RDWR · Radware Ltd

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$29.51 +0.57 (+1.97%) At close · Jul 24

Market Cap

$1.24B

42.08M

Options Chain

15-min delayed Underlying $29.51 · today Options Calculator

Positioning

Aug 21, 2026 · 25 days to expiry · 52 contracts

Put / call OI

0.13

Call-heavy positioning

Open interest

292

contracts outstanding

Volume

141

traded today

Max pain

$25.00

$4.51 below spot

ATM implied vol

48.1%

market's expected move

Open interest by strike

Calls Puts

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 25d Sep 18 53d Nov 20 116d Dec 18 144d Mar 19 235d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	168.4%	0.961	—		—	-0.054	189.1%	—	0
Call · $15 In the money Last — Breakeven — Implied vol 168.4% Delta 0.961 ≈96% ITM Gamma 0.006 Theta -0.023 Vega 0.006 Open interest 0 Model this call Put · $15 Last — Breakeven — Implied vol 189.1% Delta -0.054 ≈5% ITM Gamma 0.007 Theta -0.031 Vega 0.009 Open interest 0 Model this put
0	—	154.7%	0.957	—		—	-0.057	171.2%	—	0
Call · $16 In the money Last — Breakeven — Implied vol 154.7% Delta 0.957 ≈96% ITM Gamma 0.008 Theta -0.023 Vega 0.006 Open interest 0 Model this call Put · $16 Last — Breakeven — Implied vol 171.2% Delta -0.057 ≈6% ITM Gamma 0.009 Theta -0.03 Vega 0.01 Open interest 0 Model this put
0	—	141.9%	0.954	—		$0.30	-0.064	159.4%	1	1
Call · $17 In the money Last — Breakeven — Implied vol 141.9% Delta 0.954 ≈95% ITM Gamma 0.009 Theta -0.023 Vega 0.006 Open interest 0 Model this call Put · $17 Last $0.30 Breakeven $16.70 Implied vol 159.4% Delta -0.064 ≈6% ITM Gamma 0.01 Theta -0.03 Vega 0.01 Open interest 1 Model this put
0	—	138.3%	0.938	—		$0.35	-0.067	143.6%	1	1
Call · $18 In the money Last — Breakeven — Implied vol 138.3% Delta 0.938 ≈94% ITM Gamma 0.011 Theta -0.027 Vega 0.011 Open interest 0 Model this call Put · $18 Last $0.35 Breakeven $17.65 Implied vol 143.6% Delta -0.067 ≈7% ITM Gamma 0.012 Theta -0.028 Vega 0.011 Open interest 1 Model this put
0	—	110.6%	0.953	—		$0.30	-0.071	128.7%	1	2
Call · $19 In the money Last — Breakeven — Implied vol 110.6% Delta 0.953 ≈95% ITM Gamma 0.011 Theta -0.019 Vega 0.006 Open interest 0 Model this call Put · $19 Last $0.30 Breakeven $18.70 Implied vol 128.7% Delta -0.071 ≈7% ITM Gamma 0.014 Theta -0.027 Vega 0.011 Open interest 2 Model this put
0	—	109.1%	0.933	—		$0.03	-0.084	121.3%	1	1
Call · $20 In the money Last — Breakeven — Implied vol 109.1% Delta 0.933 ≈93% ITM Gamma 0.015 Theta -0.023 Vega 0.011 Open interest 0 Model this call Put · $20 Last $0.03 Breakeven $19.97 Implied vol 121.3% Delta -0.084 ≈8% ITM Gamma 0.016 Theta -0.028 Vega 0.011 Open interest 1 Model this put
1	1	97.9%	0.927	$6.60		—	-0.089	107.8%	—	0
Call · $21 In the money Last $6.60 Breakeven $27.60 Implied vol 97.9% Delta 0.927 ≈93% ITM Gamma 0.018 Theta -0.023 Vega 0.011 Open interest 1 Model this call Put · $21 Last — Breakeven — Implied vol 107.8% Delta -0.089 ≈9% ITM Gamma 0.019 Theta -0.026 Vega 0.011 Open interest 0 Model this put
0	—	87.1%	0.919	—		$1.45	-0.099	97.1%	1	1
Call · $22 In the money Last — Breakeven — Implied vol 87.1% Delta 0.919 ≈92% ITM Gamma 0.022 Theta -0.022 Vega 0.012 Open interest 0 Model this call Put · $22 Last $1.45 Breakeven $20.55 Implied vol 97.1% Delta -0.099 ≈10% ITM Gamma 0.023 Theta -0.026 Vega 0.012 Open interest 1 Model this put
1	1	76.9%	0.909	$3.90		—	-0.114	87.8%	—	0
Call · $23 In the money Last $3.90 Breakeven $26.90 Implied vol 76.9% Delta 0.909 ≈91% ITM Gamma 0.027 Theta -0.021 Vega 0.012 Open interest 1 Model this call Put · $23 Last — Breakeven — Implied vol 87.8% Delta -0.114 ≈11% ITM Gamma 0.028 Theta -0.026 Vega 0.018 Open interest 0 Model this put
2	1	73.9%	0.88	$3.10		—	-0.128	76.4%	—	0
Call · $24 In the money Last $3.10 Breakeven $27.10 Implied vol 73.9% Delta 0.88 ≈88% ITM Gamma 0.035 Theta -0.025 Vega 0.018 Open interest 2 Model this call Put · $24 Last — Breakeven — Implied vol 76.4% Delta -0.128 ≈13% ITM Gamma 0.035 Theta -0.024 Vega 0.018 Open interest 0 Model this put
84	75	73.6%	0.831	$6.00		—	-0.154	68.1%	—	0
Call · $25 In the money Last $6.00 Breakeven $31.00 Implied vol 73.6% Delta 0.831 ≈83% ITM Gamma 0.044 Theta -0.03 Vega 0.019 Open interest 84 Model this call Put · $25 Last — Breakeven — Implied vol 68.1% Delta -0.154 ≈15% ITM Gamma 0.045 Theta -0.024 Vega 0.019 Open interest 0 Model this put
1	3	65.4%	0.8	$4.90		—	-0.251	87.3%	—	0
Call · $26 In the money Last $4.90 Breakeven $30.90 Implied vol 65.4% Delta 0.8 ≈80% ITM Gamma 0.056 Theta -0.03 Vega 0.025 Open interest 1 Model this call Put · $26 Last — Breakeven — Implied vol 87.3% Delta -0.251 ≈25% ITM Gamma 0.047 Theta -0.042 Vega 0.025 Open interest 0 Model this put
2	2	68.5%	0.723	$5.00		—	-0.274	66.7%	—	0
Call · $27 In the money Last $5.00 Breakeven $32.00 Implied vol 68.5% Delta 0.723 ≈72% ITM Gamma 0.063 Theta -0.037 Vega 0.026 Open interest 2 Model this call Put · $27 Last — Breakeven — Implied vol 66.7% Delta -0.274 ≈27% ITM Gamma 0.064 Theta -0.033 Vega 0.026 Open interest 0 Model this put
11	10	67.7%	0.655	$3.50		$2.10	-0.357	78.6%	1	1
Call · $28 In the money Last $3.50 Breakeven $31.50 Implied vol 67.7% Delta 0.655 ≈65% ITM Gamma 0.07 Theta -0.04 Vega 0.03 Open interest 11 Model this call Put · $28 Last $2.10 Breakeven $25.90 Implied vol 78.6% Delta -0.357 ≈36% ITM Gamma 0.061 Theta -0.044 Vega 0.03 Open interest 1 Model this put
13	10	73.1%	0.579	$2.13		$0.90	-0.422	67.5%	1	3
Call · $29 In the money Last $2.13 Breakeven $31.13 Implied vol 73.1% Delta 0.579 ≈58% ITM Gamma 0.069 Theta -0.045 Vega 0.031 Open interest 13 Model this call Put · $29 Last $0.90 Breakeven $28.10 Implied vol 67.5% Delta -0.422 ≈42% ITM Gamma 0.075 Theta -0.039 Vega 0.031 Open interest 3 Model this put
Underlying $29.51
32	2	47.2%	0.481	$2.10		$1.35	-0.519	49%	2	22
Call · $30 Last $2.10 Breakeven $32.10 Implied vol 47.2% Delta 0.481 ≈48% ITM Gamma 0.109 Theta -0.03 Vega 0.031 Open interest 32 Model this call Put · $30 In the money Last $1.35 Breakeven $28.65 Implied vol 49% Delta -0.519 ≈52% ITM Gamma 0.106 Theta -0.028 Vega 0.031 Open interest 22 Model this put
11	1	61.6%	0.419	$2.45		$1.50	-0.598	56.3%	1	1
Call · $31 Last $2.45 Breakeven $33.45 Implied vol 61.6% Delta 0.419 ≈42% ITM Gamma 0.082 Theta -0.038 Vega 0.032 Open interest 11 Model this call Put · $31 In the money Last $1.50 Breakeven $29.50 Implied vol 56.3% Delta -0.598 ≈60% ITM Gamma 0.09 Theta -0.032 Vega 0.032 Open interest 1 Model this put
33	4	74.4%	0.382	$1.27		—	-0.67	57.9%	—	0
Call · $32 Last $1.27 Breakeven $33.27 Implied vol 74.4% Delta 0.382 ≈38% ITM Gamma 0.066 Theta -0.045 Vega 0.028 Open interest 33 Model this call Put · $32 In the money Last — Breakeven — Implied vol 57.9% Delta -0.67 ≈67% ITM Gamma 0.081 Theta -0.03 Vega 0.028 Open interest 0 Model this put
4	4	72.3%	0.319	$0.82		—	-0.755	55.4%	—	0
Call · $33 Last $0.82 Breakeven $33.82 Implied vol 72.3% Delta 0.319 ≈32% ITM Gamma 0.063 Theta -0.04 Vega 0.029 Open interest 4 Model this call Put · $33 In the money Last — Breakeven — Implied vol 55.4% Delta -0.755 ≈76% ITM Gamma 0.075 Theta -0.025 Vega 0.022 Open interest 0 Model this put
31	4	63.8%	0.231	$0.67		—	-0.928	37.3%	—	0
Call · $34 Last $0.67 Breakeven $34.67 Implied vol 63.8% Delta 0.231 ≈23% ITM Gamma 0.061 Theta -0.03 Vega 0.022 Open interest 31 Model this call Put · $34 In the money Last — Breakeven — Implied vol 37.3% Delta -0.928 ≈93% ITM Gamma 0.057 Theta -0.006 Vega 0.013 Open interest 0 Model this put
12	10	57.3%	0.149	$0.01		—	-0.844	60%	—	0
Call · $35 Last $0.01 Breakeven $35.01 Implied vol 57.3% Delta 0.149 ≈15% ITM Gamma 0.052 Theta -0.021 Vega 0.015 Open interest 12 Model this call Put · $35 In the money Last — Breakeven — Implied vol 60% Delta -0.844 ≈84% ITM Gamma 0.054 Theta -0.02 Vega 0.022 Open interest 0 Model this put
0	—	69.2%	0.161	—		—	-0.942	48.1%	—	0
Call · $36 Last — Breakeven — Implied vol 69.2% Delta 0.161 ≈16% ITM Gamma 0.046 Theta -0.027 Vega 0.023 Open interest 0 Model this call Put · $36 In the money Last — Breakeven — Implied vol 48.1% Delta -0.942 ≈94% ITM Gamma 0.038 Theta -0.007 Vega 0.008 Open interest 0 Model this put
0	—	75.2%	0.151	—		—	-0.946	53%	—	0
Call · $37 Last — Breakeven — Implied vol 75.2% Delta 0.151 ≈15% ITM Gamma 0.04 Theta -0.028 Vega 0.016 Open interest 0 Model this call Put · $37 In the money Last — Breakeven — Implied vol 53% Delta -0.946 ≈95% ITM Gamma 0.032 Theta -0.007 Vega 0.008 Open interest 0 Model this put
1	1	79%	0.137	$0.20		—	-0.912	67.7%	—	0
Call · $38 Last $0.20 Breakeven $38.20 Implied vol 79% Delta 0.137 ≈14% ITM Gamma 0.036 Theta -0.027 Vega 0.016 Open interest 1 Model this call Put · $38 In the money Last — Breakeven — Implied vol 67.7% Delta -0.912 ≈91% ITM Gamma 0.033 Theta -0.015 Vega 0.015 Open interest 0 Model this put
1	1	85.8%	0.136	$0.20		—	-0.953	62.5%	—	0
Call · $39 Last $0.20 Breakeven $39.20 Implied vol 85.8% Delta 0.136 ≈14% ITM Gamma 0.033 Theta -0.029 Vega 0.016 Open interest 1 Model this call Put · $39 In the money Last — Breakeven — Implied vol 62.5% Delta -0.953 ≈95% ITM Gamma 0.024 Theta -0.008 Vega 0.008 Open interest 0 Model this put
19	1	97.1%	0.148	$0.20		—	-0.955	67%	—	0
Call · $40 Last $0.20 Breakeven $40.20 Implied vol 97.1% Delta 0.148 ≈15% ITM Gamma 0.031 Theta -0.035 Vega 0.016 Open interest 19 Model this call Put · $40 In the money Last — Breakeven — Implied vol 67% Delta -0.955 ≈96% ITM Gamma 0.022 Theta -0.008 Vega 0.008 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 1094366 CUSIP M81873107 13F (30d) 19 filings 19 filers Visit website Investor relations