SPX Options History — April 2024

In April 2024, SPX traded between $4957.24 and $5240.73. ATM implied volatility averaged 14.0%, placing in the 49.8% IV rank vs the trailing year. The 30-day expected move averaged 4.1%. IV traded above realized volatility by 2.8% (HV 20d: 11.2%). Max pain ranged from $5000.00 to $5050.00. Net GEX was positive for 5 of 22 trading days. Term structure was in contango for 13 of 22 days. Put/call ratio averaged 1.37.

Notable Days

  • 2024-04-12: Highest Volume — 3,582,971 contracts
  • 2024-04-04: Largest IV spike — 13.4% change
  • 2024-04-15: Highest IV Rank — 79.4%
  • 2024-04-19: Largest Expected Move — 4.8%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$5114.23$4957.24$5240.73$5240.73$5060.35
Max Pain$5023.86$5000.00$5050.00$5000.00$5000.00
ATM IV14.0%11.3%16.6%11.3%13.5%
Expected Move4.1%3.2%4.8%3.2%4.2%
HV 20d11.2%9.0%13.7%10.3%13.7%
HV 60d12.2%11.4%13.0%11.4%12.5%
IV Rank49.8%17.4%79.4%17.4%43.9%
IV Percentile74.8%38.5%94.4%38.5%72.2%
Term Structure-0.1%-0.6%0.3%0.1%0.1%
VWIV15.1%12.1%17.4%12.1%15.2%
Skew 25d3.4%2.6%4.9%2.8%3.0%
Skew 10d7.6%5.5%10.6%7.6%6.5%
Call IV 25d12.4%10.1%14.4%10.1%12.0%
Put IV 25d15.8%12.9%19.1%12.9%15.0%
Bid-Ask Spread %6.765.079.347.499.34
Gamma HHI0.020.010.040.020.02
Net GEX-26.93B-80.49B22.17B22.17B-46.66B
Net DEX-807.03B-1538.69B21.00B-1538.69B-590.33B
Net VEX-9.65B-10.45B-8.55B-8.55B-9.63B
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.371.211.651.401.23
Total Volume2,941,619.0452,225,7363,582,9712,413,7792,777,681
Total OI20,076,656.72718,964,87621,394,04818,964,87620,236,578

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2024-04-01$5240.73$5000.0011.3%3.2%10.3%17.4%12.1%2.8%0.1%22.17B-1538.69B-8.55B1.407.491,005,8741,407,9056,233,03012,731,846
2024-04-02$5205.49$5000.0012.3%3.5%10.6%29.8%13.2%2.7%0.3%-19.18B-1244.81B-9.10B1.437.691,088,6771,556,8236,290,38112,856,058
2024-04-03$5214.98$5000.0012.4%3.4%9.2%31.2%12.8%2.6%-0.2%6.50B-1315.58B-9.09B1.349.161,080,7841,444,0556,435,57213,099,410
2024-04-04$5155.67$5025.0014.1%4.0%9.9%50.9%14.3%3.4%-0.4%-43.31B-944.25B-9.37B1.325.761,518,6041,997,1886,477,97813,217,175
2024-04-05$5201.73$5025.0013.8%4.0%9.7%46.5%14.8%3.4%0.1%-5.38B-1187.78B-9.63B1.655.071,292,7892,131,8166,546,65713,402,055
2024-04-08$5206.36$5045.0012.9%3.8%9.4%36.8%14.8%3.3%0.1%-3.20B-1238.23B-9.34B1.545.09875,9661,349,7706,530,62613,372,299
2024-04-09$5195.24$5050.0013.3%3.8%9.4%41.0%15.0%3.4%0.1%-9.14B-1187.08B-9.38B1.365.331,176,2711,596,4806,547,51113,417,726
2024-04-10$5162.33$5050.0013.7%3.9%9.0%46.0%14.4%3.4%-0.3%-31.71B-1009.03B-9.49B1.336.071,213,4141,617,9536,589,33813,554,049
2024-04-11$5209.61$5050.0013.0%3.8%9.5%37.1%15.2%3.3%-0.4%11.05B-1292.44B-9.18B1.335.491,252,9521,670,3886,661,72513,700,609
2024-04-12$5124.23$5050.0014.7%4.3%11.1%57.3%16.2%4.3%0.0%-50.98B-777.38B-9.93B1.447.251,466,0442,116,9276,717,09313,864,239
2024-04-15$5061.45$5050.0016.6%4.8%11.9%79.4%17.2%4.9%0.0%-76.26B-442.25B-10.29B1.375.971,481,5872,032,5716,786,93513,862,372
2024-04-16$5063.88$5050.0016.0%4.6%11.4%72.5%16.8%4.3%0.0%-58.05B-484.22B-10.19B1.335.491,216,8551,623,4166,905,25113,992,431
2024-04-17$5028.65$5050.0016.1%4.6%11.5%74.2%16.5%4.2%-0.5%-70.94B-313.93B-10.19B1.346.121,450,8431,949,4676,971,52914,104,189
2024-04-18$5016.10$5050.0015.8%4.6%10.9%70.5%16.8%4.0%-0.6%-71.30B-252.79B-10.25B1.425.881,240,9651,763,3307,082,02514,312,023
2024-04-19$4957.24$5030.0016.5%4.8%11.0%78.4%17.4%4.0%0.1%-80.49B21.00B-10.45B1.417.321,465,0862,061,4286,450,50313,017,575
2024-04-22$5013.16$5000.0014.7%4.3%12.1%58.0%15.3%3.0%0.2%-35.29B-343.05B-9.96B1.347.151,361,4741,830,8466,590,99512,930,832
2024-04-23$5070.98$5000.0014.0%4.0%13.0%49.0%15.8%2.9%0.0%-1.34B-682.82B-9.74B1.366.291,182,3591,607,4126,684,82913,079,312
2024-04-24$5071.61$5000.0013.9%4.0%13.0%48.6%14.5%3.0%-0.5%-14.55B-680.62B-9.74B1.246.681,209,1101,500,1506,780,13913,226,249
2024-04-25$5044.69$5000.0014.4%4.2%12.8%53.7%15.1%3.2%-0.5%-37.46B-513.79B-9.88B1.218.411,365,3261,657,5916,766,01013,238,102
2024-04-26$5103.65$5000.0013.0%3.8%13.6%37.6%14.2%2.9%-0.5%19.01B-870.16B-9.60B1.388.011,136,7031,565,7176,842,62613,462,294
2024-04-29$5104.95$5000.0012.8%3.9%13.6%35.8%14.5%2.8%0.0%4.04B-866.36B-9.42B1.357.651,009,5221,365,5006,785,18813,333,084
2024-04-30$5060.35$5000.0013.5%4.2%13.7%43.9%15.2%3.0%0.1%-46.66B-590.33B-9.63B1.239.341,245,0061,532,6756,807,84613,428,732