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Research & education only — not financial advice.TENK is not a registered investment adviser; calls are impersonal, generated from SEC filings and a delayed/third-party price feed, and may be wrong or out of date. The operator and an affiliated trading operation may hold or trade the securities TENK rates — see Disclosures. Do your own research.

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Home›Stocks›CALX
CALX logo

CALX

CALIX, INC

Next earnings Jul 20, 2026 · consensus $0.42 EPS, $296M rev

Last earnings -3.8% on 2026-04-21

Hold
$38.48
▲ +6.74%
$38.48▼ -27.66%
over 1Y
L $35.20H $68.42
Earnings Dividend Split Congress buy Congress sellGrouped by date · hover a pin to expand
Today+6.7%
1W+9.3%
1M-2.6%
3M-17.0%
YTD-28.2%
1Y-27.7%
OverviewFinancialsValuationQualityTimelineFilings
Rating
Hold
Quality
C+
Valuation
Overvalued
Filings
Clean
Hold
Conviction
Horizon
Long (>12mo)
12-mo target
$•••
Street · 14 analysts
Buy

Recovering broadband-platform play with a fortress balance sheet and heavy buybacks, but thin GAAP margins make a 139x P/E hard to chase.

Revenue (FY2025) $1.00B · FY2025

The read

Middling fundamentals and a rich price (~76% above fair value) leave little margin of safety — a wait-and-see.

Calix is mid-recovery, not broken. FY2025 revenue rebounded to $1.00B (+20.3%) after an ugly 18% drop in FY2024, gross margin is a healthy 56.8%, and operating cash flow nearly doubled to $135M against just $19.4M of capex — so real free cash flow is roughly $116M, a ~5% yield on the $2.37B cap. The balance sheet is a genuine asset: liabilities/equity of only 0.23x, cash up 231% to $143M, and per the 10-K MD&A $388.1M of cash plus marketable securities with effectively no debt. Management is voting with the checkbook — $93.6M repurchased in FY2025 (up 776%), a fresh $125M authorization in January 2026, and $148.7M already bought back in 2026 to date — shrinking the 65.6M share count and signaling they view the stock as cheap.

The problem is that GAAP profitability remains thin and the headline price already discounts a recovery that has only partly arrived. Operating margin is just 2.1% and ROE 2.1%; the 138.7x trailing P/E and 2.4x sales bake in substantial future margin expansion. The earnings 'history' is misleading — FY2021's $238M net income sits against a still-negative -$372M accumulated deficit, so it was almost certainly a one-time tax item, not operating strength, and the company actually lost $29.7M in FY2024. R&D of $190M (19% of revenue) keeps GAAP earnings suppressed even as cash generation is solid.

Is CALX a buy? The one-page verdict, explained →

The options angle

model · matches our verdict
Covered call~90d expiry
  • Long 100 shares @ ~38.48
  • Short call 40 @ ~2.21 est
debit $3,627max +$373max −$3,626BE 36.27

HOLD means own it, don't chase it — harvesting premium against the position matches the verdict.

Open in the calculator →

Educational template, not a trade recommendation. Strikes and premiums are Black-Scholes model estimates from the last close and 30-day realized volatility — real chains, spreads and IV will differ. Options involve substantial risk.

Financials · annual, by fiscal year

Line itemFY21FY22FY23FY24FY25
Revenue$679M$868M$1.04B$832M$1.00B
Gross profit$357M$435M$518M$454M$568M
Operating income$73.9M$52.6M$25.6M-$43.0M$21.0M
Net income$238M$41.0M$29.3M-$29.7M$17.9M
Diluted EPS$3.51$0.60$0.42-$0.45$0.26
Net margin35.1%4.7%2.8%-3.6%1.8%

10-year statements — income, cash flow, balance sheet & CSV export →

Annual figures from SEC 10-K XBRL filings. Open the filing links below for full statement detail.

Key statistics

Valuation

Enterprise value$2.31B
EV / EBITDA59.7
EV / Sales2.3
EV / FCF20.0
P / FCF21.2
PEG (trailing)0.92
Earnings yield0.7%
FCF yield4.7%

Quality & risk

ROIC (est.)1.9%
Free cash flow$116M
Total debt—
Net cash$143M
Altman Z-Score8.51 safe
Piotroski F-Score7/8

Capital returns

Buyback yield3.8%
Dividend yield (est.)—
Shareholder yield3.8%
Shares Δ YoY-1.6%

Computed from SEC XBRL annual figures + the current quote. EV and ROIC use long-term + current debt where filed; estimates, not investment advice.

Disclosure timeline

SEC · 8-Ks + reports
Recent disclosure tone has been improving.
  1. 8-K Shareholder vote2026-05-15

    Annual meeting voting results reported; routine director/proposal outcomes

  2. 10-Q Quarterly report2026-04-22

    Q1 FY26 10-Q confirms growth momentum and profitability after FY24 loss

  3. 8-K Earnings results2026-04-21

    Other-events disclosure alongside Q1 results, likely buyback/business update

  4. 8-K Other event2026-04-21

    Other-events disclosure alongside Q1 results, likely buyback/business update

  5. DEF 14A Proxy statement2026-03-27

    Annual proxy: board, exec pay and AI/cybersecurity committee governance

  6. 10-K Annual report2026-02-20

    FY25 10-K: rev $1.00B +20%, net income $17.9M, OCF +97% to $135M

  7. 8-K Earnings results2026-01-28

    Board authorized $125M buyback increase, signaling capital-return confidence

  8. 8-K Other event2026-01-28

    Board authorized $125M buyback increase, signaling capital-return confidence

  9. 8-K Officer / director change2025-11-17

    Executive transition (Item 5.02) plus Reg FD update; leadership reshuffle

Recent filings

all on EDGAR ↗
4Period ending 2026-06-292026-06-30open ↗SDFiling2026-05-29open ↗4Period ending 2026-05-142026-05-18open ↗4Period ending 2026-05-142026-05-18open ↗4Period ending 2026-05-142026-05-18open ↗4Period ending 2026-05-142026-05-18open ↗4Period ending 2022-02-012026-05-18open ↗4Period ending 2026-05-142026-05-18open ↗4Period ending 2026-05-142026-05-18open ↗4Period ending 2026-05-142026-05-18open ↗SCHEDULE 13GFiling2026-05-18open ↗8-KPeriod ending 2026-05-142026-05-15open ↗

Quality score

C+
ValueGrowthProfitHealthMom.
ValueD
GrowthA+
ProfitabilityD
Financial healthA
MomentumF
  • ✓Revenue growing year-over-year
  • ✓Profitable (positive net income)
  • ✗Net margin above 10%
  • ✗Return on equity above 15%
  • ✓Liabilities below 2× equity
  • ✗P/E below 25

Fair value est.

$9.23

Overvalued -76% vs price

cheapfair valueexpensive

Modified Graham: EPS $0.26 × (8.5 + 1.5 × 22.0% growth) × 0.85 quality = 35.5× multiple. An estimate, not a price target.

35.2052-week68.42
Revenue
$1.00B
+20.3% YoY
Net margin
1.8%
ROE
2.1%
P/E
148.0

SEC fundamentals · FY 2025

'21'22'23'24'25

■ revenue · ■ net income, by fiscal year

Revenue$1.00B+20.3%
Net income$17.9M+160.1%
Gross profit$568M+25.3%
Operating income$21.0M+148.8%
Diluted EPS$0.26+157.8%
Cash & equivalents$143M+231.5%
Total assets$1.06B+12.7%
Total liabilities$199M+25.9%
Stockholders' equity$859M+10.0%
Gross: 56.8%Op.: 2.1%L/E: 0.23x

Frequently asked

Is CALIX, INC (CALX) a buy?
CALX currently carries a Hold rating with 3/5 conviction, derived from its latest SEC filings. Recovering broadband-platform play with a fortress balance sheet and heavy buybacks, but thin GAAP margins make a 139x P/E hard to chase.
What is CALX's fair value?
A Modified-Graham model based on CALX's SEC fundamentals estimates a fair value of about $9.23. It is an estimate from reported earnings, not a price target.
Is CALX overvalued or undervalued?
Against a Modified-Graham fair-value estimate, CALX currently appears overvalued relative to its SEC-grounded earnings power.
What is CALIX, INC's quality score?
CALX scores 60.89782056495552/100 (grade C+) on a SEC-grounded quality model spanning value, growth, profitability, financial health and momentum.

Sources: SEC EDGAR (CIK 0001406666, latest 10-Q filed 2026-04-22) · EODHD · Proprietary analysis · as of 6/30/2026, 4:16:20 AM.

›About this recommendation — produced by TENK/calls (tenkcalls.com), Luxembourg · not investment advice

AI-generated analysis, produced by our proprietary engine from SEC filing data.

Investment recommendation produced by TENK/calls (tenkcalls.com), Luxembourg. Completed Jun 30, 2026, 12:16 AM ET. Ratings & methodology: definitions · All recommendations to date: track record · Conflicts: disclosures. Not investment advice.

Research and education only — not financial advice. TENKis not a registered investment adviser or broker-dealer and gives no personalized advice. Every call is impersonal — identical for all users, generated on a schedule from SEC filings plus a delayed/third-party price feed — may be wrong or out of date, and is not a recommendation to buy or sell any security. The operator and an affiliated trading operation may hold or trade the securities TENK rates; see Disclosures. Past performance does not guarantee future results. Do your own research.

Insider activity

Form 4 · SEC
2026-05-14
BOWICK CHRISTOPHER J
Director
Award4.97K
2026-05-14
BERRY MICHAEL J
Director
Award4.97K
2026-05-14
Mukherjee Rajatish
Director
Award4.97K
2026-05-14
Oosterman Wade
Director
Award4.97K
2026-05-14
Peters Kevin Robert
Director
Award4.97K
2026-05-14
CRUSCO KATHLEEN M
Director
Award4.97K
2026-05-14
Russo Carl
Director
Award4.97K
2022-02-01
Peters Kevin Robert
Director
Gift126K
2022-02-01
Peters Kevin Robert
Director
Gift126K

Held by tracked funds

Form 13F · SEC · quarterly
Millennium ManagementIzzy Englander1.90M sh$93.3M

As of each fund’s latest quarterly 13F — a delayed snapshot, not a live position. All tracked funds →

Earnings history

beat/miss · move
2026-04-21Beat +0.0% est▼ -3.82%8-K ↗
2026-01-28Miss -0.4% est▼ -5.39%8-K ↗
2025-10-29Beat +27.1% est▲ +0.73%8-K ↗
2025-07-21Beat +58.7% est▲ +0.11%8-K ↗
2025-04-21—▼ -1.74%8-K ↗
2025-01-29—▼ -1.05%8-K ↗

Dates from 8-K (Item 2.02); beat/miss = reported EPS vs consensus (Finnhub, recent quarters); move = prior close → close on/after.

Recent news

market news →
CALX FINAL DEADLINE: ROSEN, A LEADING INVESTOR RIGHTS LAW FIRM, Encourages Calix, Inc. Investors with Losses in Excess of $100K to Secure Counsel Before Important Deadline in Securities Class Action - CALXBullish
globenewswire.com· 2026-07-03
Calix (CALX) Stock Could Be Fully Valued Despite Class Action DeadlineBullish
finance.yahoo.com· 2026-07-02
What Calix (CALX)'s SmartMDU Expansion and Calix One Adoption Means For ShareholdersBullish
finance.yahoo.com· 2026-07-02
CALX Investors Have Opportunity to Lead Calix, Inc. Securities Fraud Lawsuit with the Schall Law FirmBearish
globenewswire.com· 2026-07-02
Calix (CALX) Expands SmartMDU As Service Providers Deepen Calix One AdoptionBullish
finance.yahoo.com· 2026-07-02
Bronstein, Gewirtz & Grossman LLC Urges Calix, Inc. Investors to Act: Class Action Filed Alleging Investor HarmBearish
globenewswire.com· 2026-07-01

Vs tracked universe

compare →

1195 tracked peers · median

TENK Score61 vs 67
Revenue growth20.3% vs 7.5%
Net margin1.8% vs 10.0%
Return on equity2.1% vs 12.0%
P/E148.0 vs 26.2

News sentiment

EODHD · 39d
Bearish
-0.70
vs typical · 77 articles
↑ improving

Recent news tone vs the market's typical (which skews positive). A soft signal, not a recommendation.