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Trustco Bank TRST

US equityMarket cap rank #3293
$54.26 −$0.87 (-1.58%)
Pre-market · Oct 8, 7:00 am ET · After hours $54.26 0.00%
Open$54.54
Prev close$55.13
Day range$53.98 – $54.81
Volume68.9K
Market cap$923.93M
P/E (TTM)15.1
Dividend yield2.80%

Average implied volatility across the listed chain right now: 110%. 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

25303540455055606570CallsPuts

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

-33%99%231%362%254570CallsPuts

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 $55.00 $2.27 $0.00/$4.90 0 2 79%
16 Oct 2026 $50.00 $5.65 $2.10/$7.00 0 15 48%
16 Oct 2026 $60.00 $0.48 $0.00/$4.90 0 0 66%
16 Oct 2026 $45.00 $10.27 $7.10/$12.00 0 0 89%
16 Oct 2026 $65.00 $0.07 $0.00/$4.90 0 1 63%
16 Oct 2026 $40.00 $15.24 $12.10/$17.00 0 0 132%
16 Oct 2026 $70.00 $0.01 $0.00/$4.90 0 0 62%
16 Oct 2026 $35.00 $20.23 $17.50/$22.00 0 0 203%
16 Oct 2026 $30.00 $25.22 $22.50/$27.00 0 0 261%
16 Oct 2026 $25.00 $30.22 $27.50/$32.00 0 0 329%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $55.00 $2.02 $0.00/$4.90 0 0 50%
16 Oct 2026 $50.00 $0.41 $0.00/$3.50 0 0 57%
16 Oct 2026 $60.00 $5.25 $3.50/$7.50 0 0 0%
16 Oct 2026 $45.00 $0.03 $0.00/$4.90 0 0 60%
16 Oct 2026 $65.00 $9.88 $8.50/$12.50 0 0 0%
16 Oct 2026 $40.00 $0.00 $0.00/$4.90 0 0 61%
16 Oct 2026 $70.00 $14.87 $13.50/$17.50 0 0 0%
16 Oct 2026 $35.00 $0.00 $0.00/$0.20 0 0 77%
16 Oct 2026 $30.00 $0.00 $0.00/$4.90 0 0 102%
16 Oct 2026 $25.00 $0.00 $0.00/$0.05 0 0 132%

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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