BeStock  

Pubmatic PUBM

US equityMarket cap rank #3365Software - Application
$18.57 +$0.22 (+1.20%)
Market closed · Oct 8, 7:40 am ET · Last extended-hours $18.94 +1.99%
Open$18.36
Prev close$18.35
Day range$18.28 – $18.73
Volume519.7K
Market cap$845.86M
P/E (TTM)–
Dividend yield–

Average implied volatility across the listed chain right now: 133%. 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.

Open interest by strike

2.507.501318233035CallsPuts

Nearest listed expiry only. Calls above the line, puts below — clusters mark strikes where the market has built up the most open positions.

Implied volatility by strike

-36%108%251%395%2.501535CallsPuts

The “volatility smile”: strikes far from the current price often price in richer implied volatility than at-the-money strikes.

Calls

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $17.50 $1.36 $1.35/$1.50 0 1,150 70%
16 Oct 2026 $20.00 $0.31 $0.25/$0.40 3 3,223 73%
16 Oct 2026 $15.00 $3.44 $3.10/$4.40 0 676 118%
16 Oct 2026 $22.50 $0.05 $0.05/$0.10 57 2,098 84%
16 Oct 2026 $12.50 $5.91 $5.90/$6.30 0 1,043 125%
16 Oct 2026 $25.00 $0.00 $0.00/$0.15 0 12 73%
16 Oct 2026 $10.00 $8.45 $8.40/$8.80 20 666 189%
16 Oct 2026 $7.50 $10.90 $10.10/$11.90 0 14 0%
16 Oct 2026 $30.00 $0.00 $0.00/$0.40 0 0 87%
16 Oct 2026 $5.00 $13.40 $12.60/$14.40 0 18 0%
16 Oct 2026 $2.50 $15.90 $15.10/$16.80 0 1 0%
16 Oct 2026 $35.00 $0.00 $0.00/$0.05 0 0 112%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $17.50 $0.45 $0.30/$0.45 0 206 74%
16 Oct 2026 $20.00 $1.89 $1.50/$2.25 0 2 87%
16 Oct 2026 $15.00 $0.03 $0.00/$0.20 0 908 80%
16 Oct 2026 $22.50 $4.16 $3.50/$4.70 0 0 106%
16 Oct 2026 $12.50 $0.00 $0.00/$0.40 0 482 81%
16 Oct 2026 $25.00 $6.65 $5.70/$7.40 0 0 134%
16 Oct 2026 $10.00 $0.00 $0.00/$0.40 0 250 114%
16 Oct 2026 $7.50 $0.00 $0.00/$0.40 0 3,429 164%
16 Oct 2026 $30.00 $11.65 $10.70/$12.40 0 0 192%
16 Oct 2026 $5.00 $0.00 $0.00/$0.40 0 95 236%
16 Oct 2026 $2.50 $0.00 $0.00/$0.05 0 0 359%
16 Oct 2026 $35.00 $16.65 $15.70/$17.40 0 0 237%

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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