BeStock  

Fulgent Genetics FLGT

US equityMarket cap rank #3662Diagnostics & Research
$20.57 −$0.01 (-0.05%)
Pre-market · Oct 8, 8:20 am ET · After hours $20.57 0.00%
Open$20.48
Prev close$20.58
Day range$19.90 – $20.70
Volume298.3K
Market cap$565.99M
P/E (TTM)–
Dividend yield–

Average implied volatility across the listed chain right now: 193%. 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

2.507.501318233035CallsPuts

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

-73%220%513%806%2.501535CallsPuts

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 $20.00 $0.60 $0.50/$1.65 2 452 61%
16 Oct 2026 $22.50 $0.43 $0.00/$0.80 0 374 87%
16 Oct 2026 $17.50 $3.19 $2.00/$4.80 0 100 115%
16 Oct 2026 $25.00 $0.15 $0.00/$0.30 0 46 98%
16 Oct 2026 $15.00 $5.63 $3.60/$7.50 0 66 0%
16 Oct 2026 $12.50 $8.13 $6.00/$9.70 0 7 0%
16 Oct 2026 $30.00 $0.02 $0.00/$0.20 0 110 114%
16 Oct 2026 $10.00 $10.63 $8.60/$12.70 0 42 259%
16 Oct 2026 $7.50 $13.12 $11.10/$15.20 0 8 353%
16 Oct 2026 $35.00 $0.00 $0.00/$0.40 0 1 126%
16 Oct 2026 $5.00 $15.62 $13.60/$17.80 0 0 535%
16 Oct 2026 $2.50 $18.12 $16.00/$20.30 0 1 732%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $20.00 $0.60 $0.00/$1.40 0 182 70%
16 Oct 2026 $22.50 $2.29 $0.60/$3.40 0 37 48%
16 Oct 2026 $17.50 $0.06 $0.00/$0.05 0 61 71%
16 Oct 2026 $25.00 $4.53 $3.10/$5.90 0 0 86%
16 Oct 2026 $15.00 $0.00 $0.00/$1.35 0 58 71%
16 Oct 2026 $12.50 $0.00 $0.00/$1.55 0 6 92%
16 Oct 2026 $30.00 $9.42 $8.20/$10.60 0 0 0%
16 Oct 2026 $10.00 $0.00 $0.00/$2.15 0 5 131%
16 Oct 2026 $7.50 $0.00 $0.00/$2.15 0 0 182%
16 Oct 2026 $35.00 $14.42 $12.20/$16.50 0 0 0%
16 Oct 2026 $5.00 $0.00 $0.00/$2.15 0 0 253%
16 Oct 2026 $2.50 $0.00 $0.00/$0.05 0 0 376%

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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