West Pharmaceutical Services vs Intuitive Surgical: Fair Value & Quality
Both stocks run through our valuation models. Here is how West Pharmaceutical Services (WST) and Intuitive Surgical (ISRG) compare, as of Aug 14, 2026.
Head-to-head numbers
Green value = the better side for that row (for valuation multiples: lower = cheaper).
Even match: 6 to 6 metric wins.
Dash = not meaningfully computable, for example with negative equity.
Quality in detail
The quality score, broken down into the same factor families as on the stock page, 0 to 100 per family.
What the models say
The median fair value (base case) per model family, each in the currency of its trading venue. Green = above the current price, red = below.
West Pharmaceutical Services
24 of 24 models see the stock below the current price.
Intuitive Surgical
26 of 26 models see the stock below the current price.
Scenario ranges
From our cautious bear case to the optimistic bull case. The white tick is the current price: left of fair value means room to run.
Compare two other stocks
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Ranked within their sector
Where each stock sits within its sector peer group. Band = middle 50% of peers, tick = median, dot = this stock.
West Pharmaceutical Services · Health Care
Intuitive Surgical · Health Care
Bottom line
As of Aug 14, 2026, Fair Value Calculator sees West Pharmaceutical Services as the less overvalued of the two: West Pharmaceutical Services trades at $346 versus a fair value of $142 (-59%), while Intuitive Surgical trades at $401 versus $150 (-63%).
Intuitive Surgical has the higher quality score (72/100).
See the full analysis →More comparisons
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A model-based valuation snapshot from 21 models. Values change with price and fundamentals; the date shown above applies.