Information Technology

ASE Technology Holding Co., Ltd. (ASX) options and signal

Figures as of 28 Sep 2026

ASX is ASE Technology Holding Co., Ltd., an Information Technology name the model ranks every trading day. The options figures are from the close on 28 Sep 2026. The model's figures are from 25 Sep 2026, one trading day behind the latest, as the Free plan shows them. Every model figure is paper trading.

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At a glance

Figure	Value	Date
IV rank	9 of 100	28 Sep
At the money IV	60.3%	28 Sep
Priced move to 16 Oct	13.5% down, 13.2% up	28 Sep
Call wall and put wall	42.5 and 40	28 Sep
Signal and the desk's view	No signal, view neutral	25 Sep
Last close	43.79	28 Sep
Next report	29 Oct 2026	28 Sep

Options Snapshot

ASX's IV rank is 9 of 100 on 28 Sep 2026.

Figure	Value
IV rank	9 of 100
At the money IV	60.3%, near month, 18 days
Put/call ratio, open interest	0.58
Call open interest, strikes captured near the price	64,200 contracts
Put open interest, strikes captured near the price	37,300 contracts
Cost to trade at the money	Wide, 66.3% of the option's mid price

IV rank is where the at the money IV sits among ASX's own weekly readings, 0 the lowest and 100 the highest.

From the option chain at the close on 28 Sep 2026. Current on every plan.

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Priced Range

On 28 Sep 2026, ASX options priced a move of 13.5 percent down and 13.2 percent up by 16 Oct 2026.

Expiry	Days	Down	Up	Range
16 Oct 2026	18	13.5%	13.2%	37.87 to 49.59
20 Nov 2026	53	23.3%	24.0%	33.59 to 54.29
18 Dec 2026	81	25.8%	29.5%	32.49 to 56.69
15 Jan 2027	109	32.4%	34.9%	29.59 to 59.09
19 Mar 2027	172	39.3%	45.0%	26.59 to 63.49

The range is one standard deviation either side of the close of 43.79, as the option prices imply it.

A priced move restates option prices at the close and says nothing certain about where the price goes.

From the option chain at the close on 28 Sep 2026. Current on every plan.

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Gamma Map

On 28 Sep 2026, ASX's call wall is the 42.5 strike and its put wall is the 40 strike.

Figure	Value
Call wall, most open call gamma	42.5
Put wall, most open put gamma	40
Flip strike, where net gamma changes sign	40.63
Net dollar gamma, calls minus puts	$3.65 million
Total dollar gamma, both sides	$6.98 million
Close	43.79

Dollar gamma is stated for a one percent move in the price.

Net is calls minus puts under the standard convention, not a record of who holds the contracts.

From the option chain at the close on 28 Sep 2026. Current on every plan.

Open Gamma Map in RingMaster The Gamma Map guide

Volatility History

On 28 Sep 2026, ASX's at the money IV is 60.3 percent against 20 day realized volatility of 50.6 percent.

Figure	Value
At the money IV	60.3%
Realized volatility, 20 trading days	50.6%
Realized volatility, 60 trading days	65.6%
IV against its own weekly record	Low, in the bottom fifth
Weekly readings on record	545, from 16 Jul 2010
Weeks the price moved more than the one week priced move	4.0% of 175 weeks

Realized volatility is worked out from the daily closes the desk holds, not from the option chain.

From the option chain at the close on 28 Sep 2026. Current on every plan.

Open Volatility History in RingMaster The Volatility History guide

Volatility Weather

On 28 Sep 2026, ASX's at the money IV runs from 60.3 percent at 18 days to 59.1 percent at 172 days.

Days to expiry	At the money IV
18	60.3%
53	61.4%
81	59.1%
109	60.9%
172	59.1%

Near expiries price more volatility than far ones, an inverted term structure.

From the option chain at the close on 28 Sep 2026. Current on every plan.

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Volatility Smile

On 28 Sep 2026, at the 53 day expiry, ASX's IV ten percent below the price sits 0.5 points above at the money IV.

Strike area	Implied volatility	Against at the money
10% below the price	61.9%	+0.5 points
At the money	61.4%	0.0 points
10% above the price	63.1%	+1.7 points

From the option chain at the close on 28 Sep 2026. Current on every plan.

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Volatility Surface

On 28 Sep 2026, ASX's surface spans 5 expiries out to 172 days, with IV from 57.5 to 93.1 percent near the price.

Figure	Value
Expiries captured	5
Nearest expiry	16 Oct 2026, 18 days
Farthest expiry	19 Mar 2027, 172 days
Points within 10% of the price, 7 days out or more	20
Lowest IV among them	57.5%
Highest IV among them	93.1%

From the option chain at the close on 28 Sep 2026. Current on every plan.

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Expiry Ladder

On 28 Sep 2026, ASX has 5 captured expiries, from 16 Oct 2026 to 19 Mar 2027.

Expiry	Days	At the money IV	Call open interest	Put open interest
16 Oct 2026	18	60.3%	33,322	11,831
20 Nov 2026	53	61.4%	1,665	1,624
18 Dec 2026	81	59.1%	5,916	11,216
15 Jan 2027	109	60.9%	12,115	6,219
19 Mar 2027	172	59.1%	11,168	6,450

Open interest is summed over the strikes captured near the price on each expiry.

From the option chain at the close on 28 Sep 2026. Current on every plan.

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Strike Table

On 28 Sep 2026, ASX's largest open interest sits at the 47.5 strike, with 16,685 contracts across the captured expiries.

Strike	Call open interest	Put open interest	Total
47.5	16,594	91	16,685
42.5	14,673	338	15,011
30	1,478	11,778	13,256
55	11,662	1	11,663
40	2,823	8,210	11,033
35	728	7,369	8,097

From the option chain at the close on 28 Sep 2026. Current on every plan.

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Since Yesterday

From 25 Sep 2026 to 28 Sep 2026, ASX's at the money IV moved from 51.5 percent to 60.3 percent.

Figure	25 Sep	28 Sep	Change
At the money IV	51.5%	60.3%	+8.8 points
Open interest, strikes captured near the price	100,310	101,526	+1,216
Put/call ratio, open interest	0.56	0.58	+0.02

Open interest changes cannot identify buyers or sellers.

From the option chain at the close on 28 Sep 2026. Current on every plan.

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Changed Hands

On 28 Sep 2026, 3,435 ASX option contracts traded, 0.9 times its own recent average.

Figure	Value
Calls traded	2,091
Puts traded	1,344
Against its recent average	0.9 times
Busier than	10 of its last 20 trading days
Open interest, whole chain	102,480 contracts
Volume to open interest	0.03
Unusual volume flag	No

Traded volume and open interest are shown side by side and never combined. Open interest changes cannot identify buyers or sellers.

From the option chain at the close on 28 Sep 2026. Current on every plan.

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Positioning Replay

The replay holds 33 trading days of ASX's option positioning, from 11 Aug 2026 to 28 Sep 2026.

Date	Close	Net dollar gamma	Top call strike	Top put strike
11 Aug 2026	38.65	$2.25 million	42.5	35
21 Sep 2026	43.73	$3.02 million	42.5	40
28 Sep 2026	43.79	$3.65 million	42.5	40

Each frame restates one nightly capture. Net is calls minus puts, a convention, not who holds the contracts.

From the option chain at the close on 28 Sep 2026. Current on every plan.

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Read-out

On 25 Sep 2026 the desk's view of ASX was neutral, paper trading.

Figure	Value
Side	Neutral at 45 trading days, no signal
Level above the close	45.24, the swing high of 22 Sep 2026
Level below the close	41.37, the swing low of 9 Sep 2026
Strategy family	Long straddle (buy a call and a put at the same strike)
Price target	None. The desk has no price model.

The levels are prices the shares turned at on the chart, with the date of each.

Paper trading. The model's figures from 25 Sep 2026, one trading day behind, as the Free plan shows them.

Open Read-out in RingMaster The Read-out guide

Rank by Timeframe

On 25 Sep 2026 ASX sat at the 46th percentile of the model's 45 trading day ranking, paper trading.

Timeframe	Percentile	Side
10 trading days	91 of 100	Bullish
20 trading days	42 of 100	Neutral
45 trading days	46 of 100	Neutral

100 is the top of the ranking. A name in the middle three fifths is neutral.

Paper trading. The model's figures from 25 Sep 2026, one trading day behind, as the Free plan shows them.

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Timeframe Agreement

On 25 Sep 2026 ASX's near timeframes were bullish and its long timeframe was neutral, paper trading.

Group	Timeframes	Side	On that side
Near	10 day, 20 day	Bullish	1 of 2
Long	45 day	Neutral	0 of 1

Paper trading. The model's figures from 25 Sep 2026, one trading day behind, as the Free plan shows them.

Open Timeframe Agreement in RingMaster The Timeframe Agreement guide

Signal History

On 25 Sep 2026 ASX had carried no signal for at least 18 trading days, paper trading.

Trading day	Signal	45 day percentile
25 Sep 2026	None	46 of 100
24 Sep 2026	None	47 of 100
23 Sep 2026	None	33 of 100
22 Sep 2026	None	34 of 100
21 Sep 2026	None	17 of 100
18 Sep 2026	None	27 of 100
17 Sep 2026	None	14 of 100
16 Sep 2026	None	34 of 100

Paper trading. The model's figures from 25 Sep 2026, one trading day behind, as the Free plan shows them.

Open Signal History in RingMaster The Signal History guide

Sector Split

On 25 Sep 2026, 80 of 187 Information Technology names were bullish and 61 were bearish, paper trading.

Sector	Names	Bullish	Bearish	Neutral
Information Technology	187	80	61	46

Paper trading. The model's figures from 25 Sep 2026, one trading day behind, as the Free plan shows them.

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Price Chart

ASX closed at 43.79 on 28 Sep 2026.

Figure	Value
Last close	43.79
Change over 5 trading days	+0.1%
Change over 21 trading days	+12.6%
Change over 63 trading days	+3.9%
Change over 252 trading days	+282.1%
52 week high	45.52
52 week low	10.93
20 day moving average	40.25
50 day moving average	38.48
200 day moving average	30.08
RSI, 14 days	62

Worked out from the desk's own daily bars, adjusted for share splits.

From the daily bars through 28 Sep 2026. Current on every plan.

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Earnings Radar

ASX reports next on 29 Oct 2026, a date confirmed by the company.

Figure	Value
Next report	29 Oct 2026, before the open
Date	Confirmed by the company
Move after the report of 30 Jul 2026	+11.7%
Move after the report of 29 Apr 2026	+1.7%
Move after the report of 5 Feb 2026	+6.7%
Move after the report of 30 Oct 2025	+4.2%

Earnings calendar as of 28 Sep 2026. Current on every plan.

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Seasonality

In the 25 Septembers on record, ASX's average change was minus 2.1 percent, and it rose in 36.0 percent of them.

Month	Average change	Middle change	Share of years up	Years
September	-2.1%	-2.3%	36.0%	25
October	+3.5%	+2.0%	60.0%	25
November	+4.8%	+2.2%	69.2%	26

Each figure is a month end to month end change in past years. A past month says nothing certain about the next one.

Monthly history through 28 Sep 2026. Current on every plan.

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Headlines

The desk's news feeds carried 1 headline naming ASX in the 3 days to 28 Sep 2026.

Figure	Value
Headlines in the window	1
Latest	28 Sep 2026

The titles are in the Headlines window, with the time each was published.

Headlines as of 28 Sep 2026. Current on every plan.

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Questions

What is ASX's IV rank?: ASX's IV rank is 9 of 100 on 28 Sep 2026.
What move are ASX options pricing?: On 28 Sep 2026, ASX options priced a move of 13.5 percent down and 13.2 percent up by 16 Oct 2026.
Where are ASX's call wall and put wall?: On 28 Sep 2026, ASX's call wall is the 42.5 strike and its put wall is the 40 strike.
What was the desk's latest view of ASX on the Free plan?: On 25 Sep 2026 the desk's view of ASX was neutral, paper trading.
When does ASX report earnings next?: ASX reports next on 29 Oct 2026, a date confirmed by the company.

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