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PDF Solutions, Inc. (PDFS)

Technology | Software - Application | Santa Clara, United States | NasdaqGS
43.78 USD +0.24 (0.551%) ⇧ (April 21, 2026, 2:01 p.m. EDT)

Short-term: ★★★★☆ | Long-term: ★★★☆☆ | Dividends: ☆☆☆☆☆
Hot Take | April 18, 2026, 10:32 p.m. EDT

Bullish on momentum, bearish on fundamentals; PDFS is experiencing a classic 'story stock' rally (up 7.4% recently) driven by strong revenue growth (24.6%) and price action faring well above analyst targets. However, the underlying financials are deteriorating (-4% operating profit margins, negative free cash flow, and negative ROE), making the massive price increase an unsustainable extrapolation of past growth without confirmed future earnings. The high short ratio (5.8) fuels volatility, and the elevated put implied volatility suggests traders are using options as downside insurance during this run-up.

Model Selection — Backtest MAE (log-scale, lower is better)
ModelMAE
MSTL ✓0.059876
AutoARIMA0.060119
AutoETS0.060119
AutoTheta0.096405

Forecast horizon: 45 days | Selected: MSTL

Forecast Reliability
Score 67%
H-stat 1.34
Ljung-Box p 0.000
Jarque-Bera p 0.074
Excess Kurtosis 1.33
Attribute Value
Sector Technology
Debt to Equity Ratio 26.868
Revenue per Share 5.571
Market Cap 1,746,415,104
Forward P/E 31.96
Beta 1.55
Profit Margins -0.29%
Website https://www.pdf.com

As of April 18, 2026, 10:32 p.m. EDT: Options flow shows a heavy concentration of long Call volume (Vol 91) at strikes deep in-the-money (10 and 25), mixed with significant Out-of-the-Money Call Open Interest accumulations at 30, 35, 40, and 45 across multiple expirations. Conversely, Put activity is predominantly short Put open interest (negative 'opened' stats) at 30 and 35 strikes, suggesting a hedging strategy by existing long holders rather than active shorting. Implied Volatility is significantly elevated in the put wing (ATM IV 1.72) compared to the call wing (ATM IV 0.74), indicating asymmetric fear protection for downside moves while speculators hold bullish calls for upside. The volume at the 10.0 strike total call is 'New Flow' (31 vs 18 OI), but this is objectively below the current price of 43.97, making this a specific bet on a crash rather than upside momentum. Overall, the speculative positioning is bullish on upside momentum.


Info Dump

Attribute Value
52 Week Change 1.537296
Address1 2,858 De La Cruz Blvd.
All Time High 48.02
All Time Low 0.97
Ask 55.8
Ask Size 2
Audit Risk 1
Average Daily Volume10 Day 442,450
Average Daily Volume3 Month 340,900
Average Volume 340,900
Average Volume10Days 442,450
Beta 1.554
Bid 31.97
Bid Size 2
Board Risk 7
Book Value 6.854
City Santa Clara
Compensation As Of Epoch Date 1,735,603,200
Compensation Risk 5
Country United States
Crypto Tradeable 0
Currency USD
Current Price 43.78
Current Ratio 2.28
Custom Price Alert Confidence HIGH
Date Short Interest 1,774,915,200
Day High 44.41
Day Low 43.51
Debt To Equity 26.868
Display Name PDF
Earnings Call Timestamp End 1,778,187,600
Earnings Call Timestamp Start 1,778,187,600
Earnings Timestamp 1,778,184,000
Earnings Timestamp End 1,778,184,000
Earnings Timestamp Start 1,778,184,000
Ebitda 18,016,000
Ebitda Margins 0.08226
Enterprise To Ebitda 98.104
Enterprise To Revenue 8.07
Enterprise Value 1,767,440,512
Eps Current Year 1.115
Eps Forward 1.37
Eps Trailing Twelve Months -0.02
Esg Populated 0
Exchange NMS
Exchange Data Delayed By 0
Exchange Timezone Name America/New_York
Exchange Timezone Short Name EDT
Fax 408 280 7900
Fifty Day Average 34.3794
Fifty Day Average Change 9.4006
Fifty Day Average Change Percent 0.27343702
Fifty Two Week Change Percent 153.7296
Fifty Two Week High 45.3
Fifty Two Week High Change -1.5200005
Fifty Two Week High Change Percent -0.033554096
Fifty Two Week Low 16.96
Fifty Two Week Low Change 26.82
Fifty Two Week Low Change Percent 1.581368
Fifty Two Week Range 16.96 - 45.3
Financial Currency USD
First Trade Date Milliseconds 996,586,200,000
Float Shares 32,205,365
Forward Eps 1.37
Forward P E 31.956203
Free Cashflow -10,203,000
Full Exchange Name NasdaqGS
Full Time Employees 600
Gmt Off Set Milliseconds -14,400,000
Governance Epoch Date 1,775,001,600
Gross Margins 0.72321
Gross Profits 158,400,992
Has Pre Post Market Data 1
Held Percent Insiders 0.19306
Held Percent Institutions 0.78800005
Implied Shares Outstanding 39,890,709
Industry Software - Application
Industry Disp Software - Application
Industry Key software-application
Ir Website http://www.pdf.com/investors-corporate-overview
Is Earnings Date Estimate 0
Language en-US
Last Fiscal Year End 1,767,139,200
Long Business Summary PDF Solutions, Inc. provides proprietary software, physical intellectual property for integrated circuit designs, electrical measurement hardware tools, proven methodologies, and professional services in the United States, Japan, China, and internationally. The company offers Exensio software, such as Manufacturing Analytics, which uses a proprietary database schema to store collected data; Process Control, which provides failure detection and classification capabilities for monitoring, alarming, and controlling manufacturing tool sets; Test Operations, which offer data collection and analysis capabilities; and Assembly Operations, which provide device manufacturers with the capability to link assembly and packaging data, including fabrication and characterization data across the product life cycle. It also provides Sapience Data Platform, which unifies fragmented data from diverse equipment and protocols across the factory floor; Sapience Manufacturing Hub enterprise, a connectivity platform between enterprise applications; DirectScan systems, such as Proprietary Software and eProbe Non-Contact E-Beam Tool; and Characterization Vehicle (CV) system, which includes CV Test Chips, pdFasTest Electrical Tester, and Exensio characterization software. In addition, the company offers Cimetrix software products that enable equipment manufacturers to provide standard interfaces on their products for equipment communication, control, and data collection; equipment factory connectivity products, such as Cimetrix CIMConnect, Cimetrix CIM300, and Cimetrix CIMPortal Plus; equipment factory connectivity testing and control products; secureWISE systems, including software, servers, and networks; software-as-a-service; software and hardware installation and configuration; system/data integration, and value realization; and technical support and maintenance for hardware and software. PDF Solutions, Inc. was founded in 1991 and is headquartered in Santa Clara, California.
Long Name PDF Solutions, Inc.
Market us_market
Market Cap 1,746,415,104
Market State REGULAR
Max Age 86,400
Message Board Id finmb_32789
Most Recent Quarter 1,767,139,200
Net Income To Common -640,000
Next Fiscal Year End 1,798,675,200
Non Diluted Market Cap 1,738,836,005
Number Of Analyst Opinions 4
Open 43.83
Operating Cashflow 24,053,000
Operating Margins 0.05381
Overall Risk 4
Payout Ratio 0.0
Peg Ratio 4.19
Phone 408 280 7900
Previous Close 43.54
Price Eps Current Year 39.264572
Price Hint 2
Price To Book 6.387511
Price To Sales Trailing12 Months 7.973624
Profit Margins -0.0029199999
Quick Ratio 2.153
Quote Source Name Nasdaq Real Time Price
Quote Type EQUITY
Recommendation Key none
Region US
Regular Market Change 0.23999786
Regular Market Change Percent 0.5512124
Regular Market Day High 44.41
Regular Market Day Low 43.51
Regular Market Day Range 43.51 - 44.41
Regular Market Open 43.83
Regular Market Previous Close 43.54
Regular Market Price 43.78
Regular Market Time 1,776,794,512
Regular Market Volume 159,971
Return On Assets 0.01762
Return On Equity -0.00248
Revenue Growth 0.246
Revenue Per Share 5.571
Sand P52 Week Change 0.34445214
Sector Technology
Sector Disp Technology
Sector Key technology
Share Holder Rights Risk 4
Shares Outstanding 39,890,709
Shares Percent Shares Out 0.0471
Shares Short 1,880,406
Shares Short Previous Month Date 1,772,150,400
Shares Short Prior Month 1,756,410
Short Name PDF Solutions, Inc.
Short Percent Of Float 0.0612
Short Ratio 5.8
Source Interval 15
State CA
Symbol PDFS
Target High Price 40.0
Target Low Price 33.0
Target Mean Price 36.5
Target Median Price 36.5
Total Cash 42,220,000
Total Cash Per Share 1.058
Total Debt 72,819,000
Total Revenue 219,024,000
Tradeable 0
Trailing Annual Dividend Rate 0.0
Trailing Annual Dividend Yield 0.0
Trailing Eps -0.02
Trailing Peg Ratio None
Triggerable 1
Two Hundred Day Average 28.1054
Two Hundred Day Average Change 15.674599
Two Hundred Day Average Change Percent 0.5577077
Type Disp Equity
Volume 159,971
Website https://www.pdf.com
Zip 95,050