MUB Options History — April 2026 In April 2026, MUB traded between $106.30 and $107.40. ATM implied volatility averaged 36.5%, placing in the 14.0% IV rank vs the trailing year. The 30-day expected move averaged 10.5%. IV traded above realized volatility by 31.5% (HV 20d: 5.0%). Max pain ranged from $107.00 to $108.00. Net GEX was positive for 0 of 14 trading days. Term structure was in contango for 13 of 14 days. Put/call ratio averaged 13.96.
Notable Days 2026-04-17 : Highest Volume — 6,148 contracts2026-04-21 : Largest IV spike — 9391.5% change2026-04-21 : Highest IV Rank — 100.0%2026-04-21 : Largest Expected Move — 127.9%Monthly Statistics Metric Avg Min Max Open Close Price $106.89 $106.30 $107.40 $106.30 $107.31 Max Pain $107.93 $107.00 $108.00 $107.00 $108.00 ATM IV 36.5% 2.8% 446.1% 6.6% 446.1% Expected Move 10.5% 0.8% 127.9% 1.9% 127.9% HV 20d 5.0% 3.9% 5.3% 5.2% 3.9% HV 60d 3.7% 3.7% 3.8% 3.7% 3.7% IV Rank 14.0% 0.9% 100.0% 12.2% 100.0% IV Percentile 49.3% 0.4% 100.0% 82.9% 100.0% Term Structure -30.3% -440.9% 2.0% 0.5% -440.9% VWIV 5.8% 4.2% 8.5% 7.1% 5.4% Skew 25d 1.9% 1.2% 4.0% 1.5% 1.2% Skew 10d 4.2% 0.4% 6.8% 0.4% 6.3% Call IV 25d 4.1% 3.0% 5.7% 5.4% 4.0% Put IV 25d 6.0% 4.9% 7.5% 6.9% 5.2% Bid-Ask Spread % 27.06 21.45 32.43 22.94 27.55 Gamma HHI 0.38 0.27 0.46 0.32 0.30 Net GEX -38.2M -52.7M -31.6M -31.6M -36.4M Net DEX 99.8M 54.5M 142.1M 142.1M 68.3M Net VEX -618.2K -663.9K -543.4K -649.9K -622.6K Div Yield 0.0% 0.0% 0.0% 0.0% 0.0% P/C Ratio 13.96 0.23 91.09 14.00 2.08 Total Volume 931.071 15 6,148 15 37 Total OI 43,271.143 41,914 46,159 43,576 43,241
Daily Data (14 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 2026-04-01 $106.30 $107.00 6.6% 1.9% 5.2% 12.2% 7.1% 1.5% 0.5% -31.6M 142.1M -649.9K 14.00 22.94 1 14 14,173 29,403 2026-04-02 $106.50 $108.00 5.8% 1.7% 5.3% 9.8% 5.5% 1.2% 1.2% -33.3M 132.5M -661.6K 91.09 32.43 22 2,004 14,174 29,416 2026-04-06 $106.44 $108.00 2.8% 0.8% 5.2% 0.9% 7.0% 2.8% 1.0% -34.6M 125.5M -588.9K 0.56 25.17 18 10 14,186 27,728 2026-04-07 $106.56 $108.00 5.3% 1.5% 5.2% 8.3% 8.5% 4.0% 1.4% -33.8M 122.2M -602.0K 1.23 27.80 30 37 14,199 27,730 2026-04-08 $106.75 $108.00 5.4% 1.5% 5.3% 8.6% 5.3% 1.4% 1.6% -35.8M 111.7M -589.4K 5.00 27.11 3 15 14,228 27,752 2026-04-09 $107.00 $108.00 5.3% 1.5% 5.3% 8.3% 5.7% 2.7% 1.2% -35.0M 90.7M -632.3K 0.23 31.45 143 33 14,230 27,739 2026-04-10 $106.85 $108.00 4.8% 1.4% 5.2% 6.8% 4.7% 1.5% 1.9% -45.5M 104.9M -556.5K 1.29 27.13 28 36 14,249 27,743 2026-04-13 $107.01 $108.00 5.5% 1.6% 5.2% 8.9% 4.9% 1.4% 1.1% -39.4M 90.1M -597.4K 0.96 26.61 24 23 14,270 27,755 2026-04-14 $107.06 $108.00 4.9% 1.4% 5.1% 7.1% 5.3% 1.4% 1.4% -45.5M 97.1M -543.4K 1.02 30.52 2,016 2,060 14,294 27,759 2026-04-15 $106.93 $108.00 4.7% 1.3% 5.1% 6.5% 0.0% 1.7% 2.0% -41.9M 100.8M -663.9K 0.46 21.45 52 24 16,291 29,809 2026-04-16 $106.97 $108.00 4.7% 1.3% 5.1% 6.5% 6.4% 1.8% 0.9% -52.7M 96.1M -657.6K 0.45 27.37 77 35 16,287 29,832 2026-04-17 $107.37 $108.00 4.4% 1.3% 5.2% 5.6% 4.2% 1.9% 1.7% -37.5M 61.3M -630.5K 76.82 25.95 79 6,069 16,360 29,799 2026-04-20 $107.40 $108.00 4.7% 1.3% 4.1% 6.5% 5.0% 2.1% 0.8% -32.3M 54.5M -659.6K 0.26 25.33 115 30 14,895 28,254 2026-04-21 $107.31 $108.00 446.1% 127.9% 3.9% 100.0% 5.4% 1.2% -440.9% -36.4M 68.3M -622.6K 2.08 27.55 12 25 14,957 28,284
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