FISV · Fiserv Inc

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$53.94 -0.13 (-0.24%) At close · Jul 31

Market Cap

$28.76B

533.25M

Options Chain

15-min delayed Underlying $53.94 · at close Jul 31, 2026 Options Calculator

Positioning

Aug 7, 2026 · 5 days to expiry · 88 contracts

Put / call OI

0.52

Call-heavy positioning

Open interest

12,062

contracts outstanding

Volume

4,814

traded today

Max pain

$54.00

$0.06 above spot

ATM implied vol

89.9%

market's expected move

Open interest by strike · near the money

Calls Puts

42.5

43.5

44.5

45.5

46.5

47.5

48.5

49.5

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 7 5d Aug 14 12d Aug 21 19d Aug 28 26d Sep 4 33d Sep 11 40d Sep 18 47d Dec 18 138d Jan 15 166d Mar 19 229d Jun 17 319d Jan 21 537d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
1	3	458%	0.943	$26.30		$0.08	—	—	3	1
Call · $25 In the money Last $26.30 Breakeven $51.30 Implied vol 458% Delta 0.943 ≈94% ITM Gamma 0.004 Theta -0.301 Vega 0.008 Open interest 1 Model this call Put · $25 Last $0.08 Breakeven $24.92 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this put
0	—	270.4%	0.967	—		—	—	—	—	0
Call · $30 In the money Last — Breakeven — Implied vol 270.4% Delta 0.967 ≈97% ITM Gamma 0.004 Theta -0.117 Vega 0.005 Open interest 0 Model this call Put · $30 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	260.9%	0.922	—		$0.07	—	—	1	11
Call · $35 In the money Last — Breakeven — Implied vol 260.9% Delta 0.922 ≈92% ITM Gamma 0.008 Theta -0.22 Vega 0.01 Open interest 0 Model this call Put · $35 Last $0.07 Breakeven $34.93 Implied vol — Delta — Gamma — Theta — Vega — Open interest 11 Model this put
0	—	226%	0.905	—		$0.30	-0.066	190.8%	10	10
Call · $38 In the money Last — Breakeven — Implied vol 226% Delta 0.905 ≈91% ITM Gamma 0.011 Theta -0.223 Vega 0.01 Open interest 0 Model this call Put · $38 Last $0.30 Breakeven $37.70 Implied vol 190.8% Delta -0.066 ≈7% ITM Gamma 0.01 Theta -0.14 Vega 0.01 Open interest 10 Model this put
0	4	169.1%	0.94	$15.03		$0.50	-0.091	200.8%	1	11
Call · $39 In the money Last $15.03 Breakeven $54.03 Implied vol 169.1% Delta 0.94 ≈94% ITM Gamma 0.01 Theta -0.119 Vega 0.01 Open interest 0 Model this call Put · $39 Last $0.50 Breakeven $38.50 Implied vol 200.8% Delta -0.091 ≈9% ITM Gamma 0.012 Theta -0.188 Vega 0.01 Open interest 11 Model this put
15	60	201%	0.894	$13.70		$0.10	-0.116	211%	1	60
Call · $40 In the money Last $13.70 Breakeven $53.70 Implied vol 201% Delta 0.894 ≈89% ITM Gamma 0.014 Theta -0.217 Vega 0.01 Open interest 15 Model this call Put · $40 Last $0.10 Breakeven $39.90 Implied vol 211% Delta -0.116 ≈12% ITM Gamma 0.014 Theta -0.237 Vega 0.015 Open interest 60 Model this put
4	1	118.4%	0.964	$11.50		$0.09	-0.041	122.5%	1	30
Call · $41 In the money Last $11.50 Breakeven $52.50 Implied vol 118.4% Delta 0.964 ≈96% ITM Gamma 0.01 Theta -0.057 Vega 0.006 Open interest 4 Model this call Put · $41 Last $0.09 Breakeven $40.91 Implied vol 122.5% Delta -0.041 ≈4% ITM Gamma 0.011 Theta -0.061 Vega 0.006 Open interest 30 Model this put
0	—	153.7%	0.903	—		$0.10	-0.039	109%	125	63
Call · $42 In the money Last — Breakeven — Implied vol 153.7% Delta 0.903 ≈90% ITM Gamma 0.017 Theta -0.155 Vega 0.011 Open interest 0 Model this call Put · $42 Last $0.10 Breakeven $41.90 Implied vol 109% Delta -0.039 ≈4% ITM Gamma 0.011 Theta -0.052 Vega 0.006 Open interest 63 Model this put
93	20	134.1%	0.918	$13.39		—	-0.086	136.4%	—	0
Call · $42.5 In the money Last $13.39 Breakeven $55.89 Implied vol 134.1% Delta 0.918 ≈92% ITM Gamma 0.017 Theta -0.12 Vega 0.011 Open interest 93 Model this call Put · $42.5 Last — Breakeven — Implied vol 136.4% Delta -0.086 ≈9% ITM Gamma 0.017 Theta -0.121 Vega 0.011 Open interest 0 Model this put
93	20	142.7%	0.896	$12.90		$0.32	-0.155	184.2%	8	8
Call · $43 In the money Last $12.90 Breakeven $55.90 Implied vol 142.7% Delta 0.896 ≈90% ITM Gamma 0.019 Theta -0.152 Vega 0.011 Open interest 93 Model this call Put · $43 Last $0.32 Breakeven $42.68 Implied vol 184.2% Delta -0.155 ≈16% ITM Gamma 0.019 Theta -0.25 Vega 0.016 Open interest 8 Model this put
0	—	95.3%	0.956	—		$0.36	-0.05	99.4%	15	15
Call · $43.5 In the money Last — Breakeven — Implied vol 95.3% Delta 0.956 ≈96% ITM Gamma 0.014 Theta -0.054 Vega 0.006 Open interest 0 Model this call Put · $43.5 Last $0.36 Breakeven $43.14 Implied vol 99.4% Delta -0.05 ≈5% ITM Gamma 0.015 Theta -0.058 Vega 0.006 Open interest 15 Model this put
0	—	135.7%	0.883	—		$0.13	-0.052	95%	14	30
Call · $44 In the money Last — Breakeven — Implied vol 135.7% Delta 0.883 ≈88% ITM Gamma 0.022 Theta -0.159 Vega 0.016 Open interest 0 Model this call Put · $44 Last $0.13 Breakeven $43.87 Implied vol 95% Delta -0.052 ≈5% ITM Gamma 0.017 Theta -0.058 Vega 0.006 Open interest 30 Model this put
0	—	135.5%	0.867	—		$0.20	-0.07	99.1%	2	10
Call · $44.5 In the money Last — Breakeven — Implied vol 135.5% Delta 0.867 ≈87% ITM Gamma 0.023 Theta -0.17 Vega 0.016 Open interest 0 Model this call Put · $44.5 Last $0.20 Breakeven $44.30 Implied vol 99.1% Delta -0.07 ≈7% ITM Gamma 0.02 Theta -0.076 Vega 0.011 Open interest 10 Model this put
22	6	129.3%	0.862	$6.70		$0.13	-0.079	96.3%	998	86
Call · $45 In the money Last $6.70 Breakeven $51.70 Implied vol 129.3% Delta 0.862 ≈86% ITM Gamma 0.025 Theta -0.167 Vega 0.016 Open interest 22 Model this call Put · $45 Last $0.13 Breakeven $44.87 Implied vol 96.3% Delta -0.079 ≈8% ITM Gamma 0.023 Theta -0.08 Vega 0.011 Open interest 86 Model this put
0	—	126.2%	0.851	—		$0.25	-0.088	93.6%	4	67
Call · $45.5 In the money Last — Breakeven — Implied vol 126.2% Delta 0.851 ≈85% ITM Gamma 0.027 Theta -0.171 Vega 0.017 Open interest 0 Model this call Put · $45.5 Last $0.25 Breakeven $45.25 Implied vol 93.6% Delta -0.088 ≈9% ITM Gamma 0.025 Theta -0.084 Vega 0.011 Open interest 67 Model this put
0	—	117.1%	0.85	—		$0.22	-0.106	95.4%	3	236
Call · $46 In the money Last — Breakeven — Implied vol 117.1% Delta 0.85 ≈85% ITM Gamma 0.029 Theta -0.16 Vega 0.017 Open interest 0 Model this call Put · $46 Last $0.22 Breakeven $45.78 Implied vol 95.4% Delta -0.106 ≈11% ITM Gamma 0.029 Theta -0.1 Vega 0.011 Open interest 236 Model this put
0	—	114.1%	0.838	—		$0.33	-0.12	94.8%	6	21
Call · $46.5 In the money Last — Breakeven — Implied vol 114.1% Delta 0.838 ≈84% ITM Gamma 0.032 Theta -0.164 Vega 0.017 Open interest 0 Model this call Put · $46.5 Last $0.33 Breakeven $46.17 Implied vol 94.8% Delta -0.12 ≈12% ITM Gamma 0.032 Theta -0.109 Vega 0.017 Open interest 21 Model this put
11	10	114.1%	0.82	$4.73		$0.35	-0.117	85.5%	16	116
Call · $47 In the money Last $4.73 Breakeven $51.73 Implied vol 114.1% Delta 0.82 ≈82% ITM Gamma 0.034 Theta -0.176 Vega 0.017 Open interest 11 Model this call Put · $47 Last $0.35 Breakeven $46.65 Implied vol 85.5% Delta -0.117 ≈12% ITM Gamma 0.034 Theta -0.097 Vega 0.011 Open interest 116 Model this put
0	2	137.9%	0.766	$6.86		$0.45	-0.149	89.1%	2	41
Call · $47.5 In the money Last $6.86 Breakeven $54.36 Implied vol 137.9% Delta 0.766 ≈77% ITM Gamma 0.033 Theta -0.246 Vega 0.022 Open interest 0 Model this call Put · $47.5 Last $0.45 Breakeven $47.05 Implied vol 89.1% Delta -0.149 ≈15% ITM Gamma 0.039 Theta -0.118 Vega 0.017 Open interest 41 Model this put
16	3	110.4%	0.788	$6.53		$0.45	-0.158	83.4%	14	835
Call · $48 In the money Last $6.53 Breakeven $54.53 Implied vol 110.4% Delta 0.788 ≈79% ITM Gamma 0.039 Theta -0.19 Vega 0.022 Open interest 16 Model this call Put · $48 Last $0.45 Breakeven $47.55 Implied vol 83.4% Delta -0.158 ≈16% ITM Gamma 0.043 Theta -0.114 Vega 0.017 Open interest 835 Model this put
0	—	127.9%	0.738	—		$0.55	-0.175	80.7%	12	18
Call · $48.5 In the money Last — Breakeven — Implied vol 127.9% Delta 0.738 ≈74% ITM Gamma 0.038 Theta -0.242 Vega 0.022 Open interest 0 Model this call Put · $48.5 Last $0.55 Breakeven $47.95 Implied vol 80.7% Delta -0.175 ≈18% ITM Gamma 0.047 Theta -0.118 Vega 0.017 Open interest 18 Model this put
14	3	129.7%	0.716	$3.88		$0.69	-0.213	86.5%	11	117
Call · $49 In the money Last $3.88 Breakeven $52.88 Implied vol 129.7% Delta 0.716 ≈72% ITM Gamma 0.039 Theta -0.256 Vega 0.022 Open interest 14 Model this call Put · $49 Last $0.69 Breakeven $48.31 Implied vol 86.5% Delta -0.213 ≈21% ITM Gamma 0.051 Theta -0.145 Vega 0.022 Open interest 117 Model this put
6	1	118.2%	0.707	$5.08		$0.80	-0.22	77.4%	30	45
Call · $49.5 In the money Last $5.08 Breakeven $54.58 Implied vol 118.2% Delta 0.707 ≈71% ITM Gamma 0.043 Theta -0.237 Vega 0.023 Open interest 6 Model this call Put · $49.5 Last $0.80 Breakeven $48.70 Implied vol 77.4% Delta -0.22 ≈22% ITM Gamma 0.057 Theta -0.132 Vega 0.023 Open interest 45 Model this put
28	2	117.8%	0.685	$4.65		$0.90	-0.256	78.4%	178	510
Call · $50 In the money Last $4.65 Breakeven $54.65 Implied vol 117.8% Delta 0.685 ≈68% ITM Gamma 0.045 Theta -0.246 Vega 0.023 Open interest 28 Model this call Put · $50 Last $0.90 Breakeven $49.10 Implied vol 78.4% Delta -0.256 ≈26% ITM Gamma 0.061 Theta -0.143 Vega 0.023 Open interest 510 Model this put
200	16	115.1%	0.638	$4.00		$1.23	-0.322	78%	21	281
Call · $51 In the money Last $4.00 Breakeven $55.00 Implied vol 115.1% Delta 0.638 ≈64% ITM Gamma 0.048 Theta -0.251 Vega 0.026 Open interest 200 Model this call Put · $51 Last $1.23 Breakeven $49.77 Implied vol 78% Delta -0.322 ≈32% ITM Gamma 0.069 Theta -0.16 Vega 0.023 Open interest 281 Model this put
185	9	111.1%	0.588	$3.30		$1.60	-0.393	74.5%	136	183
Call · $52 In the money Last $3.30 Breakeven $55.30 Implied vol 111.1% Delta 0.588 ≈59% ITM Gamma 0.052 Theta -0.251 Vega 0.027 Open interest 185 Model this call Put · $52 Last $1.60 Breakeven $50.40 Implied vol 74.5% Delta -0.393 ≈39% ITM Gamma 0.077 Theta -0.162 Vega 0.027 Open interest 183 Model this put
137	46	107.2%	0.534	$2.82		$1.90	-0.471	75.7%	64	378
Call · $53 In the money Last $2.82 Breakeven $55.82 Implied vol 107.2% Delta 0.534 ≈53% ITM Gamma 0.056 Theta -0.25 Vega 0.027 Open interest 137 Model this call Put · $53 Last $1.90 Breakeven $51.10 Implied vol 75.7% Delta -0.471 ≈47% ITM Gamma 0.079 Theta -0.173 Vega 0.027 Open interest 378 Model this put
Underlying $53.94
737	175	106%	0.48	$2.55		$2.38	-0.55	73.8%	46	610
Call · $54 Last $2.55 Breakeven $56.55 Implied vol 106% Delta 0.48 ≈48% ITM Gamma 0.056 Theta -0.245 Vega 0.027 Open interest 737 Model this call Put · $54 In the money Last $2.38 Breakeven $51.62 Implied vol 73.8% Delta -0.55 ≈55% ITM Gamma 0.08 Theta -0.165 Vega 0.027 Open interest 610 Model this put
1.2k	177	105.1%	0.425	$2.03		$3.10	-0.632	72%	7	82
Call · $55 Last $2.03 Breakeven $57.03 Implied vol 105.1% Delta 0.425 ≈42% ITM Gamma 0.055 Theta -0.239 Vega 0.027 Open interest 1.2k Model this call Put · $55 In the money Last $3.10 Breakeven $51.90 Implied vol 72% Delta -0.632 ≈63% ITM Gamma 0.079 Theta -0.155 Vega 0.024 Open interest 82 Model this put
1.4k	318	103%	0.368	$1.62		$3.75	-0.717	67%	272	21
Call · $56 Last $1.62 Breakeven $57.62 Implied vol 103% Delta 0.368 ≈37% ITM Gamma 0.055 Theta -0.227 Vega 0.024 Open interest 1.4k Model this call Put · $56 In the money Last $3.75 Breakeven $52.25 Implied vol 67% Delta -0.717 ≈72% ITM Gamma 0.075 Theta -0.126 Vega 0.024 Open interest 21 Model this put
905	609	100.8%	0.316	$1.30		$4.10	-0.822	57.8%	4	215
Call · $57 Last $1.30 Breakeven $58.30 Implied vol 100.8% Delta 0.316 ≈32% ITM Gamma 0.052 Theta -0.207 Vega 0.024 Open interest 905 Model this call Put · $57 In the money Last $4.10 Breakeven $52.90 Implied vol 57.8% Delta -0.822 ≈82% ITM Gamma 0.068 Theta -0.082 Vega 0.019 Open interest 215 Model this put
267	40	94.6%	0.25	$0.96		—	-0.921	48.8%	—	0
Call · $58 Last $0.96 Breakeven $58.96 Implied vol 94.6% Delta 0.25 ≈25% ITM Gamma 0.051 Theta -0.176 Vega 0.025 Open interest 267 Model this call Put · $58 In the money Last — Breakeven — Implied vol 48.8% Delta -0.921 ≈92% ITM Gamma 0.047 Theta -0.038 Vega 0.012 Open interest 0 Model this put
413	792	98.1%	0.22	$0.82		$8.92	—	—	1	1
Call · $59 Last $0.82 Breakeven $59.82 Implied vol 98.1% Delta 0.22 ≈22% ITM Gamma 0.045 Theta -0.168 Vega 0.019 Open interest 413 Model this call Put · $59 In the money Last $8.92 Breakeven $50.08 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this put
700	259	96.3%	0.177	$0.60		$5.40	-0.918	67.7%	1	1
Call · $60 Last $0.60 Breakeven $60.60 Implied vol 96.3% Delta 0.177 ≈18% ITM Gamma 0.04 Theta -0.144 Vega 0.019 Open interest 700 Model this call Put · $60 In the money Last $5.40 Breakeven $54.60 Implied vol 67.7% Delta -0.918 ≈92% ITM Gamma 0.034 Theta -0.055 Vega 0.012 Open interest 1 Model this put
95	14	96.3%	0.141	$0.45		$6.10	—	—	1	1
Call · $61 Last $0.45 Breakeven $61.45 Implied vol 96.3% Delta 0.141 ≈14% ITM Gamma 0.035 Theta -0.125 Vega 0.013 Open interest 95 Model this call Put · $61 In the money Last $6.10 Breakeven $54.90 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this put
82	32	93.6%	0.109	$0.38		—	—	—	—	0
Call · $62 Last $0.38 Breakeven $62.38 Implied vol 93.6% Delta 0.109 ≈11% ITM Gamma 0.029 Theta -0.1 Vega 0.013 Open interest 82 Model this call Put · $62 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
53	14	98.6%	0.098	$0.25		—	—	—	—	0
Call · $63 Last $0.25 Breakeven $63.25 Implied vol 98.6% Delta 0.098 ≈10% ITM Gamma 0.026 Theta -0.098 Vega 0.013 Open interest 53 Model this call Put · $63 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	38	105.5%	0.093	$0.20		—	-0.951	86.5%	—	0
Call · $64 Last $0.20 Breakeven $64.20 Implied vol 105.5% Delta 0.093 ≈9% ITM Gamma 0.023 Theta -0.101 Vega 0.013 Open interest 0 Model this call Put · $64 In the money Last — Breakeven — Implied vol 86.5% Delta -0.951 ≈95% ITM Gamma 0.018 Theta -0.046 Vega 0.007 Open interest 0 Model this put
1.1k	72	92.4%	0.049	$0.12		$14.29	-0.954	92.2%	1	1
Call · $65 Last $0.12 Breakeven $65.12 Implied vol 92.4% Delta 0.049 ≈5% ITM Gamma 0.016 Theta -0.053 Vega 0.008 Open interest 1.1k Model this call Put · $65 In the money Last $14.29 Breakeven $50.71 Implied vol 92.2% Delta -0.954 ≈95% ITM Gamma 0.016 Theta -0.047 Vega 0.007 Open interest 1 Model this put
0	11	104.5%	0.059	$0.20		—	—	—	—	0
Call · $66 Last $0.20 Breakeven $66.20 Implied vol 104.5% Delta 0.059 ≈6% ITM Gamma 0.017 Theta -0.07 Vega 0.008 Open interest 0 Model this call Put · $66 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	132.7%	0.099	—		—	—	—	—	0
Call · $67 Last — Breakeven — Implied vol 132.7% Delta 0.099 ≈10% ITM Gamma 0.019 Theta -0.132 Vega 0.013 Open interest 0 Model this call Put · $67 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $68 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $68 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
80	20	119.9%	0.04	$0.12		$16.45	—	—	8	0
Call · $70 Last $0.12 Breakeven $70.12 Implied vol 119.9% Delta 0.04 ≈4% ITM Gamma 0.011 Theta -0.059 Vega 0.008 Open interest 80 Model this call Put · $70 In the money Last $16.45 Breakeven $53.55 Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
20	20	—	—	$0.03		—	—	—	—	0
Call · $75 Last $0.03 Breakeven $75.03 Implied vol — Delta — Gamma — Theta — Vega — Open interest 20 Model this call Put · $75 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. The 25 strikes around the money are shown by default — switch to "All 44" for the wings. Max pain is the listed strike where the most open interest would expire worthless — a positioning reference, not a forecast.

Key facts CIK 798354 CUSIP 337738108 13F (30d) 480 filings 447 filers Visit website Investor relations