Comfort Systems USA (FIX) Options Chain

NYSE: FIXIndustrialsEngineering & ConstructionUSD

1,715.69+9.30 (+0.55%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Dec 17, 2027
Days to expiration: 433
Share price: $1,715.69
Put/call ratio (OI): 1.53
Put/call ratio (volume): 2.76
ATM implied volatility: 0.1%
Expected move: ±$0.9343
Open interest (C / P): 365 / 560

FIX options summary

The FIX options chain for the December 17, 2027 expiration lists 41 call and 31 put contracts, with 433 days until expiration. Open interest stands at 365 calls and 560 puts, a put/call ratio of 1.53, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $1,720.00 strike is 0.1%, which implies the market expects a move of about ±$0.9343 (0.1%) in Comfort Systems USA stock by expiration.

The most open interest sits at the $2,200.00 call (127 contracts) and the $840.00 put (200 contracts).

Summary generated from market data by MetaCap's automated system. Methodology

FIX options chain · December 17, 2027

FIX calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
—	—	—	—	—	—	800.00	28.00	48.00	34.20	57.3%	4	4
1	2	73.1%	895.00	972.00	992.00	820.00	—	—	—	—	—	—
1	—	72.5%	889.00	956.00	976.00	840.00	34.00	54.00	42.25	56.6%	22	200
6	1	71.8%	887.05	940.00	960.00	860.00	38.00	58.00	47.00	56.6%	8	18
4	1	71.7%	840.00	926.00	946.00	880.00	42.00	62.00	51.70	56.5%	8	7
1	—	71.0%	919.00	910.00	930.00	900.00	46.00	66.00	56.60	56.3%	6	3
0	—	—	1,016.00	0.00	0.00	920.00	—	—	—	—	—	—
—	—	—	—	—	—	940.00	0.00	0.00	88.98	12.5%	—	0
0	—	—	1,035.00	0.00	0.00	960.00	—	—	—	—	—	—
0	3	—	974.00	0.00	0.00	980.00	—	—	—	—	—	—
1	—	69.2%	708.00	838.00	858.00	1,000.00	72.00	86.00	118.60	55.6%	1	3
0	—	—	890.00	0.00	0.00	1,020.00	—	—	—	—	—	—
—	—	—	—	—	—	1,100.00	94.00	114.00	148.54	54.3%	1	2
—	—	—	—	—	—	1,160.00	112.00	132.00	114.90	53.8%	4	12
8	2	66.3%	628.00	718.00	736.00	1,180.00	122.00	136.30	134.20	53.8%	22	42
—	—	—	—	—	—	1,200.00	126.00	144.00	119.70	53.5%	6	3
2	4	65.9%	640.00	694.00	712.00	1,220.00	—	—	—	—	—	—
1	—	64.9%	558.00	646.00	664.00	1,300.00	162.00	180.00	170.00	52.8%	4	6
—	—	—	—	—	—	1,320.00	170.00	188.00	226.24	52.7%	2	2
—	—	—	—	—	—	1,340.00	178.00	196.00	252.72	52.5%	1	2
2	1	64.2%	514.00	594.00	608.10	1,400.00	206.00	220.20	209.00	52.3%	3	17
—	—	—	—	—	—	1,420.00	212.00	230.00	286.00	52.0%	—	1
1	—	63.9%	542.00	572.00	590.00	1,440.00	220.00	240.00	280.00	51.9%	—	1
10	8	63.5%	468.00	542.00	560.00	1,500.00	248.00	268.00	320.00	51.6%	1	16
—	—	—	—	—	—	1,540.00	268.00	288.00	363.80	51.4%	—	10
1	1	62.9%	519.00	504.00	522.00	1,580.00	288.00	308.00	313.06	51.2%	31	32
6	1	62.8%	516.38	494.00	514.00	1,600.00	298.00	318.00	387.10	51.0%	2	8
0	—	—	500.00	0.00	0.00	1,620.00	—	—	—	—	—	—
—	—	—	—	—	—	1,640.00	0.00	0.00	421.00	0.8%	10	0
3	1	62.3%	443.20	468.00	486.00	1,660.00	—	—	—	—	—	—
—	—	—	—	—	—	1,680.00	0.00	0.00	413.00	0.4%	—	0
2	1	62.1%	452.88	452.00	470.00	1,700.00	352.00	372.00	372.10	50.4%	1	12
FIX $1,715.69
0	—	0.1%	496.00	0.00	0.00	1,720.00	—	—	—	—	—	—
0	—	0.2%	512.00	0.00	0.00	1,740.00	—	—	—	—	—	—
1	1	61.7%	508.00	420.00	438.00	1,780.00	398.00	416.00	370.00	51.0%	1	1
—	—	—	—	—	—	1,800.00	410.00	428.00	418.80	50.9%	1	3
1	1	61.5%	427.00	398.00	416.00	1,840.00	434.00	451.10	436.11	50.5%	1	2
3	2	61.3%	415.90	384.00	402.00	1,880.00	—	—	—	—	—	—
—	—	—	—	—	—	1,920.00	482.00	502.00	486.80	50.2%	1	151
12	2	60.7%	326.30	342.00	362.00	2,000.00	—	—	—	—	—	—
8	1	60.4%	330.00	312.00	332.00	2,100.00	—	—	—	—	—	—
3	2	60.0%	329.00	294.00	314.00	2,160.00	0.00	0.00	729.30	—	—	0
127	2	59.8%	274.00	284.00	302.00	2,200.00	—	—	—	—	—	—
1	—	59.8%	280.20	278.00	298.00	2,220.00	0.00	0.00	753.50	—	—	0
1	—	59.6%	275.80	272.00	292.00	2,240.00	—	—	—	—	—	—
53	2	59.6%	271.00	268.00	286.00	2,260.00	—	—	—	—	—	—
1	—	59.5%	267.10	262.00	282.00	2,280.00	—	—	—	—	—	—
2	4	59.4%	262.00	258.00	276.00	2,300.00	744.00	764.00	902.60	47.5%	—	2
66	2	59.2%	250.00	244.00	262.00	2,360.00	—	—	—	—	—	—
6	1	59.1%	233.00	234.00	254.00	2,400.00	—	—	—	—	—	—
2	—	59.0%	233.83	230.00	248.00	2,420.00	—	—	—	—	—	—
1	—	58.8%	234.50	220.00	240.00	2,460.00	—	—	—	—	—	—
11	1	58.8%	216.00	216.00	236.00	2,480.00	—	—	—	—	—	—
16	4	58.7%	241.28	212.00	232.00	2,500.00	—	—	—	—	—	—

In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.

Frequently asked questions

What is the FIX put/call ratio?

For the December 17, 2027 expiration, the FIX put/call ratio based on open interest is 1.53 (560 puts vs 365 calls), and 2.76 based on today's volume. A ratio above 1 means more puts than calls.

What is FIX's implied volatility?

At-the-money implied volatility for FIX options expiring December 17, 2027 is about 0.1%, an annualized estimate of how much the market expects Comfort Systems USA stock to move.

How many FIX option expiration dates are there?

FIX has 9 listed expiration dates, from Oct 16, 2026 to Jan 19, 2029.

What does "in the money" mean?

A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.