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Donnelley Financial Solutions DFIN

US equityMarket cap rank #3102Software - Application
$49.80 +$0.23 (+0.46%)
Pre-market · Oct 8, 8:30 am ET · After hours $49.80 0.00%
Open$49.24
Prev close$49.57
Day range$49.10 – $50.33
Volume240.8K
Market cap$1.22B
P/E (TTM)32.3
Dividend yield–

Average implied volatility across the listed chain right now: 76%. 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

20253545556575CallsPuts

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

-16%47%109%171%204575CallsPuts

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 $50.00 $1.70 $0.00/$4.90 0 0 59%
16 Oct 2026 $45.00 $4.94 $2.50/$7.00 0 0 0%
16 Oct 2026 $55.00 $0.36 $0.00/$4.90 0 31 61%
16 Oct 2026 $40.00 $9.58 $7.50/$12.20 0 0 62%
16 Oct 2026 $60.00 $0.05 $0.00/$4.90 0 2 62%
16 Oct 2026 $35.00 $14.57 $12.50/$17.10 0 4 0%
16 Oct 2026 $65.00 $0.00 $0.00/$4.90 0 0 62%
16 Oct 2026 $30.00 $19.57 $17.50/$22.10 0 3 0%
16 Oct 2026 $70.00 $0.00 $0.00/$4.90 0 0 62%
16 Oct 2026 $25.00 $24.57 $22.50/$27.10 0 0 0%
16 Oct 2026 $75.00 $0.00 $0.00/$4.90 0 0 70%
16 Oct 2026 $22.50 $27.07 $25.00/$29.60 0 1 0%
16 Oct 2026 $20.00 $29.57 $27.50/$32.10 0 0 0%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $50.00 $1.10 $0.00/$4.90 1 7 34%
16 Oct 2026 $45.00 $0.37 $0.00/$4.90 0 21 66%
16 Oct 2026 $55.00 $5.78 $3.20/$7.50 0 1 51%
16 Oct 2026 $40.00 $0.02 $0.00/$4.90 0 10 65%
16 Oct 2026 $60.00 $10.47 $7.70/$12.50 0 0 0%
16 Oct 2026 $35.00 $0.00 $0.00/$4.90 0 10 63%
16 Oct 2026 $65.00 $15.43 $12.70/$17.50 0 0 0%
16 Oct 2026 $30.00 $0.00 $0.00/$4.90 0 0 88%
16 Oct 2026 $70.00 $20.43 $17.70/$22.50 0 0 0%
16 Oct 2026 $25.00 $0.00 $0.00/$4.90 0 0 119%
16 Oct 2026 $75.00 $25.43 $22.70/$27.50 0 0 0%
16 Oct 2026 $22.50 $0.00 $0.00/$4.90 0 0 136%
16 Oct 2026 $20.00 $0.00 $0.00/$4.90 0 0 156%

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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