Industrials

Watsco, Inc. (WSO) options and signal

Figures as of 28 Sep 2026

WSO is Watsco, 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	94 of 100	28 Sep
At the money IV	38.7%	28 Sep
Priced move to 16 Oct	8.8% down, 7.3% up	28 Sep
Call wall and put wall	310 and 280	28 Sep
Signal and the desk's view	No signal, view bullish	25 Sep
Last close	313.22	28 Sep
Next report	28 Oct 2026	28 Sep

Options Snapshot

WSO's IV rank is 94 of 100 on 28 Sep 2026.

Figure	Value
IV rank	94 of 100
At the money IV	38.7%, near month, 18 days
Put/call ratio, open interest	0.16
Call open interest, strikes captured near the price	3,390 contracts
Put open interest, strikes captured near the price	550 contracts
Cost to trade at the money	Fair, 15.8% of the option's mid price

IV rank is where the at the money IV sits among WSO'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, WSO options priced a move of 8.8 percent down and 7.3 percent up by 16 Oct 2026.

Expiry	Days	Down	Up	Range
16 Oct 2026	18	8.8%	7.3%	285.62 to 336.22
20 Nov 2026	53	16.7%	14.6%	261.02 to 359.02
19 Feb 2027	144	26.1%	25.0%	231.32 to 391.52

The range is one standard deviation either side of the close of 313.22, 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, WSO's call wall is the 310 strike and its put wall is the 280 strike.

Figure	Value
Call wall, most open call gamma	310
Put wall, most open put gamma	280
Net dollar gamma, calls minus puts	$2.09 million
Total dollar gamma, both sides	$2.75 million
Close	313.22

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 2 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, WSO's at the money IV is 38.7 percent against 20 day realized volatility of 24.3 percent.

Figure	Value
At the money IV	38.7%
Realized volatility, 20 trading days	24.3%
Realized volatility, 60 trading days	40.8%
IV against its own weekly record	High, in the top fifth
Weekly readings on record	846, from 8 Jan 2010
Weeks the price moved more than the one week priced move	31.4% 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, WSO's at the money IV runs from 38.7 percent at 18 days to 40.8 percent at 144 days.

Days to expiry	At the money IV
18	38.7%
53	39.9%
144	40.8%

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, WSO's IV ten percent below the price sits 5.2 points above at the money IV.

Strike area	Implied volatility	Against at the money
10% below the price	45.2%	+5.2 points
At the money	39.9%	0.0 points
10% above the price	37.9%	-2.1 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, WSO's surface spans 3 expiries out to 144 days, with IV from 30.7 to 43.8 percent near the price.

Figure	Value
Expiries captured	3
Nearest expiry	16 Oct 2026, 18 days
Farthest expiry	19 Feb 2027, 144 days
Points within 10% of the price, 7 days out or more	18
Lowest IV among them	30.7%
Highest IV among them	43.8%

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, WSO has 3 captured expiries, from 16 Oct 2026 to 19 Feb 2027.

Expiry	Days	At the money IV	Call open interest	Put open interest
16 Oct 2026	18	38.7%	158	258
20 Nov 2026	53	39.9%	2,550	163
19 Feb 2027	144	40.8%	678	129

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, WSO's largest open interest sits at the 300 strike, with 1,259 contracts across the captured expiries.

Strike	Call open interest	Put open interest	Total
300	1,187	72	1,259
310	1,224	28	1,252
380	272	1	273
390	244	4	248
340	161	1	162
280	2	152	154

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, WSO's at the money IV moved from 36.2 percent to 38.7 percent.

Figure	25 Sep	28 Sep	Change
At the money IV	36.2%	38.7%	+2.5 points
Open interest, strikes captured near the price	3,943	3,936	-7
Put/call ratio, open interest	0.16	0.16	-0.00

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, 1,040 WSO option contracts traded, 1.0 times its own recent average.

Figure	Value
Calls traded	956
Puts traded	84
Against its recent average	1.0 times
Busier than	2 of its last 20 trading days
Open interest, whole chain	4,075 contracts
Volume to open interest	0.26
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 WSO'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	318.91	$2.36 million	310	330
21 Sep 2026	317.69	$1.79 million	310	280
28 Sep 2026	313.22	$2.09 million	310	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 WSO was bullish, paper trading.

Figure	Value
Side	Bullish at 45 trading days, no signal
Level above the close	318.30, the swing high of 11 Sep 2026
Level below the close	303.38, the swing low of 10 Sep 2026, a close past it runs against the view
The chart	Sits against 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 WSO sat at the 77th percentile of the model's 45 trading day ranking, paper trading.

Timeframe	Percentile	Side
10 trading days	24 of 100	Neutral
20 trading days	43 of 100	Neutral
45 trading days	77 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 WSO'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 WSO had carried no signal for at least 18 trading days, paper trading.

Trading day	Signal	45 day percentile
25 Sep 2026	None	77 of 100
24 Sep 2026	None	64 of 100
23 Sep 2026	None	59 of 100
22 Sep 2026	None	64 of 100
21 Sep 2026	None	66 of 100
18 Sep 2026	None	58 of 100
17 Sep 2026	None	93 of 100
16 Sep 2026	None	87 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, 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

WSO closed at 313.22 on 28 Sep 2026.

Figure	Value
Last close	313.22
Change over 5 trading days	-1.4%
Change over 21 trading days	+0.1%
Change over 63 trading days	-23.7%
Change over 252 trading days	-20.5%
52 week high	459.00
52 week low	295.75
20 day moving average	313.50
50 day moving average	322.19
200 day moving average	372.79
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

WSO reports next on 28 Oct 2026, a date worked out from past quarters.

Figure	Value
Next report	28 Oct 2026, before the open
Date	Worked out from past quarters
Move after the report of 29 Jul 2026	-2.9%
Move after the report of 30 Apr 2026	-2.1%
Move after the report of 28 Jan 2026	-0.5%
Move after the report of 23 Apr 2025	-11.3%

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

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Company Events

WSO filed 1 current report in the 14 days to 28 Sep 2026, the latest on 17 Sep 2026.

Filed	Report	What it covers
17 Sep 2026	Current report	Unregistered Sales of Equity Securities

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

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Seasonality

In the 23 Septembers on record, WSO's average change was plus 0.4 percent, and it rose in 60.9 percent of them.

Month	Average change	Middle change	Share of years up	Years
September	+0.4%	+1.8%	60.9%	23
October	+0.1%	+0.5%	52.2%	23
November	+3.3%	+3.0%	73.9%	23

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 WSO in the 3 days to 28 Sep 2026.

Figure	Value
Headlines in the window	1
Latest	26 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 WSO's IV rank?: WSO's IV rank is 94 of 100 on 28 Sep 2026.
What move are WSO options pricing?: On 28 Sep 2026, WSO options priced a move of 8.8 percent down and 7.3 percent up by 16 Oct 2026.
Where are WSO's call wall and put wall?: On 28 Sep 2026, WSO's call wall is the 310 strike and its put wall is the 280 strike.
What was the desk's latest view of WSO on the Free plan?: On 25 Sep 2026 the desk's view of WSO was bullish, paper trading.
When does WSO report earnings next?: WSO reports next on 28 Oct 2026, a date worked out from past quarters.

More Industrials names

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