Ptc Therapeutics, Inc. (PTCT) Tax Rate (2017 - 2026)
Ptc Therapeutics (PTCT) reported Tax Rate of 14.40% for Q2 2026, up 5.67 percentage points from 8.73% a year earlier and up 28.50 percentage points from the prior quarter.
Powered by 
Analysis
Ptc Therapeutics, Inc. (PTCT) Tax Rate (2017 - 2026) Analysis & Trends
Over the twelve months ended Jun 30, 2026, Ptc Therapeutics' Tax Rate came in at 42.78%, up 37.23 percentage points year-over-year; for FY2025, it came in at 2.01%, up 2.05 percentage points from FY2024.
- Tax Rate has a five-year change of +10.75 percentage points (FY2020 to FY2025).
- By year, Tax Rate came in at -0.05% in FY2024 (-10.03 pp), 9.98% in FY2023 (+5.14 pp), 4.85% in FY2022 (+5.92 pp) and -1.07% in FY2021 (+7.67 pp).
- Five-year quarterly Tax Rate spans a low of -15.68% in Q2 2024 and a high of 168.89% in Q3 2025.
- Year over year, Tax Rate gained in five of the last eight quarters, with an average year-over-year change of +21.87 percentage points.
- The high point for year-over-year Tax Rate in five years was Q3 2025 (a gain of 177.73 percentage points); the low point was Q2 2024 (a drop of 31.94 percentage points).
- Per Business Quant data, the three quarters before Q2 2026 came in at -14.09% (Q1 2026), 2.96% (Q4 2025) and 168.89% (Q3 2025).
Peer Set
Peer Comparison
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 14.40% |
| Mar 31, 2025 | 6.80% |
| Dec 31, 2017 | 39.47% |
API Access
Ptc Therapeutics, 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=PTCT&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "tax-rate", "ticker": "PTCT", "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=PTCT&period=max&api_key=YOUR_API_KEY");
const data = await res.json();