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Arcellx, Inc. (ACLX) Stock Analysis

SellVALUE-TRAP 3/5High Confidence

Healthcare · Biotechnology

Earnings in 7 days (2026-05-07). Expect elevated volatility around the report — consider waiting for post-earnings price action before new entries.

Sell if holding. Engine safety override at $115.11: a dimension score below its floor triggers a hard block regardless of the otherwise-positive setup — overall score 3.9/10. Specifically: Elevated put/call ratio: 8.31; Below-average business quality; Rich valuation.

Arcellx is a clinical-stage biotechnology company developing CAR-T immunotherapies for cancer and other incurable diseases, with lead program anito-cel (CART-ddBCMA) for multiple myeloma. A BLA was submitted to the FDA in December 2025 with a PDUFA action date of December 23,... Read more

$115.11-1.9% A.UpsideScore 3.9/10#151 of 158 Biotechnology
Stop $114.87Target $112.83(resistance)A.R:R -1.0:1
Analyst target$112.20-2.5%10 analysts
$112.83our TP
$115.11price
$112.20mean
$82
$120

Sell if holding. Engine safety override at $115.11: a dimension score below its floor triggers a hard block regardless of the otherwise-positive setup — overall score 3.9/10. Specifically: Elevated put/call ratio: 8.31; Below-average business quality; Rich valuation. Chart setup: No recognized chart pattern (not a breakout, bounce, continuation, recovery, falling knife, or range) — technicals mixed. Score 3.9/10, high confidence.

Passes 4/6 gates (positive momentum, clean insider activity, no SEC red flags, semi cycle peak clear). Fails on favorable risk/reward ratio and earnings proximity 7d<=7d. Suitability: moderate.

Thesis

Rewards
No bull case signals
Risks
Concentration risk — Supplier: Kite
Target reached (-15.2% upside)
Quality below floor (2.1 < 4.0)

Key Metrics

P/E (TTM)
P/E (Fwd)-66.4
Mkt Cap$6.7B
EV/EBITDA-25.7
Profit Mgn0.0%
ROE-53.4%
Rev Growth-89.2%
Beta0.25
DividendNone
Rating analysts23

Quality Signals

Piotroski F3/9

Options Flow

P/C8.31bearish
IV39%normal
Max Pain$35-69.6% vs spot

Concentration Risks(10-K Item 1A)

  • HIGHSupplierKite
    10-K Item 1A: 'We depend on Kite for certain development, manufacturing and commercialization activities with respect to certain of our product candidates'

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

Rating Breakdown

4 floor-breakers

Ranks in the bottom of its industry peers on the composite signal. Better names in the same sector exist.static

Growth Rank
0.9
Quality Rank
2.0
Value Rank
5.0

Quality below the gate floor. Component breakdown shows what dragged the score down.static

Roe
0.0
Roa
0.0
Gross Margin
0.0
Net Margin
0.0
Fcf Quality
0.0
Piotroski F
3.3
Moat
5.0
Current Ratio
8.6
Cash-burning: FCF -436% of revenueNo competitive moatWeak Piotroski F-Score: 3/9Quality concerns

Priced at a premium — multiples above sector norms. Needs delivery on growth + margins to justify.static

Analyst Target
3.0
Expensive valuation
Low model confidence on this dimension (33%).

No near-term catalyst priced in. Thesis progression will come from fundamentals grinding, not event reaction.static

Surprise Avg
0.0
Erm
1.0
Earnings Timing
5.0
News Activity
5.0
Earnings History
6.7
Estimates down -18.6% (30d)Strong earnings: 3B/1MEarnings in 7 days
GatesA.R:R -1.0=NEGATIVEEARNINGS PROXIMITY 7d<=7dMomentum 6.5>=5.5Insider activity: OKNo SEC red flagsSEMI CYCLE PEAK CLEARSuitability: Moderate
RSI
74 · Overbought
20D MA 50D MA 200D MAGOLDEN CROSSSupport $114.60Resistance $115.13

Price Targets

$115
$113
A.Upside-2.0%
A.R:R-1.0:1

Position Sizing

ConvictionNone
Suggested %0.5%
Max %1%
RegimeSteady

Risk Alerts

! Target reached (-15.2% upside)
! Quality below floor (2.1 < 4.0)
! Value-trap signals (3/5): Margin compression (op margin -123.4%), Material insider selling (5 sells, 0.02% of cap), Negative free cash flow

Earnings

B
B
B
M
3/4 beats
Next Earnings2026-05-07 (7d)

Verdict History

reverse chrono — latest first
Loading history...
Verdicts are recorded on every nightly pipeline run. Rows capture transitions (verdict flips, score deltas ≥0.3, entry/TP/SL changes). Rows with a ▶ can be expanded to see the change reason. Aggregate cohort performance is tracked in the recommendation ledger.
Frequently Asked Questions
Is ACLX stock a buy right now?

Sell if holding. Engine safety override at $115.11: a dimension score below its floor triggers a hard block regardless of the otherwise-positive setup — overall score 3.9/10. Specifically: Elevated put/call ratio: 8.31; Below-average business quality; Rich valuation. Chart setup: No recognized chart pattern (not a breakout, bounce, continuation, recovery, falling knife, or range) — technicals mixed. Prior stop was $114.87. Score 3.9/10, high confidence.

What is the ACLX stock price target?

Take-profit target: $112.83 (-1.9% upside). Prior stop was $114.87. Stop-loss: $114.87.

What are the risks of investing in ACLX?

Concentration risk — Supplier: Kite; Target reached (-15.2% upside); Quality below floor (2.1 < 4.0).

Is ACLX overvalued or undervalued?

Arcellx, Inc. trades at a P/E of N/A (forward -66.4). TrendMatrix value score: 3.0/10. Verdict: Sell.

What do analysts say about ACLX?

23 analysts cover ACLX with a consensus score of 2.8/5. Average price target: $112.

What does Arcellx, Inc. do?Arcellx is a clinical-stage biotechnology company developing CAR-T immunotherapies for cancer and other incurable...

Arcellx is a clinical-stage biotechnology company developing CAR-T immunotherapies for cancer and other incurable diseases, with lead program anito-cel (CART-ddBCMA) for multiple myeloma. A BLA was submitted to the FDA in December 2025 with a PDUFA action date of December 23, 2026. Arcellx entered into a merger agreement with Gilead in February 2026; the company has incurred a net loss of approximately $2.3 billion since inception.

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