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ASML Options Chain – 2028-01-21

Detailed ASML options chain for 2028-01-21 – 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 ASML.

ASML Call Options — 2028-01-21 Expiration

This page focuses on a single options expiration date for ASML – 2028-01-21 – 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 ASML into 2028-01-21.

This ASML 2028-01-21 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.

ASML Call Options — 2028-01-21 Expiration

The table below shows all call options on ASML expiring on 2028-01-21. 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
ASML 280121C02000000 2000.00 357.1 345.1 357.1 18 570 51.40%
ASML 280121C02900000 2900.00 153 151.7 162.5 9 435 51.40%
ASML 280121C02200000 2200.00 293.2 282 300 2 307 51.20%
ASML 280121C02220000 2220.00 293.7 276 292.2 2 256 51.00%
ASML 280121C02240000 2240.00 231.38 270 290 2 236 51.13%
ASML 280121C02180000 2180.00 309.5 291 302.7 1 204 51.26%
ASML 280121C02800000 2800.00 171.75 165.8 176.7 1 197 51.38%
ASML 280121C02400000 2400.00 246.53 232.3 252 1 173 51.13%
ASML 280121C01900000 1900.00 394.12 380.2 393.3 2 152 51.65%
ASML 280121C02340000 2340.00 221.2 248.3 266 8 144 51.31%
ASML 280121C01560000 1560.00 462.2 528 548 2 125 53.11% YES
ASML 280121C01500000 1500.00 559.95 564 578 1 124 53.65% YES
ASML 280121C01800000 1800.00 435.12 420.3 434.6 3 103 52.13% YES
ASML 280121C02020000 2020.00 358.7 338.8 354 1 93 51.61%
ASML 280121C02120000 2120.00 307.33 307.9 319.7 18 92 51.29%
ASML 280121C02160000 2160.00 300.69 292 312 60 88 51.23%
ASML 280121C02760000 2760.00 183 171.6 182.5 2 70 51.34%
ASML 280121C02140000 2140.00 280.4 298 314 1 70 51.04%
ASML 280121C01200000 1200.00 780 748 768 1 67 56.85% YES
ASML 280121C01600000 1600.00 405.34 508 528 4 63 52.94% YES
ASML 280121C02100000 2100.00 284.17 313.9 330 1 62 51.58%
ASML 280121C02500000 2500.00 223.15 216.7 232 30 61 51.52%
ASML 280121C02300000 2300.00 195.8 256 274 6 60 51.12%
ASML 280121C01920000 1920.00 394.02 370 385.8 6 59 51.42%
ASML 280121C01400000 1400.00 562.37 618 638 1 54 54.42% YES
ASML 280121C01100000 1100.00 689.6 822 842 1 51 58.92% YES
ASML 280121C01700000 1700.00 493.6 462 478 1 50 52.41% YES
ASML 280121C01380000 1380.00 465.75 630 650 1 49 54.60% YES
ASML 280121C02620000 2620.00 140.3 190 208 2 49 51.17%
ASML 280121C01000000 1000.00 880.17 902 918 1 47 61.41% YES
ASML 280121C02040000 2040.00 289.15 328 348 6 46 51.34%
ASML 280121C01640000 1640.00 366.5 490 506 2 45 52.68% YES
ASML 280121C01520000 1520.00 519.85 552 568 1 43 53.49% YES
ASML 280121C01060000 1060.00 723.1 768 786 4 42 40.01% YES
ASML 280121C02700000 2700.00 195.9 176.1 196 2 39 51.26%
ASML 280121C01980000 1980.00 365.23 352.2 364.3 2 39 51.49%
ASML 280121C01440000 1440.00 619.95 594 614 1 39 54.00% YES
ASML 280121C01360000 1360.00 503 642 662 2 38 54.75% YES
ASML 280121C01780000 1780.00 312.78 430 443.3 20 37 52.31% YES
ASML 280121C02080000 2080.00 246.53 319.9 331.8 2 36 51.34%
ASML 280121C01300000 1300.00 629.05 680 700 1 36 55.40% YES
ASML 280121C01160000 1160.00 694 778 796 1 35 57.61% YES
ASML 280121C01480000 1480.00 525.5 574 590 4 35 53.79% YES
ASML 280121C01020000 1020.00 725 886 902 1 34 60.85% YES
ASML 280121C02060000 2060.00 246.3 326.1 338 1 32 51.36%
ASML 280121C01680000 1680.00 372.16 468 488 2 31 52.34% YES
ASML 280121C01880000 1880.00 400.85 389.9 401.4 1 31 51.87%
ASML 280121C01120000 1120.00 842.5 768 784.9 1 30 51.56% YES
ASML 280121C01460000 1460.00 446.1 582 602 1 30 53.76% YES
ASML 280121C01240000 1240.00 655.44 720 740 2 29 56.19% YES
ASML 280121C01320000 1320.00 760 640 657.7 1 28 50.37% YES
ASML 280121C01340000 1340.00 580 656 674 1 26 55.05% YES
ASML 280121C01720000 1720.00 395.85 454 470 1 26 52.46% YES
ASML 280121C02380000 2380.00 172.8 238 256 3 25 51.19%
ASML 280121C01040000 1040.00 705.73 870 886 1 24 60.28% YES
ASML 280121C01620000 1620.00 487 500 516 1 24 52.82% YES
ASML 280121C01140000 1140.00 783.96 712 730 5 24 42.13% YES
ASML 280121C02460000 2460.00 217.6 220 240 20 23 51.21%
ASML 280121C02320000 2320.00 270 255.5 266.9 1 22 51.24%
ASML 280121C02600000 2600.00 211.8 192 212 1 21 51.09%
ASML 280121C02580000 2580.00 143.5 196.6 216 2 21 51.17%
ASML 280121C01940000 1940.00 378.88 363.2 378.4 3 21 51.39%
ASML 280121C01820000 1820.00 377 412 426 2 19 52.03%
ASML 280121C01960000 1960.00 316.65 356 371.3 10 19 51.34%
ASML 280121C01660000 1660.00 499.13 478 498 1 18 52.52% YES
ASML 280121C01080000 1080.00 808 836 856 2 18 59.10% YES
ASML 280121C01860000 1860.00 361.1 396 409.4 6 18 51.85%
ASML 280121C01840000 1840.00 300.8 400 420 1 17 51.84%
ASML 280121C00860000 860.00 913.11 1012 1032 1 15 64.80% YES
ASML 280121C02440000 2440.00 234.3 228.9 240.2 4 14 51.26%
ASML 280121C01740000 1740.00 458.85 444 460 1 14 52.23% YES
ASML 280121C01220000 1220.00 689.1 734 754 1 14 56.53% YES
ASML 280121C01760000 1760.00 414.38 438 452 2 14 52.36% YES
ASML 280121C01420000 1420.00 464.2 606 626 2 13 54.22% YES
ASML 280121C00800000 800.00 970.45 1066 1082 1 13 67.22% YES
ASML 280121C01260000 1260.00 547.94 708 728 1 12 56.19% YES
ASML 280121C02360000 2360.00 163.4 242 260 2 12 51.12%
ASML 280121C00900000 900.00 804.7 890 908 2 12 0.00% YES
ASML 280121C01580000 1580.00 378.85 518 538 2 12 53.04% YES
ASML 280121C00950000 950.00 835.58 850 870 1 12 34.74% YES
ASML 280121C02420000 2420.00 247.6 233.1 248 5 11 51.47%
ASML 280121C02720000 2720.00 193.5 172 192 2 11 51.15%
ASML 280121C01280000 1280.00 646.1 694 714 1 9 55.81% YES
ASML 280121C00700000 700.00 973.75 1212 1228 1 9 92.81% YES
ASML 280121C00880000 880.00 898 996 1016 6 9 64.39% YES
ASML 280121C00980000 980.00 949.42 866 886 1 9 51.05% YES
ASML 280121C00970000 970.00 1010.15 876 894 2 8 51.12% YES
ASML 280121C02280000 2280.00 230.86 260 280 5 8 51.13%
ASML 280121C02740000 2740.00 187.3 174.8 190 2 8 51.63%
ASML 280121C00930000 930.00 1096 1006 1026 1 8 76.22% YES
ASML 280121C00740000 740.00 1140 1056 1076 3 7 42.79% YES
ASML 280121C00960000 960.00 745 842 862 2 7 35.44% YES
ASML 280121C00890000 890.00 794.27 988 1008 1 7 64.17% YES
ASML 280121C00870000 870.00 826.2 914 932 4 7 0.00% YES
ASML 280121C00850000 850.00 926.8 1020 1040 1 7 64.99% YES
ASML 280121C00780000 780.00 1039.75 1080 1100 1 7 67.54% YES
ASML 280121C02260000 2260.00 277.55 266 284 2 7 51.14%
ASML 280121C00710000 710.00 880 874 894 1 6 0.00% YES
ASML 280121C01180000 1180.00 670 686 700 1 4 42.14% YES
ASML 280121C00810000 810.00 914 962 982 1 4 0.00% YES
ASML 280121C00990000 990.00 814 820 836 1 4 36.04% YES
ASML 280121C00820000 820.00 848.1 1046 1064 1 3 65.86% YES
ASML 280121C00730000 730.00 348.39 395.7 403.9 0 3 0.00% YES
ASML 280121C00910000 910.00 1016 920 940 1 2 50.50% YES
ASML 280121C00680000 680.00 711.25 898 916 1 2 0.00% YES
ASML 280121C00720000 720.00 803.95 1106 1124 1 2 57.45% YES
ASML 280121C02680000 2680.00 122 180 198 1 2 51.21%
ASML 280121C00670000 670.00 841.93 1146 1164 1 1 55.05% YES
ASML 280121C00790000 790.00 1030.14 0 0 8 0 0.00% YES
ASML 280121C02540000 2540.00 296.42 0 0 12 0 6.25%
ASML 280121C01540000 1540.00 596.3 0 0 2 0 0.00% YES
ASML 280121C00940000 940.00 946.85 0 0 1 0 0.00% YES
ASML 280121C00920000 920.00 928.08 0 0 2 0 0.00% YES
ASML 280121C02480000 2480.00 273.5 0 0 4 0 6.25%
ASML 280121C00840000 840.00 1097.2 0 0 1 0 0.00% YES
ASML 280121C00640000 640.00 1155.25 0 0 2 0 0.00% YES
ASML 280121C02560000 2560.00 282.8 0 0 2 0 6.25%
ASML 280121C00750000 750.00 1061.19 0 0 2 0 0.00% YES
ASML 280121C00650000 650.00 1222 0 0 1 0 0.00% YES
ASML 280121C00620000 620.00 1170.61 0 0 8 0 0.00% YES
ASML 280121C02520000 2520.00 271.8 0 0 6 0 6.25%
ASML 280121C00600000 600.00 1188.37 0 0 2 0 0.00% YES
ASML 280121C02660000 2660.00 206.4 0 0 1 0 6.25%
ASML 280121C00580000 580.00 1206.02 0 0 2 0 0.00% YES
ASML 280121C00480000 480.00 1274 0 0 1 0 0.00% YES
ASML 280121C00500000 500.00 1274.94 0 0 8 0 0.00% YES
ASML 280121C00490000 490.00 1284.84 0 0 8 0 0.00% YES
ASML 280121C00760000 760.00 1055.93 0 0 6 0 0.00% YES
ASML 280121C02640000 2640.00 235.2 0 0 6 0 6.25%
ASML 280121C00770000 770.00 1047.63 0 0 6 0 0.00% YES
ASML 280121C00690000 690.00 1184 0 0 1 0 0.00% YES
ASML 280121C00560000 560.00 1222.36 0 0 2 0 0.00% YES
ASML 280121C00540000 540.00 1242.35 0 0 6 0 0.00% YES
ASML 280121C00520000 520.00 1260.07 0 0 6 0 0.00% YES

ASML Put Options Chain – 2028-01-21

The table below lists all put options on ASML expiring on 2028-01-21. 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
ASML 280121P00490000 490.00 5.1 1.05 7.9 2 469 56.07%
ASML 280121P01300000 1300.00 117 98.1 117.9 11 321 44.22%
ASML 280121P01000000 1000.00 43 38 47.7 2 311 46.82%
ASML 280121P00950000 950.00 37.93 31.1 40.7 49 287 47.66%
ASML 280121P01100000 1100.00 61.3 57.5 64.7 4 246 45.37%
ASML 280121P01200000 1200.00 83.7 76.4 86.3 4 244 44.23%
ASML 280121P01800000 1800.00 321.35 314.2 324.5 32 226 40.28%
ASML 280121P01500000 1500.00 179.2 171.8 182.1 2 223 41.90%
ASML 280121P01700000 1700.00 269.12 261.8 271.7 2 207 40.73%
ASML 280121P01400000 1400.00 140.36 134.7 144.9 1 183 42.55%
ASML 280121P01340000 1340.00 129.8 115.1 125.2 1 174 43.01%
ASML 280121P01640000 1640.00 261.55 232.3 248 44 172 41.77%
ASML 280121P00800000 800.00 20.2 19 24 1 164 50.44%
ASML 280121P00580000 580.00 9.4 3.3 11 2 141 53.11%
ASML 280121P01520000 1520.00 182.02 180.2 190.3 1 119 41.79%
ASML 280121P01620000 1620.00 287.2 223.1 238.5 4 119 41.86%
ASML 280121P00990000 990.00 43.34 36.5 46.2 8 118 46.97%
ASML 280121P00480000 480.00 5.8 1 7.6 1 109 56.57%
ASML 280121P00690000 690.00 17.4 2.55 17.3 2 108 54.18%
ASML 280121P00650000 650.00 10.35 6.2 14.9 1 103 51.70%
ASML 280121P01560000 1560.00 255.35 196.7 206.9 2 102 41.53%
ASML 280121P02000000 2000.00 471.43 433.1 450 18 98 40.19% YES
ASML 280121P00520000 520.00 6.16 1.6 9.1 1 97 55.17%
ASML 280121P01480000 1480.00 186.7 164 174.2 1 88 42.02%
ASML 280121P00970000 970.00 40.8 32.8 48 44 85 48.82%
ASML 280121P00830000 830.00 28.93 18.1 27.5 49 80 50.15%
ASML 280121P00850000 850.00 34.4 19.9 34 4 76 51.67%
ASML 280121P00700000 700.00 18.6 3.7 18.8 2 74 54.45%
ASML 280121P00890000 890.00 29.95 24 38 49 69 50.57%
ASML 280121P01720000 1720.00 305.48 271.6 282.1 2 69 40.67%
ASML 280121P01600000 1600.00 241.39 214.1 224.5 3 67 41.31%
ASML 280121P00930000 930.00 35.46 28.6 38.2 49 66 48.04%
ASML 280121P00620000 620.00 11.16 4.9 13.2 1 66 52.36%
ASML 280121P00910000 910.00 31.06 26.3 40.8 49 65 50.29%
ASML 280121P00770000 770.00 22 13.2 22.6 1 64 51.74%
ASML 280121P00820000 820.00 31.1 12.2 31.5 2 64 52.66%
ASML 280121P01160000 1160.00 100.8 67.1 77 2 63 44.64%
ASML 280121P01780000 1780.00 316.4 303.3 313.6 4 63 40.37%
ASML 280121P00750000 750.00 15.69 14.1 19 1 63 51.03%
ASML 280121P01060000 1060.00 54.5 47.6 57.3 1 54 45.89%
ASML 280121P00680000 680.00 16.34 2.8 20 2 53 50.36%
ASML 280121P02500000 2500.00 940 870 886 0 51 47.79% YES
ASML 280121P00790000 790.00 26.8 16.8 23.9 4 51 51.06%
ASML 280121P01240000 1240.00 117.9 86.4 96.3 2 51 43.83%
ASML 280121P00980000 980.00 43.78 36 44.8 1 50 47.15%
ASML 280121P00840000 840.00 25.85 14 34 2 47 52.36%
ASML 280121P00710000 710.00 15.25 9.3 18.4 7 47 50.28%
ASML 280121P00600000 600.00 6.8 4.1 12.3 1 46 52.89%
ASML 280121P01180000 1180.00 106.9 71.7 81.5 2 46 44.42%
ASML 280121P01460000 1460.00 208.27 157 166.8 1 44 42.18%
ASML 280121P00900000 900.00 38.7 20 35.4 16 43 48.91%
ASML 280121P01020000 1020.00 48.58 43.4 50.7 26 43 46.48%
ASML 280121P00640000 640.00 13.2 2.4 14.4 2 42 50.23%
ASML 280121P01420000 1420.00 196 141.7 151.9 2 42 42.41%
ASML 280121P00500000 500.00 4.91 0.05 8.3 1 41 54.65%
ASML 280121P00860000 860.00 25.95 16 35.4 53 41 51.57%
ASML 280121P00870000 870.00 37.1 16 31.3 3 39 49.20%
ASML 280121P01260000 1260.00 120 91.7 101.6 2 37 43.64%
ASML 280121P01820000 1820.00 330.9 326.7 335.6 2 37 40.19% YES
ASML 280121P00730000 730.00 21.2 10.6 19.8 2 37 52.92%
ASML 280121P00740000 740.00 21.76 11.1 24 2 35 50.80%
ASML 280121P01580000 1580.00 209.9 205.2 222 2 33 42.31%
ASML 280121P00720000 720.00 19.8 4.9 19 2 32 53.13%
ASML 280121P00670000 670.00 15.6 2.55 20 2 31 50.95%
ASML 280121P01080000 1080.00 57.2 51.1 60.9 1 30 45.62%
ASML 280121P01040000 1040.00 56.05 45.3 53.9 3 28 46.17%
ASML 280121P01220000 1220.00 119.3 81.2 91.2 2 28 44.03%
ASML 280121P02040000 2040.00 587.8 456 476 1 25 40.04% YES
ASML 280121P00960000 960.00 37.9 32.3 42 8 24 47.48%
ASML 280121P01320000 1320.00 117.27 104 123.9 1 24 44.04%
ASML 280121P00660000 660.00 14.75 2.35 16.2 2 23 55.64%
ASML 280121P01380000 1380.00 172.55 128 138.1 1 21 42.70%
ASML 280121P00540000 540.00 8.1 2.15 9.8 1 20 54.56%
ASML 280121P00920000 920.00 32.5 28.1 36.6 8 20 48.09%
ASML 280121P01280000 1280.00 140 94.2 107.2 2 19 43.48%
ASML 280121P01680000 1680.00 301.56 251.8 268 8 19 41.65%
ASML 280121P00880000 880.00 36.9 20.4 37.3 2 18 50.97%
ASML 280121P01440000 1440.00 205 149 159.1 4 17 42.27%
ASML 280121P01880000 1880.00 362.1 360 370 2 17 39.92% YES
ASML 280121P01360000 1360.00 172.2 116.4 136 24 16 43.61%
ASML 280121P01120000 1120.00 89.5 58.8 73.6 2 13 46.33%
ASML 280121P01140000 1140.00 76.7 62.9 72.7 2 12 44.87%
ASML 280121P01740000 1740.00 310.95 282.1 292.4 2 12 40.57%
ASML 280121P01660000 1660.00 246.8 241.9 258 2 12 41.72%
ASML 280121P01540000 1540.00 196.27 188.2 204 1 8 42.45%
ASML 280121P02240000 2240.00 679.8 594 614 2 6 39.19% YES
ASML 280121P00940000 940.00 90.52 49.3 59.1 1 6 52.79%
ASML 280121P00760000 760.00 24.93 12.5 21.8 2 6 51.98%
ASML 280121P02360000 2360.00 840.21 684 704 2 5 38.79% YES
ASML 280121P02400000 2400.00 716.02 714 734 1 4 38.53% YES
ASML 280121P01840000 1840.00 337.9 336.4 354 2 3 40.98% YES
ASML 280121P02200000 2200.00 568.68 569 586 1 3 39.45% YES
ASML 280121P02680000 2680.00 942.58 940 960 2 2 37.20% YES
ASML 280121P02700000 2700.00 1054 1060 1080 0 2 50.31% YES
ASML 280121P02260000 2260.00 752 684.5 699.4 1 2 47.87% YES
ASML 280121P02180000 2180.00 621 550 570 0 2 39.31% YES
ASML 280121P02380000 2380.00 828 772 790 0 1 47.70% YES
ASML 280121P02340000 2340.00 930.59 776 791.2 1 1 50.73% YES
ASML 280121P02660000 2660.00 1034 1028 1048 0 1 50.49% YES
ASML 280121P02640000 2640.00 1008 1012 1032 0 1 50.56% YES
ASML 280121P02800000 2800.00 1088.75 1044 1060 4 1 36.19% YES
ASML 280121P02460000 2460.00 987.7 830 848 8 1 47.04% YES
ASML 280121P02440000 2440.00 854.6 746 764 4 1 38.20% YES
ASML 280121P02900000 2900.00 1220 1208 1222 0 1 47.70% YES
ASML 280121P02320000 2320.00 776 768 786 0 1 51.80% YES
ASML 280121P02060000 2060.00 517.66 472.3 488 2 1 39.81% YES
ASML 280121P02220000 2220.00 740.27 642 658 0 1 46.47% YES
ASML 280121P02120000 2120.00 555.3 512.9 528 1 1 39.52% YES
ASML 280121P02140000 2140.00 712.45 582 600 1 1 46.53% YES
ASML 280121P01940000 1940.00 462.7 0 0 1 0 0.00% YES
ASML 280121P00780000 780.00 34.2 0 0 8 0 12.50%
ASML 280121P01920000 1920.00 450.6 0 0 1 0 0.00% YES
ASML 280121P01860000 1860.00 415.7 0 0 1 0 0.00% YES
ASML 280121P01980000 1980.00 486 0 0 1 0 0.00% YES
ASML 280121P01960000 1960.00 473.9 0 0 1 0 0.00% YES
ASML 280121P01760000 1760.00 362.54 0 0 8 0 0.39%
ASML 280121P00810000 810.00 38.6 0 0 2 0 12.50%
ASML 280121P02020000 2020.00 512.3 0 0 1 0 0.00% YES
ASML 280121P01900000 1900.00 433.7 0 0 5 0 0.00% YES
ASML 280121P00560000 560.00 16.72 0 0 14 0 12.50%
ASML 280121P02100000 2100.00 499.88 496 516 2 0 39.80% YES

ASML 2028-01-21 Options Chain FAQ

1. What does this ASML options chain for 2028-01-21 show?

This page displays the full ASML options chain for contracts expiring on 2028-01-21. 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 ASML options chain around key events?

Around earnings, macro data releases, or company-specific news, traders often focus on a single expiration such as 2028-01-21. 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 ASML.

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 ASML: 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 ASML options table?

Implied volatility reflects how much movement the market expects for ASML between now and 2028-01-21. 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 2028-01-21 options chain gives a granular view for one maturity only. For a complete picture of positioning in ASML, 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 ASML options chain for 2028-01-21 updated?

The ASML 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 2028-01-21 approaches.