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.

BYD option chain Boyd Gaming Corporation

Cboe delayed options data · as of 15:34 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 ±10.5% (62.89–77.59) · ATM IV 31.9% · P/C open interest 0.15

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
26.10 30.10 0.97 0.0034 -0.009 42.5 0 1.00 82.7% -0.03 0.0035 -0.013
24.60 27.50 60.9% 0.97 0.0043 -0.011 45 0 0.7500 70.4% -0.04 0.0044 -0.014
21.80 25.00 0.96 0.0054 -0.012 47.5 0 1.00 1 67.5% -0.05 0.0056 -0.015
19.40 22.50 37.4% 0.95 0.0069 -0.014 50 0 0.9500 1 59.7% -0.06 0.0070 -0.017
14.60 17.90 42.0% 0.92 0.0112 -0.017 55 0.0500 2.45 3 61.7% -0.09 0.0115 -0.020
10.50 13.00 39.6% 0.86 0.0188 -0.021 60 0 2.80 1 48.5% -0.15 0.0191 -0.023
8.20 10.90 36.8% 0.82 0.0244 -0.024 62.5 0.4500 3.10 45.3% -0.19 0.0248 -0.025
6.10 9.00 5 35.1% 0.76 0.0314 -0.025 65 0.0500 2.60 50 32.1% -0.25 0.0319 -0.027
4.30 6.50 9 30.2% 0.68 0.0394 -0.027 67.5 0.3500 3.50 9 30.1% -0.33 0.0401 -0.028
3.10 5.20 58 31.9% 0.58 0.0460 -0.028 70 2.80 3.60 1 15 32.0% -0.44 0.0473 -0.029
2.15 4.50 356 34.8% 0.46 0.0480 -0.027 72.5 2.25 4.90 26 23.1% -0.56 0.0505 -0.029
0.5500 2.50 113 26.5% 0.35 0.0442 -0.026 75 4.30 7.00 1 26.7% -0.68 0.0481 -0.028
0.1000 3.20 22 34.3% 0.27 0.0375 -0.024 77.5 6.20 8.90 10 25.5% -0.77 0.0425 -0.026
0.1000 1.95 220 33.0% 0.20 0.0306 -0.022 80 8.30 11.00 11 -0.84 0.0362 -0.025
0 0.9500 12 29.8% 0.16 0.0249 -0.020 82.5 11.20 13.20 -0.89 0.0311 -0.023
0 1.60 5 39.4% 0.13 0.0203 -0.018 85 13.00 15.50 -0.93 0.0263 -0.022
0 0.7500 1 35.7% 0.11 0.0167 -0.017 87.5 15.30 19.50 40.4% -0.95 0.0226 -0.020
0 0.7500 3 39.2% 0.09 0.0139 -0.015 90 17.80 22.00 44.2% -0.97 0.0167 -0.018
0 0.7500 24 42.5% 0.08 0.0117 -0.014 92.5 20.30 24.50 47.8% -0.98 0.0116 -0.018
0 0.6000 8 43.6% 0.07 0.0100 -0.013 95 22.80 27.00 51.2% -0.99 0.0080 -0.016
0 2.00 2 61.6% 0.06 0.0086 -0.012 97.5 25.30 29.50 54.6% -0.99 0.0046 -0.016
0 1.00 6 55.0% 0.05 0.0075 -0.011 100 27.80 32.00 57.8% -1.00 0.0022 -0.016
0 0.7500 57.3% 0.04 0.0058 -0.010 105 32.80 37.00 63.8% -1.00 0.0000 -0.016

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.

21%31%41%51%70.2460.0082.50
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