Starling Oncology STLN
$3.62 −$3.08 (-45.97%)
Market closed · Nov 6, 8:10 pm ET · Last extended-hours $3.63 +0.28%
Open$6.06
Prev close$6.70
Day range$3.35 – $6.43
Volume23.92M
Market cap$369.21M
P/E (TTM)–
Dividend yield–
Average implied volatility across the listed chain right now: 353%. 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 | $4.00 | $0.05 | $0.00/$0.20 | 24,848 | 124 | 62% |
| 20 Nov 2026 | $3.00 | $0.67 | $0.40/$0.70 | 164 | 19 | 0% |
| 20 Nov 2026 | $5.00 | $0.10 | $0.00/$0.10 | 266 | 6,793 | 164% |
| 20 Nov 2026 | $2.00 | $4.70 | $1.20/$4.20 | 0 | 17 | 994% |
| 20 Nov 2026 | $6.00 | $0.05 | $0.00/$0.10 | 2,300 | 19,554 | 183% |
| 20 Nov 2026 | $1.00 | $5.70 | $2.10/$3.10 | 0 | 4 | 0% |
| 20 Nov 2026 | $7.00 | $0.01 | $0.00/$0.05 | 67 | 13,866 | 167% |
| 20 Nov 2026 | $8.00 | $0.20 | $0.00/$0.05 | 0 | 2,075 | 356% |
| 20 Nov 2026 | $9.00 | $0.08 | $0.00/$0.05 | 0 | 1,153 | 311% |
| 20 Nov 2026 | $10.00 | $0.03 | $0.00/$0.95 | 0 | 0 | 282% |
| 20 Nov 2026 | $11.00 | $0.01 | $0.00/$0.95 | 0 | 0 | 263% |
| 20 Nov 2026 | $12.50 | $0.00 | $0.00/$0.95 | 0 | 0 | 243% |
Puts
| Expiry | Strike | Last | Bid/Ask | Volume | Open interest | IV |
|---|---|---|---|---|---|---|
| 20 Nov 2026 | $4.00 | $0.40 | $0.00/$0.80 | 53 | 474 | 49% |
| 20 Nov 2026 | $3.00 | $0.05 | $0.00/$0.10 | 855 | 558 | 100% |
| 20 Nov 2026 | $5.00 | $1.15 | $1.15/$1.85 | 115 | 349 | 178% |
| 20 Nov 2026 | $2.00 | $0.00 | $0.00/$0.05 | 0 | 10 | 100% |
| 20 Nov 2026 | $6.00 | $2.50 | $2.30/$2.85 | 52 | 401 | 274% |
| 20 Nov 2026 | $1.00 | $0.00 | $0.00/$3.30 | 0 | 0 | 209% |
| 20 Nov 2026 | $7.00 | $0.93 | $2.95/$5.40 | 0 | 27 | 564% |
| 20 Nov 2026 | $8.00 | $4.50 | $4.10/$6.40 | 2 | 87 | 634% |
| 20 Nov 2026 | $9.00 | $2.57 | $4.80/$7.40 | 0 | 0 | 614% |
| 20 Nov 2026 | $10.00 | $3.52 | $5.80/$8.40 | 0 | 0 | 644% |
| 20 Nov 2026 | $11.00 | $4.50 | $6.80/$9.40 | 0 | 0 | 671% |
| 20 Nov 2026 | $12.50 | $5.99 | $8.30/$10.90 | 0 | 0 | 706% |
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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