C Options History — April 2026

In April 2026, C traded between $114.88 and $132.94. ATM implied volatility averaged 35.8%, placing in the 33.0% IV rank vs the trailing year. The 30-day expected move averaged 10.3%. IV traded below realized volatility by 0.5% (HV 20d: 36.3%). Max pain ranged from $110.00 to $120.00. Net GEX was positive for 14 of 14 trading days. Term structure was in contango for 5 of 14 days. Put/call ratio averaged 0.76.

Notable Days

2026-04-15: Highest Volume — 212,908 contracts
2026-04-14: Largest IV drop — 8.6% change
2026-04-21: Highest IV Rank — 49.7%
2026-04-02: Largest Expected Move — 11.6%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$125.09	$114.88	$132.94	$115.28	$131.51
Max Pain	$112.50	$110.00	$120.00	$110.00	$120.00
ATM IV	35.8%	31.5%	40.5%	39.2%	34.7%
Expected Move	10.3%	9.0%	11.6%	11.2%	10.0%
HV 20d	36.3%	34.4%	37.5%	37.3%	36.9%
HV 60d	38.8%	37.5%	40.1%	39.6%	37.6%
IV Rank	33.0%	21.1%	49.7%	34.0%	49.7%
IV Percentile	80.8%	65.1%	91.7%	90.1%	82.1%
Term Structure	-0.5%	-2.2%	1.5%	1.5%	-1.3%
VWIV	36.3%	30.8%	42.4%	42.4%	35.5%
Skew 25d	6.6%	3.5%	9.4%	7.7%	3.5%
Skew 10d	13.7%	3.7%	18.8%	16.2%	3.7%
Call IV 25d	32.6%	29.3%	36.5%	35.6%	32.0%
Put IV 25d	39.1%	34.7%	44.9%	43.3%	35.5%
Bid-Ask Spread %	11.84	7.56	14.88	8.56	12.09
Gamma HHI	0.12	0.08	0.17	0.08	0.14
Net GEX	104.9M	72.8M	154.3M	74.3M	106.1M
Net DEX	-4.90B	-6.79B	-2.93B	-3.09B	-5.08B
Net VEX	-22.6M	-24.2M	-20.7M	-24.2M	-22.8M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.76	0.17	1.23	0.67	1.23
Total Volume	80,322.786	36,868	212,908	46,011	43,616
Total OI	1,412,859.857	1,324,395	1,593,901	1,359,915	1,435,088

Daily Data (14 trading days)

Date	Price	Max Pain	ATM IV	Exp Move	HV 20d	IV Rank	VWIV	Skew 25d	Term Str	GEX	DEX	VEX	P/C	Spread %	Call Vol	Put Vol	Call OI	Put OI
2026-04-01	$115.28	$110.00	39.2%	11.2%	37.3%	34.0%	42.4%	7.7%	1.5%	74.3M	-3.09B	-24.2M	0.67	8.56	27,529	18,482	663,870	696,045
2026-04-02	$114.88	$110.00	40.5%	11.6%	37.3%	36.9%	42.4%	9.4%	1.4%	81.0M	-2.93B	-24.2M	0.88	14.56	24,481	21,548	661,349	703,277
2026-04-06	$117.05	$110.00	39.3%	11.3%	36.4%	34.2%	37.5%	8.2%	-0.7%	72.8M	-3.29B	-23.4M	0.54	11.08	35,117	18,941	649,179	675,216
2026-04-07	$117.64	$110.00	40.1%	11.5%	34.4%	35.9%	41.5%	8.4%	-1.5%	77.3M	-3.41B	-23.3M	0.84	12.23	19,987	16,881	663,336	681,357
2026-04-08	$123.28	$110.00	37.4%	10.7%	37.5%	30.1%	37.6%	7.6%	-1.8%	108.1M	-4.68B	-22.6M	1.06	14.88	46,885	49,554	674,107	691,335
2026-04-09	$125.33	$110.00	35.9%	10.3%	37.0%	26.9%	37.4%	8.9%	-1.2%	103.8M	-5.09B	-22.4M	0.61	12.11	72,228	44,339	676,963	703,441
2026-04-10	$124.59	$110.00	36.2%	10.4%	37.1%	27.5%	35.9%	5.8%	-2.2%	111.7M	-5.07B	-22.6M	0.63	14.41	33,005	20,670	695,412	714,023
2026-04-13	$125.81	$110.00	34.5%	9.9%	34.4%	23.8%	36.4%	6.8%	0.2%	108.8M	-5.11B	-22.3M	0.93	11.41	53,133	49,420	685,336	686,427
2026-04-14	$129.58	$110.00	31.5%	9.0%	35.0%	21.1%	32.3%	5.4%	1.0%	116.5M	-6.10B	-20.7M	0.45	8.82	69,234	31,394	700,725	710,114
2026-04-15	$131.86	$115.00	34.2%	9.8%	35.1%	28.0%	31.7%	4.9%	-1.1%	106.4M	-6.47B	-21.0M	0.17	13.12	181,759	31,149	709,064	719,644
2026-04-16	$129.47	$115.00	33.2%	9.5%	36.5%	35.3%	34.0%	5.1%	0.4%	154.3M	-6.15B	-22.2M	0.94	14.10	36,266	34,019	836,782	734,715
2026-04-17	$132.01	$115.00	32.0%	9.2%	36.6%	37.7%	30.8%	4.5%	-0.9%	131.5M	-6.79B	-22.3M	0.68	7.56	62,021	42,255	844,917	748,984
2026-04-20	$132.94	$120.00	32.9%	9.4%	36.6%	41.6%	33.5%	5.7%	-1.0%	115.3M	-5.40B	-22.5M	0.94	10.87	20,980	19,626	747,621	671,711
2026-04-21	$131.51	$120.00	34.7%	10.0%	36.9%	49.7%	35.5%	3.5%	-1.3%	106.1M	-5.08B	-22.8M	1.23	12.09	19,527	24,089	753,841	681,247