Independent options-market research
★
Menu
Stocks Expected Moves Volatility Earnings Market Dashboard Options Activity Screener Options Calculator News
Learn & Tools Learn Ask the Data AI Agents Methodology ★ Saved API
About About us Contact Disclaimer
View options
Dark mode

Guided View
New to markets? Prices, yields, YTD, market cap. We explain every term as you browse, in plain English. Same data, with the help built in.

Expert View
You already know the market. Just the data: clean, fast and compact, with no extra explanations. This is the default view.

Interface language
DATA API

Free read-only JSON access to summary metrics, rate-limited.

CMI option chain Cummins Inc.

Cboe delayed options data · as of 09:35 UTC

Each row is one strike. The left half is the call, the right half the put. Bid/ask are what buyers and sellers currently quote; volume is contracts traded this session; open interest is standing contracts. The highlighted row sits closest to the stock price.

This expiration prices a move of about ±11.8% (460.68–583.58) · ATM IV 36.4% · P/C open interest 0.78

CALLS Strike PUTS
BidAskVolOIThe number of option contracts currently outstanding at a strike or expiration. High open interest shows where positions are concentrated. IVΔModel sensitivity of an option's price to a $1 move in the stock; also used as a rough moneyness scale (a 25-delta option is well out of the money).ΓΘ BidAskVolOI IVΔΓΘ
171.90 176.00 17 42.7% 0.99 0.0003 0.000 350 0 2.50 52 54.7% -0.01 0.0003 -0.023
162.00 166.20 4 42.6% 0.99 0.0004 -0.006 360 0 2.65 41 51.9% -0.02 0.0004 -0.029
152.20 156.30 3 41.6% 0.98 0.0005 -0.015 370 0 2.80 18 49.2% -0.02 0.0005 -0.037
142.50 146.50 4 41.3% 0.98 0.0007 -0.026 380 0 3.00 19 46.6% -0.03 0.0007 -0.046
132.80 136.70 1 40.2% 0.97 0.0008 -0.038 390 0 2.95 6 40.1% -0.04 0.0009 -0.056
123.90 126.50 2 39.9% 0.96 0.0011 -0.052 400 0.2500 3.50 42 42.2% -0.05 0.0011 -0.069
114.20 117.50 3 39.9% 0.94 0.0014 -0.067 410 0.6000 3.50 10 3 39.8% -0.06 0.0014 -0.082
104.80 108.30 2 39.2% 0.93 0.0017 -0.084 420 0.9000 4.40 46 38.9% -0.07 0.0017 -0.098
95.40 99.00 4 37.9% 0.91 0.0020 -0.103 430 1.80 5.40 18 38.6% -0.09 0.0020 -0.115
87.50 89.80 2 38.2% 0.89 0.0024 -0.122 440 2.95 6.70 37 38.4% -0.12 0.0024 -0.134
78.90 81.50 72 38.0% 0.86 0.0028 -0.142 450 4.50 8.40 5 72 38.3% -0.15 0.0028 -0.153
70.80 73.40 138 37.7% 0.83 0.0032 -0.163 460 6.30 10.00 5 105 37.7% -0.18 0.0033 -0.172
62.40 66.00 33 37.2% 0.79 0.0037 -0.182 470 8.50 12.50 87 42 37.6% -0.21 0.0037 -0.191
55.80 58.50 10 37.3% 0.75 0.0041 -0.200 480 11.20 14.70 63 37.1% -0.26 0.0042 -0.209
48.50 51.50 2 36.6% 0.70 0.0045 -0.216 490 14.00 17.60 71 36.0% -0.30 0.0046 -0.224
42.00 44.90 236 36.2% 0.66 0.0048 -0.229 500 18.20 21.50 15 563 36.9% -0.35 0.0049 -0.236
37.20 39.50 9 36.9% 0.61 0.0051 -0.239 510 22.30 26.00 27 36.8% -0.40 0.0052 -0.245
31.70 34.00 32 36.5% 0.55 0.0052 -0.244 520 26.70 30.50 84 36.3% -0.45 0.0053 -0.250
25.50 29.40 12 35.6% 0.50 0.0053 -0.246 530 31.60 34.80 38 35.5% -0.51 0.0054 -0.250
21.00 25.00 108 35.2% 0.45 0.0053 -0.243 540 37.60 41.10 23 35.8% -0.56 0.0054 -0.246
18.60 21.00 20 35.7% 0.40 0.0052 -0.237 550 43.60 47.50 76 35.5% -0.61 0.0053 -0.238
14.10 18.00 1 30 35.0% 0.35 0.0050 -0.227 560 50.40 54.00 50 35.3% -0.66 0.0051 -0.227
11.50 15.00 52 34.9% 0.31 0.0047 -0.214 570 57.50 61.00 21 35.0% -0.71 0.0048 -0.212
9.00 12.50 20 108 34.7% 0.26 0.0044 -0.200 580 65.40 68.50 55 35.0% -0.75 0.0045 -0.195
7.10 10.50 4 116 34.8% 0.23 0.0040 -0.184 590 73.40 76.50 12 34.9% -0.79 0.0041 -0.177
5.20 9.00 1 120 34.7% 0.19 0.0037 -0.168 600 81.70 85.00 85 34.9% -0.82 0.0037 -0.159
3.90 7.50 105 34.7% 0.16 0.0033 -0.151 610 90.40 93.50 79 34.8% -0.85 0.0033 -0.140
2.90 6.50 64 35.0% 0.14 0.0030 -0.135 620 99.30 103.00 48 35.5% -0.87 0.0029 -0.121
2.10 5.50 139 35.1% 0.12 0.0026 -0.120 630 108.40 112.00 268 35.5% -0.90 0.0026 -0.104
1.50 4.50 119 35.1% 0.10 0.0023 -0.105 640 117.80 121.00 9 35.3% -0.92 0.0023 -0.089
2.00 3.40 62 213 36.2% 0.08 0.0020 -0.092 650 127.20 130.50 45 35.5% -0.93 0.0020 -0.078
0.7000 3.60 35 36.2% 0.07 0.0017 -0.080 660 136.80 140.00 112 35.6% -0.95 0.0019 -0.071
0 3.40 41 36.2% 0.06 0.0015 -0.069 670 146.40 150.30 40 37.2% -0.96 0.0018 -0.065
0 3.30 23 37.7% 0.05 0.0013 -0.060 680 156.20 159.90 2 37.3% -0.98 0.0019 -0.069
0 3.20 20 39.1% 0.04 0.0011 -0.052 690 166.00 169.60 36.8% -0.99 0.0018 -0.065
0 3.00 105 40.2% 0.03 0.0009 -0.044 700 175.80 179.80 250 38.5% -0.99 0.0007 -0.074
0 2.80 22 41.3% 0.03 0.0008 -0.038 710 185.70 189.70 -1.00 0.0000 -0.074
0 2.70 169 42.5% 0.02 0.0007 -0.032 720 195.70 199.70 -1.00 0.0000 -0.074
0 2.75 54 44.1% 0.02 0.0006 -0.028 730 205.70 209.70 -1.00 0.0000 -0.074
0 2.65 16 45.3% 0.01 0.0005 -0.024 740 215.70 219.70 -1.00 0.0000 -0.074
0 2.55 22 46.4% 0.01 0.0004 -0.020 750 225.70 229.70 -1.00 0.0000 -0.074
0 2.50 16 47.6% 0.01 0.0003 -0.017 760 235.70 239.70 -1.00 0.0000 -0.074
0 2.40 104 49.9% 0.01 0.0002 -0.012 780 255.70 259.70 -1.00 0.0000 -0.074

Strikes shown: within ±50% of the underlying price. Intrinsic value = max(0, price − strike) for calls, max(0, strike − price) for puts; extrinsic = option price − intrinsic. Greeks and IV as computed by the exchange feed.

Volatility smile — Dec 18, 2026

Volatility page →

Implied volatility per strike for this expiration. Out-of-the-money puts usually price higher IV than calls — the skew.

32%35%38%41%522.1430.0610.0
callsputs

Consumer Cyclical

ABNB · Airbnb, Inc.AMZN · Amazon.com, Inc.AZO · AutoZone, Inc.BABA · Alibaba Group Holding…BBY · Best Buy Co., Inc.BYD · Boyd Gaming CorporationCAVA · CAVA Group, Inc.CCL · Carnival Corporation & plc

ETF

ARKK · ARK Innovation ETFBITO · ProShares Bitcoin ETFDIA · State Street SPDR Dow…EEM · iShares MSCI Emerging…EFA · iShares MSCI EAFE ETFEWZ · iShares MSCI Brazil ETFFXI · iShares China Large-Cap ETFGDX · VanEck Gold Miners ETF

Technology

AAPL · Apple Inc.ADBE · Adobe Inc.AI · C3.ai, Inc.AMAT · Applied Materials, Inc.AMD · Advanced Micro Device…APP · AppLovin CorporationARM · Arm Holdings plc Amer…ASML · ASML Holding N.V.

Financial Services

AFRM · Affirm Holdings, Inc.ALL · The Allstate CorporationALLY · Ally Financial Inc.AXP · American Express CompanyBAC · Bank of America CorporationBLK · BlackRock, Inc.BX · Blackstone Inc.C · Citigroup Inc.

Industrials

AAL · American Airlines Gro…BA · The Boeing CompanyCAT · Caterpillar Inc.CMI · Cummins Inc.DAL · Delta Air Lines, Inc.DE · Deere & CompanyEMR · Emerson Electric Co.ETN · Eaton Corporation plc

Consumer Defensive

CELH · Celsius Holdings, Inc.CL · Colgate-Palmolive CompanyCOST · Costco Wholesale Corp…DG · Dollar General CorporationDLTR · Dollar Tree, Inc.EL · The Estée Lauder Comp…GIS · General Mills, Inc.HSY · The Hershey Company