BeStock  

Groupon GRPN

US equityMarket cap rank #3461Internet Content & Information
$18.43 −$0.41 (-2.18%)
Pre-market · Oct 8, 8:10 am ET · After hours $18.45 +0.11%
Open$17.89
Prev close$18.84
Day range$17.50 – $18.52
Volume940.7K
Market cap$749.46M
P/E (TTM)–
Dividend yield–

Average implied volatility across the listed chain right now: 107%. 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

1.005.009.001317212529333740CallsPuts

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

-53%158%368%578%1.002040CallsPuts

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 $18.00 $0.80 $0.85/$1.30 927 2,807 76%
16 Oct 2026 $19.00 $0.43 $0.25/$0.75 73 798 66%
16 Oct 2026 $17.00 $1.13 $1.10/$2.00 5 55 51%
16 Oct 2026 $20.00 $0.20 $0.20/$0.40 19 1,423 74%
16 Oct 2026 $16.00 $3.04 $1.80/$3.30 0 85 76%
16 Oct 2026 $21.00 $0.15 $0.05/$0.30 1 599 80%
16 Oct 2026 $15.00 $3.00 $3.30/$3.70 10 3,103 87%
16 Oct 2026 $22.00 $0.08 $0.00/$0.10 3 863 80%
16 Oct 2026 $14.00 $4.98 $3.30/$5.40 0 236 0%
16 Oct 2026 $23.00 $0.05 $0.00/$0.10 3 2,721 86%
16 Oct 2026 $13.00 $5.96 $4.30/$6.40 0 18 0%
16 Oct 2026 $24.00 $0.02 $0.00/$0.15 0 479 82%
16 Oct 2026 $12.00 $6.93 $5.40/$6.90 0 658 0%
16 Oct 2026 $25.00 $0.01 $0.00/$0.05 0 1,425 81%
16 Oct 2026 $11.00 $7.91 $6.40/$8.40 0 13 0%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $18.00 $0.64 $0.45/$0.65 54 297 68%
16 Oct 2026 $19.00 $1.25 $0.80/$1.30 130 1,520 65%
16 Oct 2026 $17.00 $0.25 $0.05/$0.30 114 1,685 62%
16 Oct 2026 $20.00 $1.49 $1.60/$2.05 0 364 71%
16 Oct 2026 $16.00 $0.12 $0.00/$0.20 0 349 80%
16 Oct 2026 $21.00 $2.35 $2.50/$2.90 0 135 76%
16 Oct 2026 $15.00 $0.10 $0.00/$0.15 0 307 99%
16 Oct 2026 $22.00 $3.21 $3.20/$4.70 0 64 129%
16 Oct 2026 $14.00 $0.07 $0.00/$0.45 0 483 116%
16 Oct 2026 $23.00 $4.17 $4.10/$5.60 0 57 135%
16 Oct 2026 $13.00 $0.04 $0.00/$0.40 0 16 129%
16 Oct 2026 $24.00 $5.16 $5.10/$6.70 0 475 158%
16 Oct 2026 $12.00 $0.02 $0.00/$0.45 0 125 133%
16 Oct 2026 $25.00 $6.16 $6.30/$7.70 0 29 188%
16 Oct 2026 $11.00 $0.00 $0.00/$0.45 0 100 133%

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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