Coherent Inc (COHR) — Technical state

As of 2026-09-15 — re-computed nightly across the coverage universe. Closelook diary readings, not advice.

Resizing — 38.4% off its high

38.4% below its 52-week high, under its 200-day — a deeper resizing of the trend, not a shallow dip.

Ranked #16 on today’s Directional Flow — Falling fastest list (scan of 2026-09-16).

The moving-average stack

vs 20-day-5.1%
vs 50-day-9%
vs 200-day-3.4%
52-week band38.4% off the high · +221.5% off the low
Streak1 consecutive up session
50-day crossprice crossed down through the 50-day 2 sessions ago
Stochastic%K 42.6 · %D 57.5 · down cross

Continue: the COHR chart & overview · quality & forensics · the earnings record · the signal board

FAQ · from the current data · as of 2026-09-15

Quick answers

What is the current Closelook signal on COHR?

Resizing — 38.4% off its high — 38.4% below its 52-week high, under its 200-day — a deeper resizing of the trend, not a shallow dip. As of 2026-09-15; the signal board re-computes across the coverage universe nightly. A research diary reading, not advice.

Is COHR above its 50-day and 200-day moving averages?

As of 2026-09-15, Coherent Inc trades -9% below its 50-day and -3.4% below its 200-day average, with the 20-day -5.1% away.

How far is COHR from its 52-week high?

38.4% below the 52-week high and 221.5% above the 52-week low, as of 2026-09-15.

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.