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QuidelOrtho QDEL

US equityMarket cap rank #3366
$12.25 −$0.06 (-0.49%)
Market open · Oct 8, 11:40 am ET · After hours $12.51 +1.62%
Open$12.26
Prev close$12.31
Day range$11.72 – $12.32
Volume428.7K
Market cap$840.05M
P/E (TTM)–
Dividend yield–

Average implied volatility across the listed chain right now: 251%. 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

2.507.501318232830CallsPuts

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

-105%316%737%1158%2.501530CallsPuts

The “volatility smile”: strikes far from the current price often price in richer implied volatility than at-the-money strikes.

Calls

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $12.50 $0.53 $0.10/$0.70 0 304 87%
16 Oct 2026 $10.00 $2.40 $1.45/$2.60 0 2 93%
16 Oct 2026 $15.00 $0.18 $0.00/$0.20 0 203 134%
16 Oct 2026 $7.50 $4.88 $3.90/$5.70 0 0 307%
16 Oct 2026 $17.50 $0.08 $0.00/$0.75 0 1 157%
16 Oct 2026 $5.00 $7.38 $6.20/$8.90 0 0 608%
16 Oct 2026 $20.00 $0.04 $0.00/$0.75 0 10 174%
16 Oct 2026 $2.50 $9.88 $8.70/$11.40 0 0 1,052%
16 Oct 2026 $22.50 $0.02 $0.00/$0.95 0 0 188%
16 Oct 2026 $25.00 $0.01 $0.00/$0.95 0 0 200%
16 Oct 2026 $27.50 $0.01 $0.00/$0.75 0 1 210%
16 Oct 2026 $30.00 $0.00 $0.00/$0.95 0 0 219%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $12.50 $0.64 $0.65/$1.15 0 61 80%
16 Oct 2026 $10.00 $0.02 $0.00/$0.75 0 303 67%
16 Oct 2026 $15.00 $2.81 $2.30/$3.50 0 0 0%
16 Oct 2026 $7.50 $0.00 $0.00/$0.75 0 2 90%
16 Oct 2026 $17.50 $5.22 $4.60/$6.20 0 3 0%
16 Oct 2026 $5.00 $0.00 $0.00/$0.75 0 0 165%
16 Oct 2026 $20.00 $7.69 $7.00/$8.90 0 0 0%
16 Oct 2026 $2.50 $0.00 $0.00/$1.15 0 0 291%
16 Oct 2026 $22.50 $10.19 $9.40/$11.30 0 0 0%
16 Oct 2026 $25.00 $12.69 $11.50/$14.30 0 0 0%
16 Oct 2026 $27.50 $15.19 $14.20/$16.60 0 0 0%
16 Oct 2026 $30.00 $17.69 $16.50/$20.10 0 0 390%

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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