Merck & Co., Inc. (MRK) operating KPIs
MRKNYSEPharmaceutical PreparationsFiscal year ends December 31
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 7, 2026Score 9/30242% above fair value
$146.33+5.40 (+3.83%)
Close on Oct 29, 2026Market cap $361.02BP/E 117.1Yield 2.24%
Latest, FY2025
14.4%
Period ended Dec 31, 2025
Change on a year earlier
-2.4 pts
16.8% in FY2024
History
5 years
Since FY2020
Sources
4
Documents cited below
Annual history
Hover a value to see the sentence it was read from; calculated values show their formula
| Period | Ended | Non-GAAP Effective Income Tax Rate (%) (%) | Year on year | Source |
|---|---|---|---|---|
| FY2025 | Dec 31, 2025 | 14.4% | -2.4 pts | Form 8-K (tm264564d1_ex99-1.htm, filed 2026-02-03) ↗ |
| FY2024 | Dec 31, 2024 | 16.8% | -19.0 pts | Form 8-K (tm264564d1_ex99-1.htm, filed 2026-02-03) ↗ |
| FY2023 | Dec 31, 2023 | 35.8% | +21.6 pts | Form 8-K (tm255059d1_ex99-1.htm, filed 2025-02-04) ↗ |
| FY2022 | Dec 31, 2022 | 14.2% | – | Form 8-K (tm244517d1_ex99-1.htm, filed 2024-02-01) ↗ |
| FY2020 | Dec 31, 2020 | 15.2% | – | Form 8-K (tm222755d1_ex99-1.htm, filed 2022-02-03) ↗ |
Cite this data
StockData. (2026). Merck Non-GAAP Effective Income Tax Rate (%) (%), annual FY2020–FY2025 [Data set]. Compiled from Merck SEC filings and investor materials. https://stockdatahq.com/stocks/mrk/kpis/nongaap_etr
See every metric in the Merck KPI table. Data updated Oct 26, 2026.