DIA Options History — January 2026

In January 2026, DIA traded between $483.06 and $495.90. ATM implied volatility averaged 13.0%, placing in the 8.2% IV rank vs the trailing year. The 30-day expected move averaged 3.7%. IV traded above realized volatility by 1.7% (HV 20d: 11.2%). Max pain ranged from $460.00 to $490.00. Net GEX was positive for 14 of 20 trading days. Term structure was in contango for 14 of 20 days. Put/call ratio averaged 1.26.

Notable Days

  • 2026-01-06: Highest Volume — 73,407 contracts
  • 2026-01-20: Largest IV spike — 28.1% change
  • 2026-01-20: Highest IV Rank — 17.4%
  • 2026-01-20: Largest Expected Move — 4.5%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$491.15$483.06$495.90$483.06$488.95
Max Pain$486.25$460.00$490.00$460.00$490.00
ATM IV13.0%11.5%15.8%11.5%13.8%
Expected Move3.7%2.9%4.5%2.9%3.9%
HV 20d11.2%8.4%13.3%8.4%13.0%
HV 60d11.8%11.4%12.1%11.5%12.0%
IV Rank8.2%3.3%17.4%3.3%10.8%
IV Percentile38.7%7.9%78.2%7.9%60.3%
Term Structure0.0%-0.7%0.2%-0.7%0.2%
VWIV13.4%11.4%16.1%11.4%14.3%
Skew 25d3.8%2.9%5.6%3.2%4.7%
Skew 10d7.9%0.4%11.4%6.5%8.5%
Call IV 25d11.4%10.2%13.3%10.2%11.7%
Put IV 25d15.2%13.4%18.9%13.4%16.4%
Bid-Ask Spread %12.644.8977.6977.696.14
Gamma HHI0.050.020.240.040.04
Net GEX75.7M-106.2M592.0M26.9M3.3M
Net DEX-1.48B-2.91B-30.4M-1.40B-593.0M
Net VEX-28.2M-30.1M-26.2M-26.9M-30.0M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.260.611.750.861.48
Total Volume52,146.2535,79473,40743,64253,346
Total OI503,954.7451,423553,615495,612508,910

Daily Data (20 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2026-01-02$483.06$460.0011.5%2.9%8.4%3.3%11.4%3.2%-0.7%26.9M-1.40B-26.9M0.8677.6923,46920,173163,654331,958
2026-01-05$490.26$480.0012.4%3.6%9.7%6.4%12.3%2.9%-0.3%218.1M-2.15B-26.5M1.1411.5026,20729,959156,109328,017
2026-01-06$494.86$480.0012.3%3.6%10.1%6.0%13.4%3.0%0.1%247.7M-2.71B-26.2M1.1311.1234,54138,866161,116338,109
2026-01-07$489.64$485.0012.7%3.7%10.8%7.4%13.1%3.4%0.1%26.7M-1.59B-27.7M1.6210.0623,40037,987169,392353,684
2026-01-08$492.50$485.0012.8%3.8%10.8%7.7%13.4%3.5%0.0%158.7M-2.18B-27.8M0.959.6432,92431,190175,918356,906
2026-01-09$495.27$485.0011.9%3.5%10.3%4.7%12.6%3.1%0.2%592.0M-2.91B-27.3M1.0214.6528,64029,324187,521366,094
2026-01-12$495.90$485.0012.4%3.6%9.6%6.4%13.6%3.3%0.0%186.3M-2.41B-27.2M1.6111.5115,23524,567167,805350,375
2026-01-13$490.96$485.0013.4%3.8%10.1%9.5%13.7%3.9%-0.0%26.2M-1.52B-28.0M1.319.6918,68824,511171,710358,103
2026-01-14$490.62$490.0013.4%3.9%10.1%9.7%14.6%4.2%0.1%39.6M-1.50B-28.3M1.7215.8616,27628,070177,691361,390
2026-01-15$494.09$490.0012.6%3.6%10.1%7.1%12.5%3.7%-0.2%136.1M-2.21B-27.5M0.7413.5631,66423,536178,042364,972
2026-01-16$493.31$490.0012.3%3.5%9.9%6.2%13.8%3.8%-0.3%-12.2M-1.54B-28.5M1.759.5815,05026,320177,721370,224
2026-01-20$484.90$490.0015.8%4.5%11.8%17.4%16.1%5.6%-0.0%-106.2M-30.4M-29.7M1.386.1919,74627,216141,542309,881
2026-01-21$490.69$490.0013.4%3.9%12.5%9.7%13.7%4.0%0.0%9.5M-960.7M-28.8M1.179.1123,95027,913147,273313,190
2026-01-22$493.47$490.0012.9%3.7%12.5%8.0%12.8%3.8%0.1%67.9M-1.43B-28.4M0.616.4233,69120,457151,867319,707
2026-01-23$490.99$490.0012.9%3.7%12.7%7.9%13.0%4.0%0.1%-26.3M-1.00B-28.5M1.156.8320,43023,410161,364324,888
2026-01-26$494.52$490.0012.9%3.7%12.8%7.9%12.8%3.6%0.2%44.7M-1.46B-27.5M1.545.6416,26525,036145,070313,992
2026-01-27$489.84$490.0013.4%3.8%13.3%9.6%15.4%4.0%0.2%-63.9M-663.3M-29.1M1.564.8926,49141,326149,348327,324
2026-01-28$489.60$490.0013.3%3.8%13.2%9.4%13.2%4.1%0.2%-48.9M-667.7M-30.1M1.205.6116,27919,515157,365337,819
2026-01-29$489.63$490.0013.3%3.7%13.2%9.1%13.0%4.3%0.2%-11.8M-702.9M-29.7M1.177.1330,97136,286161,352341,691
2026-01-30$488.95$490.0013.8%3.9%13.0%10.8%14.3%4.7%0.2%3.3M-593.0M-30.0M1.486.1421,47231,874168,094340,816