Cencora COR
$333.56 −$6.12 (-1.80%)
Pre-market · Nov 9, 4:40 am ET · After hours $333.56 0.00%
Open$333.61
Prev close$339.68
Day range$332.67 – $338.54
Volume1.68M
Market cap$63.65B
P/E (TTM)18.6
Dividend yield0.72%
Average implied volatility across the listed chain right now: 48%. 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 | $330.00 | $14.78 | $8.90/$12.20 | 0 | 119 | 35% |
| 20 Nov 2026 | $340.00 | $6.80 | $4.20/$7.70 | 38 | 122 | 36% |
| 20 Nov 2026 | $320.00 | $22.86 | $16.30/$19.10 | 0 | 390 | 39% |
| 20 Nov 2026 | $350.00 | $4.60 | $2.00/$4.60 | 0 | 252 | 38% |
| 20 Nov 2026 | $310.00 | $31.32 | $24.50/$26.90 | 0 | 242 | 40% |
| 20 Nov 2026 | $360.00 | $2.98 | $0.80/$1.70 | 0 | 198 | 35% |
| 20 Nov 2026 | $300.00 | $41.01 | $32.00/$36.40 | 0 | 17 | 33% |
| 20 Nov 2026 | $370.00 | $1.52 | $0.00/$4.10 | 0 | 291 | 46% |
| 20 Nov 2026 | $290.00 | $50.76 | $42.00/$46.30 | 0 | 137 | 40% |
| 20 Nov 2026 | $380.00 | $0.69 | $0.00/$4.90 | 0 | 324 | 45% |
| 20 Nov 2026 | $280.00 | $60.57 | $52.10/$55.60 | 0 | 3 | 0% |
| 20 Nov 2026 | $390.00 | $0.29 | $0.00/$4.00 | 0 | 312 | 45% |
| 20 Nov 2026 | $270.00 | $70.42 | $61.50/$66.00 | 0 | 1 | 0% |
| 20 Nov 2026 | $400.00 | $0.11 | $0.00/$4.90 | 0 | 34 | 44% |
| 20 Nov 2026 | $260.00 | $80.31 | $71.50/$76.00 | 0 | 6 | 0% |
Puts
| Expiry | Strike | Last | Bid/Ask | Volume | Open interest | IV |
|---|---|---|---|---|---|---|
| 20 Nov 2026 | $330.00 | $5.97 | $5.10/$8.20 | 3 | 535 | 36% |
| 20 Nov 2026 | $340.00 | $10.70 | $10.10/$13.30 | 2 | 41 | 35% |
| 20 Nov 2026 | $320.00 | $2.85 | $2.60/$3.80 | 3 | 717 | 36% |
| 20 Nov 2026 | $350.00 | $17.20 | $17.20/$20.00 | 1 | 5 | 34% |
| 20 Nov 2026 | $310.00 | $1.28 | $1.20/$1.85 | 0 | 427 | 38% |
| 20 Nov 2026 | $360.00 | $23.08 | $26.10/$29.00 | 0 | 1 | 37% |
| 20 Nov 2026 | $300.00 | $0.98 | $0.00/$1.20 | 0 | 151 | 44% |
| 20 Nov 2026 | $370.00 | $31.70 | $35.00/$39.00 | 0 | 1 | 41% |
| 20 Nov 2026 | $290.00 | $0.73 | $0.05/$5.00 | 0 | 71 | 70% |
| 20 Nov 2026 | $380.00 | $40.96 | $44.60/$49.00 | 0 | 0 | 46% |
| 20 Nov 2026 | $280.00 | $0.54 | $0.05/$0.80 | 0 | 91 | 55% |
| 20 Nov 2026 | $390.00 | $50.62 | $54.70/$59.00 | 0 | 0 | 54% |
| 20 Nov 2026 | $270.00 | $0.39 | $0.00/$5.00 | 0 | 16 | 63% |
| 20 Nov 2026 | $400.00 | $60.49 | $64.50/$69.00 | 0 | 0 | 59% |
| 20 Nov 2026 | $260.00 | $0.28 | $0.00/$5.00 | 0 | 41 | 69% |
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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