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Federal Signal FSS

US equityMarket cap rank #1751
$116.43 +$0.09 (+0.08%)
Market closed · Oct 5, 8:10 pm ET · Last extended-hours $116.43 0.00%
Open$115.40
Prev close$116.34
Day range$114.79 – $119.03
Volume553.9K
Market cap$7.11B
P/E (TTM)25.1
Dividend yield0.50%

Average implied volatility across the listed chain right now: 64%. 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 $115.00 $4.15 $2.55/$5.60 0 16 41%
16 Oct 2026 $120.00 $1.73 $1.20/$2.45 0 39 40%
16 Oct 2026 $110.00 $7.30 $6.50/$9.00 0 20 46%
16 Oct 2026 $125.00 $0.58 $0.40/$1.10 0 34 41%
16 Oct 2026 $105.00 $11.58 $11.20/$14.00 0 1 62%
16 Oct 2026 $130.00 $0.16 $0.00/$0.95 0 283 38%
16 Oct 2026 $100.00 $16.37 $16.00/$18.80 0 0 76%
16 Oct 2026 $135.00 $0.04 $0.00/$1.75 0 2 38%
16 Oct 2026 $95.00 $21.34 $20.90/$23.80 0 0 93%
16 Oct 2026 $140.00 $0.01 $0.00/$2.15 0 0 38%
16 Oct 2026 $90.00 $26.34 $26.10/$28.40 0 0 108%
16 Oct 2026 $145.00 $0.00 $0.00/$1.75 0 0 38%
16 Oct 2026 $85.00 $31.34 $31.00/$33.80 0 0 133%
16 Oct 2026 $150.00 $0.00 $0.00/$0.75 0 0 38%
16 Oct 2026 $80.00 $36.34 $35.90/$38.70 0 0 149%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $115.00 $2.83 $0.80/$3.30 0 0 35%
16 Oct 2026 $120.00 $5.39 $3.80/$5.30 0 0 30%
16 Oct 2026 $110.00 $0.98 $0.20/$2.35 0 15 47%
16 Oct 2026 $125.00 $9.23 $7.00/$9.60 0 0 0%
16 Oct 2026 $105.00 $0.26 $0.00/$1.75 0 56 42%
16 Oct 2026 $130.00 $13.82 $11.60/$14.20 0 0 0%
16 Oct 2026 $100.00 $0.04 $0.00/$1.95 0 14 41%
16 Oct 2026 $135.00 $18.69 $16.70/$19.40 0 0 0%
16 Oct 2026 $95.00 $0.00 $0.00/$1.75 0 0 41%
16 Oct 2026 $140.00 $23.66 $22.00/$24.20 0 0 0%
16 Oct 2026 $90.00 $0.00 $0.00/$0.95 0 0 42%
16 Oct 2026 $145.00 $28.66 $26.30/$29.10 0 0 0%
16 Oct 2026 $85.00 $0.00 $0.00/$1.75 0 0 47%
16 Oct 2026 $150.00 $33.66 $31.30/$34.20 0 0 0%
16 Oct 2026 $80.00 $0.00 $0.00/$2.15 0 0 55%

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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