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Ionis Pharmaceuticals IONS

US equityMarket cap rank #1735
$43.50 −$0.04 (-0.09%)
Market closed · Oct 5, 10:00 pm ET · Last extended-hours $43.57 +0.16%
Open$43.75
Prev close$43.54
Day range$42.63 – $43.96
Volume2.87M
Market cap$7.23B
P/E (TTM)–
Dividend yield–

Average implied volatility across the listed chain right now: 45%. 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.

Calls

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $42.50 $1.78 $0.40/$2.60 0 27 30%
16 Oct 2026 $45.00 $0.90 $0.70/$0.90 11 187 46%
16 Oct 2026 $40.00 $3.98 $3.70/$5.50 0 263 85%
16 Oct 2026 $47.50 $0.25 $0.00/$0.80 4 56 46%
16 Oct 2026 $37.50 $6.19 $4.80/$7.20 0 0 0%
16 Oct 2026 $50.00 $0.13 $0.10/$0.20 4 2,043 56%
16 Oct 2026 $35.00 $8.61 $6.90/$9.90 0 6 0%
16 Oct 2026 $52.50 $0.19 $0.05/$0.10 0 768 61%
16 Oct 2026 $55.00 $0.10 $0.00/$0.15 0 1,899 76%
16 Oct 2026 $57.50 $0.03 $0.00/$0.50 0 1,695 74%
16 Oct 2026 $60.00 $0.01 $0.00/$0.05 0 2,373 74%
16 Oct 2026 $62.50 $0.00 $0.00/$0.40 0 490 74%
16 Oct 2026 $65.00 $0.00 $0.00/$0.10 0 517 76%
16 Oct 2026 $67.50 $0.00 $0.00/$0.90 0 118 75%
16 Oct 2026 $70.00 $0.00 $0.00/$0.05 0 1,621 75%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $42.50 $0.68 $0.65/$1.25 0 573 48%
16 Oct 2026 $45.00 $2.32 $0.65/$3.10 0 851 32%
16 Oct 2026 $40.00 $0.18 $0.15/$0.35 3 3,313 47%
16 Oct 2026 $47.50 $4.78 $2.60/$5.90 1 147 49%
16 Oct 2026 $37.50 $0.08 $0.00/$0.30 0 73 54%
16 Oct 2026 $50.00 $6.65 $5.80/$8.30 21 863 83%
16 Oct 2026 $35.00 $0.01 $0.00/$0.95 0 4 54%
16 Oct 2026 $52.50 $9.09 $7.70/$10.70 0 3,322 79%
16 Oct 2026 $55.00 $11.95 $9.50/$13.50 732 546 1%
16 Oct 2026 $57.50 $13.96 $12.00/$16.00 0 271 1%
16 Oct 2026 $60.00 $16.46 $14.50/$18.50 0 527 1%
16 Oct 2026 $62.50 $18.96 $17.00/$21.00 0 2 1%
16 Oct 2026 $65.00 $21.46 $19.50/$23.50 0 0 1%
16 Oct 2026 $67.50 $23.96 $22.00/$26.00 0 200 1%
16 Oct 2026 $70.00 $26.46 $24.50/$28.50 0 0 1%

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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