SKM · Sk Telecom Co Ltd

Track SKM — free Ask ALVIS about SKM

$29.65 -1.08 (-3.51%)

Market Cap

$11.38B

383.89M

Options Chain

15-min delayed Underlying $29.65 · today Options Calculator

Positioning

Aug 21, 2026 · 23 days to expiry · 18 contracts

Put / call OI

0.62

Call-heavy positioning

Open interest

25,371

contracts outstanding

Volume

1,366

traded today

Max pain

$30.00

$0.35 above spot

ATM implied vol

74.2%

market's expected move

Open interest by strike

Calls Puts

22.5

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 23d Sep 18 51d Dec 18 142d Jan 15 170d Mar 19 233d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	131.5%	0.917	—		$0.05	-0.027	89.5%	1	240
Call · $20 In the money Last — Breakeven — Implied vol 131.5% Delta 0.917 ≈92% ITM Gamma 0.015 Theta -0.033 Vega 0.011 Open interest 0 Model this call Put · $20 Last $0.05 Breakeven $19.95 Implied vol 89.5% Delta -0.027 ≈3% ITM Gamma 0.009 Theta -0.009 Vega 0.006 Open interest 240 Model this put
0	—	108.4%	0.883	—		$0.10	-0.061	79.8%	1	303
Call · $22.5 In the money Last — Breakeven — Implied vol 108.4% Delta 0.883 ≈88% ITM Gamma 0.024 Theta -0.035 Vega 0.017 Open interest 0 Model this call Put · $22.5 Last $0.10 Breakeven $22.40 Implied vol 79.8% Delta -0.061 ≈6% ITM Gamma 0.02 Theta -0.016 Vega 0.011 Open interest 303 Model this put
30	3	75%	0.852	$9.00		$0.50	-0.143	73.8%	56	3.6k
Call · $25 In the money Last $9.00 Breakeven $34.00 Implied vol 75% Delta 0.852 ≈85% ITM Gamma 0.041 Theta -0.029 Vega 0.018 Open interest 30 Model this call Put · $25 Last $0.50 Breakeven $24.50 Implied vol 73.8% Delta -0.143 ≈14% ITM Gamma 0.041 Theta -0.027 Vega 0.018 Open interest 3.6k Model this put
Underlying $29.65
2.1k	697	69.8%	0.53	$2.10		$2.25	-0.465	78.6%	183	3.9k
Call · $30 Last $2.10 Breakeven $32.10 Implied vol 69.8% Delta 0.53 ≈53% ITM Gamma 0.077 Theta -0.047 Vega 0.03 Open interest 2.1k Model this call Put · $30 In the money Last $2.25 Breakeven $27.75 Implied vol 78.6% Delta -0.465 ≈47% ITM Gamma 0.069 Theta -0.051 Vega 0.03 Open interest 3.9k Model this put
5.1k	193	77.4%	0.239	$0.75		$5.63	-0.741	84%	1	1.6k
Call · $35 Last $0.75 Breakeven $35.75 Implied vol 77.4% Delta 0.239 ≈24% ITM Gamma 0.054 Theta -0.04 Vega 0.021 Open interest 5.1k Model this call Put · $35 In the money Last $5.63 Breakeven $29.37 Implied vol 84% Delta -0.741 ≈74% ITM Gamma 0.053 Theta -0.044 Vega 0.021 Open interest 1.6k Model this put
7.2k	22	85.2%	0.105	$0.24		$5.70	-0.886	88.1%	49	56
Call · $40 Last $0.24 Breakeven $40.24 Implied vol 85.2% Delta 0.105 ≈10% ITM Gamma 0.028 Theta -0.025 Vega 0.015 Open interest 7.2k Model this call Put · $40 In the money Last $5.70 Breakeven $34.30 Implied vol 88.1% Delta -0.886 ≈89% ITM Gamma 0.03 Theta -0.026 Vega 0.015 Open interest 56 Model this put
383	43	112.3%	0.092	$0.10		$12.10	-0.915	110.2%	10	10
Call · $45 Last $0.10 Breakeven $45.10 Implied vol 112.3% Delta 0.092 ≈9% ITM Gamma 0.02 Theta -0.031 Vega 0.016 Open interest 383 Model this call Put · $45 In the money Last $12.10 Breakeven $32.90 Implied vol 110.2% Delta -0.915 ≈91% ITM Gamma 0.02 Theta -0.027 Vega 0.009 Open interest 10 Model this put
622	13	126.6%	0.072	$0.25		$17.90	-0.971	104.4%	2	1
Call · $50 Last $0.25 Breakeven $50.25 Implied vol 126.6% Delta 0.072 ≈7% ITM Gamma 0.014 Theta -0.028 Vega 0.01 Open interest 622 Model this call Put · $50 In the money Last $17.90 Breakeven $32.10 Implied vol 104.4% Delta -0.971 ≈97% ITM Gamma 0.01 Theta -0.01 Vega 0.005 Open interest 1 Model this put
220	92	136.4%	0.052	$0.10		—	-0.931	147%	—	0
Call · $55 Last $0.10 Breakeven $55.10 Implied vol 136.4% Delta 0.052 ≈5% ITM Gamma 0.01 Theta -0.024 Vega 0.01 Open interest 220 Model this call Put · $55 In the money Last — Breakeven — Implied vol 147% Delta -0.931 ≈93% ITM Gamma 0.013 Theta -0.03 Vega 0.01 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 1015650 CUSIP 78440P306 13F (30d) 85 filings 69 filers Visit website