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Plug Power PLUG

$1.89 −$0.01 (-0.53%)
Pre-market · Oct 6, 6:00 am ET · After hours $1.89 0.00%
Open$1.90
Prev close$1.90
Day range$1.83 – $1.90
Volume42.07M
Market cap$2.64B
P/E (TTM)–
Dividend yield–

Average implied volatility across the listed chain right now: 287%. 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.

Calls

ExpiryStrikeLastBid/AskVolumeOpen interestIV
9 Oct 2026 $2.00 $0.02 $0.01/$0.02 3,390 2,636 70%
9 Oct 2026 $1.50 $0.39 $0.30/$0.43 103 124 0%
9 Oct 2026 $2.50 $0.01 $0.00/$0.01 17 6,189 185%
9 Oct 2026 $1.00 $0.87 $0.64/$1.10 6 10 0%
9 Oct 2026 $3.00 $0.00 $0.00/$0.01 0 456 154%
9 Oct 2026 $0.50 $1.33 $1.14/$1.60 6 7 0%
9 Oct 2026 $3.50 $0.00 $0.00/$0.01 0 198 199%
9 Oct 2026 $4.00 $0.00 $0.00/$0.01 0 34 238%
9 Oct 2026 $4.50 $0.00 $0.00/$0.01 0 4 271%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
9 Oct 2026 $2.00 $0.12 $0.11/$0.13 450 1,803 61%
9 Oct 2026 $1.50 $0.01 $0.00/$0.01 46 22 169%
9 Oct 2026 $2.50 $0.60 $0.52/$0.72 9 100 188%
9 Oct 2026 $1.00 $0.01 $0.00/$0.01 1 7 391%
9 Oct 2026 $3.00 $1.14 $0.90/$1.36 6 13 315%
9 Oct 2026 $0.50 $0.01 $0.00/$0.01 4 2 764%
9 Oct 2026 $3.50 $1.59 $1.39/$1.86 1 0 369%
9 Oct 2026 $4.00 $2.15 $1.90/$2.36 7 3 451%
9 Oct 2026 $4.50 $2.60 $2.39/$2.86 3 2 480%

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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