GWRE · Guidewire Software, Inc.

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$151.94 -1.27 (-0.83%) At close · Jul 31

Market Cap

$12.65B

83.26M

Options Chain

15-min delayed Underlying $151.94 · at close Jul 31, 2026 Options Calculator

Positioning

Aug 21, 2026 · 20 days to expiry · 54 contracts

Put / call OI

0.21

Call-heavy positioning

Open interest

1,787

contracts outstanding

Volume

263

traded today

Max pain

$135.00

$16.94 below spot

ATM implied vol

58.3%

market's expected move

Open interest by strike

Calls Puts

100

105

110

115

120

125

130

135

140

145

150

155

160

165

170

175

180

185

190

195

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 20d Sep 18 48d Oct 16 76d Dec 18 139d Jan 15 167d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	0.2%	1	—		$0.40	-0.015	188.2%	4	4
Call · $65 In the money Last — Breakeven — Implied vol 0.2% Delta 1 ≈100% ITM Gamma 0 Theta -0.006 Vega 0 Open interest 0 Model this call Put · $65 Last $0.40 Breakeven $64.60 Implied vol 188.2% Delta -0.015 ≈1% ITM Gamma 0.001 Theta -0.063 Vega 0.012 Open interest 4 Model this put
0	—	0.2%	1	—		$0.80	-0.016	173.6%	4	4
Call · $70 In the money Last — Breakeven — Implied vol 0.2% Delta 1 ≈100% ITM Gamma 0 Theta -0.007 Vega 0 Open interest 0 Model this call Put · $70 Last $0.80 Breakeven $69.20 Implied vol 173.6% Delta -0.016 ≈2% ITM Gamma 0.001 Theta -0.063 Vega 0.012 Open interest 4 Model this put
0	—	120%	0.997	—		$1.32	-0.018	160%	4	4
Call · $75 In the money Last — Breakeven — Implied vol 120% Delta 0.997 ≈100% ITM Gamma 0 Theta -0.018 Vega 0.005 Open interest 0 Model this call Put · $75 Last $1.32 Breakeven $73.68 Implied vol 160% Delta -0.018 ≈2% ITM Gamma 0.001 Theta -0.062 Vega 0.012 Open interest 4 Model this put
0	—	0.2%	1	—		—	-0.022	152.4%	—	0
Call · $80 In the money Last — Breakeven — Implied vol 0.2% Delta 1 ≈100% ITM Gamma 0 Theta -0.008 Vega 0 Open interest 0 Model this call Put · $80 Last — Breakeven — Implied vol 152.4% Delta -0.022 ≈2% ITM Gamma 0.001 Theta -0.072 Vega 0.026 Open interest 0 Model this put
0	—	0.2%	1	—		$0.25	-0.014	122.4%	1	1
Call · $85 In the money Last — Breakeven — Implied vol 0.2% Delta 1 ≈100% ITM Gamma 0 Theta -0.008 Vega 0 Open interest 0 Model this call Put · $85 Last $0.25 Breakeven $84.75 Implied vol 122.4% Delta -0.014 ≈1% ITM Gamma 0.001 Theta -0.039 Vega 0.013 Open interest 1 Model this put
0	—	0.2%	1	—		$0.10	-0.049	154.7%	5	11
Call · $90 In the money Last — Breakeven — Implied vol 0.2% Delta 1 ≈100% ITM Gamma 0 Theta -0.009 Vega 0 Open interest 0 Model this call Put · $90 Last $0.10 Breakeven $89.90 Implied vol 154.7% Delta -0.049 ≈5% ITM Gamma 0.002 Theta -0.142 Vega 0.047 Open interest 11 Model this put
0	—	0.2%	1	—		$0.10	-0.05	137.8%	1	3
Call · $95 In the money Last — Breakeven — Implied vol 0.2% Delta 1 ≈100% ITM Gamma 0 Theta -0.009 Vega 0 Open interest 0 Model this call Put · $95 Last $0.10 Breakeven $94.90 Implied vol 137.8% Delta -0.05 ≈5% ITM Gamma 0.002 Theta -0.128 Vega 0.049 Open interest 3 Model this put
0	—	0.2%	1	—		$0.56	-0.023	97.2%	1	32
Call · $100 In the money Last — Breakeven — Implied vol 0.2% Delta 1 ≈100% ITM Gamma 0 Theta -0.01 Vega 0 Open interest 0 Model this call Put · $100 Last $0.56 Breakeven $99.44 Implied vol 97.2% Delta -0.023 ≈2% ITM Gamma 0.002 Theta -0.047 Vega 0.015 Open interest 32 Model this put
4	2	0.2%	1	$20.81		$0.35	-0.068	117.3%	2	15
Call · $105 In the money Last $20.81 Breakeven $125.81 Implied vol 0.2% Delta 1 ≈100% ITM Gamma 0 Theta -0.01 Vega 0 Open interest 4 Model this call Put · $105 Last $0.35 Breakeven $104.65 Implied vol 117.3% Delta -0.068 ≈7% ITM Gamma 0.003 Theta -0.136 Vega 0.051 Open interest 15 Model this put
24	3	82.4%	0.963	$41.21		$0.25	-0.023	74.3%	1	22
Call · $110 In the money Last $41.21 Breakeven $151.21 Implied vol 82.4% Delta 0.963 ≈96% ITM Gamma 0.003 Theta -0.07 Vega 0.03 Open interest 24 Model this call Put · $110 Last $0.25 Breakeven $109.75 Implied vol 74.3% Delta -0.023 ≈2% ITM Gamma 0.002 Theta -0.037 Vega 0.015 Open interest 22 Model this put
14	1	72.6%	0.959	$30.61		$0.20	-0.026	65.5%	1	15
Call · $115 In the money Last $30.61 Breakeven $145.61 Implied vol 72.6% Delta 0.959 ≈96% ITM Gamma 0.003 Theta -0.067 Vega 0.031 Open interest 14 Model this call Put · $115 Last $0.20 Breakeven $114.80 Implied vol 65.5% Delta -0.026 ≈3% ITM Gamma 0.003 Theta -0.035 Vega 0.031 Open interest 15 Model this put
9	1	70.2%	0.939	$14.70		$0.80	-0.056	68.5%	6	17
Call · $120 In the money Last $14.70 Breakeven $134.70 Implied vol 70.2% Delta 0.939 ≈94% ITM Gamma 0.005 Theta -0.087 Vega 0.055 Open interest 9 Model this call Put · $120 Last $0.80 Breakeven $119.20 Implied vol 68.5% Delta -0.056 ≈6% ITM Gamma 0.005 Theta -0.069 Vega 0.032 Open interest 17 Model this put
13	10	63.5%	0.92	$23.20		$1.35	-0.095	68.4%	7	23
Call · $125 In the money Last $23.20 Breakeven $148.20 Implied vol 63.5% Delta 0.92 ≈92% ITM Gamma 0.007 Theta -0.096 Vega 0.056 Open interest 13 Model this call Put · $125 Last $1.35 Breakeven $123.65 Implied vol 68.4% Delta -0.095 ≈9% ITM Gamma 0.007 Theta -0.102 Vega 0.056 Open interest 23 Model this put
76	1	68.2%	0.858	$23.45		$1.18	-0.092	53.3%	2	18
Call · $130 In the money Last $23.45 Breakeven $153.45 Implied vol 68.2% Delta 0.858 ≈86% ITM Gamma 0.009 Theta -0.148 Vega 0.086 Open interest 76 Model this call Put · $130 Last $1.18 Breakeven $128.82 Implied vol 53.3% Delta -0.092 ≈9% ITM Gamma 0.009 Theta -0.077 Vega 0.057 Open interest 18 Model this put
117	4	60.2%	0.822	$20.44		$2.30	-0.17	57.9%	2	34
Call · $135 In the money Last $20.44 Breakeven $155.44 Implied vol 60.2% Delta 0.822 ≈82% ITM Gamma 0.012 Theta -0.151 Vega 0.088 Open interest 117 Model this call Put · $135 Last $2.30 Breakeven $132.70 Implied vol 57.9% Delta -0.17 ≈17% ITM Gamma 0.012 Theta -0.128 Vega 0.088 Open interest 34 Model this put
13	2	57.9%	0.754	$29.15		$3.50	-0.244	57.2%	9	34
Call · $140 In the money Last $29.15 Breakeven $169.15 Implied vol 57.9% Delta 0.754 ≈75% ITM Gamma 0.015 Theta -0.173 Vega 0.117 Open interest 13 Model this call Put · $140 Last $3.50 Breakeven $136.50 Implied vol 57.2% Delta -0.244 ≈24% ITM Gamma 0.016 Theta -0.157 Vega 0.117 Open interest 34 Model this put
107	8	58.9%	0.666	$13.00		$5.30	-0.333	57.6%	3	20
Call · $145 In the money Last $13.00 Breakeven $158.00 Implied vol 58.9% Delta 0.666 ≈67% ITM Gamma 0.018 Theta -0.203 Vega 0.137 Open interest 107 Model this call Put · $145 Last $5.30 Breakeven $139.70 Implied vol 57.6% Delta -0.333 ≈33% ITM Gamma 0.018 Theta -0.185 Vega 0.137 Open interest 20 Model this put
385	2	61%	0.57	$8.60		$7.10	-0.429	55.5%	15	39
Call · $150 In the money Last $8.60 Breakeven $158.60 Implied vol 61% Delta 0.57 ≈57% ITM Gamma 0.018 Theta -0.223 Vega 0.14 Open interest 385 Model this call Put · $150 Last $7.10 Breakeven $142.90 Implied vol 55.5% Delta -0.429 ≈43% ITM Gamma 0.02 Theta -0.189 Vega 0.14 Open interest 39 Model this put
Underlying $151.94
28	11	55.4%	0.473	$7.65		$9.42	-0.527	56.7%	3	6
Call · $155 Last $7.65 Breakeven $162.65 Implied vol 55.4% Delta 0.473 ≈47% ITM Gamma 0.02 Theta -0.204 Vega 0.142 Open interest 28 Model this call Put · $155 In the money Last $9.42 Breakeven $145.58 Implied vol 56.7% Delta -0.527 ≈53% ITM Gamma 0.02 Theta -0.194 Vega 0.142 Open interest 6 Model this put
32	2	59.4%	0.386	$5.00		$16.00	-0.626	55.7%	7	7
Call · $160 Last $5.00 Breakeven $165.00 Implied vol 59.4% Delta 0.386 ≈39% ITM Gamma 0.018 Theta -0.212 Vega 0.127 Open interest 32 Model this call Put · $160 In the money Last $16.00 Breakeven $144.00 Implied vol 55.7% Delta -0.626 ≈63% ITM Gamma 0.02 Theta -0.182 Vega 0.127 Open interest 7 Model this put
80	61	58.8%	0.305	$4.14		$31.50	-0.714	55.2%	1	1
Call · $165 Last $4.14 Breakeven $169.14 Implied vol 58.8% Delta 0.305 ≈30% ITM Gamma 0.017 Theta -0.188 Vega 0.129 Open interest 80 Model this call Put · $165 In the money Last $31.50 Breakeven $133.50 Implied vol 55.2% Delta -0.714 ≈71% ITM Gamma 0.018 Theta -0.158 Vega 0.129 Open interest 1 Model this put
312	4	56.2%	0.221	$3.10		—	-0.8	52.7%	—	0
Call · $170 Last $3.10 Breakeven $173.10 Implied vol 56.2% Delta 0.221 ≈22% ITM Gamma 0.015 Theta -0.153 Vega 0.101 Open interest 312 Model this call Put · $170 In the money Last — Breakeven — Implied vol 52.7% Delta -0.8 ≈80% ITM Gamma 0.015 Theta -0.121 Vega 0.1 Open interest 0 Model this put
21	12	55.1%	0.152	$1.95		—	-0.861	53.4%	—	0
Call · $175 Last $1.95 Breakeven $176.95 Implied vol 55.1% Delta 0.152 ≈15% ITM Gamma 0.012 Theta -0.12 Vega 0.103 Open interest 21 Model this call Put · $175 In the money Last — Breakeven — Implied vol 53.4% Delta -0.861 ≈86% ITM Gamma 0.012 Theta -0.096 Vega 0.068 Open interest 0 Model this put
157	57	53.6%	0.102	$5.20		—	-0.914	51.9%	—	0
Call · $180 Last $5.20 Breakeven $185.20 Implied vol 53.6% Delta 0.102 ≈10% ITM Gamma 0.009 Theta -0.086 Vega 0.07 Open interest 157 Model this call Put · $180 In the money Last — Breakeven — Implied vol 51.9% Delta -0.914 ≈91% ITM Gamma 0.009 Theta -0.063 Vega 0.065 Open interest 0 Model this put
44	1	53%	0.065	$0.77		—	-0.95	51.2%	—	0
Call · $185 Last $0.77 Breakeven $185.77 Implied vol 53% Delta 0.065 ≈7% ITM Gamma 0.007 Theta -0.061 Vega 0.041 Open interest 44 Model this call Put · $185 In the money Last — Breakeven — Implied vol 51.2% Delta -0.95 ≈95% ITM Gamma 0.007 Theta -0.039 Vega 0.036 Open interest 0 Model this put
27	1	57.8%	0.058	$0.97		—	-0.981	49.1%	—	0
Call · $190 Last $0.97 Breakeven $190.97 Implied vol 57.8% Delta 0.058 ≈6% ITM Gamma 0.006 Theta -0.06 Vega 0.042 Open interest 27 Model this call Put · $190 In the money Last — Breakeven — Implied vol 49.1% Delta -0.981 ≈98% ITM Gamma 0.004 Theta -0.014 Vega 0.015 Open interest 0 Model this put
14	1	72.9%	0.083	$1.50		—	—	—	—	0
Call · $195 Last $1.50 Breakeven $196.50 Implied vol 72.9% Delta 0.083 ≈8% ITM Gamma 0.006 Theta -0.101 Vega 0.072 Open interest 14 Model this call Put · $195 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 1528396 CUSIP 40171V100 13F (30d) 166 filings 166 filers Visit website Investor relations