Independent options-market research
Menu
Stocks Expected Moves Volatility Earnings Market Dashboard Options Activity Screener 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.

RIO option chain Rio Tinto Group

Cboe delayed options data · as of 03:38 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 ±26.5% (75.55–129.95) · ATM IV 33.0% · P/C open interest 0.14

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
47.00 52.00 40.3% 0.97 0.0019 0.000 55 0 5.00 54.4% -0.06 0.0026 -0.007
44.00 46.50 3 44.5% 0.96 0.0026 -0.001 60 1.20 2.35 43.6% -0.08 0.0033 -0.008
38.00 43.00 40.3% 0.94 0.0036 -0.003 65 1.70 2.75 1 1 41.2% -0.10 0.0042 -0.009
33.50 38.50 37.8% 0.91 0.0047 -0.005 70 0.5000 3.40 11 34.5% -0.12 0.0052 -0.010
29.50 34.50 37.6% 0.88 0.0060 -0.007 75 1.00 5.90 4 36.8% -0.15 0.0064 -0.011
25.50 30.50 36.2% 0.84 0.0074 -0.009 80 2.00 6.90 4 35.5% -0.19 0.0076 -0.013
21.50 26.50 34.0% 0.80 0.0088 -0.011 85 3.50 8.00 34.5% -0.24 0.0090 -0.013
18.50 23.00 33.7% 0.75 0.0101 -0.013 90 5.00 9.50 1 33.5% -0.29 0.0102 -0.014
16.70 20.00 34.9% 0.69 0.0113 -0.014 95 6.50 11.40 32.3% -0.34 0.0113 -0.015
12.50 17.50 11 32.6% 0.63 0.0121 -0.015 100 9.00 13.50 32.1% -0.40 0.0121 -0.015
11.80 15.00 122 34.2% 0.57 0.0127 -0.015 105 11.50 16.10 31.8% -0.46 0.0126 -0.015
8.00 12.90 2 31.6% 0.51 0.0129 -0.016 110 14.50 19.50 32.4% -0.52 0.0128 -0.015
6.50 11.00 31.6% 0.45 0.0128 -0.016 115 17.50 22.50 31.9% -0.58 0.0127 -0.014
5.00 9.50 2 31.4% 0.39 0.0124 -0.015 120 21.00 26.00 32.0% -0.63 0.0124 -0.013
4.00 8.30 5 31.7% 0.35 0.0118 -0.015 125 24.50 29.50 31.5% -0.68 0.0118 -0.012
3.00 7.30 1 31.8% 0.30 0.0111 -0.014 130 28.50 33.50 31.9% -0.72 0.0111 -0.011
2.00 6.50 31.7% 0.26 0.0104 -0.013 135 32.50 37.50 31.8% -0.76 0.0104 -0.010
1.50 5.80 32.2% 0.23 0.0095 -0.012 140 37.00 42.00 32.9% -0.80 0.0096 -0.008
1.00 5.30 32.6% 0.20 0.0087 -0.012 145 41.50 46.50 33.8% -0.83 0.0092 -0.007
0.5000 5.00 1 33.1% 0.18 0.0080 -0.011 150 46.00 51.00 34.3% -0.86 0.0094 -0.007

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 — Sep 17, 2027

Volatility page →

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

29%32%34%37%102.885.00120.0
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

Energy

BKR · Baker Hughes CompanyCCJ · Cameco CorporationCOP · ConocoPhillipsCVX · Chevron CorporationDVN · Devon Energy CorporationENPH · Enphase Energy, Inc.EOG · EOG Resources, Inc.ET · Energy Transfer LP