Cintas CTAS
$222.36 −$4.05 (-1.79%)
Market closed · Nov 6, 8:10 pm ET · Last extended-hours $222.36 0.00%
Open$220.35
Prev close$226.41
Day range$220.16 – $228.74
Volume1.77M
Market cap$88.29B
P/E (TTM)43.9
Dividend yield0.84%
Average implied volatility across the listed chain right now: 40%. 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 |
|---|---|---|---|---|---|---|
| 13 Nov 2026 | $222.50 | $3.50 | $2.85/$4.80 | 4 | 0 | 33% |
| 13 Nov 2026 | $220.00 | $6.82 | $1.10/$9.20 | 0 | 2 | 33% |
| 13 Nov 2026 | $225.00 | $3.77 | $1.90/$3.40 | 1 | 78 | 33% |
| 13 Nov 2026 | $217.50 | $8.98 | $2.25/$10.60 | 0 | 2 | 30% |
| 13 Nov 2026 | $227.50 | $3.44 | $0.20/$5.40 | 0 | 0 | 42% |
| 13 Nov 2026 | $215.00 | $11.41 | $4.30/$12.50 | 0 | 12 | 30% |
| 13 Nov 2026 | $230.00 | $2.76 | $0.55/$1.70 | 0 | 3 | 32% |
| 13 Nov 2026 | $212.50 | $13.91 | $6.30/$14.70 | 0 | 10 | 30% |
| 13 Nov 2026 | $232.50 | $2.09 | $0.15/$2.55 | 0 | 1 | 41% |
| 13 Nov 2026 | $210.00 | $16.41 | $8.50/$16.90 | 0 | 11 | 29% |
| 13 Nov 2026 | $235.00 | $0.51 | $0.00/$1.80 | 1 | 33 | 34% |
| 13 Nov 2026 | $207.50 | $18.91 | $11.40/$19.20 | 0 | 0 | 36% |
| 13 Nov 2026 | $237.50 | $1.43 | $0.00/$1.35 | 0 | 1 | 53% |
| 13 Nov 2026 | $205.00 | $21.41 | $14.20/$21.70 | 0 | 4 | 45% |
| 13 Nov 2026 | $240.00 | $0.28 | $0.05/$0.95 | 7 | 12 | 43% |
Puts
| Expiry | Strike | Last | Bid/Ask | Volume | Open interest | IV |
|---|---|---|---|---|---|---|
| 13 Nov 2026 | $222.50 | $3.03 | $2.25/$8.50 | 1 | 2 | 47% |
| 13 Nov 2026 | $220.00 | $1.36 | $0.35/$7.00 | 0 | 2 | 43% |
| 13 Nov 2026 | $225.00 | $7.00 | $4.30/$5.90 | 3 | 28 | 32% |
| 13 Nov 2026 | $217.50 | $0.78 | $0.25/$5.20 | 0 | 1 | 43% |
| 13 Nov 2026 | $227.50 | $5.94 | $5.90/$10.00 | 0 | 0 | 44% |
| 13 Nov 2026 | $215.00 | $1.00 | $0.15/$3.60 | 1 | 13 | 42% |
| 13 Nov 2026 | $230.00 | $7.80 | $4.60/$12.80 | 0 | 0 | 33% |
| 13 Nov 2026 | $212.50 | $0.20 | $0.05/$2.50 | 0 | 0 | 42% |
| 13 Nov 2026 | $232.50 | $9.67 | $6.90/$15.00 | 0 | 4 | 36% |
| 13 Nov 2026 | $210.00 | $0.80 | $0.15/$1.15 | 1 | 5 | 39% |
| 13 Nov 2026 | $235.00 | $11.86 | $9.00/$17.20 | 0 | 0 | 36% |
| 13 Nov 2026 | $207.50 | $0.04 | $0.20/$2.25 | 0 | 0 | 54% |
| 13 Nov 2026 | $237.50 | $14.06 | $12.80/$18.10 | 0 | 0 | 37% |
| 13 Nov 2026 | $205.00 | $0.01 | $0.05/$4.40 | 0 | 5 | 75% |
| 13 Nov 2026 | $240.00 | $16.54 | $13.80/$22.10 | 0 | 0 | 42% |
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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