CMP · Compass Minerals International Inc

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$29.41 -0.43 (-1.44%) At close · Jul 24

Market Cap

$1.24B

41.96M

Options Chain

15-min delayed Underlying $29.41 · today Options Calculator

Positioning

Aug 21, 2026 · 26 days to expiry · 26 contracts

Put / call OI

0.24

Call-heavy positioning

Open interest

157

contracts outstanding

Volume

traded today

Max pain

$30.00

$0.59 above spot

ATM implied vol

55.6%

market's expected move

Open interest by strike

Calls Puts

17.5

22.5

27.5

32.5

37.5

42.5

47.5

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 26d Sep 18 54d Dec 18 145d Mar 19 236d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	128.2%	0.956	—		$0.16	-0.067	149.9%	1	1
Call · $17.5 In the money Last — Breakeven — Implied vol 128.2% Delta 0.956 ≈96% ITM Gamma 0.009 Theta -0.02 Vega 0.006 Open interest 0 Model this call Put · $17.5 Last $0.16 Breakeven $17.34 Implied vol 149.9% Delta -0.067 ≈7% ITM Gamma 0.011 Theta -0.029 Vega 0.01 Open interest 1 Model this put
1	1	133.7%	0.898	$9.91		—	-0.084	119.1%	—	0
Call · $20 In the money Last $9.91 Breakeven $29.91 Implied vol 133.7% Delta 0.898 ≈90% ITM Gamma 0.017 Theta -0.038 Vega 0.017 Open interest 1 Model this call Put · $20 Last — Breakeven — Implied vol 119.1% Delta -0.084 ≈8% ITM Gamma 0.016 Theta -0.028 Vega 0.011 Open interest 0 Model this put
2	2	107%	0.861	$8.05		—	-0.108	91.7%	—	0
Call · $22.5 In the money Last $8.05 Breakeven $30.55 Implied vol 107% Delta 0.861 ≈86% ITM Gamma 0.026 Theta -0.037 Vega 0.018 Open interest 2 Model this call Put · $22.5 Last — Breakeven — Implied vol 91.7% Delta -0.108 ≈11% ITM Gamma 0.026 Theta -0.026 Vega 0.018 Open interest 0 Model this put
0	—	91.2%	0.789	—		$0.80	-0.17	71.8%	8	13
Call · $25 In the money Last — Breakeven — Implied vol 91.2% Delta 0.789 ≈79% ITM Gamma 0.04 Theta -0.042 Vega 0.025 Open interest 0 Model this call Put · $25 Last $0.80 Breakeven $24.20 Implied vol 71.8% Delta -0.17 ≈17% ITM Gamma 0.045 Theta -0.027 Vega 0.019 Open interest 13 Model this put
3	1	75.7%	0.674	$3.40		$1.06	-0.317	68.4%	6	10
Call · $27.5 In the money Last $3.40 Breakeven $30.90 Implied vol 75.7% Delta 0.674 ≈67% ITM Gamma 0.061 Theta -0.043 Vega 0.03 Open interest 3 Model this call Put · $27.5 Last $1.06 Breakeven $26.44 Implied vol 68.4% Delta -0.317 ≈32% ITM Gamma 0.067 Theta -0.036 Vega 0.027 Open interest 10 Model this put
Underlying $29.41
33	14	53%	0.484	$1.70		$3.03	-0.512	58.1%	5	5
Call · $30 Last $1.70 Breakeven $31.70 Implied vol 53% Delta 0.484 ≈48% ITM Gamma 0.096 Theta -0.033 Vega 0.032 Open interest 33 Model this call Put · $30 In the money Last $3.03 Breakeven $26.97 Implied vol 58.1% Delta -0.512 ≈51% ITM Gamma 0.088 Theta -0.033 Vega 0.032 Open interest 5 Model this put
17	12	54.5%	0.279	$1.00		$3.84	-0.719	55.8%	1	1
Call · $32.5 Last $1.00 Breakeven $33.50 Implied vol 54.5% Delta 0.279 ≈28% ITM Gamma 0.079 Theta -0.028 Vega 0.029 Open interest 17 Model this call Put · $32.5 In the money Last $3.84 Breakeven $28.66 Implied vol 55.8% Delta -0.719 ≈72% ITM Gamma 0.078 Theta -0.027 Vega 0.029 Open interest 1 Model this put
65	1	66.1%	0.193	$0.55		—	—	—	—	0
Call · $35 Last $0.55 Breakeven $35.55 Implied vol 66.1% Delta 0.193 ≈19% ITM Gamma 0.052 Theta -0.028 Vega 0.023 Open interest 65 Model this call Put · $35 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
4	2	77.2%	0.146	$0.23		—	—	—	—	0
Call · $37.5 Last $0.23 Breakeven $37.73 Implied vol 77.2% Delta 0.146 ≈15% ITM Gamma 0.038 Theta -0.027 Vega 0.016 Open interest 4 Model this call Put · $37.5 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
2	—	93.1%	0.138	—		—	—	—	—	0
Call · $40 Last — Breakeven — Implied vol 93.1% Delta 0.138 ≈14% ITM Gamma 0.03 Theta -0.031 Vega 0.016 Open interest 2 Model this call Put · $40 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	102.1%	0.117	—		—	—	—	—	0
Call · $42.5 Last — Breakeven — Implied vol 102.1% Delta 0.117 ≈12% ITM Gamma 0.024 Theta -0.03 Vega 0.017 Open interest 0 Model this call Put · $42.5 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	115%	0.113	—		—	—	—	—	0
Call · $45 Last — Breakeven — Implied vol 115% Delta 0.113 ≈11% ITM Gamma 0.021 Theta -0.033 Vega 0.017 Open interest 0 Model this call Put · $45 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	127.2%	0.11	—		—	—	—	—	0
Call · $47.5 Last — Breakeven — Implied vol 127.2% Delta 0.11 ≈11% ITM Gamma 0.019 Theta -0.036 Vega 0.018 Open interest 0 Model this call Put · $47.5 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 1227654 CUSIP 20451N101 13F (30d) 34 filings 34 filers Visit website Investor relations