BeStock  

ERock EROC

$13.08 −$0.56 (-4.11%)
Pre-market · Oct 8, 8:10 am ET · After hours $13.20 +0.92%
Open$13.30
Prev close$13.64
Day range$12.89 – $13.68
Volume2.31M
Market cap$630.12M
P/E (TTM)–
Dividend yield–

Average implied volatility across the listed chain right now: 240%. 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

2.507.5013182330CallsPuts

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

-94%282%657%1033%2.501530CallsPuts

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 $12.50 $1.25 $0.90/$1.25 35 603 96%
16 Oct 2026 $15.00 $0.20 $0.15/$0.30 88 534 102%
16 Oct 2026 $10.00 $3.20 $2.95/$3.40 31 28 129%
16 Oct 2026 $17.50 $0.10 $0.00/$0.75 0 113 132%
16 Oct 2026 $7.50 $6.21 $5.30/$6.60 0 1 342%
16 Oct 2026 $20.00 $0.03 $0.00/$0.30 0 4 137%
16 Oct 2026 $5.00 $8.68 $7.70/$9.20 0 17 538%
16 Oct 2026 $22.50 $0.01 $0.00/$0.75 0 1 142%
16 Oct 2026 $2.50 $11.17 $10.20/$11.80 0 0 939%
16 Oct 2026 $25.00 $0.00 $0.00/$0.75 0 0 147%
16 Oct 2026 $30.00 $0.00 $0.00/$0.75 0 0 157%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $12.50 $0.54 $0.35/$0.55 25 305 91%
16 Oct 2026 $15.00 $2.15 $1.90/$3.00 25 24 151%
16 Oct 2026 $10.00 $0.15 $0.00/$0.15 0 645 150%
16 Oct 2026 $17.50 $3.93 $3.80/$5.00 0 10 0%
16 Oct 2026 $7.50 $0.04 $0.00/$0.15 0 2 199%
16 Oct 2026 $20.00 $6.37 $6.30/$7.70 0 0 173%
16 Oct 2026 $5.00 $0.01 $0.00/$0.35 0 0 251%
16 Oct 2026 $22.50 $8.86 $8.80/$10.20 0 0 209%
16 Oct 2026 $2.50 $0.00 $0.00/$0.05 0 5 326%
16 Oct 2026 $25.00 $11.36 $11.30/$12.90 0 0 276%
16 Oct 2026 $30.00 $16.36 $16.30/$18.10 0 0 362%

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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