DIA Options History — March 2026 In March 2026, DIA traded between $450.71 and $489.19. ATM implied volatility averaged 20.8%, placing in the 33.4% IV rank vs the trailing year. The 30-day expected move averaged 6.0%. IV traded above realized volatility by 6.0% (HV 20d: 14.8%). Max pain ranged from $465.00 to $490.00. Net GEX was positive for 0 of 22 trading days. Term structure was in contango for 3 of 22 days. Put/call ratio averaged 1.32.
Notable Days 2026-03-05 : Highest Volume — 128,939 contracts2026-03-31 : Largest IV drop — 17.0% change2026-03-27 : Highest IV Rank — 49.2%2026-03-12 : Largest Expected Move — 8.0%Monthly Statistics Metric Avg Min Max Open Close Price $469.00 $450.71 $489.19 $489.19 $463.21 Max Pain $475.59 $465.00 $490.00 $485.00 $465.00 ATM IV 20.8% 16.2% 25.7% 16.4% 21.1% Expected Move 6.0% 4.8% 8.0% 5.0% 6.0% HV 20d 14.8% 12.5% 19.4% 14.9% 19.4% HV 60d 13.6% 12.3% 15.9% 12.3% 15.9% IV Rank 33.4% 18.6% 49.2% 19.2% 34.4% IV Percentile 92.0% 79.8% 97.6% 81.0% 90.1% Term Structure -0.3% -0.9% 0.6% 0.6% 0.2% VWIV 21.5% 17.6% 27.7% 17.6% 21.0% Skew 25d 8.1% 6.3% 9.3% 6.3% 7.7% Skew 10d 17.4% 12.8% 19.5% 12.8% 17.1% Call IV 25d 17.2% 13.3% 22.3% 13.3% 17.6% Put IV 25d 25.3% 19.6% 30.1% 19.6% 25.3% Bid-Ask Spread % 12.86 3.58 20.94 8.19 8.76 Gamma HHI 0.03 0.02 0.09 0.02 0.04 Net GEX -149.3M -286.0M -51.1M -72.1M -51.1M Net DEX 1.69B -347.0M 3.78B -299.9M 1.36B Net VEX -32.6M -34.5M -29.8M -29.8M -32.7M Div Yield 0.0% 0.0% 0.0% 0.0% 0.0% P/C Ratio 1.32 0.66 2.43 0.86 1.58 Total Volume 58,388.409 28,963 128,939 41,735 61,859 Total OI 556,827.364 510,282 608,955 512,192 540,893
Daily Data (22 trading days) Date Price Max Pain ATM IV Exp Move HV 20d IV Rank VWIV Skew 25d Term Str GEX DEX VEX P/C Spread % Call Vol Put Vol Call OI Put OI 2026-03-02 $489.19 $485.00 16.4% 5.0% 14.9% 19.2% 17.6% 6.3% 0.6% -72.1M -299.9M -29.8M 0.86 8.19 22,396 19,339 167,202 344,990 2026-03-03 $485.65 $485.00 17.9% 5.5% 14.6% 24.0% 20.8% 6.9% -0.4% -133.0M 283.6M -30.8M 0.93 7.69 36,688 34,126 172,989 351,596 2026-03-04 $488.65 $483.00 16.2% 4.8% 14.8% 18.6% 19.5% 6.8% -0.1% -72.0M -347.0M -30.2M 1.02 3.58 25,879 26,487 180,018 355,669 2026-03-05 $479.19 $490.00 18.4% 5.1% 15.9% 25.8% 18.4% 7.6% -0.4% -229.0M 1.29B -31.7M 1.25 12.92 57,356 71,583 183,444 361,524 2026-03-06 $475.31 $485.00 21.4% 6.0% 15.5% 35.5% 23.9% 9.2% -0.6% -199.4M 1.54B -33.2M 1.15 11.80 45,725 52,506 211,806 363,997 2026-03-09 $477.91 $485.00 19.1% 5.3% 12.5% 28.0% 18.9% 7.8% -0.6% -68.1M 724.4M -32.0M 1.14 15.32 37,619 42,777 195,066 354,371 2026-03-10 $478.26 $480.00 19.5% 5.4% 12.5% 29.3% 22.6% 8.5% -0.6% -56.9M 708.8M -32.9M 1.82 13.26 30,764 55,936 204,911 359,695 2026-03-11 $474.90 $480.00 19.8% 5.6% 12.5% 30.3% 20.8% 8.7% -0.2% -144.7M 1.36B -33.0M 1.30 10.57 23,636 30,731 206,602 374,798 2026-03-12 $468.44 $480.00 21.7% 8.0% 13.1% 36.5% 21.4% 9.3% -0.9% -201.9M 2.32B -34.0M 1.17 14.22 26,879 31,508 214,479 381,800 2026-03-13 $465.93 $480.00 22.6% 6.2% 12.8% 39.4% 20.1% 9.2% -0.2% -223.8M 2.56B -34.5M 0.66 12.50 37,135 24,477 223,918 385,037 2026-03-16 $470.09 $480.00 20.0% 5.7% 13.5% 30.7% 18.7% 8.2% -0.1% -143.8M 1.75B -32.7M 1.25 15.01 15,617 19,461 201,810 373,092 2026-03-17 $471.21 $475.00 18.8% 5.4% 13.4% 27.0% 18.3% 7.9% -0.3% -132.7M 1.58B -32.2M 1.41 16.11 12,001 16,962 205,641 375,438 2026-03-18 $462.93 $475.00 20.4% 5.9% 14.3% 32.2% 20.5% 8.5% 0.1% -212.1M 2.71B -33.0M 1.20 15.36 18,281 21,936 209,421 378,267 2026-03-19 $461.64 $475.00 21.0% 6.1% 14.3% 34.2% 22.6% 8.1% -0.6% -221.8M 2.85B -32.9M 1.05 20.94 30,566 31,960 214,170 381,041 2026-03-20 $454.72 $470.00 23.5% 6.7% 14.6% 42.1% 25.0% 8.6% -0.4% -286.0M 3.78B -33.5M 1.74 14.62 17,920 31,257 220,923 384,340 2026-03-23 $463.71 $465.00 21.3% 6.2% 16.2% 35.0% 23.1% 8.4% -0.1% -91.3M 1.61B -32.7M 1.42 14.86 21,258 30,192 185,658 324,624 2026-03-24 $461.57 $465.00 22.1% 6.3% 15.7% 37.6% 22.1% 8.2% -0.1% -110.0M 1.80B -33.0M 1.60 15.97 13,459 21,580 189,716 329,005 2026-03-25 $463.89 $465.00 21.4% 6.1% 15.6% 35.4% 20.9% 8.0% -0.1% -88.5M 1.53B -33.0M 1.39 14.16 17,903 24,902 194,593 334,892 2026-03-26 $459.28 $465.00 23.3% 6.7% 15.7% 41.5% 23.1% 8.1% -0.2% -158.8M 2.18B -33.5M 1.23 5.83 20,554 25,199 199,920 338,038 2026-03-27 $450.71 $465.00 25.7% 7.3% 16.4% 49.2% 27.7% 7.8% -0.4% -211.3M 3.16B -33.5M 1.53 12.96 23,285 35,669 208,198 340,573 2026-03-30 $451.56 $465.00 25.4% 7.4% 16.4% 48.4% 26.3% 7.8% -0.9% -177.0M 2.80B -33.1M 2.43 18.42 11,421 27,756 192,661 333,376 2026-03-31 $463.21 $465.00 21.1% 6.0% 19.4% 34.4% 21.0% 7.7% 0.2% -51.1M 1.36B -32.7M 1.58 8.76 23,967 37,892 196,734 344,159
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