ASE Technology (ASX) Options Chain

NYSE: ASXTechnologySemiconductorsUSD

45.26-0.50 (-1.09%)

At close: Oct 8, 4:00 PM ET · Delayed 15 min

After hours: 44.87 -0.85%

Expiration date

Expiration: Oct 16, 2026
Days to expiration: 8
Share price: $45.26
Put/call ratio (OI): 0.33
Put/call ratio (volume): 3.23
ATM implied volatility: 53.4%
Expected move: ±$3.58
Open interest (C / P): 35.50K / 11.84K

ASX options summary

The ASX options chain for the October 16, 2026 expiration lists 14 call and 12 put contracts, with 8 days until expiration. Open interest stands at 35,504 calls and 11,835 puts, a put/call ratio of 0.33, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $45.00 strike is 53.4%, which implies the market expects a move of about ±$3.58 (7.9%) in ASE Technology stock by expiration.

The most open interest sits at the $47.50 call (15.19K contracts) and the $40.00 put (7.14K contracts).

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

ASX options chain · October 16, 2026

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
5	—	312.9%	20.70	24.20	26.90	20.00	0.00	0.00	0.08	50.0%	2	0
0	2	237.9%	18.42	21.40	24.40	22.50	—	—	—	—	—	—
0	2	317.6%	15.95	19.10	21.20	25.00	0.00	0.50	0.05	229.7%	—	1
10	—	276.4%	10.12	16.80	18.70	27.50	0.00	0.50	0.17	197.7%	90	153
3	1	238.5%	13.50	14.20	16.20	30.00	0.00	0.05	0.05	114.1%	2	71
3	1	203.1%	12.07	11.80	13.70	32.50	0.00	0.15	0.03	111.3%	3	989
16	2	101.2%	12.03	9.30	11.50	35.00	0.00	0.55	0.03	117.8%	4	1,719
47	3	61.7%	9.30	6.80	8.80	37.50	0.00	0.05	0.03	57.4%	1	1,244
1,430	5	78.8%	5.10	4.50	5.70	40.00	0.05	0.20	0.15	54.9%	2,036	7,142
14,175	199	52.5%	2.90	2.85	3.60	42.50	0.35	0.70	0.55	55.5%	77	177
2,819	101	55.4%	1.43	1.35	1.70	45.00	1.00	1.65	1.45	51.4%	46	273
ASX $45.26
15,190	237	54.1%	0.65	0.55	0.85	47.50	2.55	3.60	2.95	59.6%	57	52
1,732	156	54.8%	0.20	0.10	0.40	50.00	4.40	6.00	4.10	67.0%	1	14
74	8	55.1%	0.13	0.00	0.15	52.50	—	—	—	—	—	—

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 October 16, 2026 expiration, the ASX put/call ratio based on open interest is 0.33 (11,835 puts vs 35,504 calls), and 3.23 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 October 16, 2026 is about 53.4%, 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.