MU Options History — October 2025

In October 2025, MU traded between $180.85 and $226.82. ATM implied volatility averaged 61.5%, placing in the 45.0% IV rank vs the trailing year. The 30-day expected move averaged 17.6%. IV traded above realized volatility by 7.4% (HV 20d: 54.1%). Max pain ranged from $140.00 to $175.00. Net GEX was positive for 22 of 23 trading days. Term structure was in contango for 5 of 23 days. Put/call ratio averaged 0.72.

Notable Days

  • 2025-10-01: Highest Volume — 491,540 contracts
  • 2025-10-06: Largest IV spike — 10.6% change
  • 2025-10-16: Highest IV Rank — 55.9%
  • 2025-10-29: Largest Expected Move — 19.9%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$201.31$180.85$226.82$180.85$224.59
Max Pain$158.26$140.00$175.00$140.00$175.00
ATM IV61.5%53.1%67.6%53.1%62.5%
Expected Move17.6%15.3%19.9%15.4%18.6%
HV 20d54.1%47.7%57.8%54.3%48.1%
HV 60d49.0%47.5%50.4%48.3%49.0%
IV Rank45.0%29.8%55.9%29.8%46.7%
IV Percentile83.0%61.5%93.3%61.5%84.1%
Term Structure-0.9%-2.7%1.1%-0.7%0.4%
VWIV62.9%54.7%71.3%54.7%66.4%
Skew 25d0.0%-4.5%4.5%-3.9%-0.0%
Skew 10d1.4%-7.1%8.3%-7.1%2.0%
Call IV 25d62.9%56.7%69.5%56.7%63.7%
Put IV 25d62.9%52.9%69.7%52.9%63.7%
Bid-Ask Spread %14.935.3227.768.4210.06
Gamma HHI0.080.050.240.060.07
Net GEX109.5M-28.1M174.4M147.0M115.4M
Net DEX-10.04B-11.80B-7.50B-9.44B-11.50B
Net VEX-30.3M-32.3M-26.6M-26.6M-32.0M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.720.471.020.520.89
Total Volume225,707.17496,264491,540491,540179,086
Total OI1,789,649.4351,538,5011,984,7631,749,9991,790,585

Daily Data (23 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2025-10-01$180.85$140.0053.1%15.4%54.3%29.8%54.7%-3.9%-0.7%147.0M-9.44B-26.6M0.528.42N/AN/A323,532168,008831,024918,975
2025-10-02$183.45$140.0054.3%15.3%53.6%32.0%54.7%-2.1%-0.4%148.5M-9.70B-28.0M0.6613.32N/AN/A149,15997,985860,742975,524
2025-10-03$187.61$145.0055.5%15.4%52.0%34.1%55.3%-1.1%0.0%161.3M-10.14B-28.5M0.545.32N/AN/A308,756165,547862,4431,006,771
2025-10-06$191.08$150.0061.4%16.8%51.9%44.7%60.1%-4.5%-2.1%116.6M-9.87B-28.8M0.7223.11N/AN/A221,563160,147819,636955,882
2025-10-07$186.08$155.0058.1%16.1%54.2%38.9%58.2%-1.1%-1.7%81.4M-8.62B-29.5M0.7812.44N/AN/A131,139102,702849,5911,001,209
2025-10-08$195.34$155.0061.0%17.1%55.1%44.1%60.4%-2.1%-0.8%113.9M-10.57B-29.4M0.8012.37N/AN/A127,919102,868867,8521,039,193
2025-10-09$192.55$155.0059.7%16.8%51.7%41.8%60.8%-2.0%-1.5%96.0M-9.91B-30.1M0.9722.54N/AN/A89,37286,432882,6491,060,103
2025-10-10$183.01$155.0062.8%17.5%54.8%47.3%61.7%4.5%-2.7%-28.1M-7.50B-30.6M0.9427.59N/AN/A116,499109,179895,2791,089,484
2025-10-13$192.61$155.0061.1%17.2%56.8%44.3%61.2%1.1%-1.3%106.6M-9.62B-29.9M0.4913.48N/AN/A108,04852,678845,133985,694
2025-10-14$188.87$155.0061.3%17.3%57.8%44.6%61.7%1.1%-0.9%95.9M-8.90B-30.5M0.6327.76N/AN/A58,95937,305868,350998,913
2025-10-15$191.49$155.0063.0%17.9%57.8%47.7%63.5%-0.1%-1.0%115.1M-9.56B-30.1M0.5917.24N/AN/A66,40539,221885,4481,009,417
2025-10-16$201.73$155.0067.6%19.3%57.8%55.9%68.6%0.1%-0.4%154.8M-11.56B-30.9M0.4724.36N/AN/A287,033135,117894,2621,022,241
2025-10-17$202.30$160.0065.6%18.7%55.5%52.4%67.0%2.4%-0.6%159.6M-11.51B-31.4M0.6125.90N/AN/A134,25781,410907,6591,055,748
2025-10-20$206.88$160.0064.7%18.5%55.6%50.7%66.3%0.7%-2.1%91.3M-9.29B-30.1M0.667.05N/AN/A121,17679,446721,427817,074
2025-10-21$203.20$160.0061.2%17.5%56.6%44.4%62.3%1.9%-1.8%85.5M-8.73B-30.5M1.028.91N/AN/A61,12262,185752,416847,227
2025-10-22$198.84$165.0063.2%18.1%55.8%48.0%65.0%3.1%-2.0%65.7M-8.00B-31.1M0.8225.01N/AN/A91,86175,775764,882875,188
2025-10-23$205.63$165.0061.0%17.5%53.7%44.0%63.3%1.8%-1.1%109.1M-9.29B-31.7M0.7211.37N/AN/A86,50562,666785,492895,304
2025-10-24$219.01$165.0063.0%18.3%56.0%47.6%64.8%1.4%-2.2%174.4M-11.66B-31.2M0.559.25N/AN/A200,574110,063803,592908,636
2025-10-27$219.93$165.0064.1%18.9%54.8%49.6%67.5%1.1%0.1%97.7M-10.83B-31.4M0.939.38N/AN/A82,21076,673766,191870,718
2025-10-28$222.76$170.0063.6%19.0%54.8%48.8%67.3%0.5%1.1%100.4M-11.24B-31.8M0.699.27N/AN/A68,82747,576783,776907,285
2025-10-29$226.82$170.0067.0%19.9%47.7%54.9%71.3%-1.4%-0.1%100.1M-11.80B-32.3M0.7110.69N/AN/A121,85086,733788,778926,637
2025-10-30$225.41$170.0060.9%18.0%48.1%43.8%64.8%-0.5%0.1%110.7M-11.64B-31.4M0.938.60N/AN/A59,87055,827805,052962,455
2025-10-31$224.59$175.0062.5%18.6%48.1%46.7%66.4%-0.0%0.4%115.4M-11.50B-32.0M0.8910.06N/AN/A94,70184,385816,248974,337