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First Financial THFF

US equityMarket cap rank #3336
$73.42 −$0.97 (-1.30%)
Market closed · Oct 8, 4:10 am ET · Last extended-hours $73.42 0.00%
Open$73.38
Prev close$74.39
Day range$73.03 – $73.89
Volume128.9K
Market cap$873.10M
P/E (TTM)10.3
Dividend yield2.98%

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

455565758595105115120CallsPuts

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

-19%58%136%214%4580120CallsPuts

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 $75.00 $2.50 $0.00/$4.90 0 0 71%
16 Oct 2026 $70.00 $5.47 $2.10/$6.00 0 0 41%
16 Oct 2026 $80.00 $0.90 $0.00/$4.90 0 0 68%
16 Oct 2026 $65.00 $9.67 $6.70/$11.00 0 0 66%
16 Oct 2026 $85.00 $0.25 $0.00/$4.90 0 0 66%
16 Oct 2026 $60.00 $14.49 $11.50/$16.00 0 0 90%
16 Oct 2026 $90.00 $0.06 $0.00/$4.90 0 0 65%
16 Oct 2026 $55.00 $19.46 $16.50/$21.00 0 0 121%
16 Oct 2026 $95.00 $0.01 $0.00/$4.90 0 0 64%
16 Oct 2026 $50.00 $24.45 $21.50/$26.00 0 0 153%
16 Oct 2026 $100.00 $0.00 $0.00/$4.90 0 0 63%
16 Oct 2026 $45.00 $29.45 $26.60/$31.00 0 0 195%
16 Oct 2026 $105.00 $0.00 $0.00/$4.90 0 0 63%
16 Oct 2026 $110.00 $0.00 $0.00/$4.90 0 0 68%
16 Oct 2026 $115.00 $0.00 $0.00/$4.90 0 0 75%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $75.00 $3.02 $0.30/$4.00 0 1 28%
16 Oct 2026 $70.00 $1.00 $0.00/$4.90 0 1 54%
16 Oct 2026 $80.00 $6.43 $4.50/$8.50 0 0 0%
16 Oct 2026 $65.00 $0.20 $0.00/$4.90 0 0 56%
16 Oct 2026 $85.00 $10.79 $9.50/$13.50 0 0 0%
16 Oct 2026 $60.00 $0.02 $0.00/$4.90 0 0 58%
16 Oct 2026 $90.00 $15.62 $14.50/$18.50 0 0 0%
16 Oct 2026 $55.00 $0.00 $0.00/$4.90 0 0 58%
16 Oct 2026 $95.00 $20.61 $19.50/$23.50 0 0 0%
16 Oct 2026 $50.00 $0.00 $0.00/$4.90 0 0 66%
16 Oct 2026 $100.00 $25.61 $24.50/$28.50 0 0 0%
16 Oct 2026 $45.00 $0.00 $0.00/$4.90 0 0 84%
16 Oct 2026 $105.00 $30.61 $29.50/$33.50 0 0 0%
16 Oct 2026 $110.00 $35.61 $34.50/$38.50 0 0 0%
16 Oct 2026 $115.00 $40.61 $39.50/$43.50 0 0 0%

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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