Coherent Inc (COHR) — Quality & forensics

As of 2026-09-16 — refreshed nightly. Closelook readings from an investment research diary, not ratings or advice.

The Closelook module scores

36 /100 composite · 7 modules · semis-cyclical weight set

Valuation 25
Quality 28
Growth 51
Balance sheet 57
Cash quality 16
Capital allocation 16
Momentum 41

Scores are computed nightly across the coverage universe and read relative to it — the methodology lives in the company-scoring explainer.

Financial forensics — the academic screens

6.00 Altman Z-Score

Sits in the safe zone (above 2.99). The Z-Score estimates financial-distress risk from five balance-sheet and earnings ratios.

6/9 Piotroski F-Score

Nine binary fundamental-strength checks across profitability, leverage and operating efficiency.

-2.02 Beneish M-Score

Screens reported earnings for statistical manipulation patterns — below the −1.78 manipulation-risk threshold. A screen, not an accusation.

Continue: the COHR chart & overview · the earnings record

FAQ · from the current data · as of 2026-09-16

Quick answers

What is Coherent Inc's Closelook quality reading?

The composite reads 36/100 across 7 modules, as of 2026-09-16: valuation 25, quality 28, growth 51, balance sheet 57, cash quality 16, capital allocation 16, momentum 41. Closelook scores are research diary readings, not ratings or investment advice.

What is Coherent Inc's Altman Z-Score?

6.00, which sits in the safe zone (above 2.99) as of 2026-09-16. The Altman Z-Score estimates financial distress risk from five balance-sheet and earnings ratios.

What is Coherent Inc's Piotroski F-Score?

6 of 9, as of 2026-09-16. The F-Score counts nine binary fundamental-strength signals across profitability, leverage and operating efficiency.

What does Coherent Inc's Beneish M-Score indicate?

-2.02 — below the −1.78 manipulation-risk threshold, as of 2026-09-16. The M-Score screens reported earnings for statistical manipulation patterns; it is a screen, not an accusation.

Mentioned on Closelook

Where COHR appears in the diary — 27 pieces, newest first. Every link is our own writing.

Long reads

Optical Interconnects — The Toll Nobody KeepsReport · 13 Aug 2026On Friday, Coherent fell 11.8% through its 50-day average on no numbers at all.
Portfolio Construction — Build a Barbell · Closelook Heresy IIIHeresy · 16 May 2026Live cohort as of May 2026: COHR · CRWV · GLW · INTC · IREN · LITE · MRVL · NBIS · NOK · SNPS.
Pattern 03 — NVIDIA Strategic Authority InvestmentReport · 12 May 2026Tier 2 typically appears bundled inside Tier 1 events: Lumentum's capacity-access rights, Coherent's purchase commitments, and IREN's 5 GW deployment partnership all rode in on the same 8-Ks as the equity investments.
Nvidia’s Equity Stakes — Follow the Wise Men, Pattern 03 PreviewWeekly Signal · 10 May 2026Coherent has moved from $50 in April 2025 to $335.26 today.

101 and glossary

Networking & Optical Interconnects: The Constraint After Compute101NVIDIA’s networking stack (acquired via Mellanox), Broadcom’s switching silicon, Marvell’s interconnect IP, and the optical transceiver ecosystem (Lumentum, Coherent, Fabrinet) all benefit from the same physical reality: at cluster scale…
Optical TransceiverGlossaryA device converting electrical signals to optical for fiber networking; LITE, COHR, and FN are pure-play beneficiaries.
Strategic Authority Investment: Reading the Jensen Huang Roadmap101Forward watchlist: LITE, COHR, FN (optical), MU (memory), VRT, GEV (power), PSTG, NTAP, WDC (storage).

Dailies

AI trade — sellers of compute sold, buyers bought: chips −5.6%, software +5%, SoftBank +7% in TokyoMorning 10 · 15 Sept 2026The $505 line is gone: semiconductor ETF $497.40, below Thursday’s $517.43 and 6.4% under its 50-day at $531.52; memory and storage led on the way down again — Micron −5.3%, SanDisk −5.0%; Corning −13.7%, Teradyne −13.3%, Coherent −12.7%…
Oil knocks on $100 and Wall Street sells everything but the AI pipe: Intel +9%, Lumentum +11%, Dow −1.2% — Seoul buys the dip and the Kospi is back above 7,000Morning 10 · 9 Sept 2026Intel +9.1% on another CPU price rise, AMD +5.9%, Broadcom +3.0%, and the optical names went vertical — Lumentum +11.0%, Corning +7.6% on an 80-million-mile fibre contract with Verizon, Coherent +7.1% — while Shopify, UiPath and Atlassian…
Chips up again, software down again — Friday's split is turning into a trendMidday 10 · 8 Sept 2026Lumentum up 12%, Corning 10%, Coherent 10%, Intel 9%
Chips jump 3% while software falls 2% — the hot jobs report has split the tech trade in twoMidday 10 · 4 Sept 2026SanDisk, KLA, Super Micro Computer, Coherent and Marvell are all higher by roughly 6% to 10% at midday — memory, chip-making equipment, servers, optical connectivity and custom silicon.
The Yield March Breaks Three Decades of LinesDaily Pulse · 1 Sept 2026
Verdict day two: six earnings windows close as MongoDB and GitLab printMorning 10 · 1 Sept 2026COHR & AMAT — scanner support confluence
Gold's Friday Break Hangs Over August's Final SessionDaily Pulse · 31 Aug 2026
Verdict day: five earnings windows close as chip stocks wobbleMorning 10 · 31 Aug 2026Scanner flags support-confluence hits on VRT (red signal), COHR, COHU, and FIX (all green) — multiple names testing levels simultaneously.