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COHRCoherent Corp.Sell5.3·$408.29+7.10%
COHR · Why this verdict

Why Coherent (COHR) is rated SELL

Updated

Model-generated analysis — not investment advice. Not a registered investment advisor. Past performance does not guarantee future results.

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Methodology · Editorial policy & full disclaimer

VerdictSELL
Overall score5.3/10
ConfidenceMEDIUM
MacroNEUTRAL
TrendMatrix Research · core thesis

Engine thesis — one sentence

Four consecutive earnings beats and 20% revenue growth demonstrate execution momentum, but free cash flow is negative despite reported profitability, the stock trades at a premium multiple with only 4.2% headroom to resistance, and sole-source supplier exposure introduces operational fragility — the risk/reward is unfavorable at current levels.

Falsifiable statement — pillar-level invalidators below. Engine-derived; not personalized advice.

Thesis pillars

The company has beaten consensus estimates in all four of the last four quarters with an average upside surprise of roughly 7%, alongside revenue growth of 20% year over year, demonstrating consistent top- and bottom-line execution.

Stable
Earnings
Expectation
Beat rate stays at 4 of 4 and revenue growth remains above 15% year over year over the next four quarters.

CounterThe most recent quarter's upside surprise narrowed to just 1.1%, the smallest in the streak, which may indicate that execution is beginning to moderate as the business scales and consensus closes the gap.

Free cash flow is negative relative to reported net income — at negative 42% of earnings — a red flag indicating that reported profits are not converting into cash, constraining financial flexibility for debt reduction, reinvestment, or shareholder returns.

Stable
Quality
Expectation
Free cash flow turning positive and FCF-to-net-income conversion reaching at least 50% for 2 consecutive quarters would signal that earnings quality is improving meaningfully.

CounterA Piotroski F-Score of 8 out of 9 reflects broad balance-sheet strength, and negative free-cash-flow-to-earnings in a high-growth phase may reflect timing effects or large non-cash items rather than a structural disconnect between accounting and economic reality.

At a forward price-to-earnings multiple of 50.6 times, the stock screens as expensive, and with only 4.2% headroom to the resistance take-profit level and a reward-to-risk ratio of 0.60-to-1, the near-term geometry does not compensate for the risk taken.

Stable
Value
Expectation
A meaningful re-rating — either through earnings multiple compression or a take-profit target revision implying more than 15% upside from current levels — would be required before the setup is actionable.

CounterA PEG ratio of 0.18 suggests the multiple may be justifiable given the growth rate; if earnings continue to beat and the 20%-plus growth profile is sustained, the premium valuation could persist for an extended period.

The company relies on sole-source or limited-source suppliers for key inputs, meaning a disruption to any one of those supply relationships could materially impair production without a ready substitute and without lead time to qualify an alternative.

Stable
Bear case
Expectation
Progress toward supplier diversification — evidenced by management commentary or 10-K risk-factor language reducing sole-source references — would lower this operational risk.

CounterSole-source relationships are common in precision manufacturing and can reflect technical complexity or negotiated exclusivity rather than fragility; the strong Piotroski F-Score suggests the supply chain has not yet produced financial impairment.

Per-dimension breakdown

Value

3.6/10data confidence 83%
ComponentSub-score
P/E0.0
P/S2.6
Fwd P/E2.5
PEG10.0
Analyst target3.0
  • Forward P/E: 46.6x
  • PEG: 0.16

Quality

4.6/10data confidence 100%
ComponentSub-score
ROE1.6
ROA2.1
Gross margin3.4
Op margin5.4
Net margin3.6
Current ratio9.9
FCF quality0.0
Moat6.4
Piotroski F8.9
  • Earnings quality RED FLAG: -42% FCF/NI
  • Strong Piotroski F-Score: 8/9

Growth

8.8/10data confidence 67%
ComponentSub-score
Rev growth7.6
EPS growth10.0
  • Strong growth: 20% YoY

Momentum

5.2/10data confidence 100%
ComponentSub-score
RSI5.5
MACD0.0
OBV10.0
MA position9.0
Volume1.5
  • Volume accumulation (rising OBV)
  • Above 200-day MA

Sentiment

6.0/10data confidence 100%
ComponentSub-score
LLM sentiment5.5
Analyst rating7.5
Price target4.7

Insider

5.0/10data confidence 50%
ComponentSub-score
materiality5.0
holder change5.1
  • Negligible insider selling — $2,156,920 (0.003% of mkt cap)

Peer rank

2.1/10data confidence 80%
ComponentSub-score
value rank0.0
quality rank1.1
growth rank7.1

Technical

5.5/10data confidence 100%
ComponentSub-score
bollinger4.5
support resistance4.5
52w position7.8
gap5.0

Risk (lower is worse)

5.5/10data confidence 100%
ComponentSub-score
short interest7.7
days to cover9.8
volatility0.0
put call8.9
implied vol0.0
beta3.2
debt equity8.8
  • High IV: 122%
  • Concentration risks: 1 HIGH, 1 MED (10-K Item 1A — sized via position_sizing, validated via buy_confidence)

Catalyst

6.8/10data confidence 100%
ComponentSub-score
erm5.0
earnings history10.0
earnings timing5.0
surprise avg6.0
news activity8.0
  • Perfect beat streak: 4Q

How the verdict was assembled

Engine trigger

Multiple concerning factors. Consider reducing position.

Engine technical detail
verdict_path: L4:PATH_F_SELL
Passed (6)
  • MOMENTUM:5.2>=4.5
  • INSIDER:OK
  • NEWS_EVENTS:NONE_RECENT
  • EARNINGS_PROXIMITY:49d clear
  • SEMI_CYCLE_PEAK:CLEAR
  • MATERIALS_CYCLE_PEAK:CLEAR
Failed (1)
  • ASYMMETRY:-0.8=NEGATIVE
Warning (2)
  • MOMENTUM:5.2<5.5 (soft — BUY_NOW allowed but watch)
  • 8K_CSUITE_CHANGE:5.02 (officer departure/appointment)
Reward-to-Risk
-0.79
Upside
-11.8%
Downside
15.0%
Sizing output
AVOID

SetupRANGE_BOUND RSI 46 mid-range, Bollinger mid-band

EdgeNO_EDGE No clear edge identified

SuitabilityAGGRESSIVE Beta 2.05>1.3

Investment implication

The F-path SELL output reflects an overall score of 5.3 below the 5.6 soft trigger — multiple weakening dimensions accumulated rather than a single hard-floor breach. The strongest dimension ( Growth at 8.8) was not enough to lift the adjusted overall above the threshold. Co-occurring failed gates ( ASYMMETRY:-0.8=NEGATIVE) reinforce the read. Current asymmetry R:R is -0.79 — supplementary context, not the trigger for this path.

The strongest dimensions are Growth at 8.8, Catalyst at 6.8, and Sentiment at 6.0; the weakest are Peer rank at 2.1, Value at 3.6, and Quality at 4.6. The V9 engine flagged 1 failed gate with 2 warnings, producing an asymmetric reward-to-risk of -0.79 and an engine sizing output of AVOID.

What would invalidate the thesis

Falsifying conditions — when triggered, the corresponding pillar's thesis is invalidated.

  • P1The company has beaten consensus estimates in all four of the last four quarters with an average upside surprise of roughly 7%, alongside revenue growth of 20% year over year, demonstrating consistent top- and bottom-line execution.

    Trip ifEPS surprise falls below 0% for 2 consecutive quarters.

  • P2Free cash flow is negative relative to reported net income — at negative 42% of earnings — a red flag indicating that reported profits are not converting into cash, constraining financial flexibility for debt reduction, reinvestment, or shareholder returns.

    Trip ifFree cash flow turns positive and FCF-to-net-income conversion rises above 50% for 2 consecutive quarters.

  • P3At a forward price-to-earnings multiple of 50.6 times, the stock screens as expensive, and with only 4.2% headroom to the resistance take-profit level and a reward-to-risk ratio of 0.60-to-1, the near-term geometry does not compensate for the risk taken.

    Trip ifForward P/E multiple compresses below 35x, or the take-profit target is revised to imply more than 15% upside from $413.84.

  • P4The company relies on sole-source or limited-source suppliers for key inputs, meaning a disruption to any one of those supply relationships could materially impair production without a ready substitute and without lead time to qualify an alternative.

    Trip ifThe company discloses at least 2 additional qualified suppliers for previously sole-sourced components in a public filing, reducing concentration risk.

Engine reasoning is mechanically derived from pipeline gate outputs. See decision view.

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