PDFS · Pdf Solutions Inc

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$42.24 -2.34 (-5.25%)

Market Cap

$1.78B

39.92M

Options Chain

15-min delayed Underlying $42.24 · today Options Calculator

Positioning

Aug 21, 2026 · 23 days to expiry · 40 contracts

Put / call OI

0.35

Call-heavy positioning

Open interest

1,951

contracts outstanding

Volume

279

traded today

Max pain

$40.00

$2.24 below spot

ATM implied vol

89.1%

market's expected move

Open interest by strike

Calls Puts

17.5

22.5

100

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 23d Sep 18 51d Nov 20 114d Feb 19 205d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
1	1	242.9%	0.977	$15.50		—	—	—	—	0
Call · $15 In the money Last $15.50 Breakeven $30.50 Implied vol 242.9% Delta 0.977 ≈98% ITM Gamma 0.002 Theta -0.032 Vega 0.006 Open interest 1 Model this call Put · $15 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
1	2	242.5%	0.961	$16.13		—	—	—	—	0
Call · $17.5 In the money Last $16.13 Breakeven $33.63 Implied vol 242.5% Delta 0.961 ≈96% ITM Gamma 0.003 Theta -0.049 Vega 0.011 Open interest 1 Model this call Put · $17.5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	216.8%	0.949	—		—	—	—	—	0
Call · $20 In the money Last — Breakeven — Implied vol 216.8% Delta 0.949 ≈95% ITM Gamma 0.005 Theta -0.053 Vega 0.012 Open interest 0 Model this call Put · $20 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	2	194.4%	0.936	$11.60		$1.05	-0.045	170.4%	183	362
Call · $22.5 In the money Last $11.60 Breakeven $34.10 Implied vol 194.4% Delta 0.936 ≈94% ITM Gamma 0.006 Theta -0.057 Vega 0.013 Open interest 0 Model this call Put · $22.5 Last $1.05 Breakeven $21.45 Implied vol 170.4% Delta -0.045 ≈5% ITM Gamma 0.005 Theta -0.037 Vega 0.013 Open interest 362 Model this put
2	1	170.9%	0.924	$30.81		$1.35	-0.052	145.1%	4	1
Call · $25 In the money Last $30.81 Breakeven $55.81 Implied vol 170.9% Delta 0.924 ≈92% ITM Gamma 0.008 Theta -0.059 Vega 0.014 Open interest 2 Model this call Put · $25 Last $1.35 Breakeven $23.65 Implied vol 145.1% Delta -0.052 ≈5% ITM Gamma 0.007 Theta -0.036 Vega 0.014 Open interest 1 Model this put
6	2	142.8%	0.869	$17.50		$0.41	-0.067	98.4%	1	3
Call · $30 In the money Last $17.50 Breakeven $47.50 Implied vol 142.8% Delta 0.869 ≈87% ITM Gamma 0.014 Theta -0.072 Vega 0.023 Open interest 6 Model this call Put · $30 Last $0.41 Breakeven $29.59 Implied vol 98.4% Delta -0.067 ≈7% ITM Gamma 0.013 Theta -0.029 Vega 0.016 Open interest 3 Model this put
79	1	98.7%	0.81	$22.60		$0.41	-0.171	87.3%	1	8
Call · $35 In the money Last $22.60 Breakeven $57.60 Implied vol 98.7% Delta 0.81 ≈81% ITM Gamma 0.026 Theta -0.065 Vega 0.025 Open interest 79 Model this call Put · $35 Last $0.41 Breakeven $34.59 Implied vol 87.3% Delta -0.171 ≈17% ITM Gamma 0.028 Theta -0.05 Vega 0.025 Open interest 8 Model this put
156	4	91.3%	0.633	$13.40		$2.20	-0.365	86.8%	11	44
Call · $40 In the money Last $13.40 Breakeven $53.40 Implied vol 91.3% Delta 0.633 ≈63% ITM Gamma 0.039 Theta -0.081 Vega 0.041 Open interest 156 Model this call Put · $40 Last $2.20 Breakeven $37.80 Implied vol 86.8% Delta -0.365 ≈37% ITM Gamma 0.041 Theta -0.073 Vega 0.041 Open interest 44 Model this put
Underlying $42.24
26	2	110.9%	0.462	$4.23		$2.25	-0.599	77.3%	2	16
Call · $45 Last $4.23 Breakeven $49.23 Implied vol 110.9% Delta 0.462 ≈46% ITM Gamma 0.034 Theta -0.103 Vega 0.043 Open interest 26 Model this call Put · $45 In the money Last $2.25 Breakeven $42.75 Implied vol 77.3% Delta -0.599 ≈60% ITM Gamma 0.048 Theta -0.067 Vega 0.043 Open interest 16 Model this put
74	1	113.1%	0.324	$4.90		$4.35	-0.84	64.9%	2	28
Call · $50 Last $4.90 Breakeven $54.90 Implied vol 113.1% Delta 0.324 ≈32% ITM Gamma 0.03 Theta -0.094 Vega 0.04 Open interest 74 Model this call Put · $50 In the money Last $4.35 Breakeven $45.65 Implied vol 64.9% Delta -0.84 ≈84% ITM Gamma 0.037 Theta -0.034 Vega 0.03 Open interest 28 Model this put
826	2	115.1%	0.221	$0.05		$11.95	-0.864	88.9%	7	10
Call · $55 Last $0.05 Breakeven $55.05 Implied vol 115.1% Delta 0.221 ≈22% ITM Gamma 0.024 Theta -0.079 Vega 0.032 Open interest 826 Model this call Put · $55 In the money Last $11.95 Breakeven $43.05 Implied vol 88.9% Delta -0.864 ≈86% ITM Gamma 0.024 Theta -0.041 Vega 0.021 Open interest 10 Model this put
87	2	100.9%	0.102	$0.05		$16.63	—	—	7	16
Call · $60 Last $0.05 Breakeven $60.05 Implied vol 100.9% Delta 0.102 ≈10% ITM Gamma 0.017 Theta -0.041 Vega 0.022 Open interest 87 Model this call Put · $60 In the money Last $16.63 Breakeven $43.37 Implied vol — Delta — Gamma — Theta — Vega — Open interest 16 Model this put
85	2	120.3%	0.097	$0.40		$10.81	—	—	1	1
Call · $65 Last $0.40 Breakeven $65.40 Implied vol 120.3% Delta 0.097 ≈10% ITM Gamma 0.014 Theta -0.048 Vega 0.023 Open interest 85 Model this call Put · $65 In the money Last $10.81 Breakeven $54.19 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this put
22	8	131.2%	0.084	$0.35		$9.70	—	—	10	10
Call · $70 Last $0.35 Breakeven $70.35 Implied vol 131.2% Delta 0.084 ≈8% ITM Gamma 0.011 Theta -0.047 Vega 0.014 Open interest 22 Model this call Put · $70 In the money Last $9.70 Breakeven $60.30 Implied vol — Delta — Gamma — Theta — Vega — Open interest 10 Model this put
61	2	139.9%	0.072	$0.45		$12.90	—	—	10	10
Call · $75 Last $0.45 Breakeven $75.45 Implied vol 139.9% Delta 0.072 ≈7% ITM Gamma 0.009 Theta -0.044 Vega 0.014 Open interest 61 Model this call Put · $75 In the money Last $12.90 Breakeven $62.10 Implied vol — Delta — Gamma — Theta — Vega — Open interest 10 Model this put
13	1	151.4%	0.068	$0.45		—	—	—	—	0
Call · $80 Last $0.45 Breakeven $80.45 Implied vol 151.4% Delta 0.068 ≈7% ITM Gamma 0.008 Theta -0.045 Vega 0.015 Open interest 13 Model this call Put · $80 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	168.8%	0.075	—		—	—	—	—	0
Call · $85 Last — Breakeven — Implied vol 168.8% Delta 0.075 ≈7% ITM Gamma 0.008 Theta -0.055 Vega 0.015 Open interest 0 Model this call Put · $85 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
2	6	172.4%	0.061	$0.26		—	—	—	—	0
Call · $90 Last $0.26 Breakeven $90.26 Implied vol 172.4% Delta 0.061 ≈6% ITM Gamma 0.007 Theta -0.048 Vega 0.016 Open interest 2 Model this call Put · $90 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
1	1	188.3%	0.069	$1.90		—	—	—	—	0
Call · $95 Last $1.90 Breakeven $96.90 Implied vol 188.3% Delta 0.069 ≈7% ITM Gamma 0.007 Theta -0.057 Vega 0.016 Open interest 1 Model this call Put · $95 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	200.5%	0.072	—		—	—	—	—	0
Call · $100 Last — Breakeven — Implied vol 200.5% Delta 0.072 ≈7% ITM Gamma 0.006 Theta -0.062 Vega 0.016 Open interest 0 Model this call Put · $100 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put

About this data

Greeks, implied volatility, open interest and the last price come from the latest daily snapshot and are 15-minute delayed. Bid and ask are not included on this plan.

In-the-money strikes are tinted, deepening toward the money, and the bar beside each open-interest figure scales to the heaviest strike shown. Max pain is the listed strike where the most open interest would expire worthless — a positioning reference, not a forecast.

Key facts CIK 1120914 CUSIP 693282105 13F (30d) 51 filings 48 filers Visit website Investor relations