Ecolab ECL
$300.68 −$5.15 (-1.68%)
Market closed · Nov 7, 9:50 pm ET · Last extended-hours $300.68 0.00%
Open$300.00
Prev close$305.83
Day range$297.00 – $304.15
Volume2.22M
Market cap$84.33B
P/E (TTM)40.9
Dividend yield0.97%
Average implied volatility across the listed chain right now: 45%. 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
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
The “volatility smile”: strikes far from the current price often price in richer implied volatility than at-the-money strikes.
Calls
| Expiry | Strike | Last | Bid/Ask | Volume | Open interest | IV |
|---|---|---|---|---|---|---|
| 20 Nov 2026 | $300.00 | $7.00 | $6.50/$8.00 | 11 | 581 | 31% |
| 20 Nov 2026 | $310.00 | $2.85 | $2.35/$3.40 | 20 | 1,057 | 29% |
| 20 Nov 2026 | $290.00 | $15.40 | $12.70/$14.90 | 2 | 585 | 32% |
| 20 Nov 2026 | $320.00 | $1.32 | $0.45/$2.55 | 1 | 401 | 33% |
| 20 Nov 2026 | $280.00 | $24.30 | $21.20/$23.50 | 1 | 222 | 36% |
| 20 Nov 2026 | $330.00 | $0.98 | $0.00/$2.75 | 0 | 1,559 | 38% |
| 20 Nov 2026 | $270.00 | $36.81 | $30.60/$32.90 | 0 | 84 | 41% |
| 20 Nov 2026 | $340.00 | $0.43 | $0.00/$3.20 | 0 | 53 | 40% |
| 20 Nov 2026 | $260.00 | $46.60 | $40.20/$42.70 | 0 | 0 | 47% |
| 20 Nov 2026 | $350.00 | $0.18 | $0.00/$4.30 | 0 | 18 | 41% |
| 20 Nov 2026 | $250.00 | $56.54 | $50.20/$53.10 | 0 | 0 | 62% |
| 20 Nov 2026 | $360.00 | $0.08 | $0.00/$2.65 | 0 | 0 | 42% |
| 20 Nov 2026 | $240.00 | $66.52 | $60.10/$63.10 | 0 | 0 | 72% |
| 20 Nov 2026 | $370.00 | $0.03 | $0.00/$2.65 | 0 | 0 | 43% |
| 20 Nov 2026 | $230.00 | $76.50 | $70.30/$73.10 | 0 | 0 | 86% |
Puts
| Expiry | Strike | Last | Bid/Ask | Volume | Open interest | IV |
|---|---|---|---|---|---|---|
| 20 Nov 2026 | $300.00 | $5.80 | $5.10/$6.50 | 423 | 708 | 29% |
| 20 Nov 2026 | $310.00 | $10.82 | $10.30/$12.10 | 386 | 376 | 25% |
| 20 Nov 2026 | $290.00 | $2.03 | $1.85/$2.60 | 18 | 582 | 29% |
| 20 Nov 2026 | $320.00 | $15.42 | $17.90/$20.40 | 0 | 5 | 0% |
| 20 Nov 2026 | $280.00 | $0.60 | $0.60/$0.80 | 825 | 1,047 | 30% |
| 20 Nov 2026 | $330.00 | $24.62 | $27.90/$30.90 | 0 | 1 | 30% |
| 20 Nov 2026 | $270.00 | $0.20 | $0.10/$1.45 | 34 | 231 | 42% |
| 20 Nov 2026 | $340.00 | $34.23 | $37.40/$40.40 | 0 | 0 | 0% |
| 20 Nov 2026 | $260.00 | $0.09 | $0.00/$0.20 | 100 | 67 | 37% |
| 20 Nov 2026 | $350.00 | $44.17 | $47.40/$50.40 | 0 | 0 | 0% |
| 20 Nov 2026 | $250.00 | $0.08 | $0.00/$0.20 | 1 | 288 | 44% |
| 20 Nov 2026 | $360.00 | $54.17 | $57.40/$60.60 | 0 | 0 | 0% |
| 20 Nov 2026 | $240.00 | $0.05 | $0.00/$0.20 | 2 | 11 | 50% |
| 20 Nov 2026 | $370.00 | $64.17 | $67.40/$70.90 | 0 | 0 | 0% |
| 20 Nov 2026 | $230.00 | $0.00 | $0.00/$2.55 | 0 | 1 | 36% |
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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