RIGL · Rigel Pharmaceuticals Inc

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$39.16 +0.66 (+1.71%)

Market Cap

$722.88M

18.50M

Options Chain

15-min delayed Underlying $39.16 · today Options Calculator

Positioning

Aug 21, 2026 · 23 days to expiry · 56 contracts

Put / call OI

0.79

Balanced positioning

Open interest

874

contracts outstanding

Volume

264

traded today

Max pain

$35.00

$4.16 below spot

ATM implied vol

81.8%

market's expected move

Open interest by strike

Calls Puts

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 23d Sep 18 51d Dec 18 142d Mar 19 233d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	5	191.5%	0.948	$21.67		$0.15	-0.076	233.4%	2	0
Call · $20 In the money Last $21.67 Breakeven $41.67 Implied vol 191.5% Delta 0.948 ≈95% ITM Gamma 0.006 Theta -0.045 Vega 0.012 Open interest 0 Model this call Put · $20 Last $0.15 Breakeven $19.85 Implied vol 233.4% Delta -0.076 ≈8% ITM Gamma 0.006 Theta -0.071 Vega 0.012 Open interest 0 Model this put
24	5	160.6%	0.904	$16.82		$0.14	-0.15	241.5%	1	4
Call · $25 In the money Last $16.82 Breakeven $41.82 Implied vol 160.6% Delta 0.904 ≈90% ITM Gamma 0.011 Theta -0.061 Vega 0.02 Open interest 24 Model this call Put · $25 Last $0.14 Breakeven $24.86 Implied vol 241.5% Delta -0.15 ≈15% ITM Gamma 0.01 Theta -0.121 Vega 0.026 Open interest 4 Model this put
0	—	146.5%	0.901	—		—	-0.071	120.9%	—	0
Call · $26 In the money Last — Breakeven — Implied vol 146.5% Delta 0.901 ≈90% ITM Gamma 0.012 Theta -0.057 Vega 0.021 Open interest 0 Model this call Put · $26 Last — Breakeven — Implied vol 120.9% Delta -0.071 ≈7% ITM Gamma 0.012 Theta -0.034 Vega 0.014 Open interest 0 Model this put
0	—	135.4%	0.894	—		—	-0.076	111.8%	—	0
Call · $27 In the money Last — Breakeven — Implied vol 135.4% Delta 0.894 ≈89% ITM Gamma 0.014 Theta -0.056 Vega 0.021 Open interest 0 Model this call Put · $27 Last — Breakeven — Implied vol 111.8% Delta -0.076 ≈8% ITM Gamma 0.013 Theta -0.034 Vega 0.014 Open interest 0 Model this put
0	—	131.7%	0.876	—		$0.90	-0.07	96%	2	2
Call · $28 In the money Last — Breakeven — Implied vol 131.7% Delta 0.876 ≈88% ITM Gamma 0.016 Theta -0.06 Vega 0.021 Open interest 0 Model this call Put · $28 Last $0.90 Breakeven $27.10 Implied vol 96% Delta -0.07 ≈7% ITM Gamma 0.014 Theta -0.027 Vega 0.014 Open interest 2 Model this put
0	—	128.2%	0.856	—		$1.05	-0.095	98%	2	2
Call · $29 In the money Last — Breakeven — Implied vol 128.2% Delta 0.856 ≈86% ITM Gamma 0.018 Theta -0.064 Vega 0.022 Open interest 0 Model this call Put · $29 Last $1.05 Breakeven $27.95 Implied vol 98% Delta -0.095 ≈9% ITM Gamma 0.018 Theta -0.035 Vega 0.015 Open interest 2 Model this put
2	2	115.7%	0.848	$11.39		$1.00	-0.124	99.7%	12	125
Call · $30 In the money Last $11.39 Breakeven $41.39 Implied vol 115.7% Delta 0.848 ≈85% ITM Gamma 0.021 Theta -0.06 Vega 0.022 Open interest 2 Model this call Put · $30 Last $1.00 Breakeven $29.00 Implied vol 99.7% Delta -0.124 ≈12% ITM Gamma 0.021 Theta -0.043 Vega 0.022 Open interest 125 Model this put
0	—	117%	0.82	—		$0.80	-0.106	78.6%	2	52
Call · $31 In the money Last — Breakeven — Implied vol 117% Delta 0.82 ≈82% ITM Gamma 0.023 Theta -0.068 Vega 0.023 Open interest 0 Model this call Put · $31 Last $0.80 Breakeven $30.20 Implied vol 78.6% Delta -0.106 ≈11% ITM Gamma 0.024 Theta -0.031 Vega 0.015 Open interest 52 Model this put
6	6	111.5%	0.797	$4.54		—	-0.158	85.6%	—	0
Call · $32 In the money Last $4.54 Breakeven $36.54 Implied vol 111.5% Delta 0.797 ≈80% ITM Gamma 0.026 Theta -0.07 Vega 0.03 Open interest 6 Model this call Put · $32 Last — Breakeven — Implied vol 85.6% Delta -0.158 ≈16% ITM Gamma 0.029 Theta -0.043 Vega 0.023 Open interest 0 Model this put
1	1	102%	0.777	$10.46		—	-0.208	92.9%	—	0
Call · $33 In the money Last $10.46 Breakeven $43.46 Implied vol 102% Delta 0.777 ≈78% ITM Gamma 0.03 Theta -0.067 Vega 0.031 Open interest 1 Model this call Put · $33 Last — Breakeven — Implied vol 92.9% Delta -0.208 ≈21% ITM Gamma 0.032 Theta -0.056 Vega 0.031 Open interest 0 Model this put
3	3	99.2%	0.743	$6.32		$1.15	-0.215	75.9%	12	99
Call · $34 In the money Last $6.32 Breakeven $40.32 Implied vol 99.2% Delta 0.743 ≈74% ITM Gamma 0.034 Theta -0.07 Vega 0.031 Open interest 3 Model this call Put · $34 Last $1.15 Breakeven $32.85 Implied vol 75.9% Delta -0.215 ≈21% ITM Gamma 0.04 Theta -0.047 Vega 0.031 Open interest 99 Model this put
10	1	98.1%	0.706	$5.50		$2.71	-0.293	96.6%	3	89
Call · $35 In the money Last $5.50 Breakeven $40.50 Implied vol 98.1% Delta 0.706 ≈71% ITM Gamma 0.037 Theta -0.075 Vega 0.032 Open interest 10 Model this call Put · $35 Last $2.71 Breakeven $32.29 Implied vol 96.6% Delta -0.293 ≈29% ITM Gamma 0.037 Theta -0.07 Vega 0.032 Open interest 89 Model this put
2	2	96.1%	0.667	$8.00		—	-0.336	98.9%	—	0
Call · $36 In the money Last $8.00 Breakeven $44.00 Implied vol 96.1% Delta 0.667 ≈67% ITM Gamma 0.039 Theta -0.077 Vega 0.037 Open interest 2 Model this call Put · $36 Last — Breakeven — Implied vol 98.9% Delta -0.336 ≈34% ITM Gamma 0.038 Theta -0.076 Vega 0.037 Open interest 0 Model this put
5	1	95.5%	0.624	$3.60		$2.50	-0.373	86.2%	1	1
Call · $37 In the money Last $3.60 Breakeven $40.60 Implied vol 95.5% Delta 0.624 ≈62% ITM Gamma 0.041 Theta -0.079 Vega 0.037 Open interest 5 Model this call Put · $37 Last $2.50 Breakeven $34.50 Implied vol 86.2% Delta -0.373 ≈37% ITM Gamma 0.046 Theta -0.068 Vega 0.037 Open interest 1 Model this put
9	1	104.8%	0.583	$2.90		$2.43	-0.421	73.9%	2	2
Call · $38 In the money Last $2.90 Breakeven $40.90 Implied vol 104.8% Delta 0.583 ≈58% ITM Gamma 0.039 Theta -0.089 Vega 0.038 Open interest 9 Model this call Put · $38 Last $2.43 Breakeven $35.57 Implied vol 73.9% Delta -0.421 ≈42% ITM Gamma 0.055 Theta -0.06 Vega 0.038 Open interest 2 Model this put
4	1	87.3%	0.534	$2.50		$3.05	-0.474	76.4%	75	1
Call · $39 In the money Last $2.50 Breakeven $41.50 Implied vol 87.3% Delta 0.534 ≈53% ITM Gamma 0.048 Theta -0.076 Vega 0.038 Open interest 4 Model this call Put · $39 Last $3.05 Breakeven $35.95 Implied vol 76.4% Delta -0.474 ≈47% ITM Gamma 0.055 Theta -0.064 Vega 0.038 Open interest 1 Model this put
Underlying $39.16
13	1	89.6%	0.491	$2.36		$5.30	-0.539	67.9%	1	4
Call · $40 Last $2.36 Breakeven $42.36 Implied vol 89.6% Delta 0.491 ≈49% ITM Gamma 0.046 Theta -0.078 Vega 0.039 Open interest 13 Model this call Put · $40 In the money Last $5.30 Breakeven $34.70 Implied vol 67.9% Delta -0.539 ≈54% ITM Gamma 0.061 Theta -0.055 Vega 0.039 Open interest 4 Model this put
5	1	87.3%	0.443	$2.38		$3.00	-0.591	71.1%	4	4
Call · $41 Last $2.38 Breakeven $43.38 Implied vol 87.3% Delta 0.443 ≈44% ITM Gamma 0.047 Theta -0.075 Vega 0.039 Open interest 5 Model this call Put · $41 In the money Last $3.00 Breakeven $38.00 Implied vol 71.1% Delta -0.591 ≈59% ITM Gamma 0.058 Theta -0.057 Vega 0.039 Open interest 4 Model this put
14	9	79.6%	0.382	$2.74		—	-0.643	70.5%	—	0
Call · $42 Last $2.74 Breakeven $44.74 Implied vol 79.6% Delta 0.382 ≈38% ITM Gamma 0.05 Theta -0.066 Vega 0.035 Open interest 14 Model this call Put · $42 In the money Last — Breakeven — Implied vol 70.5% Delta -0.643 ≈64% ITM Gamma 0.056 Theta -0.054 Vega 0.035 Open interest 0 Model this put
44	2	72.1%	0.317	$1.00		$5.25	-0.717	63.9%	2	2
Call · $43 Last $1.00 Breakeven $44.00 Implied vol 72.1% Delta 0.317 ≈32% ITM Gamma 0.051 Theta -0.056 Vega 0.036 Open interest 44 Model this call Put · $43 In the money Last $5.25 Breakeven $37.75 Implied vol 63.9% Delta -0.717 ≈72% ITM Gamma 0.056 Theta -0.044 Vega 0.035 Open interest 2 Model this put
6	5	78.1%	0.292	$1.17		—	-0.785	59.1%	—	0
Call · $44 Last $1.17 Breakeven $45.17 Implied vol 78.1% Delta 0.292 ≈29% ITM Gamma 0.046 Theta -0.058 Vega 0.036 Open interest 6 Model this call Put · $44 In the money Last — Breakeven — Implied vol 59.1% Delta -0.785 ≈79% ITM Gamma 0.053 Theta -0.034 Vega 0.027 Open interest 0 Model this put
211	15	70.2%	0.225	$1.05		—	-0.837	57.7%	—	0
Call · $45 Last $1.05 Breakeven $46.05 Implied vol 70.2% Delta 0.225 ≈23% ITM Gamma 0.044 Theta -0.046 Vega 0.028 Open interest 211 Model this call Put · $45 In the money Last — Breakeven — Implied vol 57.7% Delta -0.837 ≈84% ITM Gamma 0.046 Theta -0.028 Vega 0.027 Open interest 0 Model this put
0	—	72.3%	0.198	—		—	-0.895	53.1%	—	0
Call · $46 Last — Breakeven — Implied vol 72.3% Delta 0.198 ≈20% ITM Gamma 0.04 Theta -0.043 Vega 0.028 Open interest 0 Model this call Put · $46 In the money Last — Breakeven — Implied vol 53.1% Delta -0.895 ≈89% ITM Gamma 0.038 Theta -0.018 Vega 0.018 Open interest 0 Model this put
25	23	72.7%	0.165	$1.74		—	-0.916	55.1%	—	0
Call · $47 Last $1.74 Breakeven $48.74 Implied vol 72.7% Delta 0.165 ≈17% ITM Gamma 0.036 Theta -0.039 Vega 0.029 Open interest 25 Model this call Put · $47 In the money Last — Breakeven — Implied vol 55.1% Delta -0.916 ≈92% ITM Gamma 0.032 Theta -0.016 Vega 0.018 Open interest 0 Model this put
55	55	73%	0.14	$1.10		—	—	—	—	0
Call · $48 Last $1.10 Breakeven $49.10 Implied vol 73% Delta 0.14 ≈14% ITM Gamma 0.032 Theta -0.035 Vega 0.019 Open interest 55 Model this call Put · $48 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
45	2	80.6%	0.124	$0.60		—	—	—	—	0
Call · $50 Last $0.60 Breakeven $50.60 Implied vol 80.6% Delta 0.124 ≈12% ITM Gamma 0.026 Theta -0.035 Vega 0.02 Open interest 45 Model this call Put · $50 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
1	1	107.3%	0.122	$0.20		—	—	—	—	0
Call · $55 Last $0.20 Breakeven $55.20 Implied vol 107.3% Delta 0.122 ≈12% ITM Gamma 0.019 Theta -0.046 Vega 0.02 Open interest 1 Model this call Put · $55 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
2	1	118.4%	0.089	$0.15		—	—	—	—	0
Call · $60 Last $0.15 Breakeven $60.15 Implied vol 118.4% Delta 0.089 ≈9% ITM Gamma 0.014 Theta -0.041 Vega 0.012 Open interest 2 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 1034842 CUSIP 766559702 13F (30d) 23 filings 23 filers Visit website Investor relations