DIA Options History — March 2026

In March 2026, DIA traded between $450.71 and $489.19. ATM implied volatility averaged 20.8%, placing in the 33.4% IV rank vs the trailing year. The 30-day expected move averaged 6.0%. IV traded above realized volatility by 6.0% (HV 20d: 14.8%). Max pain ranged from $465.00 to $490.00. Net GEX was positive for 0 of 22 trading days. Term structure was in contango for 3 of 22 days. Put/call ratio averaged 1.32.

Notable Days

  • 2026-03-05: Highest Volume — 128,939 contracts
  • 2026-03-31: Largest IV drop — 17.0% change
  • 2026-03-27: Highest IV Rank — 49.2%
  • 2026-03-12: Largest Expected Move — 8.0%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$469.00$450.71$489.19$489.19$463.21
Max Pain$475.59$465.00$490.00$485.00$465.00
ATM IV20.8%16.2%25.7%16.4%21.1%
Expected Move6.0%4.8%8.0%5.0%6.0%
HV 20d14.8%12.5%19.4%14.9%19.4%
HV 60d13.6%12.3%15.9%12.3%15.9%
IV Rank33.4%18.6%49.2%19.2%34.4%
IV Percentile92.0%79.8%97.6%81.0%90.1%
Term Structure-0.3%-0.9%0.6%0.6%0.2%
VWIV21.5%17.6%27.7%17.6%21.0%
Skew 25d8.1%6.3%9.3%6.3%7.7%
Skew 10d17.4%12.8%19.5%12.8%17.1%
Call IV 25d17.2%13.3%22.3%13.3%17.6%
Put IV 25d25.3%19.6%30.1%19.6%25.3%
Bid-Ask Spread %12.863.5820.948.198.76
Gamma HHI0.030.020.090.020.04
Net GEX-149.3M-286.0M-51.1M-72.1M-51.1M
Net DEX1.69B-347.0M3.78B-299.9M1.36B
Net VEX-32.6M-34.5M-29.8M-29.8M-32.7M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.320.662.430.861.58
Total Volume58,388.40928,963128,93941,73561,859
Total OI556,827.364510,282608,955512,192540,893

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2026-03-02$489.19$485.0016.4%5.0%14.9%19.2%17.6%6.3%0.6%-72.1M-299.9M-29.8M0.868.1922,39619,339167,202344,990
2026-03-03$485.65$485.0017.9%5.5%14.6%24.0%20.8%6.9%-0.4%-133.0M283.6M-30.8M0.937.6936,68834,126172,989351,596
2026-03-04$488.65$483.0016.2%4.8%14.8%18.6%19.5%6.8%-0.1%-72.0M-347.0M-30.2M1.023.5825,87926,487180,018355,669
2026-03-05$479.19$490.0018.4%5.1%15.9%25.8%18.4%7.6%-0.4%-229.0M1.29B-31.7M1.2512.9257,35671,583183,444361,524
2026-03-06$475.31$485.0021.4%6.0%15.5%35.5%23.9%9.2%-0.6%-199.4M1.54B-33.2M1.1511.8045,72552,506211,806363,997
2026-03-09$477.91$485.0019.1%5.3%12.5%28.0%18.9%7.8%-0.6%-68.1M724.4M-32.0M1.1415.3237,61942,777195,066354,371
2026-03-10$478.26$480.0019.5%5.4%12.5%29.3%22.6%8.5%-0.6%-56.9M708.8M-32.9M1.8213.2630,76455,936204,911359,695
2026-03-11$474.90$480.0019.8%5.6%12.5%30.3%20.8%8.7%-0.2%-144.7M1.36B-33.0M1.3010.5723,63630,731206,602374,798
2026-03-12$468.44$480.0021.7%8.0%13.1%36.5%21.4%9.3%-0.9%-201.9M2.32B-34.0M1.1714.2226,87931,508214,479381,800
2026-03-13$465.93$480.0022.6%6.2%12.8%39.4%20.1%9.2%-0.2%-223.8M2.56B-34.5M0.6612.5037,13524,477223,918385,037
2026-03-16$470.09$480.0020.0%5.7%13.5%30.7%18.7%8.2%-0.1%-143.8M1.75B-32.7M1.2515.0115,61719,461201,810373,092
2026-03-17$471.21$475.0018.8%5.4%13.4%27.0%18.3%7.9%-0.3%-132.7M1.58B-32.2M1.4116.1112,00116,962205,641375,438
2026-03-18$462.93$475.0020.4%5.9%14.3%32.2%20.5%8.5%0.1%-212.1M2.71B-33.0M1.2015.3618,28121,936209,421378,267
2026-03-19$461.64$475.0021.0%6.1%14.3%34.2%22.6%8.1%-0.6%-221.8M2.85B-32.9M1.0520.9430,56631,960214,170381,041
2026-03-20$454.72$470.0023.5%6.7%14.6%42.1%25.0%8.6%-0.4%-286.0M3.78B-33.5M1.7414.6217,92031,257220,923384,340
2026-03-23$463.71$465.0021.3%6.2%16.2%35.0%23.1%8.4%-0.1%-91.3M1.61B-32.7M1.4214.8621,25830,192185,658324,624
2026-03-24$461.57$465.0022.1%6.3%15.7%37.6%22.1%8.2%-0.1%-110.0M1.80B-33.0M1.6015.9713,45921,580189,716329,005
2026-03-25$463.89$465.0021.4%6.1%15.6%35.4%20.9%8.0%-0.1%-88.5M1.53B-33.0M1.3914.1617,90324,902194,593334,892
2026-03-26$459.28$465.0023.3%6.7%15.7%41.5%23.1%8.1%-0.2%-158.8M2.18B-33.5M1.235.8320,55425,199199,920338,038
2026-03-27$450.71$465.0025.7%7.3%16.4%49.2%27.7%7.8%-0.4%-211.3M3.16B-33.5M1.5312.9623,28535,669208,198340,573
2026-03-30$451.56$465.0025.4%7.4%16.4%48.4%26.3%7.8%-0.9%-177.0M2.80B-33.1M2.4318.4211,42127,756192,661333,376
2026-03-31$463.21$465.0021.1%6.0%19.4%34.4%21.0%7.7%0.2%-51.1M1.36B-32.7M1.588.7623,96737,892196,734344,159