CHT · Chunghwa Telecom Co Ltd

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$43.08 +0.31 (+0.72%) At close · Jul 27

Market Cap

$33.16B

775.74M

Options Chain

15-min delayed Underlying $43.08 · at close Jul 27, 2026 Options Calculator

Positioning

Aug 21, 2026 · 24 days to expiry · 18 contracts

Put / call OI

0.00

Call-heavy positioning

Open interest

contracts outstanding

Volume

traded today

Max pain

$40.00

$3.08 below spot

ATM implied vol

36.1%

market's expected move

Open interest by strike

Calls Puts

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 24d Sep 18 52d Dec 18 143d Mar 19 234d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	117.2%	0.978	—		—	—	—	—	0
Call · $25 In the money Last — Breakeven — Implied vol 117.2% Delta 0.978 ≈98% ITM Gamma 0.005 Theta -0.011 Vega 0.007 Open interest 0 Model this call Put · $25 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	103.8%	0.931	—		—	—	—	—	0
Call · $30 In the money Last — Breakeven — Implied vol 103.8% Delta 0.931 ≈93% ITM Gamma 0.012 Theta -0.027 Vega 0.016 Open interest 0 Model this call Put · $30 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	70.7%	0.891	—		—	—	—	—	0
Call · $35 In the money Last — Breakeven — Implied vol 70.7% Delta 0.891 ≈89% ITM Gamma 0.025 Theta -0.027 Vega 0.018 Open interest 0 Model this call Put · $35 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
4	4	35%	0.804	$3.07		—	-0.193	33.6%	—	0
Call · $40 In the money Last $3.07 Breakeven $43.07 Implied vol 35% Delta 0.804 ≈80% ITM Gamma 0.075 Theta -0.019 Vega 0.029 Open interest 4 Model this call Put · $40 Last — Breakeven — Implied vol 33.6% Delta -0.193 ≈19% ITM Gamma 0.073 Theta -0.022 Vega 0.029 Open interest 0 Model this put
Underlying $43.08
0	9	44.8%	0.366	$0.30		—	-0.727	27.4%	—	0
Call · $45 Last $0.30 Breakeven $45.30 Implied vol 44.8% Delta 0.366 ≈37% ITM Gamma 0.077 Theta -0.037 Vega 0.04 Open interest 0 Model this call Put · $45 In the money Last — Breakeven — Implied vol 27.4% Delta -0.727 ≈73% ITM Gamma 0.108 Theta -0.024 Vega 0.039 Open interest 0 Model this put
0	—	54.5%	0.157	—		—	-0.995	0.2%	—	0
Call · $50 Last — Breakeven — Implied vol 54.5% Delta 0.157 ≈16% ITM Gamma 0.04 Theta -0.029 Vega 0.031 Open interest 0 Model this call Put · $50 In the money Last — Breakeven — Implied vol 0.2% Delta -0.995 ≈99% ITM Gamma 0 Theta -0.004 Vega 0 Open interest 0 Model this put
0	—	—	—	—		—	-0.995	0.2%	—	0
Call · $55 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $55 In the money Last — Breakeven — Implied vol 0.2% Delta -0.995 ≈99% ITM Gamma 0 Theta -0.004 Vega 0 Open interest 0 Model this put
0	—	—	—	—		—	-0.995	0.2%	—	0
Call · $60 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $60 In the money Last — Breakeven — Implied vol 0.2% Delta -0.995 ≈99% ITM Gamma 0 Theta -0.003 Vega 0 Open interest 0 Model this put
0	—	—	—	—		—	-0.995	0.2%	—	0
Call · $65 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $65 In the money Last — Breakeven — Implied vol 0.2% Delta -0.995 ≈99% ITM Gamma 0 Theta -0.003 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. Max pain is the listed strike where the most open interest would expire worthless — a positioning reference, not a forecast.

Key facts CIK 1132924 CUSIP 17133Q502 13F (30d) 80 filings 59 filers Visit website Investor relations