Gilead Sciences GILD
US equityMarket cap rank #82Drug Manufacturers - GeneralCAR-T TherapyInfectious DiseaseCancer Research
$166.89 −$0.68 (-0.41%)
Market closed · Nov 6, 8:20 pm ET · Last extended-hours $166.89 0.00%
Open$164.11
Prev close$167.57
Day range$164.00 – $169.06
Volume5.82M
Market cap$207.00B
P/E (TTM)–
Dividend yield1.95%
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 |
|---|---|---|---|---|---|---|
| 13 Nov 2026 | $167.50 | $3.41 | $2.65/$4.65 | 54 | 21 | 45% |
| 13 Nov 2026 | $165.00 | $4.40 | $4.00/$4.85 | 50 | 135 | 39% |
| 13 Nov 2026 | $170.00 | $2.10 | $0.29/$3.00 | 14 | 105 | 34% |
| 13 Nov 2026 | $162.50 | $6.95 | $4.10/$8.10 | 21 | 23 | 40% |
| 13 Nov 2026 | $172.50 | $1.48 | $0.00/$1.99 | 24 | 76 | 41% |
| 13 Nov 2026 | $160.00 | $8.68 | $6.30/$10.00 | 6 | 30 | 43% |
| 13 Nov 2026 | $175.00 | $0.75 | $0.00/$2.58 | 5 | 55 | 38% |
| 13 Nov 2026 | $157.50 | $11.00 | $8.15/$12.15 | 2 | 35 | 43% |
| 13 Nov 2026 | $177.50 | $0.77 | $0.18/$1.15 | 6 | 614 | 43% |
| 13 Nov 2026 | $155.00 | $13.75 | $10.50/$14.40 | 1 | 45 | 46% |
| 13 Nov 2026 | $180.00 | $0.25 | $0.14/$0.41 | 50 | 64 | 40% |
| 13 Nov 2026 | $152.50 | $16.94 | $12.85/$16.80 | 0 | 14 | 49% |
| 13 Nov 2026 | $182.50 | $0.61 | $0.05/$0.95 | 0 | 9 | 52% |
| 13 Nov 2026 | $150.00 | $18.30 | $15.20/$19.20 | 13 | 28 | 50% |
| 13 Nov 2026 | $149.00 | $20.39 | $16.15/$20.20 | 0 | 7 | 52% |
Puts
| Expiry | Strike | Last | Bid/Ask | Volume | Open interest | IV |
|---|---|---|---|---|---|---|
| 13 Nov 2026 | $167.50 | $3.45 | $3.10/$3.75 | 36 | 300 | 37% |
| 13 Nov 2026 | $165.00 | $2.41 | $1.99/$2.83 | 24 | 32 | 39% |
| 13 Nov 2026 | $170.00 | $4.94 | $2.88/$6.65 | 9 | 17 | 35% |
| 13 Nov 2026 | $162.50 | $1.64 | $1.22/$1.74 | 120 | 20 | 38% |
| 13 Nov 2026 | $172.50 | $6.92 | $4.65/$8.50 | 0 | 14 | 35% |
| 13 Nov 2026 | $160.00 | $0.86 | $0.00/$2.97 | 1 | 49 | 38% |
| 13 Nov 2026 | $175.00 | $10.43 | $6.65/$10.35 | 2 | 6 | 33% |
| 13 Nov 2026 | $157.50 | $0.56 | $0.36/$2.00 | 88 | 95 | 53% |
| 13 Nov 2026 | $177.50 | $10.61 | $8.90/$12.90 | 0 | 6 | 37% |
| 13 Nov 2026 | $155.00 | $0.38 | $0.00/$1.01 | 33 | 64 | 43% |
| 13 Nov 2026 | $180.00 | $12.66 | $11.25/$15.05 | 0 | 1 | 33% |
| 13 Nov 2026 | $152.50 | $0.23 | $0.04/$0.35 | 1 | 125 | 43% |
| 13 Nov 2026 | $182.50 | $15.15 | $13.65/$17.65 | 0 | 0 | 38% |
| 13 Nov 2026 | $150.00 | $1.22 | $0.00/$2.24 | 0 | 27 | 79% |
| 13 Nov 2026 | $149.00 | $1.20 | $0.00/$2.22 | 0 | 8 | 82% |
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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