PDF Solutions (PDFS) Options Chain

NASDAQ: PDFSTechnologyComputer Software: Prepackaged SoftwareUSD

54.40+2.22 (+4.25%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Nov 20, 2026
Days to expiration: 40
Share price: $54.40
Put/call ratio (OI): 0.06
Put/call ratio (volume): 0.24
ATM implied volatility: 80.5%
Expected move: ±$14.50
Open interest (C / P): 1.14K / 73

PDFS options summary

The PDFS options chain for the November 20, 2026 expiration lists 15 call and 7 put contracts, with 40 days until expiration. Open interest stands at 1,144 calls and 73 puts, a put/call ratio of 0.06, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $55.00 strike is 80.5%, which implies the market expects a move of about ±$14.50 (26.7%) in PDF Solutions stock by expiration.

The most open interest sits at the $75.00 call (567 contracts) and the $35.00 put (30 contracts).

Summary generated from market data by MetaCap's automated system. Methodology

PDFS options chain · November 20, 2026

PDFS calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
2	4	334.4%	28.79	37.00	41.90	17.50	—	—	—	—	—	—
0	—	234.0%	35.55	29.50	33.60	22.50	0.00	2.05	1.25	201.9%	—	1
0	1	251.9%	18.74	30.00	34.50	25.00	—	—	—	—	—	—
—	—	—	—	—	—	30.00	0.00	0.00	1.15	50.0%	1	0
5	2	80.5%	16.00	18.00	21.30	35.00	0.05	2.55	0.25	123.2%	10	30
6	1	—	19.90	7.40	10.30	40.00	0.30	2.25	0.71	94.1%	1	13
38	2	84.6%	12.40	9.70	13.30	45.00	0.55	3.00	2.20	78.3%	1	11
175	30	77.1%	7.00	5.70	10.00	50.00	1.75	4.90	3.20	75.2%	2	10
PDFS $54.40
24	1	82.9%	6.45	4.00	7.50	55.00	4.50	7.50	4.80	78.1%	1	8
20	1	78.2%	2.65	1.95	5.20	60.00	—	—	—	—	—	—
35	3	79.1%	2.90	0.80	3.90	65.00	—	—	—	—	—	—
25	3	82.2%	1.90	0.00	3.30	70.00	—	—	—	—	—	—
567	1	87.2%	0.05	0.10	2.45	75.00	—	—	—	—	—	—
192	1	103.1%	0.50	0.15	2.85	80.00	—	—	—	—	—	—
54	16	98.3%	0.16	0.00	1.80	85.00	—	—	—	—	—	—
1	1	103.9%	1.05	0.00	1.15	95.00	—	—	—	—	—	—

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 November 20, 2026 expiration, the PDFS put/call ratio based on open interest is 0.06 (73 puts vs 1,144 calls), and 0.24 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 November 20, 2026 is about 80.5%, 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.