APAM · Artisan Partners Asset Management Inc.

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$40.35 -0.53 (-1.30%) At close · Jul 29

Market Cap

$3.27B

81.06M

Options Chain

15-min delayed Underlying $40.35 · today Options Calculator

Positioning

Aug 21, 2026 · 22 days to expiry · 18 contracts

Put / call OI

0.16

Call-heavy positioning

Open interest

4,375

contracts outstanding

Volume

996

traded today

Max pain

$35.00

$5.35 below spot

ATM implied vol

23.2%

market's expected move

Open interest by strike

Calls Puts

22.5

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 22d Sep 18 50d Dec 18 141d Mar 19 232d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	—	—	—		$0.25	—	—	1	1
Call · $20 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $20 Last $0.25 Breakeven $19.75 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $22.5 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $22.5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $25 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $25 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		$0.35	-0.074	87.3%	6	7
Call · $30 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $30 Last $0.35 Breakeven $29.65 Implied vol 87.3% Delta -0.074 ≈7% ITM Gamma 0.016 Theta -0.028 Vega 0.016 Open interest 7 Model this put
53	100	45.3%	0.914	$3.79		$0.10	-0.099	44.5%	3	592
Call · $35 In the money Last $3.79 Breakeven $38.79 Implied vol 45.3% Delta 0.914 ≈91% ITM Gamma 0.044 Theta -0.011 Vega 0.015 Open interest 53 Model this call Put · $35 Last $0.10 Breakeven $34.90 Implied vol 44.5% Delta -0.099 ≈10% ITM Gamma 0.039 Theta -0.018 Vega 0.018 Open interest 592 Model this put
783	117	22.6%	0.548	$2.00		$1.35	-0.462	23.9%	4	4
Call · $40 In the money Last $2.00 Breakeven $42.00 Implied vol 22.6% Delta 0.548 ≈55% ITM Gamma 0.184 Theta -0.016 Vega 0.04 Open interest 783 Model this call Put · $40 Last $1.35 Breakeven $38.65 Implied vol 23.9% Delta -0.462 ≈46% ITM Gamma 0.164 Theta -0.025 Vega 0.04 Open interest 4 Model this put
Underlying $40.35
2.9k	765	30.8%	0.073	$0.10		—	-0.784	52.4%	—	0
Call · $45 Last $0.10 Breakeven $45.10 Implied vol 30.8% Delta 0.073 ≈7% ITM Gamma 0.045 Theta -0.009 Vega 0.017 Open interest 2.9k Model this call Put · $45 In the money Last — Breakeven — Implied vol 52.4% Delta -0.784 ≈78% ITM Gamma 0.055 Theta -0.04 Vega 0.027 Open interest 0 Model this put
0	—	—	—	—		—	-0.853	75.6%	—	0
Call · $50 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $50 In the money Last — Breakeven — Implied vol 75.6% Delta -0.853 ≈85% ITM Gamma 0.029 Theta -0.044 Vega 0.019 Open interest 0 Model this put
0	—	—	—	—		—	-0.861	101.3%	—	0
Call · $55 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $55 In the money Last — Breakeven — Implied vol 101.3% Delta -0.861 ≈86% ITM Gamma 0.021 Theta -0.054 Vega 0.02 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 1517302 CUSIP 04316A108 13F (30d) 84 filings 84 filers Visit website Investor relations