Industrials

Arcosa, Inc. (ACA) options and signal

Figures as of 28 Sep 2026

ACA is Arcosa, Inc., an Industrials 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	2 of 100	28 Sep
At the money IV	18.7%	28 Sep
Priced move to 20 Nov	7.2% down, 1.7% up	28 Sep
Call wall and put wall	150 and 145	28 Sep
Signal and the desk's view	No signal, view bearish	25 Sep
Last close	146.53	28 Sep
Next report	29 Oct 2026	28 Sep

Options Snapshot

ACA's IV rank is 2 of 100 on 28 Sep 2026.

Figure	Value
IV rank	2 of 100
At the money IV	18.7%, near month, 53 days
Put/call ratio, open interest	0.48
Call open interest, strikes captured near the price	414 contracts
Put open interest, strikes captured near the price	198 contracts
Cost to trade at the money	Wide, 104.6% of the option's mid price

IV rank is where the at the money IV sits among ACA'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, ACA options priced a move of 7.2 percent down and 1.7 percent up by 20 Nov 2026.

Expiry	Days	Down	Up	Range
20 Nov 2026	53	7.2%	1.7%	136.03 to 149.01
18 Dec 2026	81	25.0%	3.2%	109.83 to 151.21
19 Feb 2027	144	4.6%	2.1%	139.84 to 149.56

The range is one standard deviation either side of the close of 146.53, as the option prices imply it.

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

Thin quote at that expiry; its neighbours' reading stands in.

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, ACA's call wall is the 150 strike and its put wall is the 145 strike.

Figure	Value
Call wall, most open call gamma	150
Put wall, most open put gamma	145
Flip strike, where net gamma changes sign	140.94
Net dollar gamma, calls minus puts	$374,975
Total dollar gamma, both sides	$507,353
Close	146.53

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, ACA's at the money IV is 18.7 percent against 20 day realized volatility of 2.1 percent.

Figure	Value
At the money IV	18.7%
Realized volatility, 20 trading days	2.1%
Realized volatility, 60 trading days	2.8%
IV against its own weekly record	Low, in the bottom fifth
Weekly readings on record	374, from 14 Dec 2018
Weeks the price moved more than the one week priced move	21.1% of 227 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, ACA's at the money IV runs from 18.7 percent at 53 days to 7.0 percent at 144 days.

Days to expiry	At the money IV
53	18.7%
81	53.2%
144	7.0%

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, ACA's IV ten percent below the price sits 19.4 points above at the money IV.

Strike area	Implied volatility	Against at the money
10% below the price	38.2%	+19.4 points
At the money	18.7%	0.0 points
10% above the price	50.6%	+31.8 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, ACA's surface spans 3 expiries out to 144 days, with IV from 4.4 to 36.2 percent near the price.

Figure	Value
Expiries captured	3
Nearest expiry	20 Nov 2026, 53 days
Farthest expiry	19 Feb 2027, 144 days
Points within 10% of the price, 7 days out or more	14
Lowest IV among them	4.4%
Highest IV among them	36.2%

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, ACA has 3 captured expiries, from 20 Nov 2026 to 19 Feb 2027.

Expiry	Days	At the money IV	Call open interest	Put open interest
20 Nov 2026	53	18.7%	197	3
18 Dec 2026	81	53.2%	68	143
19 Feb 2027	144	7.0%	149	52

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, ACA's largest open interest sits at the 150 strike, with 271 contracts across the captured expiries.

Strike	Call open interest	Put open interest	Total
150	250	21	271
145	89	20	109
95	0	82	82
140	11	22	33
100	0	29	29
115	13	10	23

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, ACA's at the money IV moved from 17.6 percent to 18.7 percent.

Figure	25 Sep	28 Sep	Change
At the money IV	17.6%	18.7%	+1.2 points
Open interest, strikes captured near the price	621	612	-9
Put/call ratio, open interest	0.47	0.48	+0.01

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, 429 ACA option contracts traded, 1.3 times its own recent average.

Figure	Value
Calls traded	158
Puts traded	271
Against its recent average	1.3 times
Busier than	4 of its last 5 trading days
Open interest, whole chain	746 contracts
Volume to open interest	0.58
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 6 trading days of ACA's option positioning, from 28 Aug 2026 to 28 Sep 2026.

Date	Close	Net dollar gamma	Top call strike	Top put strike
28 Aug 2026	145.28	$153,618	150	145
28 Sep 2026	146.53	$374,975	150	145

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 ACA was bearish, paper trading.

Figure	Value
Side	Bearish at 45 trading days, no signal
Level above the close	146.82, the swing high of 23 Sep 2026, a close past it runs against the view
Level below the close	145.77, the swing low of 8 Sep 2026
The chart	Sits against the view
Strategy family	Bear put spread (buy a put spread)
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 ACA sat at the 1st percentile of the model's 45 trading day ranking, paper trading.

Timeframe	Percentile	Side
10 trading days	0 of 100	Bearish
20 trading days	0 of 100	Bearish
45 trading days	1 of 100	Bearish

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, 3 of 3 timeframes put ACA on the bearish side, paper trading.

Group	Timeframes	Side	On that side
Near	10 day, 20 day	Bearish	2 of 2
Long	45 day	Bearish	1 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 ACA had carried no signal for at least 5 trading days, paper trading.

Trading day	Signal	45 day percentile
25 Sep 2026	None	1 of 100
24 Sep 2026	None	1 of 100
23 Sep 2026	None	1 of 100
22 Sep 2026	None	2 of 100
21 Sep 2026	None	0 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, 51 of 147 Industrials names were bullish and 37 were bearish, paper trading.

Sector	Names	Bullish	Bearish	Neutral
Industrials	147	51	37	59

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

ACA closed at 146.53 on 28 Sep 2026.

Figure	Value
Last close	146.53
Change over 5 trading days	+0.2%
Change over 21 trading days	+0.7%
Change over 63 trading days	+1.3%
Change over 252 trading days	+59.9%
52 week high	146.92
52 week low	89.03
20 day moving average	145.71
50 day moving average	145.36
200 day moving average	126.48
RSI, 14 days	68

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

ACA reports next on 29 Oct 2026, a date worked out from past quarters.

Figure	Value
Next report	29 Oct 2026, after the close
Date	Worked out from past quarters
Move after the report of 5 Aug 2026	-0.3%
Move after the report of 30 Apr 2026	-1.4%
Move after the report of 28 Jan 2026	+1.4%
Move after the report of 28 Oct 2025	-0.5%

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

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Seasonality

In the 7 Septembers on record, ACA's average change was minus 1.8 percent, and it rose in 28.6 percent of them.

Month	Average change	Middle change	Share of years up	Years
September	-1.8%	-2.2%	28.6%	7
October	+5.2%	+4.7%	71.4%	7
November	+5.2%	+4.5%	71.4%	7

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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The Desk Analyst

The Free plan shows the first paragraph of The Desk Analyst's column on ACA for 25 Sep 2026, quoted below.

The close of 146.62 is above all listed moving averages.

It is 16.1% above the 200-day average of 126.29.

Other averages include the 5-day at 146.49, 20-day at 145.65, 50-day at 145.33, and 100-day at 139.19.

Paper trading. Column for 25 Sep 2026, general commentary published the same way to every reader.

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Questions

What is ACA's IV rank?: ACA's IV rank is 2 of 100 on 28 Sep 2026.
What move are ACA options pricing?: On 28 Sep 2026, ACA options priced a move of 7.2 percent down and 1.7 percent up by 20 Nov 2026.
Where are ACA's call wall and put wall?: On 28 Sep 2026, ACA's call wall is the 150 strike and its put wall is the 145 strike.
What was the desk's latest view of ACA on the Free plan?: On 25 Sep 2026 the desk's view of ACA was bearish, paper trading.
When does ACA report earnings next?: ACA reports next on 29 Oct 2026, a date worked out from past quarters.

More Industrials names

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