CACC · Credit Acceptance Corp

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$587.27 +4.38 (+0.75%) At close · Aug 14

Market Cap

$6.10B

10.38M

Options Chain

Underlying $587.27 · at close Aug 14, 2026 Options Calculator

Positioning

Aug 21, 2026 · 6 days to expiry · 56 contracts · mixed snapshot sessions · Jul 8, 2025–Aug 13, 2026; 18 unknown

Put / call OI

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dated and unknown snapshot sessions

Open interest

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dated and unknown snapshot sessions

Volume

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dated and unknown snapshot sessions

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 6d Oct 16 62d Nov 20 97d Dec 18 125d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	0.1%	1	—		$8.00	-0.041	445.1%	1	1
Call · $250 In the money Snapshot session Unknown Last — Breakeven — Implied vol 0.1% Delta 1 ≈100% ITM Gamma 0 Theta -0.025 Vega 0 Open interest 0 Model this call Put · $250 Snapshot session Dec 4, 2025 Last $8.00 Breakeven $242.00 Implied vol 445.1% Delta -0.041 ≈4% ITM Gamma 0 Theta -2.36 Vega 0.087 Open interest 1 Model this put
1	1	236.5%	0.997	$208.30		$10.00	-0.043	427.6%	1	2
Call · $260 In the money Snapshot session Nov 3, 2025 Last $208.30 Breakeven $468.30 Implied vol 236.5% Delta 0.997 ≈100% ITM Gamma 0 Theta -0.138 Vega 0.011 Open interest 1 Model this call Put · $260 Snapshot session Nov 4, 2025 Last $10.00 Breakeven $250.00 Implied vol 427.6% Delta -0.043 ≈4% ITM Gamma 0 Theta -2.356 Vega 0.089 Open interest 2 Model this put
0	—	225.2%	0.997	—		$10.47	—	—	1	1
Call · $270 In the money Snapshot session Unknown Last — Breakeven — Implied vol 225.2% Delta 0.997 ≈100% ITM Gamma 0 Theta -0.134 Vega 0.004 Open interest 0 Model this call Put · $270 Snapshot session Aug 4, 2025 Last $10.47 Breakeven $259.53 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this put
0	—	223.1%	0.996	—		$10.00	—	—	1	1
Call · $280 In the money Snapshot session Unknown Last — Breakeven — Implied vol 223.1% Delta 0.996 ≈100% ITM Gamma 0 Theta -0.182 Vega 0.012 Open interest 0 Model this call Put · $280 Snapshot session Sep 26, 2025 Last $10.00 Breakeven $270.00 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this put
1	1	212.6%	0.996	$235.10		—	—	—	—	0
Call · $290 In the money Snapshot session Feb 12, 2026 Last $235.10 Breakeven $525.10 Implied vol 212.6% Delta 0.996 ≈100% ITM Gamma 0 Theta -0.179 Vega 0.012 Open interest 1 Model this call Put · $290 Snapshot session Unknown Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
1	1	210.6%	0.994	$226.10		$14.00	-0.051	360.8%	3	17
Call · $300 In the money Snapshot session Feb 12, 2026 Last $226.10 Breakeven $526.10 Implied vol 210.6% Delta 0.994 ≈99% ITM Gamma 0 Theta -0.227 Vega 0.012 Open interest 1 Model this call Put · $300 Snapshot session Apr 2, 2026 Last $14.00 Breakeven $286.00 Implied vol 360.8% Delta -0.051 ≈5% ITM Gamma 0 Theta -2.273 Vega 0.097 Open interest 17 Model this put
1	1	199%	0.993	$208.50		$11.00	-0.056	330.9%	3	0
Call · $320 In the money Snapshot session Feb 12, 2026 Last $208.50 Breakeven $528.50 Implied vol 199% Delta 0.993 ≈99% ITM Gamma 0 Theta -0.272 Vega 0.013 Open interest 1 Model this call Put · $320 Snapshot session Jan 30, 2026 Last $11.00 Breakeven $309.00 Implied vol 330.9% Delta -0.056 ≈6% ITM Gamma 0 Theta -2.228 Vega 0.1 Open interest 0 Model this put
0	—	186.3%	0.991	—		$15.80	-0.061	302.9%	1	1
Call · $340 In the money Snapshot session Unknown Last — Breakeven — Implied vol 186.3% Delta 0.991 ≈99% ITM Gamma 0 Theta -0.312 Vega 0.03 Open interest 0 Model this call Put · $340 Snapshot session Sep 17, 2025 Last $15.80 Breakeven $324.20 Implied vol 302.9% Delta -0.061 ≈6% ITM Gamma 0.001 Theta -2.181 Vega 0.104 Open interest 1 Model this put
0	—	180.1%	0.989	—		$13.99	-0.064	289.8%	1	1
Call · $350 In the money Snapshot session Unknown Last — Breakeven — Implied vol 180.1% Delta 0.989 ≈99% ITM Gamma 0 Theta -0.346 Vega 0.031 Open interest 0 Model this call Put · $350 Snapshot session Feb 19, 2026 Last $13.99 Breakeven $336.01 Implied vol 289.8% Delta -0.064 ≈6% ITM Gamma 0.001 Theta -2.162 Vega 0.106 Open interest 1 Model this put
1	1	174.1%	0.987	$209.00		—	-0.066	276.7%	—	0
Call · $360 In the money Snapshot session Jul 8, 2025 Last $209.00 Breakeven $569.00 Implied vol 174.1% Delta 0.987 ≈99% ITM Gamma 0 Theta -0.38 Vega 0.031 Open interest 1 Model this call Put · $360 Snapshot session Unknown Last — Breakeven — Implied vol 276.7% Delta -0.066 ≈7% ITM Gamma 0.001 Theta -2.133 Vega 0.107 Open interest 0 Model this put
0	—	168.2%	0.985	—		$28.80	-0.069	264.1%	1	1
Call · $370 In the money Snapshot session Unknown Last — Breakeven — Implied vol 168.2% Delta 0.985 ≈99% ITM Gamma 0 Theta -0.414 Vega 0.032 Open interest 0 Model this call Put · $370 Snapshot session Jan 28, 2026 Last $28.80 Breakeven $341.20 Implied vol 264.1% Delta -0.069 ≈7% ITM Gamma 0.001 Theta -2.108 Vega 0.109 Open interest 1 Model this put
1	1	148.5%	0.98	$133.50		$41.00	-0.08	228.4%	1	1
Call · $400 In the money Snapshot session Sep 15, 2025 Last $133.50 Breakeven $533.50 Implied vol 148.5% Delta 0.98 ≈98% ITM Gamma 0 Theta -0.478 Vega 0.033 Open interest 1 Model this call Put · $400 Snapshot session Dec 19, 2025 Last $41.00 Breakeven $359.00 Implied vol 228.4% Delta -0.08 ≈8% ITM Gamma 0.001 Theta -2.033 Vega 0.114 Open interest 1 Model this put
0	—	135.2%	0.976	—		$1.00	-0.088	206.2%	5	1
Call · $420 In the money Snapshot session Unknown Last — Breakeven — Implied vol 135.2% Delta 0.976 ≈98% ITM Gamma 0.001 Theta -0.507 Vega 0.034 Open interest 0 Model this call Put · $420 Snapshot session Aug 13, 2026 Last $1.00 Breakeven $419.00 Implied vol 206.2% Delta -0.088 ≈9% ITM Gamma 0.001 Theta -1.982 Vega 0.117 Open interest 1 Model this put
0	—	128.4%	0.973	—		$27.40	-0.093	195.5%	1	6
Call · $430 In the money Snapshot session Unknown Last — Breakeven — Implied vol 128.4% Delta 0.973 ≈97% ITM Gamma 0.001 Theta -0.528 Vega 0.069 Open interest 0 Model this call Put · $430 Snapshot session Feb 2, 2026 Last $27.40 Breakeven $402.60 Implied vol 195.5% Delta -0.093 ≈9% ITM Gamma 0.001 Theta -1.956 Vega 0.118 Open interest 6 Model this put
0	—	124.2%	0.966	—		$45.50	-0.098	185.1%	1	1
Call · $440 In the money Snapshot session Unknown Last — Breakeven — Implied vol 124.2% Delta 0.966 ≈97% ITM Gamma 0.001 Theta -0.602 Vega 0.069 Open interest 0 Model this call Put · $440 Snapshot session Mar 19, 2026 Last $45.50 Breakeven $394.50 Implied vol 185.1% Delta -0.098 ≈10% ITM Gamma 0.001 Theta -1.93 Vega 0.12 Open interest 1 Model this put
1	1	114.4%	0.966	$72.00		—	-0.103	174.9%	—	0
Call · $450 In the money Snapshot session Aug 1, 2025 Last $72.00 Breakeven $522.00 Implied vol 114.4% Delta 0.966 ≈97% ITM Gamma 0.001 Theta -0.563 Vega 0.07 Open interest 1 Model this call Put · $450 Snapshot session Unknown Last — Breakeven — Implied vol 174.9% Delta -0.103 ≈10% ITM Gamma 0.001 Theta -1.904 Vega 0.121 Open interest 0 Model this put
51	50	106.3%	0.963	$72.00		$48.00	-0.109	164.9%	1	1
Call · $460 In the money Snapshot session Jan 8, 2026 Last $72.00 Breakeven $532.00 Implied vol 106.3% Delta 0.963 ≈96% ITM Gamma 0.001 Theta -0.552 Vega 0.071 Open interest 51 Model this call Put · $460 Snapshot session Feb 27, 2026 Last $48.00 Breakeven $412.00 Implied vol 164.9% Delta -0.109 ≈11% ITM Gamma 0.001 Theta -1.877 Vega 0.124 Open interest 1 Model this put
4	1	99.7%	0.959	$66.30		$18.00	-0.116	153.7%	1	53
Call · $470 In the money Snapshot session Apr 20, 2026 Last $66.30 Breakeven $536.30 Implied vol 99.7% Delta 0.959 ≈96% ITM Gamma 0.001 Theta -0.57 Vega 0.072 Open interest 4 Model this call Put · $470 Snapshot session Apr 14, 2026 Last $18.00 Breakeven $452.00 Implied vol 153.7% Delta -0.116 ≈12% ITM Gamma 0.002 Theta -1.817 Vega 0.186 Open interest 53 Model this put
1	1	94.6%	0.952	$54.90		$45.00	-0.124	142.6%	1	1
Call · $480 In the money Snapshot session Apr 28, 2026 Last $54.90 Breakeven $534.90 Implied vol 94.6% Delta 0.952 ≈95% ITM Gamma 0.001 Theta -0.616 Vega 0.072 Open interest 1 Model this call Put · $480 Snapshot session Feb 2, 2026 Last $45.00 Breakeven $435.00 Implied vol 142.6% Delta -0.124 ≈12% ITM Gamma 0.002 Theta -1.753 Vega 0.188 Open interest 1 Model this put
20	20	88.3%	0.946	$66.90		$80.60	-0.132	131.7%	1	1
Call · $490 In the money Snapshot session Feb 13, 2026 Last $66.90 Breakeven $556.90 Implied vol 88.3% Delta 0.946 ≈95% ITM Gamma 0.002 Theta -0.633 Vega 0.073 Open interest 20 Model this call Put · $490 Snapshot session Jan 27, 2026 Last $80.60 Breakeven $409.40 Implied vol 131.7% Delta -0.132 ≈13% ITM Gamma 0.002 Theta -1.689 Vega 0.19 Open interest 1 Model this put
0	1	83.5%	0.935	$38.72		$86.70	-0.142	121.1%	1	1
Call · $500 In the money Snapshot session Nov 6, 2025 Last $38.72 Breakeven $538.72 Implied vol 83.5% Delta 0.935 ≈93% ITM Gamma 0.002 Theta -0.688 Vega 0.128 Open interest 0 Model this call Put · $500 Snapshot session Jan 27, 2026 Last $86.70 Breakeven $413.30 Implied vol 121.1% Delta -0.142 ≈14% ITM Gamma 0.002 Theta -1.624 Vega 0.192 Open interest 1 Model this put
2	2	77.3%	0.922	$32.50		$83.00	-0.153	110.7%	1	1
Call · $510 In the money Snapshot session Apr 28, 2026 Last $32.50 Breakeven $542.50 Implied vol 77.3% Delta 0.922 ≈92% ITM Gamma 0.002 Theta -0.722 Vega 0.129 Open interest 2 Model this call Put · $510 Snapshot session Sep 25, 2025 Last $83.00 Breakeven $427.00 Implied vol 110.7% Delta -0.153 ≈15% ITM Gamma 0.003 Theta -1.56 Vega 0.194 Open interest 1 Model this put
3	1	72.7%	0.903	$25.30		—	-0.166	100.5%	—	0
Call · $520 In the money Snapshot session Apr 28, 2026 Last $25.30 Breakeven $545.30 Implied vol 72.7% Delta 0.903 ≈90% ITM Gamma 0.003 Theta -0.795 Vega 0.13 Open interest 3 Model this call Put · $520 Snapshot session Unknown Last — Breakeven — Implied vol 100.5% Delta -0.166 ≈17% ITM Gamma 0.003 Theta -1.495 Vega 0.196 Open interest 0 Model this put
1	1	64.6%	0.845	$18.30		—	-0.202	81.2%	—	0
Call · $540 In the money Snapshot session Apr 28, 2026 Last $18.30 Breakeven $558.30 Implied vol 64.6% Delta 0.845 ≈85% ITM Gamma 0.005 Theta -0.967 Vega 0.199 Open interest 1 Model this call Put · $540 Snapshot session Unknown Last — Breakeven — Implied vol 81.2% Delta -0.202 ≈20% ITM Gamma 0.004 Theta -1.38 Vega 0.2 Open interest 0 Model this put
1	2	58.4%	0.743	$37.82		—	-0.274	63.8%	—	0
Call · $560 In the money Snapshot session Dec 1, 2025 Last $37.82 Breakeven $597.82 Implied vol 58.4% Delta 0.743 ≈74% ITM Gamma 0.007 Theta -1.173 Vega 0.266 Open interest 1 Model this call Put · $560 Snapshot session Unknown Last — Breakeven — Implied vol 63.8% Delta -0.274 ≈27% ITM Gamma 0.007 Theta -1.26 Vega 0.266 Open interest 0 Model this put
Underlying $587.27
1	1	53%	0.399	$35.90		—	-0.602	53.5%	—	0
Call · $600 Snapshot session Jul 20, 2026 Last $35.90 Breakeven $635.90 Implied vol 53% Delta 0.399 ≈40% ITM Gamma 0.009 Theta -1.261 Vega 0.317 Open interest 1 Model this call Put · $600 In the money Snapshot session Unknown Last — Breakeven — Implied vol 53.5% Delta -0.602 ≈60% ITM Gamma 0.009 Theta -1.216 Vega 0.317 Open interest 0 Model this put
1	1	56.3%	0.325	$48.60		—	-0.688	52.8%	—	0
Call · $610 Snapshot session Jun 25, 2026 Last $48.60 Breakeven $658.60 Implied vol 56.3% Delta 0.325 ≈33% ITM Gamma 0.008 Theta -1.238 Vega 0.28 Open interest 1 Model this call Put · $610 In the money Snapshot session Unknown Last — Breakeven — Implied vol 52.8% Delta -0.688 ≈69% ITM Gamma 0.009 Theta -1.085 Vega 0.28 Open interest 0 Model this put
1	1	62.4%	0.275	$56.40		—	-0.763	54%	—	0
Call · $620 Snapshot session Jun 25, 2026 Last $56.40 Breakeven $676.40 Implied vol 62.4% Delta 0.275 ≈28% ITM Gamma 0.007 Theta -1.27 Vega 0.283 Open interest 1 Model this call Put · $620 In the money Snapshot session Unknown Last — Breakeven — Implied vol 54% Delta -0.763 ≈76% ITM Gamma 0.007 Theta -0.978 Vega 0.216 Open interest 0 Model this put

About this data

Each contract's last price, volume, greeks, implied volatility and open interest belongs to the snapshot session shown in its details; unknown means the provider omitted the timestamp. This chain has mixed snapshot sessions · Jul 8, 2025–Aug 13, 2026; 18 unknown. Cross-contract positioning totals are shown only when every returned row has the same known session. 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.

Key facts CIK 885550 CUSIP 225310101 13F (30d) 287 filings 283 filers Visit website