S Options History — December 2021

In December 2021, S traded between $44.61 and $53.17. ATM implied volatility averaged 94.3%, placing in the 44.2% IV rank vs the trailing year. The 30-day expected move averaged 24.8%. IV traded above realized volatility by 7.6% (HV 20d: 86.7%). Max pain ranged from $45.00 to $60.00. Net GEX was positive for 22 of 22 trading days. Term structure was in contango for 13 of 22 days. Put/call ratio averaged 0.41.

Notable Days

  • 2021-12-07: Highest Volume — 32,154 contracts
  • 2021-12-08: Largest IV drop — 44.0% change
  • 2021-12-07: Highest IV Rank — 98.9%
  • 2021-12-03: Largest Expected Move — 37.3%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$49.43$44.61$53.17$48.92$50.62
Max Pain$47.05$45.00$60.00$60.00$45.00
ATM IV94.3%69.5%182.1%100.9%70.7%
Expected Move24.8%19.9%37.3%28.9%20.3%
HV 20d86.7%74.2%97.5%86.7%74.2%
HV 60d76.7%74.2%80.6%75.5%74.3%
IV Rank44.2%28.7%98.9%48.2%29.4%
IV Percentile74.9%52.8%99.6%87.3%54.0%
Term Structure-3.0%-25.8%3.8%-14.4%-1.5%
VWIV87.4%68.3%139.3%108.2%71.0%
Skew 25d3.9%-9.9%10.0%-8.7%4.2%
Skew 10d7.3%-29.1%16.3%-29.1%10.7%
Call IV 25d85.7%65.1%141.2%106.6%68.9%
Put IV 25d89.6%73.0%131.3%97.9%73.1%
Bid-Ask Spread %29.5310.3545.9445.9410.35
Gamma HHI0.150.110.220.110.22
Net GEX1.1M73.6K2.2M376.9K2.0M
Net DEX-22.4M-63.9M13.1M854.3K-43.5M
Net VEX-374.6K-453.2K-277.3K-288.6K-414.5K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.410.131.090.300.53
Total Volume9,485.6363,03132,1546,8947,476
Total OI64,823.77343,18384,89343,18363,157

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2021-12-01$48.92$60.00100.9%28.9%86.7%48.2%108.2%-8.7%-14.4%376.9K854.3K-288.6K0.3045.94N/AN/A5,3031,59129,23113,952
2021-12-02$50.87$60.00121.8%34.9%87.3%61.3%126.1%-8.3%-25.8%508.4K-11.4M-327.1K0.1339.93N/AN/A10,6891,44230,26614,755
2021-12-03$45.87$55.00130.1%37.3%88.8%66.5%139.3%-9.9%-24.2%620.5K-4.7M-307.5K0.3538.27N/AN/A5,4541,91237,32015,045
2021-12-06$44.61$50.00132.2%28.6%88.5%67.8%101.2%2.0%-5.1%540.7K4.4M-277.3K0.3923.36N/AN/A14,1545,47638,94815,472
2021-12-07$49.62$45.00182.1%31.8%97.5%98.9%112.7%4.6%-12.6%1.1M-33.8M-370.8K0.6721.76N/AN/A19,23412,92043,99119,218
2021-12-08$49.02$45.00101.9%24.8%91.4%48.9%87.2%5.1%1.6%818.6K-10.7M-388.8K0.6934.36N/AN/A18,41712,74651,72726,952
2021-12-09$48.06$45.0094.2%23.8%90.1%44.1%85.0%4.5%3.3%413.2K-2.5M-375.7K0.5637.13N/AN/A4,3252,40949,92229,002
2021-12-10$50.05$45.0080.5%22.7%90.2%35.5%80.1%5.3%3.8%637.9K-14.7M-384.2K0.3638.68N/AN/A4,4681,60150,39728,934
2021-12-13$47.42$45.00102.6%22.9%87.1%49.3%78.6%4.7%2.9%277.5K4.0M-344.0K0.6535.97N/AN/A2,9961,95950,92129,130
2021-12-14$46.46$45.0099.8%23.1%85.5%47.6%79.2%5.0%3.0%73.6K13.1M-327.3K1.0942.38N/AN/A1,8051,97450,86929,565
2021-12-15$50.01$45.0083.7%24.0%89.3%37.6%84.3%4.7%1.3%458.8K-14.1M-366.6K0.2240.02N/AN/A7,9771,72550,99729,730
2021-12-16$48.02$45.0083.5%23.9%89.6%37.4%85.0%3.6%-0.1%761.4K-3.6M-356.8K0.4028.59N/AN/A4,6701,84855,25329,640
2021-12-17$47.61$45.0086.0%24.6%89.7%39.0%86.2%3.3%0.3%743.6K5.8M-348.6K0.4135.88N/AN/A6,8792,81855,33329,386
2021-12-20$48.53$45.0084.6%24.3%90.8%38.1%86.5%7.9%-2.6%924.5K-26.8M-359.5K0.3126.25N/AN/A6,4121,99633,32714,574
2021-12-21$49.70$45.0079.0%22.7%88.2%34.6%78.3%6.9%0.3%1.2M-34.1M-378.5K0.1827.21N/AN/A5,6031,03236,03714,153
2021-12-22$51.67$45.0077.1%22.1%83.7%33.4%74.9%8.1%0.3%1.5M-47.8M-425.6K0.1617.36N/AN/A8,2531,30438,84114,833
2021-12-23$52.04$45.0076.0%21.8%83.8%32.7%74.6%7.6%1.1%1.9M-56.9M-453.2K0.4511.05N/AN/A2,13195343,92615,310
2021-12-27$53.17$45.0072.8%20.9%84.3%30.8%76.3%8.6%0.2%2.1M-63.9M-451.4K0.1422.43N/AN/A5,49678944,50215,608
2021-12-28$52.24$45.0073.7%21.1%84.5%31.3%68.3%10.0%0.5%2.1M-56.5M-445.5K0.3411.94N/AN/A2,93099745,68115,835
2021-12-29$50.68$45.0072.8%20.9%82.1%30.7%72.0%8.6%-0.6%1.9M-43.1M-419.1K0.2621.79N/AN/A2,40063145,79516,284
2021-12-30$52.20$45.0069.5%19.9%74.5%28.7%68.7%8.0%2.2%2.2M-53.8M-431.5K0.3439.01N/AN/A2,60588445,95316,351
2021-12-31$50.62$45.0070.7%20.3%74.2%29.4%71.0%4.2%-1.5%2.0M-43.5M-414.5K0.5310.35N/AN/A4,8832,59346,74816,409