GRAL · GRAIL, Inc.

Track GRAL — free Ask ALVIS about GRAL

$68.56 -2.58 (-3.63%) At close · Jul 31

Market Cap

$2.94B

42.92M

Options Chain

15-min delayed Underlying $68.56 · at close Jul 31, 2026 Options Calculator

Positioning

Aug 21, 2026 · 20 days to expiry · 34 contracts

Put / call OI

1.46

Put-heavy positioning

Open interest

3,239

contracts outstanding

Volume

traded today

Max pain

$70.00

$1.44 above spot

ATM implied vol

99.8%

market's expected move

Open interest by strike

Calls Puts

100

105

110

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 20d Sep 18 48d Oct 16 76d Jan 15 167d Jan 21 538d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	252.4%	0.952	—		$0.43	-0.03	211.4%	2	2
Call · $30 In the money Last — Breakeven — Implied vol 252.4% Delta 0.952 ≈95% ITM Gamma 0.002 Theta -0.101 Vega 0.018 Open interest 0 Model this call Put · $30 Last $0.43 Breakeven $29.57 Implied vol 211.4% Delta -0.03 ≈3% ITM Gamma 0.002 Theta -0.056 Vega 0.01 Open interest 2 Model this put
0	—	215.2%	0.94	—		—	-0.033	171.7%	—	0
Call · $35 In the money Last — Breakeven — Implied vol 215.2% Delta 0.94 ≈94% ITM Gamma 0.004 Theta -0.104 Vega 0.019 Open interest 0 Model this call Put · $35 Last — Breakeven — Implied vol 171.7% Delta -0.033 ≈3% ITM Gamma 0.003 Theta -0.05 Vega 0.011 Open interest 0 Model this put
0	—	197.6%	0.915	—		$0.25	-0.022	121.3%	3	55
Call · $40 In the money Last — Breakeven — Implied vol 197.6% Delta 0.915 ≈91% ITM Gamma 0.005 Theta -0.127 Vega 0.021 Open interest 0 Model this call Put · $40 Last $0.25 Breakeven $39.75 Implied vol 121.3% Delta -0.022 ≈2% ITM Gamma 0.003 Theta -0.025 Vega 0.012 Open interest 55 Model this put
2	2	164.7%	0.894	$30.48		$0.50	-0.053	118.5%	5	16
Call · $45 In the money Last $30.48 Breakeven $75.48 Implied vol 164.7% Delta 0.894 ≈89% ITM Gamma 0.007 Theta -0.123 Vega 0.033 Open interest 2 Model this call Put · $45 Last $0.50 Breakeven $44.50 Implied vol 118.5% Delta -0.053 ≈5% ITM Gamma 0.006 Theta -0.051 Vega 0.022 Open interest 16 Model this put
1	1	144%	0.854	$23.34		$0.45	-0.126	128.7%	5	302
Call · $50 In the money Last $23.34 Breakeven $73.34 Implied vol 144% Delta 0.854 ≈85% ITM Gamma 0.01 Theta -0.134 Vega 0.035 Open interest 1 Model this call Put · $50 Last $0.45 Breakeven $49.55 Implied vol 128.7% Delta -0.126 ≈13% ITM Gamma 0.01 Theta -0.105 Vega 0.035 Open interest 302 Model this put
24	1	127.7%	0.798	$14.90		$1.31	-0.125	83%	2	1.1k
Call · $55 In the money Last $14.90 Breakeven $69.90 Implied vol 127.7% Delta 0.798 ≈80% ITM Gamma 0.014 Theta -0.147 Vega 0.049 Open interest 24 Model this call Put · $55 Last $1.31 Breakeven $53.69 Implied vol 83% Delta -0.125 ≈12% ITM Gamma 0.016 Theta -0.067 Vega 0.037 Open interest 1.1k Model this put
25	1	109.6%	0.721	$11.38		$2.30	-0.213	70.6%	2	101
Call · $60 In the money Last $11.38 Breakeven $71.38 Implied vol 109.6% Delta 0.721 ≈72% ITM Gamma 0.02 Theta -0.15 Vega 0.051 Open interest 25 Model this call Put · $60 Last $2.30 Breakeven $57.70 Implied vol 70.6% Delta -0.213 ≈21% ITM Gamma 0.026 Theta -0.08 Vega 0.051 Open interest 101 Model this put
11	7	114.4%	0.608	$7.78		$3.75	-0.387	85.5%	3	51
Call · $65 In the money Last $7.78 Breakeven $72.78 Implied vol 114.4% Delta 0.608 ≈61% ITM Gamma 0.021 Theta -0.177 Vega 0.061 Open interest 11 Model this call Put · $65 Last $3.75 Breakeven $61.25 Implied vol 85.5% Delta -0.387 ≈39% ITM Gamma 0.029 Theta -0.127 Vega 0.061 Open interest 51 Model this put
Underlying $68.56
144	2	110.9%	0.497	$5.46		$6.00	-0.529	88.7%	3	141
Call · $70 Last $5.46 Breakeven $75.46 Implied vol 110.9% Delta 0.497 ≈50% ITM Gamma 0.023 Theta -0.178 Vega 0.063 Open interest 144 Model this call Put · $70 In the money Last $6.00 Breakeven $64.00 Implied vol 88.7% Delta -0.529 ≈53% ITM Gamma 0.029 Theta -0.136 Vega 0.064 Open interest 141 Model this put
415	2	99.7%	0.37	$3.78		$13.50	-0.683	79.2%	4	81
Call · $75 Last $3.78 Breakeven $78.78 Implied vol 99.7% Delta 0.37 ≈37% ITM Gamma 0.024 Theta -0.151 Vega 0.058 Open interest 415 Model this call Put · $75 In the money Last $13.50 Breakeven $61.50 Implied vol 79.2% Delta -0.683 ≈68% ITM Gamma 0.029 Theta -0.107 Vega 0.058 Open interest 81 Model this put
202	2	105.2%	0.284	$2.20		$11.90	-0.894	56.4%	1	10
Call · $80 Last $2.20 Breakeven $82.20 Implied vol 105.2% Delta 0.284 ≈28% ITM Gamma 0.021 Theta -0.144 Vega 0.06 Open interest 202 Model this call Put · $80 In the money Last $11.90 Breakeven $68.10 Implied vol 56.4% Delta -0.894 ≈89% ITM Gamma 0.022 Theta -0.036 Vega 0.03 Open interest 10 Model this put
106	6	102.1%	0.201	$1.60		$16.40	—	—	10	23
Call · $85 Last $1.60 Breakeven $86.60 Implied vol 102.1% Delta 0.201 ≈20% ITM Gamma 0.017 Theta -0.114 Vega 0.047 Open interest 106 Model this call Put · $85 In the money Last $16.40 Breakeven $68.60 Implied vol — Delta — Gamma — Theta — Vega — Open interest 23 Model this put
150	1	87.4%	0.095	$0.56		$19.65	—	—	10	10
Call · $90 Last $0.56 Breakeven $90.56 Implied vol 87.4% Delta 0.095 ≈9% ITM Gamma 0.012 Theta -0.059 Vega 0.033 Open interest 150 Model this call Put · $90 In the money Last $19.65 Breakeven $70.35 Implied vol — Delta — Gamma — Theta — Vega — Open interest 10 Model this put
22	1	127.1%	0.158	$1.10		$31.62	—	—	1	11
Call · $95 Last $1.10 Breakeven $96.10 Implied vol 127.1% Delta 0.158 ≈16% ITM Gamma 0.012 Theta -0.123 Vega 0.033 Open interest 22 Model this call Put · $95 In the money Last $31.62 Breakeven $63.38 Implied vol — Delta — Gamma — Theta — Vega — Open interest 11 Model this put
174	1	132.5%	0.135	$0.35		—	—	—	—	0
Call · $100 Last $0.35 Breakeven $100.35 Implied vol 132.5% Delta 0.135 ≈13% ITM Gamma 0.01 Theta -0.114 Vega 0.034 Open interest 174 Model this call Put · $100 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
8	2	103.2%	0.041	$0.10		—	—	—	—	0
Call · $105 Last $0.10 Breakeven $105.10 Implied vol 103.2% Delta 0.041 ≈4% ITM Gamma 0.005 Theta -0.036 Vega 0.02 Open interest 8 Model this call Put · $105 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
32	8	99%	0.022	$0.10		—	—	—	—	0
Call · $110 Last $0.10 Breakeven $110.10 Implied vol 99% Delta 0.022 ≈2% ITM Gamma 0.003 Theta -0.021 Vega 0.01 Open interest 32 Model this call Put · $110 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 1699031 CUSIP 384747101 13F (30d) 113 filings 106 filers Visit website Investor relations