MDBX Options History — April 2026

In April 2026, MDBX traded between $16.48 and $27.00. ATM implied volatility averaged 115.2%, placing in the 29.6% IV rank vs the trailing year. The 30-day expected move averaged 33.0%. IV traded above realized volatility by 0.6% (HV 20d: 114.5%). Max pain ranged from $17.00 to $19.00. Net GEX was positive for 14 of 14 trading days. Term structure was in contango for 6 of 14 days. Put/call ratio averaged 0.20.

Notable Days

2026-04-14: Highest Volume — 371 contracts
2026-04-21: Largest IV spike — 280.7% change
2026-04-21: Highest IV Rank — 100.0%
2026-04-21: Largest Expected Move — 100.7%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$19.47	$16.48	$27.00	$20.37	$27.00
Max Pain	$17.71	$17.00	$19.00	$19.00	$18.00
ATM IV	115.2%	64.4%	351.4%	117.8%	351.4%
Expected Move	33.0%	18.5%	100.7%	33.8%	100.7%
HV 20d	114.5%	98.2%	180.4%	107.2%	180.4%
HV 60d	173.5%	170.6%	191.6%	172.3%	191.6%
IV Rank	29.6%	2.3%	100.0%	38.1%	100.0%
IV Percentile	46.9%	1.4%	100.0%	69.1%	100.0%
Term Structure	58.5%	-154.8%	386.5%	-1.7%	-154.8%
VWIV	90.9%	39.6%	123.0%	120.0%	39.6%
Skew 25d	21.1%	1.4%	185.6%	1.4%	185.6%
Skew 10d	18.5%	-23.7%	133.4%	21.4%	133.4%
Call IV 25d	100.4%	76.2%	119.1%	117.6%	93.7%
Put IV 25d	121.5%	78.2%	279.3%	118.9%	279.3%
Bid-Ask Spread %	93.81	38.26	183.10	38.26	85.12
Gamma HHI	0.27	0.10	0.98	0.10	0.20
Net GEX	15.6K	1.2K	135.5K	1.3K	5.4K
Net DEX	-269.5K	-1.5M	-8.5K	-55.0K	-1.5M
Net VEX	-1.3K	-3.7K	-323	-485	-3.7K
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.20	0.00	2.00	0.00	0.02
Total Volume	89.857	0	371	2	0
Total OI	468.143	189	849	189	811

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	$20.37	$19.00	117.8%	33.8%	107.2%	38.1%	120.0%	1.4%	-1.7%	1.3K	-55.0K	-485	0.00	38.26	2	0	134	55
2026-04-02	$20.87	$17.00	110.0%	31.5%	99.8%	32.9%	118.7%	15.7%	20.7%	1.4K	-52.2K	-475	0.00	96.88	0	3	135	55
2026-04-06	$21.20	$17.00	125.5%	36.0%	98.3%	43.3%	123.0%	18.3%	20.8%	1.4K	-57.4K	-478	0.00	93.24	0	4	135	57
2026-04-07	$21.14	$17.00	129.1%	37.0%	98.2%	45.7%	0.0%	14.3%	19.7%	1.3K	-54.7K	-472	0.00	95.09	5	0	135	59
2026-04-08	$20.36	$17.00	86.5%	24.8%	98.6%	17.1%	0.0%	8.4%	-17.9%	1.2K	-20.1K	-323	0.04	183.10	125	5	135	59
2026-04-09	$17.14	$17.00	85.2%	24.4%	114.2%	16.3%	76.2%	8.8%	-13.4%	2.2K	-29.3K	-518	0.17	91.53	30	5	257	50
2026-04-10	$16.48	$18.00	90.1%	25.8%	113.2%	19.5%	67.6%	14.0%	-51.4%	2.7K	-8.5K	-604	0.00	67.11	39	0	321	55
2026-04-13	$17.84	$18.00	82.2%	23.6%	118.2%	14.3%	0.0%	11.1%	-52.8%	4.3K	-80.5K	-856	2.00	100.91	1	2	360	55
2026-04-14	$18.06	$18.00	64.4%	18.5%	116.6%	2.3%	0.0%	2.0%	-37.0%	5.2K	-48.0K	-591	0.00	91.07	371	0	361	56
2026-04-15	$17.90	$18.00	92.6%	26.5%	115.2%	21.2%	0.0%	4.2%	-53.5%	14.9K	-415.9K	-2.5K	0.00	91.28	103	0	712	56
2026-04-16	$17.91	$18.00	96.0%	27.5%	115.3%	23.5%	0.0%	3.7%	386.5%	135.5K	-488.6K	-1.2K	0.00	93.70	260	0	787	56
2026-04-17	$18.27	$18.00	89.5%	25.7%	115.9%	19.1%	39.6%	3.7%	369.9%	17.6K	-506.0K	-2.8K	0.00	95.47	243	1	793	56
2026-04-20	$18.05	$18.00	92.3%	26.5%	112.6%	21.0%	0.0%	4.3%	383.7%	24.3K	-457.2K	-2.5K	0.02	90.62	58	1	766	43
2026-04-21	$27.00	$18.00	351.4%	100.7%	180.4%	100.0%	0.0%	185.6%	-154.8%	5.4K	-1.5M	-3.7K	0.00	85.12	0	0	767	44