Detailed CTAS options chain for 2026-12-18 – real-time call and put contracts with last price, bid/ask, volume, open interest, implied volatility, and in-the-money status.
Tip: Use this page together with the price chart, short-term prediction, and multi-expiry options overview to build a complete view of positioning and risk for CTAS.
This page focuses on a single options expiration date for CTAS – 2026-12-18 – and lists every available call and put contract in a clean chain view. Each row shows the contract symbol, last trade, bid/ask quotes, daily change, percentage change, trading volume, open interest, implied volatility (IV), and whether the option is currently in-the-money (ITM).
Traders often use a specific expiry’s options chain to identify key strike levels, unusual activity, and risk hedging behavior. High open interest around certain strikes or sudden spikes in volume can reveal where large traders and market makers are concentrating their positions for CTAS into 2026-12-18.
This CTAS 2026-12-18 options chain provides a complete strike-by-strike breakdown of pricing, liquidity and volatility. By comparing changes in volume, open interest distribution and IV across calls and puts, traders can understand where the market is positioning ahead of this specific expiration date.
The table below shows all call options on CTAS expiring on 2026-12-18. You can quickly compare strikes, pricing, liquidity (volume and open interest), and implied volatility to spot popular strike zones and potential directional bets.
| Contract | Strike | Last | Bid | Ask | Volume | Open Int. | Implied Vol | ITM |
|---|---|---|---|---|---|---|---|---|
| CTAS 261218C00320000 | 320.00 | 0.6 | 0 | 1.8 | 20 | 213 | 33.24% | |
| CTAS 261218C00220000 | 220.00 | 9.15 | 6 | 9.4 | 1 | 168 | 24.92% | |
| CTAS 261218C00230000 | 230.00 | 6 | 3.9 | 7.3 | 10 | 126 | 25.37% | |
| CTAS 261218C00210000 | 210.00 | 11.8 | 9.5 | 16.2 | 22 | 122 | 30.20% | |
| CTAS 261218C00330000 | 330.00 | 1.64 | 0 | 3.1 | 1 | 118 | 39.25% | |
| CTAS 261218C00300000 | 300.00 | 3.86 | 0.05 | 4.4 | 2 | 83 | 37.46% | |
| CTAS 261218C00250000 | 250.00 | 8.64 | 2.45 | 5 | 1 | 72 | 27.39% | |
| CTAS 261218C00240000 | 240.00 | 5.74 | 5.1 | 6.6 | 4 | 69 | 27.44% | |
| CTAS 261218C00200000 | 200.00 | 18.23 | 16.9 | 22.9 | 8 | 45 | 34.20% | |
| CTAS 261218C00290000 | 290.00 | 4.03 | 0.05 | 4.8 | 1 | 31 | 36.39% | |
| CTAS 261218C00280000 | 280.00 | 2.28 | 0.05 | 5.8 | 0 | 30 | 36.39% | |
| CTAS 261218C00270000 | 270.00 | 2.65 | 1.05 | 2.8 | 8 | 28 | 27.28% | |
| CTAS 261218C00190000 | 190.00 | 22.13 | 17.9 | 21.8 | 1 | 5 | 26.32% | YES |
| CTAS 261218C00310000 | 310.00 | 2.13 | 0.1 | 1.4 | 1 | 5 | 30.02% | |
| CTAS 261218C00185000 | 185.00 | 26.9 | 22 | 32 | 3 | 5 | 37.44% | YES |
| CTAS 261218C00155000 | 155.00 | 43.04 | 35.7 | 44 | 0 | 3 | 24.58% | YES |
| CTAS 261218C00170000 | 170.00 | 34.7 | 32 | 41 | 0 | 3 | 38.80% | YES |
| CTAS 261218C00140000 | 140.00 | 57.53 | 52 | 60 | 2 | 2 | 34.95% | YES |
| CTAS 261218C00180000 | 180.00 | 29.8 | 27.1 | 33.8 | 1 | 1 | 36.29% | YES |
| CTAS 261218C00145000 | 145.00 | 48.81 | 52 | 60 | 0 | 1 | 44.08% | YES |
| CTAS 261218C00150000 | 150.00 | 61.9 | 43 | 53 | 0 | 1 | 36.68% | YES |
| CTAS 261218C00160000 | 160.00 | 54.05 | 0 | 0 | 1 | 0 | 0.00% | YES |
| CTAS 261218C00260000 | 260.00 | 14.6 | 6 | 15.8 | 0 | 0 | 48.14% | |
| CTAS 261218C00110000 | 110.00 | 84.8 | 84 | 92 | 0 | 0 | 59.89% | YES |
The table below lists all put options on CTAS expiring on 2026-12-18. Use it to track downside protection demand, hedge activity, and deep out-of-the-money puts that may indicate tail-risk hedging or speculation.
| Contract | Strike | Last | Bid | Ask | Volume | Open Int. | Implied Vol | ITM |
|---|---|---|---|---|---|---|---|---|
| CTAS 261218P00185000 | 185.00 | 14.23 | 8.9 | 14.2 | 24 | 101 | 27.30% | |
| CTAS 261218P00240000 | 240.00 | 41.7 | 49.2 | 52.6 | 50 | 75 | 30.61% | YES |
| CTAS 261218P00180000 | 180.00 | 13.38 | 10.8 | 13.1 | 1 | 74 | 28.98% | |
| CTAS 261218P00155000 | 155.00 | 4.86 | 0.75 | 8.6 | 1 | 63 | 36.80% | |
| CTAS 261218P00190000 | 190.00 | 15.5 | 13.8 | 16.8 | 1 | 47 | 27.58% | |
| CTAS 261218P00115000 | 115.00 | 2.21 | 0.05 | 4.4 | 1 | 32 | 50.58% | |
| CTAS 261218P00105000 | 105.00 | 1.22 | 0 | 3.9 | 2 | 27 | 55.36% | |
| CTAS 261218P00150000 | 150.00 | 5.9 | 1.2 | 8.6 | 9 | 23 | 39.84% | |
| CTAS 261218P00200000 | 200.00 | 19.52 | 16.2 | 20.2 | 1 | 19 | 24.77% | YES |
| CTAS 261218P00210000 | 210.00 | 25.7 | 19 | 29 | 15 | 16 | 28.37% | YES |
| CTAS 261218P00125000 | 125.00 | 2.63 | 0.05 | 5.1 | 1 | 14 | 46.53% | |
| CTAS 261218P00175000 | 175.00 | 9.5 | 6.9 | 12.4 | 1 | 8 | 31.13% | |
| CTAS 261218P00220000 | 220.00 | 34 | 34 | 44 | 4 | 6 | 39.89% | YES |
| CTAS 261218P00165000 | 165.00 | 7.6 | 6.5 | 14.1 | 0 | 5 | 40.47% | |
| CTAS 261218P00195000 | 195.00 | 17.7 | 15.8 | 19.5 | 3 | 5 | 27.70% | |
| CTAS 261218P00135000 | 135.00 | 2 | 0.05 | 6.1 | 3 | 5 | 43.20% | |
| CTAS 261218P00160000 | 160.00 | 9 | 2.95 | 11.5 | 1 | 4 | 39.19% | |
| CTAS 261218P00140000 | 140.00 | 2.75 | 0.05 | 5 | 2 | 2 | 37.37% | |
| CTAS 261218P00110000 | 110.00 | 0.96 | 0 | 0 | 0 | 2 | 12.50% | |
| CTAS 261218P00270000 | 270.00 | 80.2 | 64 | 74 | 0 | 2 | 0.00% | YES |
| CTAS 261218P00145000 | 145.00 | 3.8 | 0.05 | 7.4 | 0 | 1 | 40.29% | |
| CTAS 261218P00170000 | 170.00 | 12.03 | 5.8 | 9.3 | 1 | 1 | 29.11% | |
| CTAS 261218P00130000 | 130.00 | 3.55 | 0.05 | 5.6 | 0 | 1 | 44.90% | |
| CTAS 261218P00100000 | 100.00 | 0.77 | 0 | 6.1 | 2 | 0 | 55.05% | |
| CTAS 261218P00095000 | 95.00 | 0.75 | 0 | 0 | 2 | 0 | 12.50% | |
| CTAS 261218P00280000 | 280.00 | 77.28 | 0 | 0 | 1 | 0 | 0.00% | YES |
| CTAS 261218P00120000 | 120.00 | 2.37 | 0.05 | 4.8 | 0 | 0 | 48.73% |
This page displays the full CTAS options chain for contracts expiring on 2026-12-18. Both call and put tables include contract symbols, last trade price, bid/ask quotes, daily change and percentage change, trading volume, open interest, implied volatility, and an in-the-money (ITM) flag. It is designed to give you a complete snapshot of how the market is pricing risk and direction for this specific expiry.
Around earnings, macro data releases, or company-specific news, traders often focus on a single expiration such as 2026-12-18. By monitoring changes in implied volatility, volume, and open interest for each strike, you can see where traders are concentrating their bets and hedges. Large shifts in activity on out-of-the-money calls or puts can be early signs of expected volatility or directional moves in CTAS.
The ITM column highlights whether a contract is currently in-the-money for CTAS: call options are ITM when their strike is below the current stock price, while put options are ITM when their strike is above the current stock price. ITM contracts have intrinsic value, while out-of-the-money options are purely time and volatility value. This distinction helps you quickly identify which strikes are already “in the money” for this expiry.
Implied volatility reflects how much movement the market expects for CTAS between now and 2026-12-18. Higher IV typically means options are more expensive and the market is pricing in larger potential moves. You can compare IV across strikes and between calls and puts to identify skew – for example, expensive downside puts may indicate demand for crash protection, while rich upside calls can signal speculative interest.
No. This 2026-12-18 options chain gives a granular view for one maturity only. For a complete picture of positioning in CTAS, you should also review the multi-expiry options overview where you can compare put/call ratios, total open interest and volume across different expiration dates. Combining both perspectives helps you understand whether traders are focused on very short-term moves or longer-dated themes.
The CTAS options data on this page is refreshed regularly during market hours to reflect the latest trades, mid-market quotes, and open interest updates. Intraday changes in volume, open interest, and implied volatility can provide important signals about how sentiment and risk pricing are evolving as 2026-12-18 approaches.
