WallStSmart
ASMB

Assembly Biosciences Inc

NASDAQ: ASMB · HEALTHCARE · BIOTECHNOLOGY

$26.95
+2.35% today

Updated 2026-04-30

Market cap
$442.93M
P/E ratio
P/S ratio
6.13x
EPS (TTM)
$-0.55
Dividend yield
52W range
$11 – $40
Volume
0.1M

Assembly Biosciences Inc (ASMB) Stock Valuation Analysis

Fair value estimate, historical valuation range, and quality signals for ASMB.

WallStSmart Verdict
Overvalued

Current price exceeds what fundamentals support. Risk/reward skewed unfavorably.

Smart Value Score: 44 / 100
P/E (TTM)
Not meaningful for this profile
PEG
Margin of Safety
+54.20%
Fair value $59.74 vs $26.95
EV / EBITDA
0.4x

ASMB historical valuation range

Where current P/E sits in ASMB's own 5Y range.

Insufficient historical data for 5Y percentile analysis

ASMB intrinsic value (DCF)

DCF-based fair value estimate vs current market price.

Current price
$26.95
Market value
Intrinsic value
$59.74
DCF estimate
Margin of safety
+54.20%
+121.7% upside to fair value

Intrinsic value calculated using discounted cash flow (DCF) model based on projected free cash flows, discount rate, and terminal growth assumptions. A positive margin of safety indicates the current price is below estimated fair value, providing a cushion against estimation error.

ASMB valuation signals

Quick-read green flags, caution flags, and risks based on current metrics.

Strong margin of safety
Current price 54.2% below DCF intrinsic value estimate. Meaningful downside cushion.
Weak financial quality
Piotroski F-Score of 3/9 suggests deteriorating fundamentals. Valuation requires closer scrutiny.

P/E Ratio — History

No historical P/E data available

P/S Ratio — History

Current: 6.13x

Is ASMB overvalued in 2026?

Assembly Biosciences Inc (ASMB) currently trades at $26.95 per share with a market capitalization of $442,927,000.00. Based on our multi-factor framework, the stock appears richly valued with a Smart Value Score of 44/100. This score blends growth quality, financial health, and price attractiveness into a single institutional-grade read.

ASMB currently has no meaningful P/E ratio, which typically signals that the company is unprofitable, near breakeven, or emerging from a loss-making period. With a P/S ratio of 6.1x, the market is valuing the company primarily on its revenue rather than its earnings.

Our discounted cash flow model estimates ASMB's intrinsic value at $59.74 per share, against the current market price of $26.95. This implies a margin of safety of +54.20%. A meaningful cushion exists against model error, making this a reasonable risk-adjusted entry.

Financial quality is a concern. The Piotroski F-Score of 3/9 flags weakening fundamentals that deserve closer scrutiny before the valuation case can be fully trusted.

Bottom line: ASMB appears richly valued on our framework, with a Smart Value Score of 44/100. At current levels the risk/reward is skewed against the buyer. A materially lower price or significant operational improvement would be needed to change the picture.

Frequently asked questions

Is ASMB overvalued in 2026?

Based on a Smart Value Score of 44/100, ASMB appears overvalued. Current price exceeds what fundamentals currently justify.

What is ASMB's fair value?

Our DCF model estimates ASMB's intrinsic value at $59.74 per share, versus the current price of $26.95. This produces a margin of safety of +54.20%.

What P/E ratio does ASMB trade at?

ASMB does not have a meaningful P/E ratio at this time, typically a sign of unprofitability or an ongoing earnings transition.

Is ASMB a buy based on valuation?

WallStSmart does not issue buy or sell recommendations. Our Smart Value Score of 44/100 reflects the combined read on growth, quality, and price. The profile skews cautious. Consider waiting for a better price or clearer operational improvement.

How does ASMB's valuation compare to its history?

Insufficient historical valuation data exists yet for a confident percentile read on ASMB.

What is ASMB's Smart Value Score?

ASMB's Smart Value Score is 44/100. The Smart Value Score is a proprietary WallStSmart metric blending growth quality, financial health, and valuation attractiveness into a single 0-100 read. Scores above 75 are rare and indicate strong multi-factor alignment.