WhaleQuant.io

COST Options Chain – 2026-09-18

Detailed COST options chain for 2026-09-18 – 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 COST.

Options Analytics Short-Term Forecast Short Interest Report

COST Call Options — 2026-09-18 Expiration

This page focuses on a single options expiration date for COST – 2026-09-18 – 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 COST into 2026-09-18.

This COST 2026-09-18 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.

COST Call Options — 2026-09-18 Expiration

The table below shows all call options on COST expiring on 2026-09-18. 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
COST 260918C01000000 1000.00 8 7.35 8.7 152 2073 22.09%
COST 260918C01100000 1100.00 0.63 0.55 0.85 89 1254 25.40%
COST 260918C01540000 1540.00 0.01 0 0.06 3 1172 50.20%
COST 260918C00940000 940.00 31 30.05 34.15 11 1131 24.02% YES
COST 260918C01040000 1040.00 2.62 2.22 3 29 1070 22.50%
COST 260918C00950000 950.00 26.05 26 27.65 19 884 23.00% YES
COST 260918C00985000 985.00 11.02 10.7 13.2 53 850 22.68%
COST 260918C01020000 1020.00 4.96 4.5 5.45 50 832 22.64%
COST 260918C01200000 1200.00 0.18 0 0.25 6 795 31.93%
COST 260918C01060000 1060.00 1.57 1.4 1.89 36 775 23.33%
COST 260918C01140000 1140.00 0.8 0 1.21 5 649 32.36%
COST 260918C01080000 1080.00 1.35 0.75 1.35 44 611 24.71%
COST 260918C01015000 1015.00 5.73 4.9 6.35 44 552 22.79%
COST 260918C00970000 970.00 15.78 15.55 18.7 89 526 23.00%
COST 260918C01240000 1240.00 0.8 0 0.27 1 524 36.18%
COST 260918C01005000 1005.00 7.15 6.35 7.95 59 522 22.46%
COST 260918C00850000 850.00 109.08 104.85 110.6 1 488 36.37% YES
COST 260918C00860000 860.00 106.89 96.05 100.7 1 486 33.94% YES
COST 260918C01300000 1300.00 0.26 0 0.35 2 445 43.04%
COST 260918C01160000 1160.00 0.24 0 0.68 2 370 31.85%
COST 260918C01220000 1220.00 0.25 0 1 2 335 40.86%
COST 260918C00960000 960.00 21.33 20.15 22.15 23 331 22.36%
COST 260918C00990000 990.00 10 9.35 11.65 7 329 22.58%
COST 260918C01280000 1280.00 0.3 0 0.35 6 328 41.19%
COST 260918C01400000 1400.00 0.02 0 0.02 4 308 39.84%
COST 260918C01320000 1320.00 0.04 0 6.8 3 295 62.90%
COST 260918C01120000 1120.00 1.26 0.12 1.34 3 284 30.29%
COST 260918C01180000 1180.00 0.5 0 1.07 1 274 36.62%
COST 260918C00470000 470.00 548.01 505 513.8 389 272 210.58% YES
COST 260918C01260000 1260.00 0.26 0 1.64 45 266 48.90%
COST 260918C00980000 980.00 14 12.25 15 10 249 22.90%
COST 260918C00965000 965.00 17.9 18.65 20.45 19 239 22.76%
COST 260918C00930000 930.00 45.05 36.9 40.35 2 229 24.26% YES
COST 260918C00935000 935.00 41.45 33.55 37.75 22 214 24.67% YES
COST 260918C01010000 1010.00 6.4 5.65 6.9 35 205 22.36%
COST 260918C00955000 955.00 23.85 22.5 25.5 5 193 23.28%
COST 260918C00920000 920.00 45.05 44.05 47.35 25 190 24.77% YES
COST 260918C01480000 1480.00 0.06 0 0.1 80 159 51.37%
COST 260918C01520000 1520.00 0.02 0.01 0.08 4 151 50.59%
COST 260918C00975000 975.00 14.39 13.75 16.75 46 150 22.92%
COST 260918C00995000 995.00 8.75 8.55 10.45 5 135 22.70%
COST 260918C01500000 1500.00 0.04 0 0.04 5 124 48.83%
COST 260918C00910000 910.00 55.19 51.15 57.55 12 113 28.24% YES
COST 260918C00945000 945.00 28.35 27.35 31.15 8 110 23.80% YES
COST 260918C00800000 800.00 156.88 152.25 161.75 1 106 51.51% YES
COST 260918C00520000 520.00 426.63 431 440.7 12 98 106.92% YES
COST 260918C00840000 840.00 114.8 114 119.8 5 95 37.54% YES
COST 260918C00890000 890.00 67.72 67.3 71.55 1 91 27.16% YES
COST 260918C00900000 900.00 59 59.9 63.7 1 90 27.01% YES
COST 260918C00925000 925.00 41.55 40.4 42.75 2 71 23.49% YES
COST 260918C01340000 1340.00 0.08 0 0.08 2 69 40.04%
COST 260918C00600000 600.00 355.89 351.15 360.85 14 68 85.35% YES
COST 260918C00915000 915.00 56.11 46.45 52.8 3 56 26.88% YES
COST 260918C01440000 1440.00 0.88 0 8.55 3 49 78.99%
COST 260918C01460000 1460.00 0.01 0 3.8 10 48 70.70%
COST 260918C00780000 780.00 150.5 172.2 181 1 46 55.32% YES
COST 260918C00880000 880.00 75 76.7 83.6 2 42 32.65% YES
COST 260918C00820000 820.00 112.8 133.65 141.5 2 41 45.76% YES
COST 260918C00720000 720.00 237.9 232.8 241.45 6 33 60.19% YES
COST 260918C00640000 640.00 312.88 311.45 321 12 31 76.20% YES
COST 260918C00740000 740.00 215.7 213.1 220.45 2 29 54.16% YES
COST 260918C00700000 700.00 257.65 252.35 260.6 6 29 62.52% YES
COST 260918C00870000 870.00 97.3 86.2 92.4 1 28 33.81% YES
COST 260918C00620000 620.00 333.04 331.15 341 14 27 80.53% YES
COST 260918C00680000 680.00 282.27 271.4 281 6 27 66.14% YES
COST 260918C00760000 760.00 168.45 193.2 200.95 1 25 50.46% YES
COST 260918C00830000 830.00 122.73 123.5 131.1 1 20 42.43% YES
COST 260918C00905000 905.00 59.5 54.4 61.55 1 18 28.75% YES
COST 260918C00885000 885.00 76.83 72.3 78.15 2 18 30.65% YES
COST 260918C01420000 1420.00 2.99 0 8.55 1 16 76.90%
COST 260918C00540000 540.00 409.22 411.05 420.15 5 14 99.13% YES
COST 260918C00660000 660.00 294.9 291.6 300.65 6 14 70.67% YES
COST 260918C00580000 580.00 365.03 371.25 380.3 1 12 89.28% YES
COST 260918C00560000 560.00 398.43 391.15 400.4 4 10 94.78% YES
COST 260918C00875000 875.00 80.72 81.45 87.4 4 10 32.44% YES
COST 260918C00755000 755.00 203.15 197.6 205.85 4 9 50.48% YES
COST 260918C00500000 500.00 446.04 451 460.6 5 8 112.65% YES
COST 260918C00745000 745.00 210.83 207.3 215.8 4 8 52.19% YES
COST 260918C00845000 845.00 114.1 110.2 116.4 8 7 39.00% YES
COST 260918C00480000 480.00 434.28 471 480.55 1 7 118.77% YES
COST 260918C00895000 895.00 62.7 62.9 68.5 14 7 28.23% YES
COST 260918C00750000 750.00 208.1 202.15 211.45 6 7 51.90% YES
COST 260918C00810000 810.00 164.55 143.05 151.25 8 6 47.93% YES
COST 260918C00795000 795.00 179.2 157.95 166.1 0 5 51.58% YES
COST 260918C00855000 855.00 100.7 100.5 106.7 10 5 36.82% YES
COST 260918C00815000 815.00 142.25 137.45 146.3 8 5 46.71% YES
COST 260918C00490000 490.00 466.12 461 470.55 4 5 115.58% YES
COST 260918C00785000 785.00 188.95 167.2 176.05 0 5 54.11% YES
COST 260918C00805000 805.00 169.45 148.2 156 0 4 48.76% YES
COST 260918C00770000 770.00 147.62 182.05 191.75 1 2 59.55% YES
COST 260918C00775000 775.00 199 177.3 185.95 0 1 56.54% YES
COST 260918C00835000 835.00 115.7 118.9 126.2 0 1 41.29% YES
COST 260918C00790000 790.00 148.18 162.25 171.1 0 1 52.89% YES
COST 260918C01380000 1380.00 1 0 0 2 0 25.00%
COST 260918C01360000 1360.00 1.01 0 0 8 0 25.00%

COST Put Options Chain – 2026-09-18

The table below lists all put options on COST expiring on 2026-09-18. 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
COST 260918P00500000 500.00 0.03 0 0.05 16 2502 67.97%
COST 260918P00900000 900.00 4.74 4.05 5 108 1437 20.31%
COST 260918P00910000 910.00 6.3 5.6 7 102 1392 20.29%
COST 260918P00490000 490.00 0.35 0 6.8 1 1222 123.87%
COST 260918P00840000 840.00 0.6 0.38 0.79 127 1178 23.24%
COST 260918P00480000 480.00 0.02 0 0.12 10 1138 77.34%
COST 260918P00880000 880.00 2.23 1.96 2.54 63 1109 20.77%
COST 260918P00920000 920.00 8.3 8.05 9 82 1054 19.68%
COST 260918P00470000 470.00 0.03 0 0.12 21 1015 79.69%
COST 260918P00640000 640.00 0.03 0 6.55 1 899 78.93%
COST 260918P00890000 890.00 3.18 2.66 3.55 126 897 20.46%
COST 260918P00870000 870.00 1.58 1.36 1.78 24 887 21.06%
COST 260918P00600000 600.00 0.05 0 0.06 3 886 50.39%
COST 260918P00850000 850.00 0.77 0.7 0.85 20 874 21.70%
COST 260918P00540000 540.00 0.03 0 0.05 5 837 60.16%
COST 260918P00800000 800.00 0.55 0.16 0.75 1 785 30.32%
COST 260918P00740000 740.00 0.03 0 0.15 63 735 33.74%
COST 260918P00820000 820.00 0.35 0.02 0.44 13 705 24.51%
COST 260918P00930000 930.00 11.6 10.55 11.75 82 607 19.32%
COST 260918P00885000 885.00 2.79 2.16 3 50 604 20.60%
COST 260918P00980000 980.00 32.28 34.8 38.65 11 589 20.16% YES
COST 260918P00760000 760.00 0.12 0 0.14 4 587 30.32%
COST 260918P00875000 875.00 1.9 1.65 2.13 48 505 20.91%
COST 260918P00520000 520.00 0.04 0.01 0.06 20 459 65.82%
COST 260918P00895000 895.00 4.1 3.2 4.15 38 437 20.26%
COST 260918P00905000 905.00 5.69 4.75 6.3 34 431 20.78%
COST 260918P00745000 745.00 0.05 0.02 0.39 140 400 37.04%
COST 260918P00560000 560.00 0.01 0 0.05 41 397 56.64%
COST 260918P00940000 940.00 14.72 13.8 15.65 41 383 19.44%
COST 260918P01000000 1000.00 52.49 49.35 53.55 4 372 20.19% YES
COST 260918P00620000 620.00 0.01 0 0.15 1 362 51.07%
COST 260918P00965000 965.00 27.83 25.2 29.45 2 354 20.53% YES
COST 260918P00860000 860.00 1.11 0.87 1.24 34 344 21.38%
COST 260918P00810000 810.00 0.9 0.01 0.81 1 325 28.86%
COST 260918P00950000 950.00 18.92 17 21 58 310 20.20%
COST 260918P00780000 780.00 0.12 0 0.67 11 297 33.44%
COST 260918P00865000 865.00 1.6 1.04 1.84 3 292 22.25%
COST 260918P00960000 960.00 24.6 22.1 24.7 19 290 18.85% YES
COST 260918P00770000 770.00 0.21 0 0.68 5 250 35.35%
COST 260918P00750000 750.00 0.04 0 0.41 68 245 36.38%
COST 260918P00580000 580.00 0.03 0 0.12 25 242 57.23%
COST 260918P00700000 700.00 0.04 0 0.68 2 226 48.76%
COST 260918P00925000 925.00 10.3 8.7 10.7 64 208 19.91%
COST 260918P00955000 955.00 22.1 19.4 23.55 20 205 20.23% YES
COST 260918P00915000 915.00 7.85 6.7 8.05 68 190 20.11%
COST 260918P00830000 830.00 0.43 0.19 0.5 7 185 23.26%
COST 260918P00990000 990.00 43.45 41.35 45.6 1 181 19.93% YES
COST 260918P00660000 660.00 0.03 0 1.7 1 181 58.72%
COST 260918P00970000 970.00 29.67 27.15 32.4 6 165 20.45% YES
COST 260918P00935000 935.00 14.25 11.4 14.3 11 164 20.04%
COST 260918P00945000 945.00 17.35 14.8 18.15 15 161 19.75%
COST 260918P00680000 680.00 0.01 0.01 0.67 1 153 52.66%
COST 260918P00805000 805.00 0.31 0.06 0.56 1 148 28.08%
COST 260918P00815000 815.00 0.29 0.01 0.77 1 138 27.70%
COST 260918P01020000 1020.00 77.18 65.9 69.75 1 115 19.24% YES
COST 260918P00855000 855.00 0.77 0.22 1.01 8 107 21.47%
COST 260918P00845000 845.00 0.7 0.6 1 3 106 23.30%
COST 260918P00825000 825.00 0.36 0.19 1.08 6 74 27.45%
COST 260918P01040000 1040.00 97.92 84.7 89.6 6 60 22.72% YES
COST 260918P00720000 720.00 0.01 0 0.69 1 58 44.93%
COST 260918P00835000 835.00 0.8 0.18 0.71 1 54 23.71%
COST 260918P00975000 975.00 33.55 31.45 34 33 48 18.94% YES
COST 260918P00795000 795.00 0.2 0 0.53 64 43 29.60%
COST 260918P00785000 785.00 0.28 0 0.46 25 41 30.74%
COST 260918P01060000 1060.00 138.3 101.5 110.2 2 41 27.47% YES
COST 260918P00790000 790.00 0.2 0 1.01 9 41 33.79%
COST 260918P01005000 1005.00 64.56 53.4 57.75 1 20 20.40% YES
COST 260918P01010000 1010.00 70 57.2 62.75 12 17 21.54% YES
COST 260918P00985000 985.00 35.66 37.75 41.95 2 12 19.95% YES
COST 260918P00775000 775.00 0.26 0 1.23 2 9 37.95%
COST 260918P00995000 995.00 58.05 43.85 50.65 2 8 21.31% YES
COST 260918P00755000 755.00 0.59 0 1.13 5 8 41.37%
COST 260918P01015000 1015.00 69.59 61.5 67.05 4 5 21.72% YES
COST 260918P00765000 765.00 0.8 0 1.05 1 4 38.89%
COST 260918P01100000 1100.00 139.25 141.45 151 3 1 35.92% YES
COST 260918P01360000 1360.00 423.05 461 470 2 0 148.99% YES
COST 260918P01240000 1240.00 286.82 0 0 5 0 0.00% YES
COST 260918P01080000 1080.00 160.04 121.55 131 2 0 32.53% YES
COST 260918P01340000 1340.00 288.5 350 359 0 0 0.00% YES
COST 260918P01280000 1280.00 343.3 360 366.45 2 0 111.35% YES
COST 260918P01160000 1160.00 167.15 0 0 2 0 0.00% YES
COST 260918P01200000 1200.00 251 0 0 1 0 0.00% YES
COST 260918P01140000 1140.00 191.45 181.65 191 1 0 42.30% YES
COST 260918P01300000 1300.00 280 320.6 328.9 0 0 0.00% YES
COST 260918P01120000 1120.00 177.28 161.45 171 1 0 39.17% YES
COST 260918P01540000 1540.00 593.55 581.65 591 0 0 89.72% YES
COST 260918P01180000 1180.00 232.64 0 0 1 0 0.00% YES

COST 2026-09-18 Options Chain FAQ

1. What does this COST options chain for 2026-09-18 show?

This page displays the full COST options chain for contracts expiring on 2026-09-18. 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.

2. How can I use this COST options chain around key events?

Around earnings, macro data releases, or company-specific news, traders often focus on a single expiration such as 2026-09-18. 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 COST.

3. What is the difference between in-the-money and out-of-the-money options here?

The ITM column highlights whether a contract is currently in-the-money for COST: 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.

4. How should I read implied volatility (IV) in this COST options table?

Implied volatility reflects how much movement the market expects for COST between now and 2026-09-18. 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.

5. Can this single-expiry chain replace a full multi-expiry options overview?

No. This 2026-09-18 options chain gives a granular view for one maturity only. For a complete picture of positioning in COST, 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.

6. How often is this COST options chain for 2026-09-18 updated?

The COST 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 2026-09-18 approaches.