Graham GHM
$78.02 +$5.92 (+8.21%)
Market closed · Nov 7, 9:10 am ET · Last extended-hours $78.02 0.00%
Open$77.00
Prev close$72.10
Day range$73.50 – $78.38
Volume273.7K
Market cap$915.80M
P/E (TTM)67.3
Dividend yield–
Average implied volatility across the listed chain right now: 91%. 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 | $80.00 | $2.20 | $0.05/$4.90 | 1 | 3 | 56% |
| 20 Nov 2026 | $75.00 | $2.17 | $3.60/$7.50 | 0 | 97 | 66% |
| 20 Nov 2026 | $85.00 | $1.00 | $0.10/$4.90 | 2 | 0 | 86% |
| 20 Nov 2026 | $70.00 | $4.59 | $6.50/$11.00 | 0 | 3 | 57% |
| 20 Nov 2026 | $90.00 | $0.26 | $0.00/$4.90 | 0 | 0 | 51% |
| 20 Nov 2026 | $65.00 | $9.13 | $11.00/$15.50 | 0 | 1 | 57% |
| 20 Nov 2026 | $95.00 | $0.10 | $0.00/$4.90 | 0 | 5 | 55% |
| 20 Nov 2026 | $60.00 | $13.87 | $15.70/$20.50 | 0 | 0 | 0% |
| 20 Nov 2026 | $100.00 | $0.04 | $0.00/$4.90 | 0 | 2 | 58% |
| 20 Nov 2026 | $55.00 | $18.61 | $20.60/$25.40 | 0 | 0 | 0% |
| 20 Nov 2026 | $105.00 | $0.01 | $0.00/$4.90 | 0 | 1 | 60% |
| 20 Nov 2026 | $50.00 | $23.34 | $25.50/$30.00 | 0 | 0 | 0% |
| 20 Nov 2026 | $110.00 | $0.00 | $0.00/$4.90 | 0 | 0 | 61% |
| 20 Nov 2026 | $115.00 | $0.00 | $0.00/$4.90 | 0 | 1 | 62% |
| 20 Nov 2026 | $120.00 | $0.00 | $0.00/$4.90 | 0 | 0 | 63% |
Puts
| Expiry | Strike | Last | Bid/Ask | Volume | Open interest | IV |
|---|---|---|---|---|---|---|
| 20 Nov 2026 | $80.00 | $9.80 | $3.00/$7.00 | 0 | 4 | 68% |
| 20 Nov 2026 | $75.00 | $5.58 | $0.65/$4.90 | 0 | 2 | 73% |
| 20 Nov 2026 | $85.00 | $14.02 | $6.50/$10.50 | 0 | 3 | 69% |
| 20 Nov 2026 | $70.00 | $2.98 | $0.00/$4.90 | 0 | 3 | 112% |
| 20 Nov 2026 | $90.00 | $18.66 | $10.10/$14.50 | 0 | 2 | 58% |
| 20 Nov 2026 | $65.00 | $2.49 | $0.00/$4.90 | 0 | 13 | 136% |
| 20 Nov 2026 | $95.00 | $23.50 | $15.00/$19.40 | 0 | 0 | 69% |
| 20 Nov 2026 | $60.00 | $2.21 | $0.00/$4.90 | 0 | 0 | 162% |
| 20 Nov 2026 | $100.00 | $28.43 | $20.00/$24.50 | 0 | 0 | 86% |
| 20 Nov 2026 | $55.00 | $1.93 | $0.00/$4.90 | 0 | 0 | 188% |
| 20 Nov 2026 | $105.00 | $33.40 | $25.00/$29.40 | 0 | 0 | 95% |
| 20 Nov 2026 | $50.00 | $1.65 | $0.00/$4.90 | 0 | 0 | 213% |
| 20 Nov 2026 | $110.00 | $38.38 | $30.00/$34.50 | 0 | 0 | 110% |
| 20 Nov 2026 | $115.00 | $43.37 | $35.00/$39.50 | 0 | 0 | 121% |
| 20 Nov 2026 | $120.00 | $48.36 | $40.00/$44.50 | 0 | 0 | 132% |
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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