MSFT Options History — May 2021

In May 2021, MSFT traded between $239.55 and $252.80. ATM implied volatility averaged 21.7%, placing in the 7.7% IV rank vs the trailing year. The 30-day expected move averaged 6.2%. IV traded above realized volatility by 0.1% (HV 20d: 21.6%). Max pain ranged from $235.00 to $250.00. Net GEX was positive for 20 of 20 trading days. Term structure was in contango for 17 of 20 days. Put/call ratio averaged 0.69.

Notable Days

  • 2021-05-07: Highest Volume — 330,505 contracts
  • 2021-05-12: Largest IV spike — 18.7% change
  • 2021-05-12: Highest IV Rank — 29.8%
  • 2021-05-12: Largest Expected Move — 7.9%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$247.50$239.55$252.80$251.57$250.51
Max Pain$241.25$235.00$250.00$250.00$240.00
ATM IV21.7%18.6%28.0%19.9%18.6%
Expected Move6.2%5.1%7.9%5.7%5.1%
HV 20d21.6%17.0%25.6%17.0%23.0%
HV 60d22.7%21.4%23.7%21.4%22.1%
IV Rank7.7%0.0%29.8%0.0%0.0%
IV Percentile5.8%0.0%44.0%0.0%0.0%
Term Structure0.2%-0.5%0.6%0.4%0.6%
VWIV22.6%18.9%29.0%20.5%18.9%
Skew 25d4.3%2.3%7.0%2.5%3.5%
Skew 10d10.0%5.8%16.2%5.8%9.3%
Call IV 25d20.2%17.3%25.8%19.4%17.3%
Put IV 25d24.5%20.8%32.9%21.9%20.8%
Bid-Ask Spread %1.951.322.591.991.32
Gamma HHI0.070.040.180.070.07
Net GEX265.0M7.3M706.4M350.7M333.9M
Net DEX-6.01B-10.20B-1.71B-8.74B-7.40B
Net VEX-94.4M-97.4M-91.4M-92.7M-94.8M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.690.281.140.540.57
Total Volume227,867.5112,058330,505235,077180,636
Total OI2,784,718.32,613,7412,956,9132,661,9782,750,320

Daily Data (20 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2021-05-03$251.57$250.0019.9%5.7%17.0%0.0%20.5%2.5%0.4%350.7M-8.74B-92.7M0.541.99N/AN/A152,55182,5261,454,8591,207,119
2021-05-04$246.83$250.0022.0%6.3%18.4%7.3%23.3%3.4%0.1%158.6M-5.66B-93.1M0.832.29N/AN/A165,058136,5021,478,6551,233,476
2021-05-05$246.96$250.0020.3%5.9%18.2%1.5%21.6%3.9%0.4%134.1M-5.73B-92.1M0.621.89N/AN/A133,85682,8321,494,2291,262,003
2021-05-06$248.20$240.0021.4%6.2%17.5%5.1%22.6%3.2%0.2%205.7M-6.45B-94.0M0.602.59N/AN/A153,48991,4201,508,1811,282,402
2021-05-07$252.80$235.0019.4%5.7%18.6%0.0%20.9%2.3%0.4%706.4M-10.20B-92.0M0.462.20N/AN/A226,287104,2181,537,8361,291,125
2021-05-10$248.50$240.0021.9%6.2%19.4%8.5%21.8%3.7%-0.3%237.7M-6.71B-91.4M0.622.24N/AN/A124,12376,4221,460,2131,243,457
2021-05-11$245.76$240.0023.6%6.8%19.4%14.5%24.4%4.8%0.1%136.6M-4.96B-93.9M0.812.15N/AN/A117,33895,3571,484,1091,266,918
2021-05-12$239.55$240.0028.0%7.9%20.9%29.8%29.0%7.0%-0.3%7.3M-1.84B-93.6M0.822.17N/AN/A162,276132,6211,505,7771,292,239
2021-05-13$244.57$240.0024.7%7.1%21.7%18.5%25.7%6.0%0.0%142.2M-4.66B-94.8M0.681.98N/AN/A149,468102,1751,524,1801,327,526
2021-05-14$248.55$240.0021.1%6.0%22.6%5.8%21.8%5.0%0.1%268.5M-7.07B-93.7M0.701.82N/AN/A174,616122,0101,543,2391,342,602
2021-05-17$244.78$240.0023.0%6.6%23.0%12.6%26.0%5.2%0.1%153.3M-4.61B-94.8M1.141.77N/AN/A113,015129,0491,501,3611,320,138
2021-05-18$244.39$240.0022.0%6.3%23.0%9.0%23.6%4.4%0.3%150.6M-4.33B-96.3M0.282.43N/AN/A228,53063,5161,533,1981,371,312
2021-05-19$241.53$240.0025.2%7.2%22.9%20.1%25.3%5.9%-0.5%41.9M-1.71B-97.4M0.802.23N/AN/A101,05280,7371,507,0641,393,780
2021-05-20$247.11$240.0022.4%6.4%24.6%10.4%22.7%4.7%0.0%331.0M-5.55B-96.8M0.691.85N/AN/A129,52189,3081,522,5541,405,962
2021-05-21$245.17$240.0021.8%6.2%23.9%8.3%21.8%4.7%0.4%415.9M-4.11B-97.3M0.641.75N/AN/A129,96783,0701,539,9061,417,007
2021-05-24$250.74$240.0019.9%5.7%25.6%1.8%20.3%4.3%0.5%367.6M-7.74B-93.7M0.631.46N/AN/A140,29188,9891,348,3811,265,360
2021-05-25$251.50$240.0019.7%5.6%25.5%1.2%21.4%4.4%0.4%425.4M-7.96B-95.2M0.831.94N/AN/A79,09565,3521,383,4041,282,558
2021-05-26$250.92$240.0019.5%5.5%23.1%0.4%20.1%4.1%0.4%397.7M-7.79B-94.8M0.781.45N/AN/A63,04849,0101,394,8161,299,229
2021-05-27$250.08$240.0019.1%5.3%23.0%0.0%19.5%3.9%0.6%335.6M-6.98B-95.1M0.701.57N/AN/A93,15064,8691,405,3021,312,569
2021-05-28$250.51$240.0018.6%5.1%23.0%0.0%18.9%3.5%0.6%333.9M-7.40B-94.8M0.571.32N/AN/A114,80165,8351,419,4481,330,872