Cogent Communications CCOI
$3.98 −$0.71 (-15.14%)
Market closed · Nov 6, 8:10 pm ET · Last extended-hours $4.00 +0.50%
Open$4.57
Prev close$4.69
Day range$3.56 – $4.57
Volume5.17M
Market cap$203.79M
P/E (TTM)–
Dividend yield2.01%
Average implied volatility across the listed chain right now: 269%. 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
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
The “volatility smile”: strikes far from the current price often price in richer implied volatility than at-the-money strikes.
Calls
| Expiry | Strike | Last | Bid/Ask | Volume | Open interest | IV |
|---|---|---|---|---|---|---|
| 20 Nov 2026 | $5.00 | $0.45 | $0.00/$0.15 | 0 | 89 | 254% |
| 20 Nov 2026 | $2.50 | $2.22 | $0.75/$2.75 | 0 | 0 | 333% |
| 20 Nov 2026 | $7.50 | $0.05 | $0.00/$0.05 | 3 | 292 | 206% |
| 20 Nov 2026 | $10.00 | $0.06 | $0.00/$0.10 | 1 | 313 | 281% |
| 20 Nov 2026 | $12.50 | $0.06 | $0.00/$0.50 | 0 | 433 | 327% |
| 20 Nov 2026 | $15.00 | $0.05 | $0.00/$1.30 | 0 | 38 | 351% |
| 20 Nov 2026 | $17.50 | $0.04 | $0.00/$1.55 | 0 | 3 | 371% |
Puts
| Expiry | Strike | Last | Bid/Ask | Volume | Open interest | IV |
|---|---|---|---|---|---|---|
| 20 Nov 2026 | $5.00 | $1.45 | $1.05/$1.50 | 10 | 713 | 190% |
| 20 Nov 2026 | $2.50 | $0.05 | $0.00/$0.20 | 25 | 0 | 186% |
| 20 Nov 2026 | $7.50 | $3.67 | $3.20/$3.90 | 7 | 308 | 195% |
| 20 Nov 2026 | $10.00 | $5.37 | $4.50/$6.90 | 0 | 60 | 0% |
| 20 Nov 2026 | $12.50 | $7.85 | $6.90/$9.40 | 0 | 3 | 0% |
| 20 Nov 2026 | $15.00 | $10.34 | $9.10/$12.30 | 0 | 0 | 0% |
| 20 Nov 2026 | $17.50 | $12.83 | $11.60/$14.80 | 0 | 0 | 0% |
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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