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Apellis Pharmaceuticals, Inc. (APLS)

Healthcare | Biotechnology | Waltham, United States | NasdaqGS
40.90 USD +0.03 (0.073%) ⇧ (April 17, 2026, 4 p.m. EDT)
After hours: 40.92 +0.02 (0.049%) ⇧ (April 17, 2026, 7:52 p.m. EDT)

Short-term: ★★★★☆ | Long-term: ★★★☆☆ | Dividends: ☆☆☆☆☆
Hot Take | April 19, 2026, 1:18 a.m. EDT

APLS is at a 140% multi-year high, likely driven by the Biogen acquisition rumors, but the market is pricing in exactly $41/cash. The options market is crowded here, with 177% more put volume than call volume, creating a high-probability ceiling. Traders should treat the 52-week high as a hard ceiling now; the momentum is short-lived and risk-adjusted returns are poor as the acquisition process plays out.

Model Selection — Backtest MAE (log-scale, lower is better)
ModelMAE
AutoETS ✓0.222371
AutoARIMA0.222371
MSTL0.223003
AutoTheta0.225214

Forecast horizon: 45 days | Selected: AutoETS

Forecast Reliability
Score 31%
H-stat 179.26
Ljung-Box p 0.000
Jarque-Bera p 0.027
Excess Kurtosis -0.78
Attribute Value
Sector Healthcare
Debt to Equity Ratio 128.154
Revenue per Share 7.957
Market Cap 5,228,722,688
Trailing P/E 227.22
Forward P/E -167.45
Beta -0.20
Profit Margins 2.23%
Website https://apellis.com

As of April 19, 2026, 1:18 a.m. EDT: Options flow shows distinct skew. Calls display a massive volume and Open Interest (OI) spike at the $41 strike (At-The-Money), effectively acting as a valuation cap. However, Puts exhibit significantly higher volume (814 bulk vs 416 bulk total calls) and OI (9.9k vs ~10k), with a defensive wall at $39-$40. This imbalance suggests net hedging by shareholders selling into the upside or heavy speculative buying of downside protection, indicating strong resistance at current levels and potential for a trend reversal lower if news disappoints.


Info Dump

Attribute Value
52 Week Change 1.2684414
Address1 100 Fifth Avenue
All Time High 94.75
All Time Low 11.45
Ask 44.16
Ask Size 2
Audit Risk 4
Average Analyst Rating 2.8 - Hold
Average Daily Volume10 Day 5,312,910
Average Daily Volume3 Month 5,118,256
Average Volume 5,118,256
Average Volume10Days 5,312,910
Beta -0.197
Bid 37.61
Bid Size 2
Board Risk 6
Book Value 2.923
City Waltham
Compensation As Of Epoch Date 1,735,603,200
Compensation Risk 7
Country United States
Crypto Tradeable 0
Currency USD
Current Price 40.9
Current Ratio 3.136
Custom Price Alert Confidence HIGH
Date Short Interest 1,774,915,200
Day High 40.95
Day Low 40.85
Debt To Equity 128.154
Display Name Apellis Pharmaceuticals
Earnings Call Timestamp End 1,771,939,800
Earnings Call Timestamp Start 1,771,939,800
Earnings Timestamp 1,771,939,800
Earnings Timestamp End 1,778,157,000
Earnings Timestamp Start 1,778,157,000
Ebitda 56,985,000
Ebitda Margins 0.05677
Enterprise To Ebitda 91.863
Enterprise To Revenue 5.215
Enterprise Value 5,234,817,024
Eps Current Year -1.127
Eps Forward -0.24425
Eps Trailing Twelve Months 0.18
Esg Populated 0
Exchange NMS
Exchange Data Delayed By 0
Exchange Timezone Name America/New_York
Exchange Timezone Short Name EDT
Fifty Day Average 25.5209
Fifty Day Average Change 15.379101
Fifty Day Average Change Percent 0.6026081
Fifty Two Week Change Percent 126.84415
Fifty Two Week High 40.95
Fifty Two Week High Change -0.049999237
Fifty Two Week High Change Percent -0.0012209825
Fifty Two Week Low 16.1
Fifty Two Week Low Change 24.800001
Fifty Two Week Low Change Percent 1.5403727
Fifty Two Week Range 16.1 - 40.95
Financial Currency USD
First Trade Date Milliseconds 1,510,237,800,000
Float Shares 83,244,115
Forward Eps -0.24425
Forward P E -167.45139
Free Cashflow -15,464,500
Full Exchange Name NasdaqGS
Full Time Employees 733
Gmt Off Set Milliseconds -14,400,000
Governance Epoch Date 1,775,001,600
Gross Margins 0.60341
Gross Profits 605,692,032
Has Pre Post Market Data 1
Held Percent Insiders 0.13737
Held Percent Institutions 0.90654
Implied Shares Outstanding 127,841,632
Industry Biotechnology
Industry Disp Biotechnology
Industry Key biotechnology
Is Earnings Date Estimate 1
Language en-US
Last Fiscal Year End 1,767,139,200
Long Business Summary Apellis Pharmaceuticals, Inc., a commercial-stage biopharmaceutical company, focuses on the discovery, development, and commercialization of novel therapeutic compounds to treat diseases with high unmet needs. It offers EMPAVELI for the treatment of paroxysmal nocturnal hemoglobinuria; and SYFOVRE for treating geographic atrophy secondary to age-related macular degeneration and geographic atrophy (GA). The company also develops EMPAVELI to treat C3 glomerulopathy and immune complex membranoproliferative glomerulonephritis, focal segmental glomerulosclerosis, and delayed graft function; and APL-3007, a small interfering RNA, or siRNA for the treatment of GA. In addition, it conducts preclinical studies for APL-9099, a treatment targeting the neonatal Fc receptor, or FcRn, which has the potential to be a first-in-class gene editing treatment for future target indications with one-time dosing; and developing other programs with its proprietary in-house capabilities and under its Beam collaboration. It has a collaboration and license agreement with Swedish Orphan Biovitrum AB (publ) for development and commercialization of pegcetacoplan; and a collaboration with Beam Therapeutics, Inc. focused on the use of Beam's base editing technology to discover new treatments for complement-driven diseases. Apellis Pharmaceuticals, Inc. was incorporated in 2009 and is headquartered in Waltham, Massachusetts.
Long Name Apellis Pharmaceuticals, Inc.
Market us_market
Market Cap 5,228,722,688
Market State CLOSED
Max Age 86,400
Message Board Id finmb_106524288
Most Recent Quarter 1,767,139,200
Net Income To Common 22,388,000
Next Fiscal Year End 1,798,675,200
Non Diluted Market Cap 5,228,722,748
Number Of Analyst Opinions 15
Open 40.86
Operating Cashflow 45,327,000
Operating Margins -0.25582
Overall Risk 6
Payout Ratio 0.0
Phone 617 977 5700
Post Market Change 0.019996643
Post Market Change Percent 0.048891544
Post Market Price 40.92
Post Market Time 1,776,469,927
Previous Close 40.87
Price Eps Current Year -36.29104
Price Hint 2
Price To Book 13.992474
Price To Sales Trailing12 Months 5.209022
Profit Margins 0.0223
Quick Ratio 2.586
Quote Source Name Nasdaq Real Time Price
Quote Type EQUITY
Recommendation Key hold
Recommendation Mean 2.8
Region US
Regular Market Change 0.0300026
Regular Market Change Percent 0.0734098
Regular Market Day High 40.95
Regular Market Day Low 40.85
Regular Market Day Range 40.85 - 40.95
Regular Market Open 40.86
Regular Market Previous Close 40.87
Regular Market Price 40.9
Regular Market Time 1,776,456,001
Regular Market Volume 5,188,378
Return On Assets 0.03534
Return On Equity 0.07479
Revenue Growth -0.059
Revenue Per Share 7.957
Sand P52 Week Change 0.38150132
Sector Healthcare
Sector Disp Healthcare
Sector Key healthcare
Share Holder Rights Risk 8
Shares Outstanding 127,841,632
Shares Percent Shares Out 0.1965
Shares Short 25,123,090
Shares Short Previous Month Date 1,772,150,400
Shares Short Prior Month 22,934,760
Short Name Apellis Pharmaceuticals, Inc.
Short Percent Of Float 0.2578
Short Ratio 3.98
Source Interval 15
State MA
Symbol APLS
Target High Price 41.0
Target Low Price 40.0
Target Mean Price 40.93333
Target Median Price 41.0
Total Cash 467,785,984
Total Cash Per Share 3.659
Total Debt 474,360,000
Total Revenue 1,003,782,016
Tradeable 0
Trailing Annual Dividend Rate 0.0
Trailing Annual Dividend Yield 0.0
Trailing Eps 0.18
Trailing P E 227.22223
Trailing Peg Ratio None
Triggerable 1
Two Hundred Day Average 23.896875
Two Hundred Day Average Change 17.003126
Two Hundred Day Average Change Percent 0.7115209
Type Disp Equity
Volume 5,188,378
Website https://apellis.com
Zip 2,451