ASE Technology (ASX) Options Chain

NYSE: ASXTechnologySemiconductorsUSD

46.43+1.17 (+2.59%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Jan 21, 2028
Days to expiration: 468
Share price: $46.43
Put/call ratio (OI): 0.22
Put/call ratio (volume): 4.81
ATM implied volatility: 58.4%
Expected move: ±$30.69
Open interest (C / P): 8.82K / 1.98K

ASX options summary

The ASX options chain for the January 21, 2028 expiration lists 19 call and 18 put contracts, with 468 days until expiration. Open interest stands at 8,816 calls and 1,980 puts, a put/call ratio of 0.22, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $47.50 strike is 58.4%, which implies the market expects a move of about ±$30.69 (66.1%) in ASE Technology stock by expiration.

The most open interest sits at the $60.00 call (2.67K contracts) and the $40.00 put (1.39K contracts).

Summary generated from market data by MetaCap's automated system. Methodology

ASX options chain · January 21, 2028

ASX calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
991	2	77.0%	33.30	32.50	36.50	12.50	0.00	0.00	1.05	25.0%	20	0
71	1	78.6%	29.80	30.00	35.00	15.00	0.00	2.85	0.86	85.5%	1	6
7	3	78.1%	26.30	28.10	33.00	17.50	0.60	3.80	3.50	86.8%	—	1
126	42	72.3%	28.97	26.00	30.60	20.00	0.00	3.20	1.40	68.6%	2	95
131	117	70.8%	26.93	24.00	28.80	22.50	2.95	4.30	4.05	83.1%	1	1
109	11	61.2%	25.00	22.50	25.00	25.00	0.70	3.80	2.30	60.5%	2	37
8	2	67.2%	22.30	21.10	24.40	27.50	2.15	4.20	2.20	61.7%	1	3
298	2	66.4%	19.80	19.50	22.80	30.00	3.10	3.90	3.50	57.1%	2	96
2,061	2	64.4%	19.10	18.70	20.20	32.50	3.70	4.60	4.27	54.9%	6	134
345	2	63.6%	17.86	16.40	19.60	35.00	4.70	5.40	4.93	54.0%	12	24
138	2	63.8%	15.40	15.60	18.00	37.50	5.70	6.20	5.80	52.5%	1,917	39
234	2	61.8%	15.10	14.50	16.10	40.00	6.60	7.40	7.20	51.4%	54	1,390
257	23	60.8%	14.12	13.60	14.50	42.50	7.70	8.90	8.30	51.2%	2	144
184	2	59.2%	12.10	11.20	14.30	45.00	8.80	10.80	10.00	51.5%	1	3
ASX $46.43
108	6	58.4%	11.10	10.10	13.20	47.50	—	—	—	—	—	—
431	108	59.6%	11.00	10.60	11.50	50.00	18.00	21.30	22.05	84.9%	—	0
127	14	58.7%	9.27	8.80	9.90	55.00	0.00	0.00	23.20	—	2	0
2,672	78	58.9%	8.00	7.60	8.60	60.00	25.00	30.00	24.69	86.9%	2	7
518	2	58.6%	7.10	6.40	7.50	65.00	0.00	0.00	30.40	—	2	0

In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.

Frequently asked questions

What is the ASX put/call ratio?

For the January 21, 2028 expiration, the ASX put/call ratio based on open interest is 0.22 (1,980 puts vs 8,816 calls), and 4.81 based on today's volume. A ratio above 1 means more puts than calls.

What is ASX's implied volatility?

At-the-money implied volatility for ASX options expiring January 21, 2028 is about 58.4%, an annualized estimate of how much the market expects ASE Technology stock to move.

How many ASX option expiration dates are there?

ASX has 8 listed expiration dates, from Oct 16, 2026 to Jan 19, 2029.

What does "in the money" mean?

A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.