PDF Solutions (PDFS) Options Chain
NASDAQ: PDFSTechnologyComputer Software: Prepackaged SoftwareUSD
At close: Oct 8, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 8
- Share price
- $52.18
- Put/call ratio (OI)
- 0.30
- Put/call ratio (volume)
- 0.70
- Expected move
- ±$6.43
- Open interest (C / P)
- 86 / 26
PDFS options summary
The PDFS options chain for the October 16, 2026 expiration lists 7 call and 2 put contracts, with 8 days until expiration. Open interest stands at 86 calls and 26 puts, a put/call ratio of 0.30, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $50.00 strike is 83.3%, which implies the market expects a move of about ±$6.43 (12.3%) in PDF Solutions stock by expiration.
The most open interest sits at the $50.00 call (42 contracts) and the $40.00 put (25 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
PDFS options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 6.50 | 10.50 | 14.20 | 40.00 | 0.00 | 1.40 | 1.20 | |||||
| 10.70 | 5.40 | 8.80 | 45.00 | 0.00 | 0.75 | 0.18 | |||||
| 5.40 | 2.30 | 5.20 | 50.00 | — | — | — | |||||
| 2.00 | 0.00 | 3.40 | 55.00 | — | — | — | |||||
| 1.19 | 0.00 | 2.20 | 60.00 | — | — | — | |||||
| 0.50 | — | — | 65.00 | — | — | — | |||||
| 0.10 | — | — | 75.00 | — | — | — | |||||
In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.
Frequently asked questions
What is the PDFS put/call ratio?
For the October 16, 2026 expiration, the PDFS put/call ratio based on open interest is 0.30 (26 puts vs 86 calls), and 0.70 based on today's volume. A ratio above 1 means more puts than calls.
What is PDFS's implied volatility?
At-the-money implied volatility for PDFS options expiring October 16, 2026 is about 83.3%, an annualized estimate of how much the market expects PDF Solutions stock to move.
How many PDFS option expiration dates are there?
PDFS has 4 listed expiration dates, from Oct 16, 2026 to May 21, 2027.
What does "in the money" mean?
A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.