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Assembly Biosciences, Inc.

Stage 3 · Topping · week 3

As of Oct 22, 2026, Assembly Biosciences is in Stage 3, the topping phase, now in week 3 (since Oct 5, 2026). It closed at $20.28, 47.3% below its 52-week high and below its 200-day average, which is falling.

Assembly Biosciences, Inc., a biotechnology company, develops therapeutic candidates for the treatment of viral diseases worldwide. More about the company

$20.28
-0.88% today
$413M · Small cap
Market Neutral — Building

Pro read

Pro

Our read

Topping: the uptrend is tiring

Setup score

—

Momentum

Steady

Edge

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Stage Cycle Timeline2023-08-16 → 2026-10-22
S4 23w
S2 23w
S4 14w
S2 30w
2023-08-162026-10-22
S1S2S3S4Setup score (0–10, dashed line at 5)
S1 1w → S4 23w → S1 5w → S2 23w → S3 3w → S2 11w → S3 11w → S4 14w → S1 6w → S2 30w → S3 11w → S2 4w → S1 2w → S4 11w → S1 2w → S2 4w → S3 3w current
Total tracked: 164 weeks across 17 stage runs.

ASMB among Biotechnology276th of 591 by relative strength

All 591 →
Stocks in Biotechnology ranked by relative strength, with stage and one-month change
#StockStageRS1M
1GTBPStage 2 · wk 799−22.3%
2IOVAStage 2 · wk 1899+38.8%
3SLSStage 3 · wk 499−1.5%
4MRNAStage 2 · wk 1799+11.3%
5TWSTStage 2 · wk 3999−14.5%
6KODStage 2 · wk 499+172.1%
7ERASStage 3 · wk 599+0.7%
8CLYMStage 3 · wk 399−15.8%
…276ASMBStage 3 · wk 334−15.4%
vs 52W High
-47.3%
$20.09 lo$38.50 hi
47.3% below 52W high, weakening from peak
The stock is rolling over from its 52-week high. In Stage 3 distribution, new long positions carry high risk.
Stage Maturity
Week 3
1w13w26w
Week 3, early distribution
How long this stock has been in Stage 3 distribution. Longer tops often precede deeper Stage 4 declines.
vs 200 DMA
-26.4%
200 DMA: $27.54 · sloping down
Stock is losing its 200 DMA. Once lost, it confirms Stage 4 risk. This is a major red flag for existing holders.
Rel Volume
0.41x
vs 50-day avg
Volume spikes on down days during Stage 3 signal distribution, with institutions exiting. Stage analysis reads that as a warning against new long positions.
Trend Health
↓
Short-term trend rolling over
Two reads of momentum. The arrow shows the direction of the short-term trend: rising (↑ or ↗), flat (→) or rolling over (↓). The ⇈ mark appears when our trend model reads the move as gaining speed on top of the longer trend. Strongest when both agree.
1M
-15.4%
3M
-20.6%
6M
-28.4%
YTD
-39.9%
1Y
-28.6%
Scan Membership
Breakout Watch
Latest: 2024-09-09
5 appearances in last 60 days. First seen: 2019-12-16.
A stock that keeps qualifying week after week does so because its Stage 2 structure keeps holding. Staying power in the scan says more about the trend than any single appearance.
Recent Stage Timeline
2026-10-22S3
Wk 3 · Vol 0.41x
2026-10-21S3
Wk 3 · Vol 0.64x
2026-10-20S3
Wk 3 · Vol 0.68x
2026-10-19S3
Wk 3 · Vol 0.61x
2026-10-16S3
Wk 2 · Vol 0.51x
2026-10-15S3
Wk 2 · Vol 0.63x
2026-10-14S3
Wk 2 · Vol 0.75x
2026-10-13S3
Wk 2 · Vol 0.96x
2026-10-12S3
Wk 2 · Vol 0.65x
2026-10-09S3
Wk 1 · Vol 0.54x
2026-10-08S3
Wk 1 · Vol 0.92x
2026-10-07S3
Wk 1 · Vol 0.61x
Moving averages & range
50 DMA
$27.56
200 DMA
$27.54
52W High
$38.50
52W Low
$20.09
5D Low
$20.09
Resistance levels (recent highs)
20d High
$23.67
60d High
$36.72
120d High
$36.72
250d High
$38.50
Next resistance
+16.7%
to 20d High
P/E (TTM)
19.5
Forward -7.9
ROE
-0.0%
Profit margin -0.1%
Dividend Yield
0.00%
P/B 1.3

Assembly Biosciences: quick answers

What stage is Assembly Biosciences in?

As of Oct 22, 2026, Assembly Biosciences (ASMB) is in Stage 3, the topping phase. It entered Stage 3 on Oct 5, 2026 and is in week 3. What the four stages mean

Is Assembly Biosciences in an uptrend?

Its uptrend has stalled. Assembly Biosciences is in Stage 3, the topping phase that follows an advance. It trades 26.4% below its 200-day average, which is falling.

How far is Assembly Biosciences from its 52-week high?

Assembly Biosciences closed at $20.28 on Oct 22, 2026, 47.3% below its 52-week high of $38.50. Its 52-week low is $20.09.

How has Assembly Biosciences performed over the past year?

As of Oct 22, 2026, Assembly Biosciences is down 28.6% over the past year and down 39.9% so far in 2026.

Which sector and industry is Assembly Biosciences in?

Assembly Biosciences is in the Biotechnology industry, part of the Health Care sector.

About this companyHealth Care· Biotechnology

Assembly Biosciences, Inc., a biotechnology company, develops therapeutic candidates for the treatment of viral diseases worldwide. Its pipeline includes long-acting helicase-primase inhibitors candidates, including ABI-5366 and ABI-1179, which are in Phase 1 clinical studies for recurrent genital herpes; and ABI-6250, an orally bioavailable hepatitis delta virus entry inhibitor that is in Phase 1a clinical study for the treatment of chronic hepatitis delta virus (HDV) infection. The company also develops ABI-4334, an orally bioavailable next generation capsid assembly modulator that is in Phase 1b study clinical trial for the treatment of chronic hepatitis B virus (HBV) infection; and ABI-7272, an oral broad-spectrum NNPI for the treatment of transplant-associated herpesviruses. It has an option, license, and collaboration agreement with Gilead Sciences, Inc. for the research and development of virology therapies. The company was formerly known as Ventrus Biosciences, Inc. and changed its name to Assembly Biosciences, Inc. in June 2014. Assembly Biosciences, Inc. was incorporated in 2005 and is headquartered in South San Francisco, California.

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All analytics based on EOD data. Data as of 2026-10-22. Past data patterns are not indicative of future results. This page is a data analytics tool only.