Average implied volatility across the listed chain right now: 76%. 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.
| Expiry | Strike | Last | Bid/Ask | Volume | Open interest | IV |
|---|---|---|---|---|---|---|
| 16 Oct 2026 | $65.00 | $2.58 | $1.10/$2.05 | 0 | 0 | 29% |
| 16 Oct 2026 | $70.00 | $0.85 | $0.00/$0.85 | 0 | 57 | 54% |
| 16 Oct 2026 | $60.00 | $6.85 | $4.50/$7.10 | 0 | 0 | 44% |
| 16 Oct 2026 | $75.00 | $0.29 | $0.00/$0.95 | 0 | 33 | 59% |
| 16 Oct 2026 | $55.00 | $11.80 | $9.40/$12.10 | 0 | 0 | 70% |
| 16 Oct 2026 | $80.00 | $0.11 | $0.00/$0.60 | 0 | 2 | 65% |
| 16 Oct 2026 | $50.00 | $16.79 | $13.80/$17.80 | 0 | 0 | 104% |
| 16 Oct 2026 | $85.00 | $0.04 | $0.00/$2.15 | 0 | 0 | 70% |
| 16 Oct 2026 | $45.00 | $21.78 | $18.80/$22.80 | 0 | 0 | 137% |
| 16 Oct 2026 | $90.00 | $0.02 | $0.00/$2.15 | 0 | 0 | 74% |
| 16 Oct 2026 | $40.00 | $26.78 | $24.00/$27.80 | 0 | 0 | 185% |
| 16 Oct 2026 | $95.00 | $0.01 | $0.00/$2.15 | 0 | 1 | 78% |
| 16 Oct 2026 | $35.00 | $31.77 | $28.80/$32.80 | 0 | 0 | 214% |
| 16 Oct 2026 | $100.00 | $0.00 | $0.00/$0.65 | 0 | 0 | 82% |
| 16 Oct 2026 | $105.00 | $0.00 | $0.00/$2.15 | 0 | 0 | 85% |
| Expiry | Strike | Last | Bid/Ask | Volume | Open interest | IV |
|---|---|---|---|---|---|---|
| 16 Oct 2026 | $65.00 | $1.00 | $0.80/$1.10 | 12 | 429 | 27% |
| 16 Oct 2026 | $70.00 | $4.28 | $4.00/$5.40 | 1 | 23 | 34% |
| 16 Oct 2026 | $60.00 | $0.04 | $0.00/$0.40 | 0 | 7 | 29% |
| 16 Oct 2026 | $75.00 | $8.52 | $8.10/$10.30 | 0 | 2 | 0% |
| 16 Oct 2026 | $55.00 | $0.00 | $0.00/$2.15 | 0 | 0 | 31% |
| 16 Oct 2026 | $80.00 | $13.37 | $12.30/$16.10 | 0 | 0 | 0% |
| 16 Oct 2026 | $50.00 | $0.00 | $0.00/$2.15 | 0 | 0 | 43% |
| 16 Oct 2026 | $85.00 | $18.34 | $17.30/$21.10 | 0 | 0 | 0% |
| 16 Oct 2026 | $45.00 | $0.00 | $0.00/$2.15 | 0 | 0 | 59% |
| 16 Oct 2026 | $90.00 | $23.34 | $22.30/$26.10 | 0 | 0 | 0% |
| 16 Oct 2026 | $40.00 | $0.00 | $0.00/$2.15 | 0 | 0 | 76% |
| 16 Oct 2026 | $95.00 | $28.34 | $27.30/$31.10 | 0 | 0 | 0% |
| 16 Oct 2026 | $35.00 | $0.00 | $0.00/$2.15 | 0 | 0 | 96% |
| 16 Oct 2026 | $100.00 | $33.34 | $32.30/$36.10 | 0 | 0 | 0% |
| 16 Oct 2026 | $105.00 | $38.34 | $37.30/$41.10 | 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.
No comments yet — be the first to weigh in on GRBK.