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Comfort Systems USA FIX

US equityMarket cap rank #282Engineering & Construction
$1,641.36
+$15.46 (+0.95%)
Market open · Sep 24, 2:00 pm ET
After hours $1,629.00 +0.19%
Open$1,580.26
Prev close$1,625.90
Day range$1,570.00 – $1,663.59
Volume116.4K
Market cap$57.77B
P/E (TTM)40.4
Dividend yield0.16%

Average implied volatility across the listed chain right now: 54%. Implied volatility measures how big a price swing the options market is pricing in — there is no fixed “normal” level, it varies a lot by stock.

Calls

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $1,620.00 $91.62 $108.00/$122.50 2 71 54%
16 Oct 2026 $1,640.00 $102.80 $98.10/$108.10 17 41 53%
16 Oct 2026 $1,600.00 $99.37 $120.00/$134.10 5 28 54%
16 Oct 2026 $1,660.00 $76.20 $89.00/$99.00 4 32 53%
16 Oct 2026 $1,580.00 $117.50 $130.00/$145.20 35 13 54%
16 Oct 2026 $1,680.00 $70.79 $80.30/$90.30 210 46 53%
16 Oct 2026 $1,560.00 $102.28 $144.50/$160.50 0 28 55%
16 Oct 2026 $1,700.00 $65.00 $70.80/$80.80 24 96 52%
16 Oct 2026 $1,540.00 $113.22 $157.90/$173.80 0 21 56%
16 Oct 2026 $1,720.00 $55.00 $62.60/$72.60 9 28 52%
16 Oct 2026 $1,520.00 $162.55 $172.10/$187.90 1 8 56%
16 Oct 2026 $1,740.00 $49.16 $54.30/$64.30 6 79 51%
16 Oct 2026 $1,500.00 $136.02 $186.20/$202.00 0 104 56%
16 Oct 2026 $1,490.00 $141.79 $193.80/$208.90 0 5 56%
16 Oct 2026 $1,760.00 $42.00 $47.40/$57.40 2 18 51%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $1,620.00 $89.90 $72.00/$82.00 6 79 52%
16 Oct 2026 $1,640.00 $100.00 $81.50/$91.50 2 46 52%
16 Oct 2026 $1,600.00 $73.00 $63.70/$73.70 4 22 53%
16 Oct 2026 $1,660.00 $120.40 $91.20/$101.20 1 106 52%
16 Oct 2026 $1,580.00 $76.20 $55.40/$65.40 1 9 53%
16 Oct 2026 $1,680.00 $152.80 $102.00/$116.50 0 48 53%
16 Oct 2026 $1,560.00 $59.00 $49.90/$59.80 243 52 54%
16 Oct 2026 $1,700.00 $125.21 $112.00/$125.50 3 15 52%
16 Oct 2026 $1,540.00 $60.77 $43.10/$53.10 8 65 54%
16 Oct 2026 $1,720.00 $147.50 $124.00/$137.90 11 106 52%
16 Oct 2026 $1,520.00 $51.10 $36.70/$46.70 12 111 54%
16 Oct 2026 $1,740.00 $196.61 $136.00/$151.20 0 82 52%
16 Oct 2026 $1,500.00 $37.60 $30.60/$40.60 10 47 54%
16 Oct 2026 $1,490.00 $42.20 $28.50/$38.40 2 18 55%
16 Oct 2026 $1,760.00 $212.55 $150.00/$163.90 0 11 52%

Open interest = contracts currently outstanding (not yet closed out). Higher open interest generally means a strike/expiry is more actively traded and easier to get in and out of.

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