IEF Options History — December 2025 In December 2025, IEF traded between $96.12 and $97.00. ATM implied volatility averaged 5.1%, placing in the 2.5% IV rank vs the trailing year. The 30-day expected move averaged 1.5%. IV traded above realized volatility by 0.5% (HV 20d: 4.6%). Max pain ranged from $96.00 to $96.00. Net GEX was positive for 6 of 22 trading days. Term structure was in contango for 20 of 22 days. Put/call ratio averaged 6.74.
Notable Days 2025-12-18 : Highest Volume — 162,150 contracts2025-12-19 : Largest IV drop — 9.0% change2025-12-31 : Highest IV Rank — 8.2%2025-12-01 : Largest Expected Move — 1.9%Monthly Statistics Metric Avg Min Max Open Close Price $96.44 $96.12 $97.00 $96.69 $96.19 Max Pain $96.00 $96.00 $96.00 $96.00 $96.00 ATM IV 5.1% 4.3% 5.8% 5.7% 4.8% Expected Move 1.5% 1.2% 1.9% 1.9% 1.4% HV 20d 4.6% 3.6% 5.0% 5.0% 3.8% HV 60d 4.4% 4.3% 4.4% 4.3% 4.4% IV Rank 2.5% 0.0% 8.2% 4.5% 8.2% IV Percentile 2.0% 0.0% 9.5% 5.2% 2.8% Term Structure 0.3% -0.2% 1.5% 0.2% 1.5% VWIV 5.4% 4.4% 6.6% 6.5% 4.9% Skew 25d 0.0% -0.3% 0.3% 0.0% -0.1% Skew 10d -0.1% -1.1% 0.3% 0.2% -0.0% Call IV 25d 5.2% 4.2% 6.0% 5.9% 5.0% Put IV 25d 5.2% 4.5% 5.9% 5.9% 4.9% Bid-Ask Spread % 6.46 1.58 38.82 2.67 5.87 Gamma HHI 0.23 0.18 0.30 0.23 0.20 Net GEX -94.5M -361.0M 210.5M 162.5M -324.2M Net DEX 107.2M -551.6M 418.1M -325.2M 418.1M Net VEX -5.3M -6.3M -4.5M -4.8M -6.3M Div Yield 0.0% 0.0% 0.0% 0.0% 0.0% P/C Ratio 6.74 0.33 42.52 5.20 2.39 Total Volume 37,127.318 1,272 162,150 16,539 2,128 Total OI 793,121.727 696,848 970,287 724,723 772,239
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 2025-12-01 $96.69 $96.00 5.7% 1.9% 5.0% 4.5% 6.5% 0.0% 0.2% 162.5M -325.2M -4.8M 5.20 2.67 2,668 13,871 298,612 426,111 2025-12-02 $96.77 $96.00 5.6% 1.8% 4.9% 2.7% 6.6% 0.0% 0.2% 172.2M -380.8M -4.9M 6.87 2.66 2,729 18,757 299,386 438,408 2025-12-03 $97.00 $96.00 5.4% 1.8% 4.9% 0.0% 6.1% -0.2% 0.3% 210.5M -551.6M -4.7M 1.60 3.04 3,897 6,236 298,542 452,145 2025-12-04 $96.66 $96.00 5.5% 1.6% 4.8% 1.9% 5.9% 0.1% 0.3% 110.5M -189.0M -5.0M 19.03 3.03 1,751 33,317 300,655 448,730 2025-12-05 $96.47 $96.00 5.4% 1.6% 4.5% 0.0% 5.6% -0.0% 0.2% -69.8M -22.4M -4.8M 2.84 3.04 7,061 20,039 301,981 476,237 2025-12-08 $96.27 $96.00 5.7% 1.7% 4.5% 5.5% 6.0% -0.2% 0.0% -130.4M 124.5M -4.5M 0.48 38.82 17,208 8,317 302,099 477,416 2025-12-09 $96.15 $96.00 5.8% 1.7% 4.5% 6.9% 5.8% 0.0% 0.3% -184.0M 249.6M -4.8M 1.06 4.09 9,006 9,545 313,236 480,440 2025-12-10 $96.44 $96.00 5.4% 1.6% 4.4% 0.0% 5.6% -0.1% 0.4% -35.6M -61.9M -4.5M 13.93 2.10 2,998 41,758 310,834 473,279 2025-12-11 $96.47 $96.00 5.4% 1.6% 4.4% 0.0% 5.5% -0.1% 0.4% 20.0M -56.0M -4.8M 2.27 2.65 12,561 28,491 312,996 490,339 2025-12-12 $96.19 $96.00 5.4% 1.6% 4.5% 0.6% 5.5% 0.1% 0.1% -171.0M 251.5M -4.9M 42.52 3.28 2,077 88,314 313,627 514,635 2025-12-15 $96.28 $96.00 5.6% 1.6% 4.5% 3.4% 5.7% 0.2% -0.2% -5.0M 238.1M -5.4M 3.02 3.27 12,445 37,560 309,230 542,529 2025-12-16 $96.53 $96.00 5.3% 1.5% 4.5% 0.0% 5.6% -0.1% 0.0% 99.9M 150.1M -5.4M 3.88 2.17 8,845 34,341 319,597 579,095 2025-12-17 $96.52 $96.00 5.1% 1.5% 4.5% 0.0% 5.2% 0.1% 0.3% -63.2M 341.0M -6.1M 3.62 5.05 5,689 20,582 320,319 632,251 2025-12-18 $96.78 $96.00 4.9% 1.4% 4.6% 0.0% 5.0% -0.3% -0.0% -31.7M 217.6M -5.7M 0.33 1.82 121,737 40,413 325,192 645,095 2025-12-19 $96.25 $96.00 4.4% 1.3% 4.9% 0.0% 4.5% -0.1% 0.1% -301.1M 326.5M -5.4M 2.75 1.58 14,306 39,307 298,222 641,528 2025-12-22 $96.15 $96.00 4.4% 1.3% 4.8% 0.0% 4.5% 0.1% 0.2% -339.4M 396.8M -5.8M 0.45 27.19 8,780 3,988 153,152 543,696 2025-12-23 $96.12 $96.00 4.4% 1.3% 4.7% 0.0% 4.4% 0.3% 0.3% -361.0M 398.0M -5.8M 1.20 6.21 9,862 11,803 160,860 547,080 2025-12-24 $96.31 $96.00 4.3% 1.2% 4.7% 0.0% 4.5% 0.3% 0.3% -282.4M 269.9M -5.9M 1.04 5.71 782 812 164,361 553,945 2025-12-26 $96.41 $96.00 4.6% 1.3% 4.7% 4.3% 4.8% 0.1% 0.3% -165.8M 189.8M -5.7M 22.90 5.69 981 22,469 169,464 554,143 2025-12-29 $96.56 $96.00 4.8% 1.4% 4.7% 8.0% 4.8% 0.1% 0.5% -169.5M 128.7M -5.5M 9.49 6.28 8,396 79,702 162,593 552,771 2025-12-30 $96.48 $96.00 4.8% 1.4% 3.6% 8.0% 5.1% -0.0% 0.6% -220.0M 245.0M -6.3M 1.49 5.91 511 761 170,057 601,551 2025-12-31 $96.19 $96.00 4.8% 1.4% 3.8% 8.2% 4.9% -0.1% 1.5% -324.2M 418.1M -6.3M 2.39 5.87 627 1,501 170,243 601,996
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