ACLS · Axcelis Technologies Inc

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$112.05 -7.98 (-6.65%) At close · Jul 29

Market Cap

$3.44B

30.73M

Options Chain

15-min delayed Underlying $112.05 · at close Jul 29, 2026 Options Calculator

Positioning

Aug 21, 2026 · 22 days to expiry · 82 contracts

Put / call OI

0.36

Call-heavy positioning

Open interest

4,818

contracts outstanding

Volume

1,050

traded today

Max pain

$160.00

$47.95 above spot

ATM implied vol

98.9%

market's expected move

Open interest by strike · near the money

Calls Puts

100

105

110

115

120

125

130

135

140

145

150

155

160

165

170

175

180

185

190

195

200

210

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280

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 22d Sep 18 50d Nov 20 113d Dec 18 141d Mar 19 232d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
2	6	—	—	$55.60		$0.20	—	—	1	2
Call · $40 In the money Last $55.60 Breakeven $95.60 Implied vol — Delta — Gamma — Theta — Vega — Open interest 2 Model this call Put · $40 Last $0.20 Breakeven $39.80 Implied vol — Delta — Gamma — Theta — Vega — Open interest 2 Model this put
0	—	—	—	—		$1.00	—	—	9	9
Call · $45 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $45 Last $1.00 Breakeven $44.00 Implied vol — Delta — Gamma — Theta — Vega — Open interest 9 Model this put
1	1	—	—	$130.63		$0.30	—	—	1	4
Call · $50 In the money Last $130.63 Breakeven $180.63 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this call Put · $50 Last $0.30 Breakeven $49.70 Implied vol — Delta — Gamma — Theta — Vega — Open interest 4 Model this put
1	1	—	—	$110.89		$0.30	—	—	1	9
Call · $55 In the money Last $110.89 Breakeven $165.89 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this call Put · $55 Last $0.30 Breakeven $54.70 Implied vol — Delta — Gamma — Theta — Vega — Open interest 9 Model this put
0	—	—	—	—		$0.05	-0.047	179.1%	10	20
Call · $60 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $60 Last $0.05 Breakeven $59.95 Implied vol 179.1% Delta -0.047 ≈5% ITM Gamma 0.002 Theta -0.11 Vega 0.035 Open interest 20 Model this put
0	1	—	—	$77.66		$0.12	-0.025	126%	10	25
Call · $65 In the money Last $77.66 Breakeven $142.66 Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $65 Last $0.12 Breakeven $64.88 Implied vol 126% Delta -0.025 ≈2% ITM Gamma 0.002 Theta -0.045 Vega 0.021 Open interest 25 Model this put
11	10	—	—	$34.61		$0.44	-0.033	115.5%	11	11
Call · $70 In the money Last $34.61 Breakeven $104.61 Implied vol — Delta — Gamma — Theta — Vega — Open interest 11 Model this call Put · $70 Last $0.44 Breakeven $69.56 Implied vol 115.5% Delta -0.033 ≈3% ITM Gamma 0.002 Theta -0.052 Vega 0.022 Open interest 11 Model this put
12	1	—	—	$66.05		$0.50	-0.1	156%	1	14
Call · $75 In the money Last $66.05 Breakeven $141.05 Implied vol — Delta — Gamma — Theta — Vega — Open interest 12 Model this call Put · $75 Last $0.50 Breakeven $74.50 Implied vol 156% Delta -0.1 ≈10% ITM Gamma 0.004 Theta -0.173 Vega 0.059 Open interest 14 Model this put
2	1	87.6%	0.959	$92.69		$1.62	-0.093	122.2%	10	23
Call · $80 In the money Last $92.69 Breakeven $172.69 Implied vol 87.6% Delta 0.959 ≈96% ITM Gamma 0.004 Theta -0.056 Vega 0.024 Open interest 2 Model this call Put · $80 Last $1.62 Breakeven $78.38 Implied vol 122.2% Delta -0.093 ≈9% ITM Gamma 0.005 Theta -0.128 Vega 0.041 Open interest 23 Model this put
1	1	89.9%	0.922	$13.70		$1.87	-0.105	105.9%	10	17
Call · $85 In the money Last $13.70 Breakeven $98.70 Implied vol 89.9% Delta 0.922 ≈92% ITM Gamma 0.006 Theta -0.09 Vega 0.042 Open interest 1 Model this call Put · $85 Last $1.87 Breakeven $83.13 Implied vol 105.9% Delta -0.105 ≈10% ITM Gamma 0.006 Theta -0.122 Vega 0.043 Open interest 17 Model this put
10	1	99.7%	0.858	$99.41		$2.24	-0.162	111%	1	81
Call · $90 In the money Last $99.41 Breakeven $189.41 Implied vol 99.7% Delta 0.858 ≈86% ITM Gamma 0.008 Theta -0.148 Vega 0.065 Open interest 10 Model this call Put · $90 Last $2.24 Breakeven $87.76 Implied vol 111% Delta -0.162 ≈16% ITM Gamma 0.008 Theta -0.17 Vega 0.065 Open interest 81 Model this put
9	12	94.9%	0.813	$62.32		$3.80	-0.207	106.4%	1	18
Call · $95 In the money Last $62.32 Breakeven $157.32 Implied vol 94.9% Delta 0.813 ≈81% ITM Gamma 0.01 Theta -0.17 Vega 0.067 Open interest 9 Model this call Put · $95 Last $3.80 Breakeven $91.20 Implied vol 106.4% Delta -0.207 ≈21% ITM Gamma 0.01 Theta -0.19 Vega 0.088 Open interest 18 Model this put
28	3	96.6%	0.744	$50.00		$5.80	-0.27	108%	2	22
Call · $100 In the money Last $50.00 Breakeven $150.00 Implied vol 96.6% Delta 0.744 ≈74% ITM Gamma 0.012 Theta -0.203 Vega 0.09 Open interest 28 Model this call Put · $100 Last $5.80 Breakeven $94.20 Implied vol 108% Delta -0.27 ≈27% ITM Gamma 0.011 Theta -0.223 Vega 0.09 Open interest 22 Model this put
6	1	104.1%	0.671	$84.19		$3.38	-0.33	104.4%	1	38
Call · $105 In the money Last $84.19 Breakeven $189.19 Implied vol 104.1% Delta 0.671 ≈67% ITM Gamma 0.013 Theta -0.245 Vega 0.106 Open interest 6 Model this call Put · $105 Last $3.38 Breakeven $101.62 Implied vol 104.4% Delta -0.33 ≈33% ITM Gamma 0.012 Theta -0.236 Vega 0.106 Open interest 38 Model this put
47	2	93.2%	0.603	$27.85		$8.92	-0.398	104.6%	1	30
Call · $110 In the money Last $27.85 Breakeven $137.85 Implied vol 93.2% Delta 0.603 ≈60% ITM Gamma 0.015 Theta -0.233 Vega 0.109 Open interest 47 Model this call Put · $110 Last $8.92 Breakeven $101.08 Implied vol 104.6% Delta -0.398 ≈40% ITM Gamma 0.013 Theta -0.25 Vega 0.109 Open interest 30 Model this put
Underlying $112.05
36	1	94.3%	0.529	$13.78		$10.39	-0.464	107.8%	6	31
Call · $115 Last $13.78 Breakeven $128.78 Implied vol 94.3% Delta 0.529 ≈53% ITM Gamma 0.015 Theta -0.244 Vega 0.112 Open interest 36 Model this call Put · $115 In the money Last $10.39 Breakeven $104.61 Implied vol 107.8% Delta -0.464 ≈46% ITM Gamma 0.013 Theta -0.267 Vega 0.111 Open interest 31 Model this put
19	1	95.4%	0.458	$10.63		$10.78	-0.531	104.2%	17	20
Call · $120 Last $10.63 Breakeven $130.63 Implied vol 95.4% Delta 0.458 ≈46% ITM Gamma 0.015 Theta -0.243 Vega 0.114 Open interest 19 Model this call Put · $120 In the money Last $10.78 Breakeven $109.22 Implied vol 104.2% Delta -0.531 ≈53% ITM Gamma 0.014 Theta -0.255 Vega 0.114 Open interest 20 Model this put
10	1	100.5%	0.399	$9.42		$17.75	-0.59	107.7%	1	40
Call · $125 Last $9.42 Breakeven $134.42 Implied vol 100.5% Delta 0.399 ≈40% ITM Gamma 0.014 Theta -0.252 Vega 0.102 Open interest 10 Model this call Put · $125 In the money Last $17.75 Breakeven $107.25 Implied vol 107.7% Delta -0.59 ≈59% ITM Gamma 0.013 Theta -0.261 Vega 0.115 Open interest 40 Model this put
45	1	96.3%	0.331	$7.70		$21.20	-0.63	114.2%	2	37
Call · $130 Last $7.70 Breakeven $137.70 Implied vol 96.3% Delta 0.331 ≈33% ITM Gamma 0.013 Theta -0.223 Vega 0.104 Open interest 45 Model this call Put · $130 In the money Last $21.20 Breakeven $108.80 Implied vol 114.2% Delta -0.63 ≈63% ITM Gamma 0.012 Theta -0.265 Vega 0.104 Open interest 37 Model this put
54	1	99.3%	0.282	$7.27		$23.90	-0.683	112.7%	3	44
Call · $135 Last $7.27 Breakeven $142.27 Implied vol 99.3% Delta 0.282 ≈28% ITM Gamma 0.012 Theta -0.216 Vega 0.106 Open interest 54 Model this call Put · $135 In the money Last $23.90 Breakeven $111.10 Implied vol 112.7% Delta -0.683 ≈68% ITM Gamma 0.011 Theta -0.245 Vega 0.106 Open interest 44 Model this put
30	2	98.2%	0.233	$6.00		$29.81	-0.73	113.4%	10	168
Call · $140 Last $6.00 Breakeven $146.00 Implied vol 98.2% Delta 0.233 ≈23% ITM Gamma 0.011 Theta -0.192 Vega 0.083 Open interest 30 Model this call Put · $140 In the money Last $29.81 Breakeven $110.19 Implied vol 113.4% Delta -0.73 ≈73% ITM Gamma 0.011 Theta -0.231 Vega 0.082 Open interest 168 Model this put
53	1	98%	0.19	$6.15		$34.06	-0.768	112.8%	10	61
Call · $145 Last $6.15 Breakeven $151.15 Implied vol 98% Delta 0.19 ≈19% ITM Gamma 0.01 Theta -0.169 Vega 0.084 Open interest 53 Model this call Put · $145 In the money Last $34.06 Breakeven $110.94 Implied vol 112.8% Delta -0.768 ≈77% ITM Gamma 0.01 Theta -0.207 Vega 0.084 Open interest 61 Model this put
44	3	102.1%	0.163	$5.80		$24.90	-0.778	122.1%	1	14
Call · $150 Last $5.80 Breakeven $155.80 Implied vol 102.1% Delta 0.163 ≈16% ITM Gamma 0.009 Theta -0.162 Vega 0.057 Open interest 44 Model this call Put · $150 In the money Last $24.90 Breakeven $125.10 Implied vol 122.1% Delta -0.778 ≈78% ITM Gamma 0.009 Theta -0.219 Vega 0.085 Open interest 14 Model this put
28	1	115.1%	0.169	$3.00		$41.90	-0.807	123.5%	2	30
Call · $155 Last $3.00 Breakeven $158.00 Implied vol 115.1% Delta 0.169 ≈17% ITM Gamma 0.008 Theta -0.187 Vega 0.087 Open interest 28 Model this call Put · $155 In the money Last $41.90 Breakeven $113.10 Implied vol 123.5% Delta -0.807 ≈81% ITM Gamma 0.008 Theta -0.203 Vega 0.086 Open interest 30 Model this put
29	3	123.9%	0.166	$2.68		$39.70	-0.824	128.9%	2	105
Call · $160 Last $2.68 Breakeven $162.68 Implied vol 123.9% Delta 0.166 ≈17% ITM Gamma 0.007 Theta -0.198 Vega 0.059 Open interest 29 Model this call Put · $160 In the money Last $39.70 Breakeven $120.30 Implied vol 128.9% Delta -0.824 ≈82% ITM Gamma 0.007 Theta -0.202 Vega 0.086 Open interest 105 Model this put
69	83	115.6%	0.125	$3.30		$44.22	-0.848	128.1%	10	13
Call · $165 Last $3.30 Breakeven $168.30 Implied vol 115.6% Delta 0.125 ≈12% ITM Gamma 0.006 Theta -0.15 Vega 0.06 Open interest 69 Model this call Put · $165 In the money Last $44.22 Breakeven $120.78 Implied vol 128.1% Delta -0.848 ≈85% ITM Gamma 0.007 Theta -0.18 Vega 0.059 Open interest 13 Model this put
52	1	125.3%	0.128	$1.50		$48.75	-0.857	132.8%	10	18
Call · $170 Last $1.50 Breakeven $171.50 Implied vol 125.3% Delta 0.128 ≈13% ITM Gamma 0.006 Theta -0.166 Vega 0.061 Open interest 52 Model this call Put · $170 In the money Last $48.75 Breakeven $121.25 Implied vol 132.8% Delta -0.857 ≈86% ITM Gamma 0.006 Theta -0.178 Vega 0.06 Open interest 18 Model this put
42	2	130.3%	0.121	$2.99		$20.90	-0.869	135.7%	1	87
Call · $175 Last $2.99 Breakeven $177.99 Implied vol 130.3% Delta 0.121 ≈12% ITM Gamma 0.005 Theta -0.165 Vega 0.062 Open interest 42 Model this call Put · $175 In the money Last $20.90 Breakeven $154.10 Implied vol 135.7% Delta -0.869 ≈87% ITM Gamma 0.006 Theta -0.17 Vega 0.061 Open interest 87 Model this put
97	1	132%	0.106	$1.84		$38.00	-0.877	140.2%	10	16
Call · $180 Last $1.84 Breakeven $181.84 Implied vol 132% Delta 0.106 ≈11% ITM Gamma 0.005 Theta -0.153 Vega 0.062 Open interest 97 Model this call Put · $180 In the money Last $38.00 Breakeven $142.00 Implied vol 140.2% Delta -0.877 ≈88% ITM Gamma 0.005 Theta -0.168 Vega 0.061 Open interest 16 Model this put
4	1	136.3%	0.098	$5.85		$29.10	-0.888	142.9%	2	4
Call · $185 Last $5.85 Breakeven $190.85 Implied vol 136.3% Delta 0.098 ≈10% ITM Gamma 0.005 Theta -0.151 Vega 0.063 Open interest 4 Model this call Put · $185 In the money Last $29.10 Breakeven $155.90 Implied vol 142.9% Delta -0.888 ≈89% ITM Gamma 0.005 Theta -0.159 Vega 0.061 Open interest 4 Model this put
6	1	140.2%	0.092	$1.10		$67.61	-0.895	147%	40	20
Call · $190 Last $1.10 Breakeven $191.10 Implied vol 140.2% Delta 0.092 ≈9% ITM Gamma 0.004 Theta -0.149 Vega 0.037 Open interest 6 Model this call Put · $190 In the money Last $67.61 Breakeven $122.39 Implied vol 147% Delta -0.895 ≈90% ITM Gamma 0.005 Theta -0.157 Vega 0.062 Open interest 20 Model this put
6	1	132.2%	0.069	$3.50		$30.20	-0.902	151.1%	1	4
Call · $195 Last $3.50 Breakeven $198.50 Implied vol 132.2% Delta 0.069 ≈7% ITM Gamma 0.004 Theta -0.11 Vega 0.038 Open interest 6 Model this call Put · $195 In the money Last $30.20 Breakeven $164.80 Implied vol 151.1% Delta -0.902 ≈90% ITM Gamma 0.004 Theta -0.154 Vega 0.062 Open interest 4 Model this put
61	9	146.7%	0.084	$0.85		$54.30	-0.91	152.8%	1	1
Call · $200 Last $0.85 Breakeven $200.85 Implied vol 146.7% Delta 0.084 ≈8% ITM Gamma 0.004 Theta -0.143 Vega 0.038 Open interest 61 Model this call Put · $200 In the money Last $54.30 Breakeven $145.70 Implied vol 152.8% Delta -0.91 ≈91% ITM Gamma 0.004 Theta -0.146 Vega 0.037 Open interest 1 Model this put
39	3	156%	0.081	$4.30		$48.40	-0.916	160.3%	1	2
Call · $210 Last $4.30 Breakeven $214.30 Implied vol 156% Delta 0.081 ≈8% ITM Gamma 0.003 Theta -0.148 Vega 0.039 Open interest 39 Model this call Put · $210 In the money Last $48.40 Breakeven $161.60 Implied vol 160.3% Delta -0.916 ≈92% ITM Gamma 0.004 Theta -0.144 Vega 0.038 Open interest 2 Model this put
111	1	156.7%	0.066	$3.45		—	-0.917	170.1%	—	0
Call · $220 Last $3.45 Breakeven $223.45 Implied vol 156.7% Delta 0.066 ≈7% ITM Gamma 0.003 Theta -0.126 Vega 0.04 Open interest 111 Model this call Put · $220 In the money Last — Breakeven — Implied vol 170.1% Delta -0.917 ≈92% ITM Gamma 0.003 Theta -0.151 Vega 0.039 Open interest 0 Model this put
54	2	176.5%	0.082	$1.55		$57.10	-0.925	174.4%	51	51
Call · $230 Last $1.55 Breakeven $231.55 Implied vol 176.5% Delta 0.082 ≈8% ITM Gamma 0.003 Theta -0.168 Vega 0.04 Open interest 54 Model this call Put · $230 In the money Last $57.10 Breakeven $172.90 Implied vol 174.4% Delta -0.925 ≈93% ITM Gamma 0.003 Theta -0.142 Vega 0.039 Open interest 51 Model this put
95	16	160.8%	0.044	$3.70		—	-0.927	182.2%	—	0
Call · $240 Last $3.70 Breakeven $243.70 Implied vol 160.8% Delta 0.044 ≈4% ITM Gamma 0.002 Theta -0.095 Vega 0.021 Open interest 95 Model this call Put · $240 In the money Last — Breakeven — Implied vol 182.2% Delta -0.927 ≈93% ITM Gamma 0.003 Theta -0.144 Vega 0.04 Open interest 0 Model this put
2k	79	159.9%	0.036	$1.32		—	-0.927	190.9%	—	0
Call · $250 Last $1.32 Breakeven $251.32 Implied vol 159.9% Delta 0.036 ≈4% ITM Gamma 0.002 Theta -0.079 Vega 0.021 Open interest 2k Model this call Put · $250 In the money Last — Breakeven — Implied vol 190.9% Delta -0.927 ≈93% ITM Gamma 0.003 Theta -0.151 Vega 0.04 Open interest 0 Model this put
345	359	161.4%	0.03	$9.60		—	-0.931	196.9%	—	0
Call · $260 Last $9.60 Breakeven $269.60 Implied vol 161.4% Delta 0.03 ≈3% ITM Gamma 0.001 Theta -0.068 Vega 0.022 Open interest 345 Model this call Put · $260 In the money Last — Breakeven — Implied vol 196.9% Delta -0.931 ≈93% ITM Gamma 0.003 Theta -0.15 Vega 0.041 Open interest 0 Model this put
15	2	171.9%	0.034	$0.20		—	-0.927	207.4%	—	0
Call · $270 Last $0.20 Breakeven $270.20 Implied vol 171.9% Delta 0.034 ≈3% ITM Gamma 0.002 Theta -0.081 Vega 0.022 Open interest 15 Model this call Put · $270 In the money Last — Breakeven — Implied vol 207.4% Delta -0.927 ≈93% ITM Gamma 0.003 Theta -0.165 Vega 0.042 Open interest 0 Model this put
51	4	173.2%	0.028	$2.00		$99.10	-0.93	212.9%	178	175
Call · $280 Last $2.00 Breakeven $282.00 Implied vol 173.2% Delta 0.028 ≈3% ITM Gamma 0.001 Theta -0.07 Vega 0.022 Open interest 51 Model this call Put · $280 In the money Last $99.10 Breakeven $180.90 Implied vol 212.9% Delta -0.93 ≈93% ITM Gamma 0.002 Theta -0.164 Vega 0.042 Open interest 175 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. The 25 strikes around the money are shown by default — switch to "All 41" for the wings. Max pain is the listed strike where the most open interest would expire worthless — a positioning reference, not a forecast.

Key facts CIK 1113232 CUSIP 054540208 13F (30d) 109 filings 108 filers Visit website Investor relations