Industrials

Sterling Infrastructure, Inc. (STRL) options and signal

Figures as of 28 Sep 2026

STRL is Sterling Infrastructure, 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	35 of 100	28 Sep
At the money IV	60.0%	28 Sep
Priced move to 16 Oct	13.2% down, 13.0% up	28 Sep
Call wall and put wall	580 and 530	28 Sep
Signal and the desk's view	No signal, view neutral	25 Sep
Last close	498.36	28 Sep
Next report	2 Nov 2026	28 Sep

Options Snapshot

STRL's IV rank is 35 of 100 on 28 Sep 2026.

Figure	Value
IV rank	35 of 100
At the money IV	60.0%, near month, 18 days
Put/call ratio, open interest	1.23
Call open interest, strikes captured near the price	4,190 contracts
Put open interest, strikes captured near the price	5,160 contracts
Cost to trade at the money	Fair, 22.3% of the option's mid price

IV rank is where the at the money IV sits among STRL'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, STRL options priced a move of 13.2 percent down and 13.0 percent up by 16 Oct 2026.

Expiry	Days	Down	Up	Range
16 Oct 2026	18	13.2%	13.0%	432.56 to 563.26
20 Nov 2026	53	27.1%	26.5%	363.36 to 630.36
18 Dec 2026	81	31.3%	32.3%	342.36 to 659.36
15 Jan 2027	109	34.3%	36.7%	327.36 to 681.36
19 Mar 2027	172	44.1%	48.4%	278.36 to 739.36

The range is one standard deviation either side of the close of 498.36, 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, STRL's call wall is the 580 strike and its put wall is the 530 strike.

Figure	Value
Call wall, most open call gamma	580
Put wall, most open put gamma	530
Net dollar gamma, calls minus puts	minus $485,604
Total dollar gamma, both sides	$5.26 million
Close	498.36

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.

Net gamma changes sign at 3 strikes, so no single flip strike is named.

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, STRL's at the money IV is 60.0 percent against 20 day realized volatility of 53.6 percent.

Figure	Value
At the money IV	60.0%
Realized volatility, 20 trading days	53.6%
Realized volatility, 60 trading days	79.9%
IV against its own weekly record	In the middle
Weekly readings on record	775, from 8 Jan 2010
Weeks the price moved more than the one week priced move	22.2% of 234 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, STRL's at the money IV runs from 60.0 percent at 18 days to 67.3 percent at 172 days.

Days to expiry	At the money IV
18	60.0%
53	70.4%
81	68.1%
109	66.2%
172	67.3%

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, STRL's IV ten percent below the price sits 0.9 points above at the money IV.

Strike area	Implied volatility	Against at the money
10% below the price	71.3%	+0.9 points
At the money	70.4%	0.0 points
10% above the price	71.5%	+1.1 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, STRL's surface spans 5 expiries out to 172 days, with IV from 58.4 to 72.3 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	44
Lowest IV among them	58.4%
Highest IV among them	72.3%

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, STRL 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	60.0%	994	2,053
20 Nov 2026	53	70.4%	66	110
18 Dec 2026	81	68.1%	1,412	2,025
15 Jan 2027	109	66.2%	504	473
19 Mar 2027	172	67.3%	1,212	501

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, STRL's largest open interest sits at the 500 strike, with 620 contracts across the captured expiries.

Strike	Call open interest	Put open interest	Total
500	388	232	620
400	250	354	604
600	423	84	507
370	19	464	483
580	364	37	401
410	75	306	381

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, STRL's at the money IV moved from 64.2 percent to 60.0 percent.

Figure	25 Sep	28 Sep	Change
At the money IV	64.2%	60.0%	-4.2 points
Open interest, strikes captured near the price	9,241	9,350	+109
Put/call ratio, open interest	1.21	1.23	+0.03

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, 1,545 STRL option contracts traded, 1.0 times its own recent average.

Figure	Value
Calls traded	795
Puts traded	750
Against its recent average	1.0 times
Busier than	4 of its last 20 trading days
Open interest, whole chain	11,198 contracts
Volume to open interest	0.14
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 STRL'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	532.76	minus $1.43 million	600	500
21 Sep 2026	512.64	minus $129,956	580	530
28 Sep 2026	498.36	minus $485,604	580	530

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 STRL was neutral, paper trading.

Figure	Value
Side	Neutral at 45 trading days, no signal
Level above the close	516.95, the swing high of 11 Sep 2026
Level below the close	485.00, the swing low of 24 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.

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Rank by Timeframe

On 25 Sep 2026 STRL sat at the 33rd percentile of the model's 45 trading day ranking, paper trading.

Timeframe	Percentile	Side
10 trading days	27 of 100	Neutral
20 trading days	25 of 100	Neutral
45 trading days	33 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 STRL's near timeframes were neutral and its long timeframe was neutral, paper trading.

Group	Timeframes	Side	On that side
Near	10 day, 20 day	Neutral	0 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 STRL had carried no signal for 8 trading days, paper trading.

Trading day	Signal	45 day percentile
25 Sep 2026	None	33 of 100
24 Sep 2026	None	45 of 100
23 Sep 2026	None	16 of 100
22 Sep 2026	None	6 of 100
21 Sep 2026	None	67 of 100
18 Sep 2026	None	58 of 100
17 Sep 2026	None	73 of 100
16 Sep 2026	None	25 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

STRL closed at 498.36 on 28 Sep 2026.

Figure	Value
Last close	498.36
Change over 5 trading days	-2.8%
Change over 21 trading days	-1.6%
Change over 63 trading days	-38.8%
Change over 252 trading days	+47.3%
52 week high	1,005.68
52 week low	281.58
20 day moving average	491.40
50 day moving average	536.29
200 day moving average	535.48
RSI, 14 days	46

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

STRL reports next on 2 Nov 2026, a date confirmed by the company.

Figure	Value
Next report	2 Nov 2026, after the close
Date	Confirmed by the company
Move after the report of 3 Aug 2026	-11.4%
Move after the report of 4 May 2026	+52.2%
Move after the report of 25 Feb 2026	-4.8%
Move after the report of 3 Nov 2025	-2.6%

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

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Public Filings

1 of the 10 fund managers the desk tracks list STRL among the top holdings of their latest quarterly report.

Fund manager
Renaissance Technologies

Every filing is reproduced as filed, and each one reaches the public days or weeks after the trade.

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

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Seasonality

In the 27 Septembers on record, STRL's average change was plus 6.7 percent, and it rose in 59.3 percent of them.

Month	Average change	Middle change	Share of years up	Years
September	+6.7%	+3.0%	59.3%	27
October	+1.7%	+3.8%	53.6%	28
November	+4.9%	+4.8%	60.7%	28

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 STRL 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 STRL's IV rank?: STRL's IV rank is 35 of 100 on 28 Sep 2026.
What move are STRL options pricing?: On 28 Sep 2026, STRL options priced a move of 13.2 percent down and 13.0 percent up by 16 Oct 2026.
Where are STRL's call wall and put wall?: On 28 Sep 2026, STRL's call wall is the 580 strike and its put wall is the 530 strike.
What was the desk's latest view of STRL on the Free plan?: On 25 Sep 2026 the desk's view of STRL was neutral, paper trading.
When does STRL report earnings next?: STRL reports next on 2 Nov 2026, a date confirmed by the company.

More Industrials names

Guides and the full list

Membership gets tonight's signals the night they publish. Free gets every options screen, never delayed, and the signals one trading day behind.

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Strike	Call open interest	Put open interest	Total
500	388	232	620
400	250	354	604
600	423	84	507
370	19	464	483
580	364	37	401
410	75	306	381

Strike	Call open interest	Put open interest	Total
500	388	232	620
400	250	354	604
600	423	84	507
370	19	464	483
580	364	37	401
410	75	306	381

Strike	Call open interest	Put open interest	Total
500	388	232	620
400	250	354	604
600	423	84	507
370	19	464	483
580	364	37	401
410	75	306	381