WallStSmart
CALX

Calix Inc

NYSE: CALX · TECHNOLOGY · SOFTWARE - INFRASTRUCTURE

$41.68
-0.83% today

Updated 2026-04-29

Market cap
$2.66B
P/E ratio
85.06
P/S ratio
2.51x
EPS (TTM)
$0.49
Dividend yield
52W range
$41 – $71
Volume
1.0M

Calix Inc (CALX) Stock Valuation Analysis

Fair value estimate, historical valuation range, and quality signals for CALX.

WallStSmart Verdict
Overvalued

Current price exceeds what fundamentals support. Risk/reward skewed unfavorably.

Smart Value Score: 39 / 100
P/E (TTM)
85.1x
vs 5Y median of 87.0x
PEG
3.34
Elevated vs growth
Margin of Safety
-6.90%
Fair value $49.29 vs $41.68
EV / EBITDA
0.0x

CALX historical valuation range

Where current P/E sits in CALX's own 5Y range.

NOW
11.2x
5Y Low
43.7x
25th
87.0x
Median
121.1x
75th
198.3x
5Y High
CALX is trading cheaper than 56% of the last 5Y.
44th percentile · Below median

CALX intrinsic value (DCF)

DCF-based fair value estimate vs current market price.

Current price
$41.68
Market value
Intrinsic value
$49.29
DCF estimate
Margin of safety
-6.90%
+18.3% upside to fair value

Intrinsic value calculated using discounted cash flow (DCF) model based on projected free cash flows, discount rate, and terminal growth assumptions. A positive margin of safety indicates the current price is below estimated fair value, providing a cushion against estimation error.

CALX valuation signals

Quick-read green flags, caution flags, and risks based on current metrics.

PEG above 2.0
PEG of 3.34 suggests price is running ahead of growth rate. Caution warranted.
!
P/E in mid-range
P/E sits at the 44th percentile of the 5Y range. Neither cheap nor rich historically.
!
Near fair value
-6.90% margin of safety. Price is close to DCF estimate.

P/E Ratio — History

Current: 85.06x

P/S Ratio — History

Current: 2.51x

Is CALX overvalued in 2026?

Calix Inc (CALX) currently trades at $41.68 per share with a market capitalization of $2,658,446,000.00. Based on our multi-factor framework, the stock appears richly valued with a Smart Value Score of 39/100. This score blends growth quality, financial health, and price attractiveness into a single institutional-grade read.

The stock trades at a P/E ratio of 85.1x, below its 5-year median of 87.0x. The PEG ratio of 3.34 indicates the price has run ahead of the underlying growth rate.

Looking at its own history, CALX is currently trading cheaper than 56% of the last 5Y on P/E. This places it in the 44th percentile of its historical range, a reasonable but unremarkable position.

Our discounted cash flow model estimates CALX's intrinsic value at $49.29 per share, against the current market price of $41.68. This implies a premium to fair value of -6.90%. The stock is priced close to its estimated fair value, offering limited upside without further operational improvement.

The Piotroski F-Score of 4/9 puts financial quality in a middling range, neither a standout strength nor an obvious red flag.

Bottom line: CALX appears richly valued on our framework, with a Smart Value Score of 39/100. At current levels the risk/reward is skewed against the buyer. A materially lower price or significant operational improvement would be needed to change the picture.

Frequently asked questions

Is CALX overvalued in 2026?

Based on a Smart Value Score of 39/100, CALX appears overvalued. Current price exceeds what fundamentals currently justify.

What is CALX's fair value?

Our DCF model estimates CALX's intrinsic value at $49.29 per share, versus the current price of $41.68. This produces a margin of safety of -6.90%.

What P/E ratio does CALX trade at?

CALX trades at a P/E of 85.1x on trailing twelve-month earnings, compared to its 5-year median of 87.0x.

Is CALX a buy based on valuation?

WallStSmart does not issue buy or sell recommendations. Our Smart Value Score of 39/100 reflects the combined read on growth, quality, and price. The profile skews cautious. Consider waiting for a better price or clearer operational improvement.

How does CALX's valuation compare to its history?

On P/E, CALX currently sits in the 44th percentile of its own 5Y range. That is below its long-run median relative to where it has traded over the period.

What is CALX's Smart Value Score?

CALX's Smart Value Score is 39/100. The Smart Value Score is a proprietary WallStSmart metric blending growth quality, financial health, and valuation attractiveness into a single 0-100 read. Scores above 75 are rare and indicate strong multi-factor alignment.