Information Technology

Onto Innovation Inc. (ONTO) options and signal

Figures as of 28 Sep 2026

ONTO is Onto Innovation Inc., 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	93 of 100	28 Sep
At the money IV	65.4%	28 Sep
Priced move to 16 Oct	15.0% down, 14.6% up	28 Sep
Call wall and put wall	330 and 280	28 Sep
Signal and the desk's view	No signal, view bullish	25 Sep
Last close	288.74	28 Sep
Next report	5 Nov 2026	28 Sep

Options Snapshot

ONTO's IV rank is 93 of 100 on 28 Sep 2026.

Figure	Value
IV rank	93 of 100
At the money IV	65.4%, near month, 18 days
Put/call ratio, open interest	0.49
Call open interest, strikes captured near the price	7,170 contracts
Put open interest, strikes captured near the price	3,480 contracts
Cost to trade at the money	Fair, 15.5% of the option's mid price

IV rank is where the at the money IV sits among ONTO'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, ONTO options priced a move of 15.0 percent down and 14.6 percent up by 16 Oct 2026.

Expiry	Days	Down	Up	Range
16 Oct 2026	18	15.0%	14.6%	245.54 to 330.94
20 Nov 2026	53	27.2%	28.3%	210.34 to 370.44
18 Dec 2026	81	32.3%	33.7%	195.44 to 385.94
15 Jan 2027	109	36.0%	38.4%	184.74 to 399.74
19 Mar 2027	172	45.7%	50.2%	156.74 to 433.74

The range is one standard deviation either side of the close of 288.74, 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, ONTO's call wall is the 330 strike and its put wall is the 280 strike.

Figure	Value
Call wall, most open call gamma	330
Put wall, most open put gamma	280
Flip strike, where net gamma changes sign	284.48
Net dollar gamma, calls minus puts	$1.37 million
Total dollar gamma, both sides	$2.97 million
Close	288.74

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.

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Volatility History

On 28 Sep 2026, ONTO's at the money IV is 65.4 percent against 20 day realized volatility of 65.7 percent.

Figure	Value
At the money IV	65.4%
Realized volatility, 20 trading days	65.7%
Realized volatility, 60 trading days	87.5%
IV against its own weekly record	High, in the top fifth
Weekly readings on record	332, from 29 Nov 2019
Weeks the price moved more than the one week priced move	35.6% of 236 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.

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Volatility Weather

On 28 Sep 2026, ONTO's at the money IV runs from 65.4 percent at 18 days to 69.2 percent at 172 days.

Days to expiry	At the money IV
18	65.4%
53	74.1%
81	69.5%
109	70.2%
172	69.2%

Far expiries price more volatility than near ones, an upward sloping 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, ONTO's IV ten percent below the price sits 0.3 points above at the money IV.

Strike area	Implied volatility	Against at the money
10% below the price	74.4%	+0.3 points
At the money	74.1%	0.0 points
10% above the price	73.5%	-0.6 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, ONTO's surface spans 5 expiries out to 172 days, with IV from 65.2 to 75.7 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	30
Lowest IV among them	65.2%
Highest IV among them	75.7%

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, ONTO 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	65.4%	1,471	841
20 Nov 2026	53	74.1%	206	115
18 Dec 2026	81	69.5%	5,014	2,006
15 Jan 2027	109	70.2%	290	124
19 Mar 2027	172	69.2%	188	394

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, ONTO's largest open interest sits at the 390 strike, with 1,014 contracts across the captured expiries.

Strike	Call open interest	Put open interest	Total
390	1,014	0	1,014
450	883	0	883
330	805	43	848
210	60	688	748
400	602	3	605
350	547	2	549

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, ONTO's at the money IV moved from 63.3 percent to 65.4 percent.

Figure	25 Sep	28 Sep	Change
At the money IV	63.3%	65.4%	+2.1 points
Open interest, strikes captured near the price	10,646	10,649	+3
Put/call ratio, open interest	0.50	0.49	-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, 1,184 ONTO option contracts traded, 0.8 times its own recent average.

Figure	Value
Calls traded	707
Puts traded	477
Against its recent average	0.8 times
Busier than	0 of its last 20 trading days
Open interest, whole chain	11,027 contracts
Volume to open interest	0.11
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 ONTO'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	319.79	$2.31 million	340	310
21 Sep 2026	275.98	$242,416	330	280
28 Sep 2026	288.74	$1.37 million	330	280

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 ONTO was bullish, paper trading.

Figure	Value
Side	Bullish at 45 trading days, no signal
Level above the close	305.74, the swing high of 27 Aug 2026
Level below the close	288.62, the swing low of 9 Sep 2026, a close past it runs against the view
The chart	Sits with the view
Strategy family	Cash-secured put (sell a put below the price)
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.

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Rank by Timeframe

On 25 Sep 2026 ONTO sat at the 87th percentile of the model's 45 trading day ranking, paper trading.

Timeframe	Percentile	Side
10 trading days	93 of 100	Bullish
20 trading days	54 of 100	Neutral
45 trading days	87 of 100	Bullish

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, 2 of 3 timeframes put ONTO on the bullish side, paper trading.

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

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

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Signal History

On 25 Sep 2026 ONTO had carried no signal for 17 trading days, paper trading.

Trading day	Signal	45 day percentile
25 Sep 2026	None	87 of 100
24 Sep 2026	None	78 of 100
23 Sep 2026	None	31 of 100
22 Sep 2026	None	10 of 100
21 Sep 2026	None	41 of 100
18 Sep 2026	None	40 of 100
17 Sep 2026	None	68 of 100
16 Sep 2026	None	56 of 100

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

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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

ONTO closed at 288.74 on 28 Sep 2026.

Figure	Value
Last close	288.74
Change over 5 trading days	+4.6%
Change over 21 trading days	-1.3%
Change over 63 trading days	-17.8%
Change over 252 trading days	+125.7%
52 week high	386.46
52 week low	118.97
20 day moving average	267.89
50 day moving average	280.83
200 day moving average	250.54
RSI, 14 days	55

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

ONTO reports next on 5 Nov 2026, a date confirmed by the company.

Figure	Value
Next report	5 Nov 2026, after the close
Date	Confirmed by the company
Move after the report of 6 Aug 2026	+14.7%
Move after the report of 29 Jul 2026	+14.8%
Move after the report of 30 Apr 2026	-0.7%
Move after the report of 28 Jan 2026	-0.3%

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

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Seasonality

In the 6 Septembers on record, ONTO's average change was minus 1.0 percent, and it rose in 16.7 percent of them.

Month	Average change	Middle change	Share of years up	Years
September	-1.0%	-3.7%	16.7%	6
October	+1.6%	+4.4%	66.7%	6
November	+15.1%	+19.2%	83.3%	6

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 2 headlines naming ONTO in the 3 days to 28 Sep 2026.

Figure	Value
Headlines in the window	2
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 ONTO's IV rank?: ONTO's IV rank is 93 of 100 on 28 Sep 2026.
What move are ONTO options pricing?: On 28 Sep 2026, ONTO options priced a move of 15.0 percent down and 14.6 percent up by 16 Oct 2026.
Where are ONTO's call wall and put wall?: On 28 Sep 2026, ONTO's call wall is the 330 strike and its put wall is the 280 strike.
What was the desk's latest view of ONTO on the Free plan?: On 25 Sep 2026 the desk's view of ONTO was bullish, paper trading.
When does ONTO report earnings next?: ONTO reports next on 5 Nov 2026, a date confirmed by the company.

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