KRC · Kilroy Realty Corp

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$37.76 -0.89 (-2.30%)

Market Cap

$4.49B

116.28M

Options Chain

15-min delayed Underlying $37.76 · today Options Calculator

Positioning

Aug 21, 2026 · 15 days to expiry · 34 contracts

Put / call OI

0.03

Call-heavy positioning

Open interest

6,917

contracts outstanding

Volume

1,786

traded today

Max pain

$30.00

$7.76 below spot

ATM implied vol

23.3%

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 15d Sep 18 43d Nov 20 106d Jan 15 162d Feb 19 197d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	5	335.7%	0.954	$23.48		—	—	—	—	0
Call · $15 In the money Last $23.48 Breakeven $38.48 Implied vol 335.7% Delta 0.954 ≈95% ITM Gamma 0.004 Theta -0.078 Vega 0.008 Open interest 0 Model this call Put · $15 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	4	325.7%	0.932	$19.46		$0.30	-0.023	214.9%	4	4
Call · $17.5 In the money Last $19.46 Breakeven $36.96 Implied vol 325.7% Delta 0.932 ≈93% ITM Gamma 0.005 Theta -0.106 Vega 0.009 Open interest 0 Model this call Put · $17.5 Last $0.30 Breakeven $17.20 Implied vol 214.9% Delta -0.023 ≈2% ITM Gamma 0.003 Theta -0.03 Vega 0.005 Open interest 4 Model this put
0	5	243.3%	0.936	$17.71		$0.05	-0.109	361.5%	1	4
Call · $20 In the money Last $17.71 Breakeven $37.71 Implied vol 243.3% Delta 0.936 ≈94% ITM Gamma 0.007 Theta -0.074 Vega 0.01 Open interest 0 Model this call Put · $20 Last $0.05 Breakeven $19.95 Implied vol 361.5% Delta -0.109 ≈11% ITM Gamma 0.007 Theta -0.173 Vega 0.014 Open interest 4 Model this put
0	2	206.1%	0.925	$14.47		$0.40	-0.059	184.7%	6	16
Call · $22.5 In the money Last $14.47 Breakeven $36.97 Implied vol 206.1% Delta 0.925 ≈92% ITM Gamma 0.009 Theta -0.071 Vega 0.01 Open interest 0 Model this call Put · $22.5 Last $0.40 Breakeven $22.10 Implied vol 184.7% Delta -0.059 ≈6% ITM Gamma 0.008 Theta -0.055 Vega 0.01 Open interest 16 Model this put
0	5	198.4%	0.889	$9.47		$0.30	-0.077	159.9%	1	63
Call · $25 In the money Last $9.47 Breakeven $34.47 Implied vol 198.4% Delta 0.889 ≈89% ITM Gamma 0.013 Theta -0.093 Vega 0.016 Open interest 0 Model this call Put · $25 Last $0.30 Breakeven $24.70 Implied vol 159.9% Delta -0.077 ≈8% ITM Gamma 0.012 Theta -0.059 Vega 0.011 Open interest 63 Model this put
0	7	163.3%	0.867	$10.91		$0.08	-0.034	89.7%	1	33
Call · $27.5 In the money Last $10.91 Breakeven $38.41 Implied vol 163.3% Delta 0.867 ≈87% ITM Gamma 0.017 Theta -0.087 Vega 0.017 Open interest 0 Model this call Put · $27.5 Last $0.08 Breakeven $27.42 Implied vol 89.7% Delta -0.034 ≈3% ITM Gamma 0.011 Theta -0.017 Vega 0.007 Open interest 33 Model this put
206	4	65.9%	0.964	$9.30		$0.10	-0.056	75.5%	3	52
Call · $30 In the money Last $9.30 Breakeven $39.30 Implied vol 65.9% Delta 0.964 ≈96% ITM Gamma 0.017 Theta -0.011 Vega 0.007 Open interest 206 Model this call Put · $30 Last $0.10 Breakeven $29.90 Implied vol 75.5% Delta -0.056 ≈6% ITM Gamma 0.02 Theta -0.022 Vega 0.007 Open interest 52 Model this put
32	5	37.2%	0.984	$5.10		$0.05	-0.138	72.3%	1	5
Call · $32.5 In the money Last $5.10 Breakeven $37.60 Implied vol 37.2% Delta 0.984 ≈98% ITM Gamma 0.02 Theta -0.003 Vega 0.003 Open interest 32 Model this call Put · $32.5 Last $0.05 Breakeven $32.45 Implied vol 72.3% Delta -0.138 ≈14% ITM Gamma 0.04 Theta -0.041 Vega 0.019 Open interest 5 Model this put
875	2	39.6%	0.834	$3.40		$0.20	-0.215	50.3%	1	8
Call · $35 In the money Last $3.40 Breakeven $38.40 Implied vol 39.6% Delta 0.834 ≈83% ITM Gamma 0.084 Theta -0.023 Vega 0.02 Open interest 875 Model this call Put · $35 Last $0.20 Breakeven $34.80 Implied vol 50.3% Delta -0.215 ≈22% ITM Gamma 0.077 Theta -0.039 Vega 0.02 Open interest 8 Model this put
12	4	26.4%	0.553	$2.70		$1.30	-0.437	20.2%	1	5
Call · $37.5 In the money Last $2.70 Breakeven $40.20 Implied vol 26.4% Delta 0.553 ≈55% ITM Gamma 0.197 Theta -0.026 Vega 0.03 Open interest 12 Model this call Put · $37.5 Last $1.30 Breakeven $36.20 Implied vol 20.2% Delta -0.437 ≈44% ITM Gamma 0.254 Theta -0.021 Vega 0.03 Open interest 5 Model this put
Underlying $37.76
1.1k	5	29.2%	0.169	$0.63		$1.50	—	—	1	24
Call · $40 Last $0.63 Breakeven $40.63 Implied vol 29.2% Delta 0.169 ≈17% ITM Gamma 0.113 Theta -0.018 Vega 0.021 Open interest 1.1k Model this call Put · $40 In the money Last $1.50 Breakeven $38.50 Implied vol — Delta — Gamma — Theta — Vega — Open interest 24 Model this put
2k	1.7k	59.6%	0.178	$0.40		$11.65	—	—	2	0
Call · $42.5 Last $0.40 Breakeven $42.90 Implied vol 59.6% Delta 0.178 ≈18% ITM Gamma 0.057 Theta -0.039 Vega 0.021 Open interest 2k Model this call Put · $42.5 In the money Last $11.65 Breakeven $30.85 Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
2.5k	1	77.9%	0.147	$0.20		—	—	—	—	0
Call · $45 Last $0.20 Breakeven $45.20 Implied vol 77.9% Delta 0.147 ≈15% ITM Gamma 0.039 Theta -0.046 Vega 0.015 Open interest 2.5k Model this call Put · $45 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	92.2%	0.128	—		—	—	—	—	0
Call · $47.5 Last — Breakeven — Implied vol 92.2% Delta 0.128 ≈13% ITM Gamma 0.03 Theta -0.049 Vega 0.015 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
6	8	—	—	$0.10		—	—	—	—	0
Call · $50 Last $0.10 Breakeven $50.10 Implied vol — Delta — Gamma — Theta — Vega — Open interest 6 Model this call Put · $50 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	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 — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
11	2	—	—	$0.11		—	—	—	—	0
Call · $60 Last $0.11 Breakeven $60.11 Implied vol — Delta — Gamma — Theta — Vega — Open interest 11 Model this call Put · $60 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 1025996 CUSIP 49427F108 13F (30d) 137 filings 137 filers Visit website Investor relations