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Ionis Pharmaceuticals, Inc. (IONS)

Healthcare | Biotechnology | Carlsbad, United States | NasdaqGS
74.78 USD -0.09 (-0.120%) ⇩ (April 21, 2026, 4 p.m. EDT)

Short-term:★★★☆☆Long-term:★★★☆☆Dividends:☆☆☆☆☆
Hot Take | April 19, 2026, 1:12 a.m. EDT

Ionis is a classic 'long-term print-and-fold' with massive downside protection built into the options chain via heavy 2026/2027 put buying around $65-$90. While the fundamental story on their 2026 catalyst pipeline supports a higher price over multi-years, the immediate options architecture is defensive, reflecting skepticism that the stock can rally aggressively above $80 in the near term despite the 'buy' analyst rating.

Model Selection — Backtest MAE (log-scale, lower is better)
ModelMAE
AutoTheta ✓0.065956
AutoETS0.067413
AutoARIMA0.067414
MSTL0.068108

Forecast horizon: 45 days | Selected: AutoTheta

Forecast Reliability
Score 43%
H-stat 14.55
Ljung-Box p 0.000
Jarque-Bera p 0.159
Excess Kurtosis -1.39
Attribute Value
Sector Healthcare
Debt to Equity Ratio 534.844
Revenue per Share 5.898
Market Cap 12,353,058,816
Forward P/E -121.81
Beta 0.40
Profit Margins -40.41%
Website https://www.ionis.com

As of April 19, 2026, 1:12 a.m. EDT: Despite significant volume in long-dated OTM calls (2027+ decade) above key multiples (100, 110, 115), speculative positioning is heavily skewed towards downside protection. There are massive 'walled' otm put positions sitting at 65, 67.5, and 85 strikes for the 2026-07 calendar. This creates a high hedge ratio where bulls are synthetically short via sales of far OTM calls. The short-term IV profile for May 2026 shows a massive volume/oi imbalance at 70.0 (volume 1.2k, oti 1), suggesting a bet on volatility near the 72-73 price level.


Info Dump

Attribute Value
52 Week Change 1.5697594
Address1 2,855 Gazelle Court
All Time High 86.74
All Time Low 2.5
Ask 74.93
Ask Size 1
Audit Risk 6
Average Analyst Rating 1.8 - Buy
Average Daily Volume10 Day 1,510,280
Average Daily Volume3 Month 2,103,103
Average Volume 2,103,103
Average Volume10Days 1,510,280
Beta 0.4
Bid 74.64
Bid Size 1
Board Risk 3
Book Value 2.995
City Carlsbad
Compensation As Of Epoch Date 1,735,603,200
Compensation Risk 3
Country United States
Crypto Tradeable 0
Currency USD
Current Price 74.78
Current Ratio 3.826
Custom Price Alert Confidence HIGH
Date Short Interest 1,774,915,200
Day High 75.96
Day Low 73.8
Debt To Equity 534.844
Display Name Ionis Pharmaceuticals
Earnings Call Timestamp End 1,777,465,800
Earnings Call Timestamp Start 1,777,465,800
Earnings Timestamp 1,777,465,800
Earnings Timestamp End 1,777,465,800
Earnings Timestamp Start 1,777,465,800
Ebitda -369,236,992
Ebitda Margins -0.39126
Enterprise To Ebitda -33.281
Enterprise To Revenue 13.021
Enterprise Value 12,288,475,136
Eps Current Year -3.32714
Eps Forward -0.6139
Eps Trailing Twelve Months -2.38
Esg Populated 0
Exchange NMS
Exchange Data Delayed By 0
Exchange Timezone Name America/New_York
Exchange Timezone Short Name EDT
Fifty Day Average 76.7344
Fifty Day Average Change -1.9543991
Fifty Day Average Change Percent -0.02546966
Fifty Two Week Change Percent 156.97594
Fifty Two Week High 86.74
Fifty Two Week High Change -11.959999
Fifty Two Week High Change Percent -0.13788332
Fifty Two Week Low 28.79
Fifty Two Week Low Change 45.989998
Fifty Two Week Low Change Percent 1.5974295
Fifty Two Week Range 28.79 - 86.74
Financial Currency USD
First Trade Date Milliseconds 674,487,000,000
Float Shares 163,906,817
Forward Eps -0.6139
Forward P E -121.81136
Free Cashflow -154,724,496
Full Exchange Name NasdaqGS
Full Time Employees 1,402
Gmt Off Set Milliseconds -14,400,000
Governance Epoch Date 1,775,001,600
Gross Margins 0.01291
Gross Profits 12,183,000
Has Pre Post Market Data 1
Held Percent Insiders 0.00719
Held Percent Institutions 1.05851
Implied Shares Outstanding 165,192,011
Industry Biotechnology
Industry Disp Biotechnology
Industry Key biotechnology
Ir Website http://ir.isispharm.com/phoenix.zhtml?c=222170&p=irol-irhome
Is Earnings Date Estimate 0
Language en-US
Last Fiscal Year End 1,767,139,200
Long Business Summary Ionis Pharmaceuticals, Inc., a commercial-stage biotechnology company, provides RNA-targeted medicines in the United States. The company offers TRYNGOLZA reduces triglyceride levels in adults with familial chylomicronemia syndrome (FCS) and acute pancreatitis; DAWNZERA for prophylaxis to prevent attacks of hereditary angioedema in adults; WAINUA for the treatment of the polyneuropathy of hereditary transthyretin-medicated amyloidosis (ATTRv-PN) in adults; and SPINRAZA for pediatric and adult patients with spinal muscular atrophy (SMA). It also provides QALSODY for the treatment of Amyotrophic Lateral Sclerosis (ALS); TEGSEDI for the treatment of ATTRv-PN in adults; and WAYLIVRA for treatment for FCS and familial partial lipodystrophy. It also develops products under Phase 3 clinical trials, such as Olezarsen for patients with hypertriglyceridemia (SHTG) and cardiovascular disease (CVD); and Zilganerse, a potential treatment for people with genetically confirmed Alexander disease, as well as ION582 which is in Phase 3 clinical trial for the potential treatment of AS, a rare genetic neurological disease. In addition, the company develops Eplontersen to degrade mutant and wild-type TTR mRNA through binding to the TTR mRNA; Pelacarsen to inhibit the production of apolipoprotein(a) in the liver to offer a direct approach for reducing lipoprotein(a); Bepirovirsen to inhibit the production of viral proteins associated with hepatitis B virus; Sefaxersen to reduce the production of complement factor B and lower activation of the alternative complement pathway; and Ulefnersen to reduce the production of the fused in sarcoma, as well as other mid-stage pipeline investigational medicines. It has a strategic collaboration with Biogen for the treatment of neurological disorders; and collaboration and license agreement with GSK, AstraZeneca, Novartis, and Roche, as well as with Metagenomi. The company was incorporated in 1989 and is headquartered in Carlsbad, California.
Long Name Ionis Pharmaceuticals, Inc.
Market us_market
Market Cap 12,353,058,816
Market State PRE
Max Age 86,400
Message Board Id finmb_30300
Most Recent Quarter 1,767,139,200
Net Income To Common -381,387,008
Next Fiscal Year End 1,798,675,200
Non Diluted Market Cap 12,367,925,863
Number Of Analyst Opinions 22
Open 75.87
Operating Cashflow -268,583,008
Operating Margins -1.0547299
Overall Risk 4
Payout Ratio 0.0
Peg Ratio 27.33
Phone 760 931 9200
Previous Close 74.87
Price Eps Current Year -22.47576
Price Hint 2
Price To Book 24.96828
Price To Sales Trailing12 Months 13.089875
Profit Margins -0.40414003
Quick Ratio 3.514
Quote Source Name Nasdaq Real Time Price
Quote Type EQUITY
Recommendation Key buy
Recommendation Mean 1.82609
Region US
Regular Market Change -0.090004
Regular Market Change Percent -0.120214
Regular Market Day High 75.96
Regular Market Day Low 73.8
Regular Market Day Range 73.8 - 75.96
Regular Market Open 75.87
Regular Market Previous Close 74.87
Regular Market Price 74.78
Regular Market Time 1,776,801,601
Regular Market Volume 1,722,488
Return On Assets -0.07309
Return On Equity -0.70795
Revenue Growth -0.103
Revenue Per Share 5.898
Sand P52 Week Change 0.3140242
Sector Healthcare
Sector Disp Healthcare
Sector Key healthcare
Share Holder Rights Risk 5
Shares Outstanding 165,192,011
Shares Percent Shares Out 0.0868
Shares Short 14,330,826
Shares Short Previous Month Date 1,772,150,400
Shares Short Prior Month 15,323,236
Short Name Ionis Pharmaceuticals, Inc.
Short Percent Of Float 0.113800004
Short Ratio 6.21
Source Interval 15
State CA
Symbol IONS
Target High Price 130.0
Target Low Price 47.0
Target Mean Price 98.31818
Target Median Price 104.0
Total Cash 2,680,448,000
Total Cash Per Share 16.226
Total Debt 2,615,865,088
Total Revenue 943,710,976
Tradeable 0
Trailing Annual Dividend Rate 0.0
Trailing Annual Dividend Yield 0.0
Trailing Eps -2.38
Trailing Peg Ratio None
Triggerable 1
Two Hundred Day Average 68.4272
Two Hundred Day Average Change 6.3527985
Two Hundred Day Average Change Percent 0.092840254
Type Disp Equity
Volume 1,722,488
Website https://www.ionis.com
Zip 92,010