WhaleQuant.io

COST Options Chain – 2026-08-21

Detailed COST options chain for 2026-08-21 – 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 — 2026-08-21 Expiration

This page focuses on a single options expiration date for COST – 2026-08-21 – 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 2026-08-21.

This COST 2026-08-21 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 — 2026-08-21 Expiration

The table below shows all call options on COST expiring on 2026-08-21. 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 260821C01000000 1000.00 0.45 0.35 0.5 544 2037 26.76%
COST 260821C00970000 970.00 3.18 2.92 4 157 1869 25.39%
COST 260821C01100000 1100.00 0.02 0.01 0.02 32 1712 45.70%
COST 260821C00980000 980.00 1.69 1.4 2 299 1392 25.32%
COST 260821C01060000 1060.00 0.02 0.01 0.02 152 1166 34.77%
COST 260821C01050000 1050.00 0.04 0.02 0.11 227 1161 38.38%
COST 260821C01140000 1140.00 0.01 0 0.02 4 1068 53.13%
COST 260821C00950000 950.00 11.2 10.55 11.5 172 1032 24.27% YES
COST 260821C01200000 1200.00 0.01 0 1 20 1025 98.63%
COST 260821C00960000 960.00 5.75 5.95 6.45 231 922 23.38%
COST 260821C01480000 1480.00 0.03 0 0.03 80 818 125.00%
COST 260821C01020000 1020.00 0.08 0.01 0.12 34 766 28.47%
COST 260821C01040000 1040.00 0.04 0.04 0.05 47 648 32.03%
COST 260821C01075000 1075.00 0.04 0.01 0.02 20 629 39.06%
COST 260821C01120000 1120.00 0.01 0 0.02 6 621 50.78%
COST 260821C00990000 990.00 0.8 0.66 0.89 129 547 25.20%
COST 260821C01065000 1065.00 0.59 0 0.21 3 543 46.97%
COST 260821C01160000 1160.00 0.03 0 0.1 34 506 66.21%
COST 260821C00965000 965.00 5.26 4.5 5 178 474 24.17%
COST 260821C00975000 975.00 2.69 2 2.76 132 471 24.98%
COST 260821C01080000 1080.00 0.01 0.01 0.02 10 455 40.43%
COST 260821C01005000 1005.00 0.24 0 0.48 72 454 28.76%
COST 260821C01025000 1025.00 0.06 0.05 0.13 9 435 30.57%
COST 260821C01055000 1055.00 0.03 0.01 0.08 86 403 38.57%
COST 260821C01070000 1070.00 0.01 0 0.14 2 390 46.19%
COST 260821C01180000 1180.00 0.18 0 0.02 39 362 62.50%
COST 260821C00995000 995.00 0.59 0.44 0.79 72 355 26.98%
COST 260821C00940000 940.00 15.6 15.35 20 20 354 30.52% YES
COST 260821C00955000 955.00 8.49 8.05 9.05 160 341 24.54%
COST 260821C00942500 942.50 16.3 13.8 18.25 9 335 30.19% YES
COST 260821C01030000 1030.00 0.16 0 0.34 50 334 37.13%
COST 260821C00985000 985.00 1.17 0.83 1.49 168 333 25.97%
COST 260821C01085000 1085.00 0.01 0 0.21 4 292 53.71%
COST 260821C01240000 1240.00 0.01 0 0.01 1 290 71.88%
COST 260821C01015000 1015.00 0.19 0.01 0.19 31 266 28.44%
COST 260821C00920000 920.00 31.38 33.65 37.6 20 256 39.33% YES
COST 260821C01440000 1440.00 0.03 0 0.04 16 238 120.31%
COST 260821C01400000 1400.00 0.09 0 0.16 2 234 126.17%
COST 260821C01320000 1320.00 0.05 0 0.02 61 223 92.19%
COST 260821C01220000 1220.00 0.01 0 0.01 17 219 67.19%
COST 260821C01010000 1010.00 0.16 0.09 0.28 35 216 28.17%
COST 260821C01340000 1340.00 0.08 0 0.16 49 215 113.28%
COST 260821C00952500 952.50 9.05 9.15 10.85 68 193 25.98% YES
COST 260821C01420000 1420.00 0.02 0 0.04 3 190 116.41%
COST 260821C01300000 1300.00 0.01 0 0.02 11 185 87.50%
COST 260821C00962500 962.50 4.75 4.95 5.85 55 179 24.23%
COST 260821C00925000 925.00 28.97 28.9 32.85 17 175 36.47% YES
COST 260821C00945000 945.00 13.15 12.05 16.15 13 170 28.75% YES
COST 260821C00930000 930.00 23.65 24.3 29.45 5 155 37.71% YES
COST 260821C01260000 1260.00 0.01 0 0.04 4 155 83.98%
COST 260821C01035000 1035.00 0.07 0.01 0.21 41 152 36.38%
COST 260821C00910000 910.00 43.6 41.45 47.35 28 136 45.55% YES
COST 260821C00800000 800.00 153.85 151.65 156.95 1 132 86.67% YES
COST 260821C00900000 900.00 52.88 51.5 57.3 1 132 52.28% YES
COST 260821C01045000 1045.00 0.06 0.02 0.21 14 128 39.99%
COST 260821C00935000 935.00 20.25 19 23 4 118 29.04% YES
COST 260821C00915000 915.00 37.31 37.2 42 20 108 40.59% YES
COST 260821C00957500 957.50 6.65 6.95 8.15 38 104 25.12%
COST 260821C01360000 1360.00 0.01 0 0.14 32 98 116.21%
COST 260821C00967500 967.50 4.35 3.55 4.85 20 96 25.89%
COST 260821C01380000 1380.00 0.01 0 0.17 1 93 122.66%
COST 260821C01280000 1280.00 0.02 0 0.04 4 81 88.28%
COST 260821C00972500 972.50 2.87 2.23 3.2 115 76 24.73%
COST 260821C00947500 947.50 11.85 10.6 14.2 6 71 27.56% YES
COST 260821C01460000 1460.00 0.08 0 0.15 18 66 137.50%
COST 260821C00805000 805.00 158.24 145.3 152.9 60 66 80.22% YES
COST 260821C00885000 885.00 76.1 66.35 72.25 3 64 62.19% YES
COST 260821C00860000 860.00 102.98 90.7 98 2 53 56.15% YES
COST 260821C00922500 922.50 28.5 30.1 35.45 19 48 38.73% YES
COST 260821C00840000 840.00 113.84 110.6 117.95 1 42 65.48% YES
COST 260821C00600000 600.00 359.8 349.6 358.6 1 41 194.34% YES
COST 260821C00917500 917.50 34.9 35.95 40.1 14 38 41.16% YES
COST 260821C00895000 895.00 61.41 56.45 63.4 1 35 60.60% YES
COST 260821C00875000 875.00 99.75 76.8 83 10 32 53.61% YES
COST 260821C00870000 870.00 93.45 81.6 88 2 31 55.52% YES
COST 260821C00850000 850.00 105.18 101.3 106.45 3 29 53.54% YES
COST 260821C00880000 880.00 73.38 72.85 77.9 2 29 54.38% YES
COST 260821C00890000 890.00 62.88 61.4 68.45 3 26 64.37% YES
COST 260821C00720000 720.00 205 230.5 238.3 2 25 132.23% YES
COST 260821C00912500 912.50 40.62 39 46.4 12 25 49.74% YES
COST 260821C00937500 937.50 27.11 17.55 22.35 12 23 32.39% YES
COST 260821C00780000 780.00 162.2 170.95 178.5 1 20 104.44% YES
COST 260821C00795000 795.00 174.9 144.05 152.95 16 19 0.00% YES
COST 260821C00927500 927.50 29.12 26.4 32.05 1 19 40.11% YES
COST 260821C00905000 905.00 47.23 46.95 53.25 4 18 52.80% YES
COST 260821C00820000 820.00 166.9 130.3 137.95 3 16 73.17% YES
COST 260821C00932500 932.50 32.6 21.15 26.65 3 15 34.68% YES
COST 260821C00830000 830.00 123.5 121.75 127.95 1 15 78.20% YES
COST 260821C00700000 700.00 250.74 249.1 258.85 1 13 131.20% YES
COST 260821C00765000 765.00 202.15 184.4 193.4 0 10 95.07% YES
COST 260821C00785000 785.00 176.12 153 162.25 5 8 0.00% YES
COST 260821C00480000 480.00 449.54 469.1 478.4 1 7 251.17% YES
COST 260821C00865000 865.00 92.75 85.7 93 2 6 53.56% YES
COST 260821C00845000 845.00 116.74 105.35 112.95 1 5 61.04% YES
COST 260821C00500000 500.00 454.73 449.55 458.55 5 5 259.86% YES
COST 260821C00560000 560.00 398.48 389.15 398.55 4 4 206.15% YES
COST 260821C00855000 855.00 100.35 96.75 102.95 2 3 64.32% YES
COST 260821C00580000 580.00 374.9 370.4 378.65 1 3 222.85% YES
COST 260821C00620000 620.00 337.25 329.6 338.25 1 3 174.02% YES
COST 260821C00640000 640.00 248.95 368.3 375.85 2 3 529.46% YES
COST 260821C00760000 760.00 187.85 190.25 198.55 1 3 109.96% YES
COST 260821C00490000 490.00 373.4 451.05 459.3 4 2 0.00% YES
COST 260821C00835000 835.00 107.65 115.6 122.4 2 2 63.33% YES
COST 260821C00520000 520.00 344.05 424.15 431.7 2 2 0.00% YES
COST 260821C00775000 775.00 209.89 163.85 156.65 1 1 0.00% YES
COST 260821C00750000 750.00 196.4 199.05 208.8 0 1 103.37% YES
COST 260821C00755000 755.00 167 194.45 203.3 0 1 99.17% YES
COST 260821C00810000 810.00 158.38 141.7 147.9 1 1 88.72% YES
COST 260821C00770000 770.00 161.3 179.4 188.4 1 1 92.58% YES
COST 260821C00660000 660.00 346.2 0 0 1 0 0.00% YES
COST 260821C00740000 740.00 214.3 0 0 2 0 0.00% YES
COST 260821C00680000 680.00 390.7 0 0 14 0 0.00% YES
COST 260821C00790000 790.00 191.45 0 0 6 0 0.00% YES
COST 260821C00815000 815.00 168 0 0 3 0 0.00% YES

COST Put Options Chain – 2026-08-21

The table below lists all put options on COST expiring on 2026-08-21. 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 260821P00900000 900.00 0.23 0.13 0.34 201 1886 29.47%
COST 260821P00600000 600.00 0.03 0 0.01 39 1821 125.00%
COST 260821P00850000 850.00 0.05 0.02 0.1 54 1267 44.92%
COST 260821P00540000 540.00 0.02 0 0.06 1 1149 173.44%
COST 260821P00780000 780.00 0.01 0 0.67 10 1140 85.60%
COST 260821P00785000 785.00 0.01 0 0.67 1 1095 83.20%
COST 260821P00840000 840.00 0.03 0.01 0.06 2 1015 46.29%
COST 260821P00950000 950.00 6.75 6.3 7.3 177 1010 22.50%
COST 260821P00895000 895.00 0.17 0.1 0.25 62 917 30.27%
COST 260821P00620000 620.00 0.01 0 0.02 4 881 121.88%
COST 260821P00890000 890.00 0.11 0.03 0.21 19 878 31.69%
COST 260821P00770000 770.00 0.06 0 0.07 1 813 70.70%
COST 260821P00925000 925.00 1.04 0.9 1.15 382 811 23.17%
COST 260821P00870000 870.00 0.06 0 0.2 24 788 40.23%
COST 260821P00920000 920.00 0.73 0.61 0.8 297 709 23.87%
COST 260821P00915000 915.00 0.52 0.4 0.54 122 696 24.43%
COST 260821P00935000 935.00 2.47 1.96 2.8 198 660 23.47%
COST 260821P00820000 820.00 0.04 0.01 0.07 29 646 51.95%
COST 260821P00815000 815.00 0.01 0.01 0.11 115 644 56.06%
COST 260821P00660000 660.00 0.01 0 0.01 16 623 100.00%
COST 260821P00640000 640.00 0.01 0 0.01 56 621 109.38%
COST 260821P00480000 480.00 0.01 0 0.01 2 610 181.25%
COST 260821P00520000 520.00 0.01 0 0.01 1 597 162.50%
COST 260821P00952500 952.50 8.51 6.7 9.2 96 578 24.35%
COST 260821P00905000 905.00 0.34 0.14 0.45 32 570 28.52%
COST 260821P00560000 560.00 0.03 0 0.06 20 567 162.50%
COST 260821P00930000 930.00 1.5 1.23 1.9 271 558 23.60%
COST 260821P00830000 830.00 0.04 0.03 0.05 142 547 49.22%
COST 260821P00860000 860.00 0.03 0.02 0.1 345 542 40.82%
COST 260821P00800000 800.00 0.01 0 0.11 24 539 61.52%
COST 260821P00880000 880.00 0.06 0.03 0.18 5 535 35.30%
COST 260821P00580000 580.00 0.01 0 0.08 3 534 156.25%
COST 260821P00960000 960.00 11.18 10.3 13.5 35 529 24.81% YES
COST 260821P00720000 720.00 0.01 0 0.02 13 497 82.03%
COST 260821P00760000 760.00 0.01 0 0.02 22 488 67.19%
COST 260821P00910000 910.00 0.38 0.15 0.53 109 478 26.89%
COST 260821P00940000 940.00 3.99 2.54 4 351 459 23.32%
COST 260821P00955000 955.00 9.89 8 10.55 119 444 24.55% YES
COST 260821P00865000 865.00 0.07 0.03 0.19 28 423 42.09%
COST 260821P00855000 855.00 0.04 0.01 0.15 194 419 45.02%
COST 260821P01000000 1000.00 48.36 43 48.75 2 409 38.29% YES
COST 260821P00885000 885.00 0.06 0 0.49 32 404 38.84%
COST 260821P00845000 845.00 0.07 0 0.29 15 396 53.86%
COST 260821P00805000 805.00 0.03 0.01 0.08 9 384 58.40%
COST 260821P00790000 790.00 0.01 0 0.67 10 348 80.81%
COST 260821P00835000 835.00 0.01 0 0.05 122 323 47.27%
COST 260821P00750000 750.00 0.01 0 0.31 5 316 91.21%
COST 260821P00875000 875.00 0.1 0 0.23 14 304 38.82%
COST 260821P00740000 740.00 0.01 0 0.04 8 301 78.91%
COST 260821P00942500 942.50 4.69 3.45 4.65 51 275 23.02%
COST 260821P00945000 945.00 4.88 4.6 5.5 120 274 23.02%
COST 260821P00700000 700.00 0.01 0 0.05 10 263 96.09%
COST 260821P00490000 490.00 0.01 0 0.01 10 260 175.00%
COST 260821P00932500 932.50 2.08 1.61 2.35 186 258 23.66%
COST 260821P00980000 980.00 27.91 26.2 28.85 23 256 26.76% YES
COST 260821P00680000 680.00 0.01 0 0.1 14 244 111.33%
COST 260821P00927500 927.50 1.51 0.9 1.6 265 242 23.91%
COST 260821P00962500 962.50 13.05 11.75 15.65 271 235 26.36% YES
COST 260821P00922500 922.50 0.94 0.65 0.92 115 206 23.27%
COST 260821P00917500 917.50 0.64 0.42 0.74 49 191 24.79%
COST 260821P00912500 912.50 0.5 0.2 0.64 21 188 26.64%
COST 260821P00985000 985.00 34.12 29.5 35.35 12 185 35.72% YES
COST 260821P00975000 975.00 24.37 19.6 25.95 3 182 30.63% YES
COST 260821P00755000 755.00 0.01 0 0.11 32 173 79.69%
COST 260821P00825000 825.00 0.05 0.01 0.07 198 169 50.00%
COST 260821P00500000 500.00 0.05 0 0.01 1 162 171.88%
COST 260821P00795000 795.00 0.13 0 0.67 3 148 78.42%
COST 260821P00970000 970.00 18.7 16.5 21.8 17 145 29.27% YES
COST 260821P00965000 965.00 15.1 13.05 17.55 4 144 27.07% YES
COST 260821P00990000 990.00 38.59 33.35 39.95 1 143 37.51% YES
COST 260821P00745000 745.00 0.01 0.01 0.03 10 139 76.56%
COST 260821P00810000 810.00 0.03 0.01 0.14 65 135 59.47%
COST 260821P00775000 775.00 0.03 0 0.15 20 110 73.83%
COST 260821P00937500 937.50 2.6 2.03 3.35 72 108 23.37%
COST 260821P00765000 765.00 0.07 0 0.67 12 98 92.87%
COST 260821P00947500 947.50 6.09 4.8 6.45 84 88 23.02%
COST 260821P00957500 957.50 11.21 9.15 12 4 88 24.74% YES
COST 260821P00995000 995.00 49 37.75 44.8 15 57 40.06% YES
COST 260821P01020000 1020.00 66.4 62.8 68.65 33 36 48.52% YES
COST 260821P00967500 967.50 16.5 15.25 19.2 4 33 26.89% YES
COST 260821P01005000 1005.00 61.8 47.6 54.45 2 31 44.50% YES
COST 260821P01060000 1060.00 106.4 102.55 108.6 32 21 67.59% YES
COST 260821P00972500 972.50 16.4 18.9 23.05 0 17 27.47% YES
COST 260821P01010000 1010.00 47.85 53.45 58.9 1 12 44.60% YES
COST 260821P01080000 1080.00 126.58 122.25 128.6 8 8 76.55% YES
COST 260821P01040000 1040.00 81.05 82.65 90 12 6 66.38% YES
COST 260821P01085000 1085.00 136.01 127.25 133.7 6 0 79.53% YES
COST 260821P01260000 1260.00 179.6 0 0 2 0 0.00% YES
COST 260821P01025000 1025.00 70.95 67.95 73.85 1 0 52.26% YES
COST 260821P01240000 1240.00 240.35 0 0 2 0 0.00% YES
COST 260821P01220000 1220.00 271.3 0 0 2 0 0.00% YES
COST 260821P01280000 1280.00 291.65 0 0 1 0 0.00% YES
COST 260821P01050000 1050.00 72.47 92.85 98.85 1 0 64.65% YES
COST 260821P01180000 1180.00 180.9 0 0 2 0 0.00% YES
COST 260821P01160000 1160.00 214.04 0 0 1 0 0.00% YES
COST 260821P01140000 1140.00 143.4 0 0 2 0 0.00% YES
COST 260821P01075000 1075.00 121.6 118.65 123.85 8 0 76.23% YES
COST 260821P01055000 1055.00 93.41 98.7 103.6 10 0 65.28% YES
COST 260821P01120000 1120.00 178.87 162.65 170.3 14 0 106.30% YES
COST 260821P01100000 1100.00 153.9 142.25 150.45 1 0 98.27% YES
COST 260821P01045000 1045.00 94.1 87.65 94.9 0 0 68.43% YES
COST 260821P01065000 1065.00 116.06 108.45 113.85 0 0 71.68% YES

COST 2026-08-21 Options Chain FAQ

1. What does this COST options chain for 2026-08-21 show?

This page displays the full COST options chain for contracts expiring on 2026-08-21. 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 2026-08-21. 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 2026-08-21. 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 2026-08-21 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 2026-08-21 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 2026-08-21 approaches.