KOD · Kodiak Sciences Inc.

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$40.04 -0.26 (-0.63%) At close · Jul 29

Market Cap

$2.52B

62.58M

Options Chain

15-min delayed Underlying $40.04 · today Options Calculator

Positioning

Aug 21, 2026 · 22 days to expiry · 46 contracts

Put / call OI

0.12

Call-heavy positioning

Open interest

4,420

contracts outstanding

Volume

211

traded today

Max pain

$37.00

$3.04 below spot

ATM implied vol

102.9%

market's expected move

Open interest by strike

Calls Puts

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 22d Sep 18 50d Oct 16 78d Dec 18 141d Jan 15 169d Mar 19 232d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
3	3	258.4%	0.915	$19.10		—	-0.046	187.7%	—	0
Call · $20 In the money Last $19.10 Breakeven $39.10 Implied vol 258.4% Delta 0.915 ≈92% ITM Gamma 0.006 Theta -0.089 Vega 0.018 Open interest 3 Model this call Put · $20 Last — Breakeven — Implied vol 187.7% Delta -0.046 ≈5% ITM Gamma 0.005 Theta -0.039 Vega 0.012 Open interest 0 Model this put
0	—	208.2%	0.87	—		$1.87	-0.064	133.3%	5	5
Call · $25 In the money Last — Breakeven — Implied vol 208.2% Delta 0.87 ≈87% ITM Gamma 0.01 Theta -0.097 Vega 0.02 Open interest 0 Model this call Put · $25 Last $1.87 Breakeven $23.13 Implied vol 133.3% Delta -0.064 ≈6% ITM Gamma 0.01 Theta -0.035 Vega 0.014 Open interest 5 Model this put
0	—	207.8%	0.855	—		$0.48	-0.068	123.8%	2	1
Call · $26 In the money Last — Breakeven — Implied vol 207.8% Delta 0.855 ≈85% ITM Gamma 0.011 Theta -0.105 Vega 0.02 Open interest 0 Model this call Put · $26 Last $0.48 Breakeven $25.52 Implied vol 123.8% Delta -0.068 ≈7% ITM Gamma 0.011 Theta -0.035 Vega 0.014 Open interest 1 Model this put
0	3	195.4%	0.846	$15.00		$0.85	-0.078	118.2%	4	0
Call · $27 In the money Last $15.00 Breakeven $42.00 Implied vol 195.4% Delta 0.846 ≈85% ITM Gamma 0.013 Theta -0.103 Vega 0.021 Open interest 0 Model this call Put · $27 Last $0.85 Breakeven $26.15 Implied vol 118.2% Delta -0.078 ≈8% ITM Gamma 0.013 Theta -0.037 Vega 0.014 Open interest 0 Model this put
0	—	197.9%	0.825	—		$0.50	-0.064	97.2%	5	6
Call · $28 In the money Last — Breakeven — Implied vol 197.9% Delta 0.825 ≈83% ITM Gamma 0.013 Theta -0.113 Vega 0.028 Open interest 0 Model this call Put · $28 Last $0.50 Breakeven $27.50 Implied vol 97.2% Delta -0.064 ≈6% ITM Gamma 0.013 Theta -0.026 Vega 0.014 Open interest 6 Model this put
0	—	184.4%	0.814	—		$0.66	-0.086	97.4%	1	1
Call · $29 In the money Last — Breakeven — Implied vol 184.4% Delta 0.814 ≈81% ITM Gamma 0.015 Theta -0.109 Vega 0.028 Open interest 0 Model this call Put · $29 Last $0.66 Breakeven $28.34 Implied vol 97.4% Delta -0.086 ≈9% ITM Gamma 0.016 Theta -0.033 Vega 0.015 Open interest 1 Model this put
2	2	178.3%	0.796	$13.95		$0.55	-0.11	98.7%	1	21
Call · $30 In the money Last $13.95 Breakeven $43.95 Implied vol 178.3% Delta 0.796 ≈80% ITM Gamma 0.016 Theta -0.111 Vega 0.029 Open interest 2 Model this call Put · $30 Last $0.55 Breakeven $29.45 Implied vol 98.7% Delta -0.11 ≈11% ITM Gamma 0.02 Theta -0.04 Vega 0.022 Open interest 21 Model this put
0	—	163.9%	0.783	—		$1.35	-0.129	93.7%	1	1
Call · $31 In the money Last — Breakeven — Implied vol 163.9% Delta 0.783 ≈78% ITM Gamma 0.018 Theta -0.106 Vega 0.03 Open interest 0 Model this call Put · $31 Last $1.35 Breakeven $29.65 Implied vol 93.7% Delta -0.129 ≈13% ITM Gamma 0.023 Theta -0.042 Vega 0.023 Open interest 1 Model this put
0	—	153.4%	0.766	—		$1.22	-0.16	93.3%	2	3
Call · $32 In the money Last — Breakeven — Implied vol 153.4% Delta 0.766 ≈77% ITM Gamma 0.02 Theta -0.104 Vega 0.03 Open interest 0 Model this call Put · $32 Last $1.22 Breakeven $30.78 Implied vol 93.3% Delta -0.16 ≈16% ITM Gamma 0.027 Theta -0.048 Vega 0.023 Open interest 3 Model this put
0	—	149.7%	0.743	—		$1.43	-0.191	92.9%	2	2
Call · $33 In the money Last — Breakeven — Implied vol 149.7% Delta 0.743 ≈74% ITM Gamma 0.022 Theta -0.107 Vega 0.031 Open interest 0 Model this call Put · $33 Last $1.43 Breakeven $31.57 Implied vol 92.9% Delta -0.191 ≈19% ITM Gamma 0.03 Theta -0.055 Vega 0.024 Open interest 2 Model this put
0	—	136.6%	0.724	—		—	-0.225	89.8%	—	0
Call · $34 In the money Last — Breakeven — Implied vol 136.6% Delta 0.724 ≈72% ITM Gamma 0.025 Theta -0.101 Vega 0.031 Open interest 0 Model this call Put · $34 Last — Breakeven — Implied vol 89.8% Delta -0.225 ≈22% ITM Gamma 0.034 Theta -0.057 Vega 0.031 Open interest 0 Model this put
10	12	133.5%	0.697	$10.88		$2.00	-0.258	85%	5	51
Call · $35 In the money Last $10.88 Breakeven $45.88 Implied vol 133.5% Delta 0.697 ≈70% ITM Gamma 0.027 Theta -0.104 Vega 0.036 Open interest 10 Model this call Put · $35 Last $2.00 Breakeven $33.00 Implied vol 85% Delta -0.258 ≈26% ITM Gamma 0.039 Theta -0.058 Vega 0.032 Open interest 51 Model this put
0	—	131%	0.667	—		$2.30	-0.318	101.5%	2	108
Call · $36 In the money Last — Breakeven — Implied vol 131% Delta 0.667 ≈67% ITM Gamma 0.028 Theta -0.105 Vega 0.037 Open interest 0 Model this call Put · $36 Last $2.30 Breakeven $33.70 Implied vol 101.5% Delta -0.318 ≈32% ITM Gamma 0.036 Theta -0.078 Vega 0.037 Open interest 108 Model this put
16	16	123.1%	0.637	$4.87		$2.45	-0.359	104.2%	120	271
Call · $37 In the money Last $4.87 Breakeven $41.87 Implied vol 123.1% Delta 0.637 ≈64% ITM Gamma 0.031 Theta -0.102 Vega 0.037 Open interest 16 Model this call Put · $37 Last $2.45 Breakeven $34.55 Implied vol 104.2% Delta -0.359 ≈36% ITM Gamma 0.037 Theta -0.083 Vega 0.037 Open interest 271 Model this put
0	—	128.8%	0.605	—		—	-0.398	98.3%	—	0
Call · $38 In the money Last — Breakeven — Implied vol 128.8% Delta 0.605 ≈60% ITM Gamma 0.031 Theta -0.109 Vega 0.038 Open interest 0 Model this call Put · $38 Last — Breakeven — Implied vol 98.3% Delta -0.398 ≈40% ITM Gamma 0.04 Theta -0.08 Vega 0.038 Open interest 0 Model this put
1	1	127.7%	0.573	$5.60		$3.20	-0.442	92.5%	2	2
Call · $39 In the money Last $5.60 Breakeven $44.60 Implied vol 127.7% Delta 0.573 ≈57% ITM Gamma 0.032 Theta -0.111 Vega 0.038 Open interest 1 Model this call Put · $39 Last $3.20 Breakeven $35.80 Implied vol 92.5% Delta -0.442 ≈44% ITM Gamma 0.044 Theta -0.078 Vega 0.039 Open interest 2 Model this put
500	1	122.5%	0.539	$3.40		$4.00	-0.493	83.3%	1	2
Call · $40 In the money Last $3.40 Breakeven $43.40 Implied vol 122.5% Delta 0.539 ≈54% ITM Gamma 0.033 Theta -0.107 Vega 0.039 Open interest 500 Model this call Put · $40 Last $4.00 Breakeven $36.00 Implied vol 83.3% Delta -0.493 ≈49% ITM Gamma 0.049 Theta -0.07 Vega 0.039 Open interest 2 Model this put
Underlying $40.04
11	1	121.1%	0.506	$4.85		$4.85	-0.543	81.2%	2	2
Call · $41 Last $4.85 Breakeven $45.85 Implied vol 121.1% Delta 0.506 ≈51% ITM Gamma 0.034 Theta -0.106 Vega 0.039 Open interest 11 Model this call Put · $41 In the money Last $4.85 Breakeven $36.15 Implied vol 81.2% Delta -0.543 ≈54% ITM Gamma 0.05 Theta -0.067 Vega 0.04 Open interest 2 Model this put
5	1	117.9%	0.47	$4.40		$4.25	-0.572	91%	2	2
Call · $42 Last $4.40 Breakeven $46.40 Implied vol 117.9% Delta 0.47 ≈47% ITM Gamma 0.035 Theta -0.103 Vega 0.04 Open interest 5 Model this call Put · $42 In the money Last $4.25 Breakeven $37.75 Implied vol 91% Delta -0.572 ≈57% ITM Gamma 0.045 Theta -0.075 Vega 0.04 Open interest 2 Model this put
2.8k	7	113%	0.369	$2.15		—	-0.732	77.3%	—	0
Call · $45 Last $2.15 Breakeven $47.15 Implied vol 113% Delta 0.369 ≈37% ITM Gamma 0.034 Theta -0.093 Vega 0.036 Open interest 2.8k Model this call Put · $45 In the money Last — Breakeven — Implied vol 77.3% Delta -0.732 ≈73% ITM Gamma 0.045 Theta -0.053 Vega 0.036 Open interest 0 Model this put
502	3	104%	0.215	$1.80		—	—	—	—	0
Call · $50 Last $1.80 Breakeven $51.80 Implied vol 104% Delta 0.215 ≈21% ITM Gamma 0.029 Theta -0.066 Vega 0.029 Open interest 502 Model this call Put · $50 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
66	3	112.7%	0.146	$1.00		—	—	—	—	0
Call · $55 Last $1.00 Breakeven $56.00 Implied vol 112.7% Delta 0.146 ≈15% ITM Gamma 0.021 Theta -0.056 Vega 0.021 Open interest 66 Model this call Put · $55 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
5	1	171.1%	0.22	$0.56		—	—	—	—	0
Call · $60 Last $0.56 Breakeven $60.56 Implied vol 171.1% Delta 0.22 ≈22% ITM Gamma 0.018 Theta -0.11 Vega 0.032 Open interest 5 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 1468748 CUSIP 50015M109 13F (30d) 23 filings 23 filers Visit website