STLD · Steel Dynamics Inc

Track STLD — free Ask ALVIS about STLD

$247.11 +6.54 (+2.72%) At close · Jul 24

Market Cap

$35.64B

144.21M

Options Chain

15-min delayed Underlying $247.11 · at close Jul 24, 2026 Options Calculator

Positioning

Aug 21, 2026 · 26 days to expiry · 92 contracts

Put / call OI

0.55

Call-heavy positioning

Open interest

8,659

contracts outstanding

Volume

675

traded today

Max pain

$230.00

$17.11 below spot

ATM implied vol

42.9%

market's expected move

Open interest by strike · near the money

Calls Puts

100

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Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 26d Sep 18 54d Nov 20 117d Dec 18 145d Jan 15 173d Feb 19 208d Mar 19 236d Jun 17 326d Jan 21 544d Dec 15 873d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	167.6%	0.995	—		—	—	—	—	0
Call · $85 In the money Last — Breakeven — Implied vol 167.6% Delta 0.995 ≈100% ITM Gamma 0 Theta -0.029 Vega 0.008 Open interest 0 Model this call Put · $85 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	169.5%	0.993	—		—	—	—	—	0
Call · $90 In the money Last — Breakeven — Implied vol 169.5% Delta 0.993 ≈99% ITM Gamma 0 Theta -0.041 Vega 0.008 Open interest 0 Model this call Put · $90 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	159.8%	0.993	—		$0.14	—	—	6	1
Call · $95 In the money Last — Breakeven — Implied vol 159.8% Delta 0.993 ≈99% ITM Gamma 0 Theta -0.04 Vega 0.009 Open interest 0 Model this call Put · $95 Last $0.14 Breakeven $94.86 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this put
0	—	150.6%	0.993	—		$0.05	—	—	4	1
Call · $100 In the money Last — Breakeven — Implied vol 150.6% Delta 0.993 ≈99% ITM Gamma 0 Theta -0.038 Vega 0.009 Open interest 0 Model this call Put · $100 Last $0.05 Breakeven $99.95 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this put
0	—	141.8%	0.993	—		—	-0.004	131.1%	—	0
Call · $105 In the money Last — Breakeven — Implied vol 141.8% Delta 0.993 ≈99% ITM Gamma 0 Theta -0.037 Vega 0.009 Open interest 0 Model this call Put · $105 Last — Breakeven — Implied vol 131.1% Delta -0.004 ≈0% ITM Gamma 0 Theta -0.019 Vega 0.009 Open interest 0 Model this put
3	1	128.2%	0.994	$173.40		$0.05	-0.004	121.8%	3	8
Call · $110 In the money Last $173.40 Breakeven $283.40 Implied vol 128.2% Delta 0.994 ≈99% ITM Gamma 0 Theta -0.029 Vega 0.009 Open interest 3 Model this call Put · $110 Last $0.05 Breakeven $109.95 Implied vol 121.8% Delta -0.004 ≈0% ITM Gamma 0 Theta -0.016 Vega 0.009 Open interest 8 Model this put
0	—	125.5%	0.993	—		$1.72	-0.004	118%	4	4
Call · $115 In the money Last — Breakeven — Implied vol 125.5% Delta 0.993 ≈99% ITM Gamma 0 Theta -0.034 Vega 0.01 Open interest 0 Model this call Put · $115 Last $1.72 Breakeven $113.28 Implied vol 118% Delta -0.004 ≈0% ITM Gamma 0 Theta -0.019 Vega 0.01 Open interest 4 Model this put
0	—	125.1%	0.99	—		—	-0.005	114.4%	—	0
Call · $120 In the money Last — Breakeven — Implied vol 125.1% Delta 0.99 ≈99% ITM Gamma 0 Theta -0.044 Vega 0.023 Open interest 0 Model this call Put · $120 Last — Breakeven — Implied vol 114.4% Delta -0.005 ≈1% ITM Gamma 0 Theta -0.022 Vega 0.01 Open interest 0 Model this put
0	—	118%	0.99	—		—	-0.01	120.3%	—	0
Call · $125 In the money Last — Breakeven — Implied vol 118% Delta 0.99 ≈99% ITM Gamma 0 Theta -0.043 Vega 0.023 Open interest 0 Model this call Put · $125 Last — Breakeven — Implied vol 120.3% Delta -0.01 ≈1% ITM Gamma 0 Theta -0.042 Vega 0.023 Open interest 0 Model this put
0	—	111.1%	0.99	—		$1.20	-0.009	110.7%	1	1
Call · $130 In the money Last — Breakeven — Implied vol 111.1% Delta 0.99 ≈99% ITM Gamma 0 Theta -0.042 Vega 0.024 Open interest 0 Model this call Put · $130 Last $1.20 Breakeven $128.80 Implied vol 110.7% Delta -0.009 ≈1% ITM Gamma 0 Theta -0.034 Vega 0.024 Open interest 1 Model this put
6	6	0.1%	0.999	$65.59		$1.80	-0.014	111.8%	1	4
Call · $135 In the money Last $65.59 Breakeven $200.59 Implied vol 0.1% Delta 0.999 ≈100% ITM Gamma 0 Theta -0.008 Vega 0 Open interest 6 Model this call Put · $135 Last $1.80 Breakeven $133.20 Implied vol 111.8% Delta -0.014 ≈1% ITM Gamma 0 Theta -0.051 Vega 0.024 Open interest 4 Model this put
0	—	0.1%	0.999	—		$5.95	-0.016	107.8%	3	3
Call · $140 In the money Last — Breakeven — Implied vol 0.1% Delta 0.999 ≈100% ITM Gamma 0 Theta -0.008 Vega 0 Open interest 0 Model this call Put · $140 Last $5.95 Breakeven $134.05 Implied vol 107.8% Delta -0.016 ≈2% ITM Gamma 0.001 Theta -0.055 Vega 0.025 Open interest 3 Model this put
0	—	91.9%	0.99	—		$0.75	-0.011	94.1%	3	32
Call · $145 In the money Last — Breakeven — Implied vol 91.9% Delta 0.99 ≈99% ITM Gamma 0 Theta -0.039 Vega 0.025 Open interest 0 Model this call Put · $145 Last $0.75 Breakeven $144.25 Implied vol 94.1% Delta -0.011 ≈1% ITM Gamma 0 Theta -0.035 Vega 0.025 Open interest 32 Model this put
1	1	101.5%	0.978	$44.60		$0.83	-0.009	85.8%	2	16
Call · $150 In the money Last $44.60 Breakeven $194.60 Implied vol 101.5% Delta 0.978 ≈98% ITM Gamma 0.001 Theta -0.077 Vega 0.026 Open interest 1 Model this call Put · $150 Last $0.83 Breakeven $149.17 Implied vol 85.8% Delta -0.009 ≈1% ITM Gamma 0 Theta -0.028 Vega 0.026 Open interest 16 Model this put
4	2	0.1%	0.999	$29.50		$0.75	-0.011	81.5%	2	180
Call · $155 In the money Last $29.50 Breakeven $184.50 Implied vol 0.1% Delta 0.999 ≈100% ITM Gamma 0 Theta -0.01 Vega 0 Open interest 4 Model this call Put · $155 Last $0.75 Breakeven $154.25 Implied vol 81.5% Delta -0.011 ≈1% ITM Gamma 0.001 Theta -0.03 Vega 0.026 Open interest 180 Model this put
2	1	82.2%	0.982	$43.99		$2.15	-0.009	73%	12	30
Call · $160 In the money Last $43.99 Breakeven $203.99 Implied vol 82.2% Delta 0.982 ≈98% ITM Gamma 0.001 Theta -0.055 Vega 0.027 Open interest 2 Model this call Put · $160 Last $2.15 Breakeven $157.85 Implied vol 73% Delta -0.009 ≈1% ITM Gamma 0 Theta -0.021 Vega 0.011 Open interest 30 Model this put
1	1	84.3%	0.973	$93.40		$0.33	-0.01	69.6%	3	29
Call · $165 In the money Last $93.40 Breakeven $258.40 Implied vol 84.3% Delta 0.973 ≈97% ITM Gamma 0.001 Theta -0.075 Vega 0.054 Open interest 1 Model this call Put · $165 Last $0.33 Breakeven $164.67 Implied vol 69.6% Delta -0.01 ≈1% ITM Gamma 0.001 Theta -0.024 Vega 0.027 Open interest 29 Model this put
15	5	75.1%	0.977	$60.00		$0.05	-0.013	66.7%	1	101
Call · $170 In the money Last $60.00 Breakeven $230.00 Implied vol 75.1% Delta 0.977 ≈98% ITM Gamma 0.001 Theta -0.062 Vega 0.027 Open interest 15 Model this call Put · $170 Last $0.05 Breakeven $169.95 Implied vol 66.7% Delta -0.013 ≈1% ITM Gamma 0.001 Theta -0.028 Vega 0.027 Open interest 101 Model this put
4	1	55.1%	0.992	$57.80		$0.41	-0.017	63.9%	6	45
Call · $175 In the money Last $57.80 Breakeven $232.80 Implied vol 55.1% Delta 0.992 ≈99% ITM Gamma 0.001 Theta -0.025 Vega 0.012 Open interest 4 Model this call Put · $175 Last $0.41 Breakeven $174.59 Implied vol 63.9% Delta -0.017 ≈2% ITM Gamma 0.001 Theta -0.033 Vega 0.028 Open interest 45 Model this put
68	1	55.9%	0.987	$46.94		$0.33	-0.02	61.1%	3	100
Call · $180 In the money Last $46.94 Breakeven $226.94 Implied vol 55.9% Delta 0.987 ≈99% ITM Gamma 0.001 Theta -0.035 Vega 0.028 Open interest 68 Model this call Put · $180 Last $0.33 Breakeven $179.67 Implied vol 61.1% Delta -0.02 ≈2% ITM Gamma 0.001 Theta -0.037 Vega 0.028 Open interest 100 Model this put
13	6	65.7%	0.96	$22.80		$0.40	-0.023	57.6%	7	97
Call · $185 In the money Last $22.80 Breakeven $207.80 Implied vol 65.7% Delta 0.96 ≈96% ITM Gamma 0.002 Theta -0.083 Vega 0.057 Open interest 13 Model this call Put · $185 Last $0.40 Breakeven $184.60 Implied vol 57.6% Delta -0.023 ≈2% ITM Gamma 0.001 Theta -0.039 Vega 0.028 Open interest 97 Model this put
153	1	54.4%	0.972	$49.77		$0.40	-0.037	58.3%	7	106
Call · $190 In the money Last $49.77 Breakeven $239.77 Implied vol 54.4% Delta 0.972 ≈97% ITM Gamma 0.002 Theta -0.056 Vega 0.058 Open interest 153 Model this call Put · $190 Last $0.40 Breakeven $189.60 Implied vol 58.3% Delta -0.037 ≈4% ITM Gamma 0.002 Theta -0.059 Vega 0.058 Open interest 106 Model this put
8	2	56.3%	0.952	$26.50		$0.65	-0.041	53.9%	1	100
Call · $195 In the money Last $26.50 Breakeven $221.50 Implied vol 56.3% Delta 0.952 ≈95% ITM Gamma 0.003 Theta -0.083 Vega 0.059 Open interest 8 Model this call Put · $195 Last $0.65 Breakeven $194.35 Implied vol 53.9% Delta -0.041 ≈4% ITM Gamma 0.002 Theta -0.06 Vega 0.059 Open interest 100 Model this put
21	2	49.7%	0.953	$42.78		$0.78	-0.05	50.9%	10	836
Call · $200 In the money Last $42.78 Breakeven $242.78 Implied vol 49.7% Delta 0.953 ≈95% ITM Gamma 0.003 Theta -0.074 Vega 0.059 Open interest 21 Model this call Put · $200 Last $0.78 Breakeven $199.22 Implied vol 50.9% Delta -0.05 ≈5% ITM Gamma 0.003 Theta -0.066 Vega 0.059 Open interest 836 Model this put
43	6	49.4%	0.905	$33.36		$1.31	-0.096	49.9%	102	534
Call · $210 In the money Last $33.36 Breakeven $243.36 Implied vol 49.4% Delta 0.905 ≈91% ITM Gamma 0.005 Theta -0.119 Vega 0.106 Open interest 43 Model this call Put · $210 Last $1.31 Breakeven $208.69 Implied vol 49.9% Delta -0.096 ≈10% ITM Gamma 0.005 Theta -0.106 Vega 0.106 Open interest 534 Model this put
154	12	45.4%	0.849	$29.35		$2.50	-0.149	45.1%	16	279
Call · $220 In the money Last $29.35 Breakeven $249.35 Implied vol 45.4% Delta 0.849 ≈85% ITM Gamma 0.008 Theta -0.148 Vega 0.163 Open interest 154 Model this call Put · $220 Last $2.50 Breakeven $217.50 Implied vol 45.1% Delta -0.149 ≈15% ITM Gamma 0.008 Theta -0.13 Vega 0.163 Open interest 279 Model this put
128	10	48.2%	0.738	$21.70		$4.70	-0.247	44.3%	14	152
Call · $230 In the money Last $21.70 Breakeven $251.70 Implied vol 48.2% Delta 0.738 ≈74% ITM Gamma 0.01 Theta -0.211 Vega 0.219 Open interest 128 Model this call Put · $230 Last $4.70 Breakeven $225.30 Implied vol 44.3% Delta -0.247 ≈25% ITM Gamma 0.011 Theta -0.173 Vega 0.219 Open interest 152 Model this put
407	28	45%	0.627	$15.75		$7.80	-0.369	42.1%	7	179
Call · $240 In the money Last $15.75 Breakeven $255.75 Implied vol 45% Delta 0.627 ≈63% ITM Gamma 0.013 Theta -0.227 Vega 0.257 Open interest 407 Model this call Put · $240 Last $7.80 Breakeven $232.20 Implied vol 42.1% Delta -0.369 ≈37% ITM Gamma 0.014 Theta -0.195 Vega 0.257 Open interest 179 Model this put
Underlying $247.11
2.9k	19	42.7%	0.491	$10.50		$12.90	-0.51	43.1%	2	67
Call · $250 Last $10.50 Breakeven $260.50 Implied vol 42.7% Delta 0.491 ≈49% ITM Gamma 0.014 Theta -0.226 Vega 0.264 Open interest 2.9k Model this call Put · $250 In the money Last $12.90 Breakeven $237.10 Implied vol 43.1% Delta -0.51 ≈51% ITM Gamma 0.014 Theta -0.21 Vega 0.264 Open interest 67 Model this put
561	10	43%	0.358	$6.55		$29.70	-0.642	43.4%	1	67
Call · $260 Last $6.55 Breakeven $266.55 Implied vol 43% Delta 0.358 ≈36% ITM Gamma 0.013 Theta -0.212 Vega 0.237 Open interest 561 Model this call Put · $260 In the money Last $29.70 Breakeven $230.30 Implied vol 43.4% Delta -0.642 ≈64% ITM Gamma 0.013 Theta -0.196 Vega 0.236 Open interest 67 Model this put
280	35	46.8%	0.264	$3.80		$37.60	-0.744	46%	1	12
Call · $270 Last $3.80 Breakeven $273.80 Implied vol 46.8% Delta 0.264 ≈26% ITM Gamma 0.011 Theta -0.201 Vega 0.242 Open interest 280 Model this call Put · $270 In the money Last $37.60 Breakeven $232.40 Implied vol 46% Delta -0.744 ≈74% ITM Gamma 0.011 Theta -0.178 Vega 0.237 Open interest 12 Model this put
221	26	43.7%	0.159	$2.28		$49.20	-0.868	40.3%	20	42
Call · $280 Last $2.28 Breakeven $282.28 Implied vol 43.7% Delta 0.159 ≈16% ITM Gamma 0.008 Theta -0.139 Vega 0.19 Open interest 221 Model this call Put · $280 In the money Last $49.20 Breakeven $230.80 Implied vol 40.3% Delta -0.868 ≈87% ITM Gamma 0.009 Theta -0.097 Vega 0.124 Open interest 42 Model this put
98	117	46.9%	0.117	$1.40		$44.10	-0.932	40.5%	10	29
Call · $290 Last $1.40 Breakeven $291.40 Implied vol 46.9% Delta 0.117 ≈12% ITM Gamma 0.006 Theta -0.119 Vega 0.129 Open interest 98 Model this call Put · $290 In the money Last $44.10 Breakeven $245.90 Implied vol 40.5% Delta -0.932 ≈93% ITM Gamma 0.006 Theta -0.057 Vega 0.07 Open interest 29 Model this put
173	5	45.5%	0.065	$0.70		$31.20	-0.966	41.2%	2	2
Call · $300 Last $0.70 Breakeven $300.70 Implied vol 45.5% Delta 0.065 ≈6% ITM Gamma 0.004 Theta -0.074 Vega 0.076 Open interest 173 Model this call Put · $300 In the money Last $31.20 Breakeven $268.80 Implied vol 41.2% Delta -0.966 ≈97% ITM Gamma 0.004 Theta -0.03 Vega 0.058 Open interest 2 Model this put
127	7	45.4%	0.035	$0.40		$48.80	-0.979	44.4%	2	0
Call · $310 Last $0.40 Breakeven $310.40 Implied vol 45.4% Delta 0.035 ≈3% ITM Gamma 0.003 Theta -0.045 Vega 0.039 Open interest 127 Model this call Put · $310 In the money Last $48.80 Breakeven $261.20 Implied vol 44.4% Delta -0.979 ≈98% ITM Gamma 0.003 Theta -0.02 Vega 0.028 Open interest 0 Model this put
9	1	51.5%	0.034	$7.51		—	-1	0.1%	—	0
Call · $320 Last $7.51 Breakeven $327.51 Implied vol 51.5% Delta 0.034 ≈3% ITM Gamma 0.002 Theta -0.051 Vega 0.039 Open interest 9 Model this call Put · $320 In the money Last — Breakeven — Implied vol 0.1% Delta -1 ≈100% ITM Gamma 0 Theta 0 Vega 0 Open interest 0 Model this put
47	15	51.2%	0.02	$0.20		—	-0.964	60.6%	—	0
Call · $330 Last $0.20 Breakeven $330.20 Implied vol 51.2% Delta 0.02 ≈2% ITM Gamma 0.001 Theta -0.032 Vega 0.04 Open interest 47 Model this call Put · $330 In the money Last — Breakeven — Implied vol 60.6% Delta -0.964 ≈96% ITM Gamma 0.002 Theta -0.049 Vega 0.065 Open interest 0 Model this put
15	1	53.6%	0.014	$1.01		$82.20	-0.966	65.9%	1	0
Call · $340 Last $1.01 Breakeven $341.01 Implied vol 53.6% Delta 0.014 ≈1% ITM Gamma 0.001 Theta -0.025 Vega 0.018 Open interest 15 Model this call Put · $340 In the money Last $82.20 Breakeven $257.80 Implied vol 65.9% Delta -0.966 ≈97% ITM Gamma 0.002 Theta -0.051 Vega 0.064 Open interest 0 Model this put
31	30	57.5%	0.013	$0.60		$101.40	-0.968	71%	1	0
Call · $350 Last $0.60 Breakeven $350.60 Implied vol 57.5% Delta 0.013 ≈1% ITM Gamma 0.001 Theta -0.025 Vega 0.018 Open interest 31 Model this call Put · $350 In the money Last $101.40 Breakeven $248.60 Implied vol 71% Delta -0.968 ≈97% ITM Gamma 0.002 Theta -0.053 Vega 0.06 Open interest 0 Model this put
30	30	64.5%	0.017	$0.50		—	-0.969	75.5%	—	0
Call · $360 Last $0.50 Breakeven $360.50 Implied vol 64.5% Delta 0.017 ≈2% ITM Gamma 0.001 Theta -0.034 Vega 0.042 Open interest 30 Model this call Put · $360 In the money Last — Breakeven — Implied vol 75.5% Delta -0.969 ≈97% ITM Gamma 0.002 Theta -0.054 Vega 0.036 Open interest 0 Model this put
30	30	71.1%	0.021	$0.40		—	-0.97	79.8%	—	0
Call · $370 Last $0.40 Breakeven $370.40 Implied vol 71.1% Delta 0.021 ≈2% ITM Gamma 0.001 Theta -0.045 Vega 0.042 Open interest 30 Model this call Put · $370 In the money Last — Breakeven — Implied vol 79.8% Delta -0.97 ≈97% ITM Gamma 0.002 Theta -0.055 Vega 0.035 Open interest 0 Model this put
0	—	74%	0.018	—		—	-0.986	76.3%	—	0
Call · $380 Last — Breakeven — Implied vol 74% Delta 0.018 ≈2% ITM Gamma 0.001 Theta -0.041 Vega 0.043 Open interest 0 Model this call Put · $380 In the money Last — Breakeven — Implied vol 76.3% Delta -0.986 ≈99% ITM Gamma 0.001 Theta -0.023 Vega 0.029 Open interest 0 Model this put
1	1	77.3%	0.016	$0.80		—	-1	0.1%	—	0
Call · $390 Last $0.80 Breakeven $390.80 Implied vol 77.3% Delta 0.016 ≈2% ITM Gamma 0.001 Theta -0.039 Vega 0.019 Open interest 1 Model this call Put · $390 In the money Last — Breakeven — Implied vol 0.1% Delta -1 ≈100% ITM Gamma 0 Theta 0 Vega 0 Open interest 0 Model this put
1	1	100.1%	0.046	$1.10		—	-1	0.1%	—	0
Call · $400 Last $1.10 Breakeven $401.10 Implied vol 100.1% Delta 0.046 ≈5% ITM Gamma 0.001 Theta -0.124 Vega 0.086 Open interest 1 Model this call Put · $400 In the money Last — Breakeven — Implied vol 0.1% Delta -1 ≈100% ITM Gamma 0 Theta 0 Vega 0 Open interest 0 Model this put
3	1	104.1%	0.044	$0.95		—	-0.974	95.7%	—	0
Call · $410 Last $0.95 Breakeven $410.95 Implied vol 104.1% Delta 0.044 ≈4% ITM Gamma 0.001 Theta -0.125 Vega 0.087 Open interest 3 Model this call Put · $410 In the money Last — Breakeven — Implied vol 95.7% Delta -0.974 ≈97% ITM Gamma 0.001 Theta -0.058 Vega 0.036 Open interest 0 Model this put
3	2	91.6%	0.019	$0.55		—	-1	0.1%	—	0
Call · $420 Last $0.55 Breakeven $420.55 Implied vol 91.6% Delta 0.019 ≈2% ITM Gamma 0.001 Theta -0.054 Vega 0.045 Open interest 3 Model this call Put · $420 In the money Last — Breakeven — Implied vol 0.1% Delta -1 ≈100% ITM Gamma 0 Theta 0 Vega 0 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. The 25 strikes around the money are shown by default — switch to "All 46" 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 1022671 CUSIP 858119100 13F (30d) 277 filings 275 filers Visit website Investor relations