Reported date | Nov 6, 2019 |
| Report time | POST_MARKET |
| Reported EPS | 0.5288 |
| Estimated EPS | 0.53 |
| Surprise | -0.0012 |
| Surprise (%) | -0.2264% |
| Fiscal date ending | Dec 31, 2019 |
| Reported date | Mar 10, 2020 |
| Report time | POST_MARKET |
| Reported EPS | 0.4866 |
| Estimated EPS | 0.53 |
| Surprise | -0.0434 |
| Surprise (%) | -8.1887% |
| Fiscal date ending | Mar 31, 2020 |
| Reported date | May 6, 2020 |
| Report time | POST_MARKET |
| Reported EPS | 0.6 |
| Estimated EPS | 0.51 |
| Surprise | 0.09 |
| Surprise (%) | 17.6471% |
| Fiscal date ending | Jun 30, 2020 |
| Reported date | Aug 11, 2020 |
| Report time | POST_MARKET |
| Reported EPS | 0.5101 |
| Estimated EPS | 0.51 |
| Surprise | 0.0001 |
| Surprise (%) | 0.0196% |
| Fiscal date ending | Sep 30, 2020 |
| Reported date | Nov 10, 2020 |
| Report time | POST_MARKET |
| Reported EPS | 0.4069 |
| Estimated EPS | 0.5737 |
| Surprise | -0.1668 |
| Surprise (%) | -29.0744% |
| Fiscal date ending | Dec 31, 2020 |
| Reported date | Mar 16, 2021 |
| Report time | POST_MARKET |
| Reported EPS | 0.6652 |
| Estimated EPS | 0.6621 |
| Surprise | 0.0031 |
| Surprise (%) | 0.4682% |
| Fiscal date ending | Mar 31, 2021 |
| Reported date | May 11, 2021 |
| Report time | POST_MARKET |
| Reported EPS | 0.9442 |
| Estimated EPS | 0.9405 |
| Surprise | 0.0037 |
| Surprise (%) | 0.3934% |
| Fiscal date ending | Jun 30, 2021 |
| Reported date | Aug 10, 2021 |
| Report time | POST_MARKET |
| Reported EPS | 1.27 |
| Estimated EPS | 1.27 |
| Surprise | 0 |
| Surprise (%) | 0% |
| Fiscal date ending | Sep 30, 2021 |
| Reported date | Nov 8, 2021 |
| Report time | POST_MARKET |
| Reported EPS | 1.38 |
| Estimated EPS | 1.38 |
| Surprise | 0 |
| Surprise (%) | 0% |
| Fiscal date ending | Dec 31, 2021 |
| Reported date | Feb 24, 2022 |
| Report time | POST_MARKET |
| Reported EPS | 1.39 |
| Estimated EPS | 1.39 |
| Surprise | 0 |
| Surprise (%) | 0% |
| Fiscal date ending | Mar 31, 2022 |
| Reported date | Apr 14, 2022 |
| Report time | POST_MARKET |
| Reported EPS | 1.13 |
| Estimated EPS | 1.14 |
| Surprise | -0.01 |
| Surprise (%) | -0.8772% |
| Fiscal date ending | Jun 30, 2022 |
| Reported date | Aug 4, 2022 |
| Report time | POST_MARKET |
| Reported EPS | 1.21 |
| Estimated EPS | 1.21 |
| Surprise | 0 |
| Surprise (%) | 0% |
| Fiscal date ending | Sep 30, 2022 |
| Reported date | Nov 3, 2022 |
| Report time | POST_MARKET |
| Reported EPS | 0.5709 |
| Estimated EPS | 0.5711 |
| Surprise | -0.0002 |
| Surprise (%) | -0.035% |
| Fiscal date ending | Dec 31, 2022 |
| Reported date | Feb 23, 2023 |
| Report time | POST_MARKET |
| Reported EPS | 0.1403 |
| Estimated EPS | 0.141 |
| Surprise | -0.0007 |
| Surprise (%) | -0.4965% |
| Fiscal date ending | Mar 31, 2023 |
| Reported date | Apr 13, 2023 |
| Report time | PRE_MARKET |
| Reported EPS | 0.18 |
| Estimated EPS | 0.16 |
| Surprise | 0.02 |
| Surprise (%) | 12.5% |
| Fiscal date ending | Jun 30, 2023 |
| Reported date | Aug 3, 2023 |
| Report time | PRE_MARKET |
| Reported EPS | 0.56 |
| Estimated EPS | 0.3326 |
| Surprise | 0.2274 |
| Surprise (%) | 68.3704% |
| Fiscal date ending | Sep 30, 2023 |
| Reported date | Nov 2, 2023 |
| Report time | PRE_MARKET |
| Reported EPS | 0.5 |
| Estimated EPS | 0.47 |
| Surprise | 0.03 |
| Surprise (%) | 6.383% |
| Fiscal date ending | Dec 31, 2023 |
| Reported date | Mar 21, 2024 |
| Report time | PRE_MARKET |
| Reported EPS | 0.4112 |
| Estimated EPS | 0.4171 |
| Surprise | -0.0059 |
| Surprise (%) | -1.4145% |
| Fiscal date ending | Mar 31, 2024 |
| Reported date | May 9, 2024 |
| Report time | PRE_MARKET |
| Reported EPS | 0.3806 |
| Estimated EPS | 0.369 |
| Surprise | 0.0116 |
| Surprise (%) | 3.1436% |
| Fiscal date ending | Jun 30, 2024 |
| Reported date | Aug 13, 2024 |
| Report time | PRE_MARKET |
| Reported EPS | 0.3823 |
| Estimated EPS | 0.51 |
| Surprise | -0.1277 |
| Surprise (%) | -25.0392% |
| Fiscal date ending | Sep 30, 2024 |
| Reported date | Nov 5, 2024 |
| Report time | PRE_MARKET |
| Reported EPS | 0.2544 |
| Estimated EPS | 0.55 |
| Surprise | -0.2956 |
| Surprise (%) | -53.7455% |
| Fiscal date ending | Dec 31, 2024 |
| Reported date | Feb 22, 2025 |
| Report time | PRE_MARKET |
| Reported EPS | 0.1936 |
| Estimated EPS | 0.4876 |
| Surprise | -0.294 |
| Surprise (%) | -60.2953% |
| Fiscal date ending | Mar 31, 2025 |
| Reported date | Apr 15, 2025 |
| Report time | PRE_MARKET |
| Reported EPS | 0.1474 |
| Estimated EPS | 0.18 |
| Surprise | -0.0326 |
| Surprise (%) | -18.1111% |
| Fiscal date ending | Jun 30, 2025 |
| Reported date | Aug 12, 2025 |
| Report time | PRE_MARKET |
| Reported EPS | -0.75 |
| Estimated EPS | 0.2895 |
| Surprise | -1.0395 |
| Surprise (%) | -359.0674% |
| Fiscal date ending | Sep 30, 2025 |
| Reported date | Nov 11, 2025 |
| Report time | PRE_MARKET |
| Reported EPS | 0.333 |
| Estimated EPS | 0.2454 |
| Surprise | 0.0876 |
| Surprise (%) | 35.6968% |
| Fiscal date ending | Dec 31, 2025 |
| Reported date | Feb 24, 2026 |
| Report time | PRE_MARKET |
| Reported EPS | 0.4518 |
| Estimated EPS | 0.335 |
| Surprise | 0.1168 |
| Surprise (%) | 34.8657% |
| Fiscal date ending | Mar 31, 2026 |
| Reported date | May 12, 2026 |
| Report time | PRE_MARKET |
| Reported EPS | 0.4547 |
| Estimated EPS | 0.1533 |
| Surprise | 0.3014 |
| Surprise (%) | 196.608% |
| Fiscal date ending | Jun 30, 2026 |
| Reported date | Aug 11, 2026 |
| Report time | POST_MARKET |
| Reported EPS | 0.8 |
| Estimated EPS | |
| Surprise | 0 |
| Surprise (%) | % |
Calculation
Growth rate
0.52%
Average
0.795
Maximum
Dec 31, 2016
16.94
Minimum
Jun 30, 2025
-0.75
Median
Sep 30, 2020
0.4069