Vertex Pharmaceuticals Inc (VRTX) Daily/Weekly Backtest Results
*Transaction costs, taxes and dividends are excluded from these calculations. Past performance may not necessarily be a reliable guide to future performance.
Calculations for Vertex Pharmaceuticals
Expectancy is the percentage profit or loss you would expect to make on the next purchase of this stock with an entry point at the specified signal and profit target as set above. Given a large enough sample size, a positive expectancy indicates the trading strategy is likely to be profitable.
Expectancy calculation for 18 signal(s) occurring before 22 April 2024 for a 7.5% profit target: (94.44% * 8.99%) + (5.56% * 0.11%) - (0% * 0%) = 8.49%.
Wins: 17 Breakevens: 1 Losses: 0
To even out CAGR calculations, large individual returns from particularly quick trades have been capped at 300%.
The Sharpe Ratio calculation assumes a risk free return rate of 2% per calendar year. Ideally the ratio should be a positive number. A higher positive number indicates the strategy has a more attractive risk adjusted rate of return for this particular buy signal and stock over the chart's timeframe.
Vertex Pharmaceuticals Analysis
Market sector: Energy.
External links: Seeking Alpha Research, Zacks Research.
These links may show useful information about why a stock's price has fallen significantly.
Williams %R (Weekly) Backtest Summary (Fixed Profits System)
This table summarises how profitable it would have been to have bought this stock at each Williams %R (Weekly) entry signal. Hover over the icons to see more details of the particular trade, including the maximum percentage drawdown and how long it took to reach the desired percentage profit.
Key:
= profit point not achieved.
= profit point achieved with CAGR above 15%.
= profit point achieved with CAGR of between 5% and 15%.
= profit point achieved but CAGR was less than 5%.
| Signal Date and Score | Buy Signal | Price | Performance (mouseover for details) | ||||
|---|---|---|---|---|---|---|---|
| 5% | 6% | 7.5% | 10% | 20% | |||
| 07 April 2026 LOW smart_toy0.85 | Williams %R (Weekly) | $ 433.68 | |||||
| 05 August 2025 MEDIUM smart_toy0.777 | Williams %R (Weekly) | $ 391.60 | |||||
| 08 May 2025 MEDIUM smart_toy0.985 | Williams %R (Weekly) | $ 429.88 | |||||
| 19 November 2024 MEDIUM smart_toy0.93 | Williams %R (Weekly) | $ 455.40 | |||||
| 23 September 2024 MEDIUM smart_toy0.543 | Williams %R (Weekly) | $ 462.46 | |||||
| 10 April 2024 MEDIUM smart_toy0.691 | Williams %R (Weekly) | $ 398.74 | |||||
| 16 November 2023 MEDIUM smart_toy0.742 | Williams %R (Weekly) | $ 346.86 | |||||
| 09 January 2023 MEDIUM smart_toy0.802 | Williams %R (Weekly) | $ 286.66 | |||||
| 20 September 2021 MEDIUM smart_toy0.571 | Williams %R (Weekly) | $ 186.28 | |||||
| 11 June 2021 MEDIUM smart_toy0.621 | Williams %R (Weekly) | $ 193.53 | |||||
| 18 February 2021 MEDIUM smart_toy0.79 | Williams %R (Weekly) | $ 211.70 | |||||
| 15 October 2020 MEDIUM smart_toy0.723 | Williams %R (Weekly) | $ 221.42 | |||||
| 08 September 2020 MEDIUM smart_toy0.594 | Williams %R (Weekly) | $ 260.20 | |||||
| 12 March 2020 HIGH smart_toy0.969 | Williams %R (Weekly) | $ 205.32 | |||||
| 17 April 2019 MEDIUM smart_toy0.678 | Williams %R (Weekly) | $ 173.71 | |||||
| 24 December 2018 HIGH smart_toy0.941 | Williams %R (Weekly) | $ 153.66 | |||||
| 24 October 2018 MEDIUM smart_toy0.84 | Williams %R (Weekly) | $ 169.06 | |||||
| 05 June 2018 MEDIUM smart_toy0.676 | Williams %R (Weekly) | $ 147.72 | |||||
| 04 December 2017 MEDIUM smart_toy0.617 | Williams %R (Weekly) | $ 140.39 | |||||
| 26 October 2017 MEDIUM smart_toy0.778 | Williams %R (Weekly) | $ 144.32 | |||||
| 21 December 2016 LOW smart_toy0.874 | Williams %R (Weekly) | $ 74.45 | |||||
| 11 October 2016 LOW smart_toy0.369 | Williams %R (Weekly) | $ 83.40 | |||||
| 16 March 2016 LOW smart_toy0.609 | Williams %R (Weekly) | $ 80.68 | |||||
The data for Vertex Pharmaceuticals Inc (exchange: XNAS symbol: VRTX) was last updated 30 Apr 2026 07:53. Data for this stock is available from 01 Dec 2015 - 29 Apr 2026.