OTEX Options History — October 2025

In October 2025, OTEX traded between $37.09 and $39.63. ATM implied volatility averaged 40.2%, placing in the 47.0% IV rank vs the trailing year. The 30-day expected move averaged 11.0%. IV traded above realized volatility by 16.0% (HV 20d: 24.2%). Max pain ranged from $30.00 to $37.50. Net GEX was positive for 23 of 23 trading days. Term structure was in contango for 6 of 23 days. Put/call ratio averaged 0.31.

Notable Days

  • 2025-10-07: Highest Volume — 1,449 contracts
  • 2025-10-15: Largest IV drop — 34.1% change
  • 2025-10-14: Highest IV Rank — 85.4%
  • 2025-10-29: Largest Expected Move — 14.2%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$38.70$37.09$39.63$37.09$38.42
Max Pain$35.33$30.00$37.50$32.50$37.50
ATM IV40.2%25.6%60.5%25.6%48.0%
Expected Move11.0%7.3%14.2%7.3%13.8%
HV 20d24.2%16.5%30.8%29.7%22.4%
HV 60d34.3%32.6%36.7%36.7%32.9%
IV Rank47.0%19.4%85.4%19.4%61.7%
IV Percentile77.5%25.8%98.0%25.8%94.0%
Term Structure-1.6%-15.4%18.4%18.4%-13.8%
VWIV41.3%26.7%55.4%32.6%41.8%
Skew 25d3.8%-12.2%24.7%8.2%24.7%
Skew 10d8.5%-12.6%32.2%5.7%25.1%
Call IV 25d36.4%18.0%44.5%18.0%33.2%
Put IV 25d40.1%26.2%57.8%26.2%57.8%
Bid-Ask Spread %84.6461.87113.26110.1569.32
Gamma HHI0.260.210.330.210.23
Net GEX201.8K176.6K282.0K190.8K182.7K
Net DEX-9.1M-10.7M-7.4M-7.8M-8.0M
Net VEX-23.3K-29.7K-20.0K-20.6K-20.0K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.310.001.110.750.12
Total Volume129.69661,44921207
Total OI5,762.1744,6786,8674,6785,898

Daily Data (23 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2025-10-01$37.09$32.5025.6%7.3%29.7%19.4%32.6%8.2%18.4%190.8K-7.8M-20.6K0.75110.15N/AN/A1293,6081,070
2025-10-02$37.56$35.0027.5%7.9%29.7%23.0%0.0%8.4%17.6%192.3K-7.9M-21.9K0.33104.00N/AN/A623,6131,071
2025-10-03$37.95$35.0035.6%10.2%29.6%38.4%26.7%17.0%0.5%196.8K-8.5M-21.0K0.1169.82N/AN/A6273,6111,073
2025-10-06$38.33$30.0037.7%12.1%29.3%42.4%43.3%-1.8%-2.6%202.2K-8.7M-21.3K0.5968.16N/AN/A109643,6231,073
2025-10-07$38.02$30.0037.0%11.1%29.7%41.0%39.1%-2.6%-3.6%196.8K-8.6M-20.1K1.0071.91N/AN/A7237263,6381,086
2025-10-08$38.49$35.0037.3%10.8%29.0%41.6%39.9%1.1%-1.1%282.0K-10.7M-29.7K0.0161.87N/AN/A10915,0561,811
2025-10-09$39.37$35.0039.0%11.4%29.7%44.7%38.1%-12.2%-4.0%215.9K-10.1M-27.6K0.1771.88N/AN/A65114,3831,812
2025-10-10$38.61$35.0047.3%10.5%30.8%60.5%42.0%5.9%6.0%214.8K-9.0M-28.6K0.6181.35N/AN/A61374,3751,806
2025-10-13$39.31$35.0054.8%9.4%26.3%74.7%44.2%3.0%5.5%212.7K-9.7M-25.8K0.0595.75N/AN/A11964,3591,828
2025-10-14$39.14$35.0060.5%12.4%24.0%85.4%40.9%-5.6%-1.7%213.5K-9.6M-25.7K0.2990.58N/AN/A1754,4141,826
2025-10-15$39.18$35.0039.8%11.4%24.0%46.4%43.2%7.2%-3.4%242.6K-9.8M-26.0K0.9493.59N/AN/A33314,4181,827
2025-10-16$38.78$35.0036.0%10.3%23.9%39.1%34.7%8.2%6.2%222.8K-10.3M-23.5K0.5094.35N/AN/A424,4261,840
2025-10-17$39.10$35.0042.0%12.0%23.7%50.4%37.9%-7.4%-15.4%186.2K-9.5M-23.5K0.1393.90N/AN/A4864,4251,841
2025-10-20$39.13$35.0036.3%10.4%22.5%39.7%39.9%6.1%-1.1%182.9K-8.7M-23.0K0.0594.36N/AN/A2213,9751,742
2025-10-21$39.22$37.5038.3%11.0%21.3%43.4%48.1%1.5%-6.2%191.3K-9.0M-22.4K1.1167.36N/AN/A19213,9811,742
2025-10-22$39.17$37.5034.7%10.0%19.6%36.7%37.6%8.9%-3.6%176.7K-9.3M-22.1K0.0196.74N/AN/A23233,9881,743
2025-10-23$38.98$37.5037.4%10.7%16.9%41.7%40.4%4.6%-3.4%190.3K-9.0M-23.3K0.0084.29N/AN/A2304,1761,742
2025-10-24$39.38$35.0043.9%12.6%16.9%54.0%49.3%2.9%-4.2%198.9K-9.4M-22.6K0.0680.06N/AN/A1814,1931,742
2025-10-27$39.34$37.5036.6%10.5%17.0%40.3%43.8%-3.1%-0.5%194.7K-9.7M-22.5K0.0385.15N/AN/A9534,1901,742
2025-10-28$39.63$37.5037.4%10.7%16.5%41.8%0.0%0.6%-3.9%200.9K-9.6M-21.8K0.0084.70N/AN/A704,1811,743
2025-10-29$38.17$37.5049.7%14.2%21.7%65.0%55.4%12.5%-12.4%177.5K-8.2M-21.1K0.00113.26N/AN/A1104,1731,743
2025-10-30$37.73$37.5041.6%11.9%21.7%49.7%47.5%-1.2%-9.7%176.6K-7.4M-21.6K0.1864.31N/AN/A3874,1801,743
2025-10-31$38.42$37.5048.0%13.8%22.4%61.7%41.8%24.7%-13.8%182.7K-8.0M-20.0K0.1269.32N/AN/A185224,1501,748