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Standard Motor Products SMP

US equityMarket cap rank #3390Auto Parts
$36.92 −$0.64 (-1.70%)
Pre-market · Oct 8, 9:00 am ET · After hours $36.92 0.00%
Open$37.39
Prev close$37.56
Day range$36.89 – $37.55
Volume98.2K
Market cap$824.80M
P/E (TTM)16.6
Dividend yield3.47%

Average implied volatility across the listed chain right now: 106%. 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

202325303540455055CallsPuts

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

-27%80%188%295%203555CallsPuts

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 $35.00 $3.14 $0.50/$4.90 0 0 70%
16 Oct 2026 $40.00 $0.65 $0.00/$4.80 0 0 76%
16 Oct 2026 $30.00 $7.76 $5.00/$9.50 0 0 112%
16 Oct 2026 $45.00 $0.00 $0.00/$0.10 0 8 44%
16 Oct 2026 $25.00 $12.74 $10.10/$14.50 0 0 191%
16 Oct 2026 $50.00 $0.00 $0.00/$4.70 0 0 54%
16 Oct 2026 $22.50 $15.24 $12.50/$17.00 0 0 224%
16 Oct 2026 $20.00 $17.74 $15.00/$19.50 0 0 268%
16 Oct 2026 $55.00 $0.00 $0.00/$4.70 0 0 70%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $35.00 $0.39 $0.00/$1.35 0 1 51%
16 Oct 2026 $40.00 $2.92 $0.50/$4.90 0 0 0%
16 Oct 2026 $30.00 $0.01 $0.00/$4.70 0 0 56%
16 Oct 2026 $45.00 $7.44 $5.50/$9.90 0 0 0%
16 Oct 2026 $25.00 $0.00 $0.00/$4.70 0 0 78%
16 Oct 2026 $50.00 $12.44 $10.50/$15.00 0 0 0%
16 Oct 2026 $22.50 $0.00 $0.00/$4.70 0 0 88%
16 Oct 2026 $20.00 $0.00 $0.00/$4.70 0 0 108%
16 Oct 2026 $55.00 $17.44 $15.50/$20.00 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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