NYSE: IEX · Industrial Machinery
IDEX (IEX) fair value: undervalued or overvalued?
As of 1 Oct 2026, Faircurve's model values IDEX (IEX) at $211.30 a share. The stock last closed at $232.99, which puts the model's fair value 9.3% below the price. On the model's bands that reads as Fairly valued.
Revalued . Price is the close of 2 Oct 2026. IDEX Corporation.
Faircurve Insights · 1 Oct 2026
IDEX Corporation is an international enterprise specializing in engineered solutions across diverse sectors.
On 1 Oct 2026, Faircurve’s model gave a fair value of $211.30 a share, the midpoint of 2,000 simulations. The previous run, on 26 Sep 2026, gave $213.38; the fair value moved -1.0%. The calibrated range over 63 trading days is $177.28 to $257.64, built from the fair value, since there is no live options data for the stock, calibrated weekly against realised prices (4,327 past valuations, refreshed 26 Sep 2026). Ranges built this way held the price 60% of the time at this horizon. The evidence grade is High.
The overall quality score is 51 out of 100, a score against comparable companies. The comparable companies are Nordson Corporation (NDSN), ITT Inc. (ITT), Lennox International Inc. (LII), Graco Inc. (GGG), Generac Holdings Inc. (GNRC), Xylem Inc. (XYL), Watts Water Technologies, Inc. (WTS), and Crane Company (CR). The moves around the last 8 earnings reports, measured from the close before each report to the close after it, were 29 Jul 2026 +4.1%, 29 Apr 2026 +6.1%, 4 Feb 2026 +5.6%, 29 Oct 2025 +2.0%, 30 Jul 2025 -11.7%, 1 May 2025 +4.3%, 4 Feb 2025 -9.7%, and 29 Oct 2024 +6.7%. The median size, ignoring direction, was 5.9%.
Written from the figures on this page for the 1 Oct 2026 valuation and checked by rule before publishing: every number is one printed here, no forecast, no instruction. The price, the gap and the verdict are the page's own and change daily. Not a recommendation.
What price range does the model give IEX?
The calibrated range for IEX over 63 trading days is $177.28 to $257.64. There is no live options data for this stock, so the range is built from the fair value and calibrated weekly against realised prices (n = 4,327 past valuations, refreshed 26 Sep 2026). Ranges built this way held the price 60% of the time at this horizon.
The model's own simulated range, from the 20th to the 80th percentile of its runs, is $173.11 to $254.29. In 37% of the simulations the fair value came out above the price the model ran on.
How does IEX score on business quality?
IDEX's overall quality score is 51 out of 100. Each factor below is a score against comparable companies, not a percentile of the metric beside it.
| Factor | Score (0 to 100) | Headline measure | Peer median |
|---|---|---|---|
| ProfitabilityReturn on invested capital against the peer group, with a bonus for an improving trend. | 25 | 10.8%ROIC | 16.1% |
| Earnings qualityHow much of reported profit is cash: free cash flow to net income, and the accrual ratio (the share of earnings that is not cash). | 75 | 1.23xFCF / net income | 1.04x |
| Growth qualityTrailing revenue growth, forward growth from consensus, and the direction of analyst estimate revisions. | 63 | 5.8%Revenue growth, trailing | 5.4% |
| Capital disciplineReinvestment efficiency (capital spending per unit of revenue) and net buybacks. | 44 | 1.8%Net buybacks / market value | 1.8% |
| Balance sheetNet debt to EBITDA and interest coverage. | 57 | 1.40xNet debt / EBITDA | 1.30x |
| StabilityDownside volatility of the EBITDA margin over the last five years. | 56 | 0.9 ptsEBITDA margin downside volatility, 5y | 1.0 pts |
How does IEX compare with similar companies?
The companies in industrial machinery closest to IDEX in market value, each on the same model and the same date.
| Company | Last close | Model fair value | Gap | Model verdict |
|---|---|---|---|---|
| NDSN Nordson Corporation | $333.54 | $304.09 | -8.8% | Fairly valued |
| ITT ITT Inc. | $206.17 | $177.82 | -13.8% | Fairly valued |
| LII Lennox International Inc. | $356.30 | $391.56 | +9.9% | Fairly valued |
| GGG Graco Inc. | $78.00 | $82.96 | +6.4% | Fairly valued |
| GNRC Generac Holdings Inc. | $216.80 | $220.83 | +1.9% | Fairly valued |
| XYL Xylem Inc. | $101.79 | $107.21 | +5.3% | Fairly valued |
| WTS Watts Water Technologies, Inc. | $363.07 | $314.35 | -13.4% | Fairly valued |
| CR Crane Company | $208.20 | $163.99 | -21.2% | Overvalued |
When does IEX report earnings, and how has the stock reacted?
IDEX's next earnings report is scheduled for 28 Oct 2026. Companies can move their dates.
Options prices on 2 Oct 2026 imply a move of about 7.4% in either direction through the nearest expiry, about 48 days out, a window that includes the report. That is the size the market is pricing, not a direction.
How IEX moved around its last 8 earnings reports
Each move runs from the last close before the report to the first close after it, so it covers companies that report before the open and after the close. The median size across these 8 reports, ignoring direction, was 5.9%.
| Report date | Two session move |
|---|---|
| 29 Jul 2026 | +4.1% |
| 29 Apr 2026 | +6.1% |
| 4 Feb 2026 | +5.6% |
| 29 Oct 2025 | +2.0% |
| 30 Jul 2025 | -11.7% |
| 1 May 2025 | +4.3% |
| 4 Feb 2025 | -9.7% |
| 29 Oct 2024 | +6.7% |
IDEX at a glance
IDEX Corporation is an international enterprise specializing in engineered solutions across diverse sectors.
- Market value
- $17.0B
- Sector
- Industrials
- Industry
- Industrial Machinery
- Revenue expected, next twelve months
- $3.9B
- Consensus revenue growth, next fiscal year
- +6.8%
- Analysts with estimates
- 9
- Beta to the US market
- 0.65
- First valued by Faircurve
- 1 May 2026
How the fair value is worked out: the model prices IDEX on the value of the whole business, debt included, against the operating profit analysts expect next year (forward EV/EBITDA), runs 2,000 simulations across its inputs and takes the midpoint. The full method is documented here.
What changed in the latest valuation?
On 26 Sep 2026 the model's fair value for IEX was $213.38. As of 1 Oct 2026 it is $211.30, a change of -1.0%. The model revalues every stock it covers each week, and again after an earnings report.
Questions about IDEX's valuation
Is IDEX stock undervalued or overvalued?
On Faircurve's model, IEX reads as Fairly valued as of 1 Oct 2026. The model's fair value is $211.30 a share against a last close of $232.99, a gap of -9.3%.
What is IEX's fair value?
$211.30 a share as of 1 Oct 2026, the midpoint of 2,000 simulations. The model's own 20th to 80th percentile range is $173.11 to $254.29.
What price range does the model give IEX?
$177.28 to $257.64 over 63 trading days. Ranges built this way held the price 60% of the time across 4,327 past valuations, refreshed 26 Sep 2026.
When does IDEX report earnings next?
The next report is scheduled for 28 Oct 2026. Companies can move their dates.
How much has IEX moved on past earnings reports?
Across its last 8 reports the median two session move was 5.9%, ignoring direction. The largest was -11.7% around the report of 30 Jul 2025.
How confident is the model in this valuation?
The model's evidence grade for IEX is high. The grade looks at how complete the inputs are, how many comparable companies there are and how closely they agree, and how wide the range of outcomes is. It is not a probability that the fair value is right, or that the price reaches it.