TSM Options History — April 2026

In April 2026, TSM traded between $338.94 and $380.22. ATM implied volatility averaged 44.4%, placing in the 46.8% IV rank vs the trailing year. The 30-day expected move averaged 12.7%. IV traded below realized volatility by 3.2% (HV 20d: 47.6%). Max pain ranged from $340.00 to $340.00. Net GEX was positive for 14 of 14 trading days. Term structure was in contango for 4 of 14 days. Put/call ratio averaged 0.89.

Notable Days

2026-04-16: Highest Volume — 374,018 contracts
2026-04-16: Largest IV drop — 9.3% change
2026-04-15: Highest IV Rank — 71.4%
2026-04-07: Largest Expected Move — 13.6%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$361.06	$338.94	$380.22	$341.69	$365.96
Max Pain	$340.00	$340.00	$340.00	$340.00	$340.00
ATM IV	44.4%	40.7%	47.4%	46.3%	43.0%
Expected Move	12.7%	11.7%	13.6%	13.3%	12.3%
HV 20d	47.6%	45.0%	49.8%	48.3%	46.0%
HV 60d	41.3%	40.7%	42.4%	40.9%	41.0%
IV Rank	46.8%	35.1%	71.4%	38.4%	63.9%
IV Percentile	84.9%	70.6%	94.4%	91.3%	82.1%
Term Structure	-0.3%	-1.6%	1.1%	-0.7%	-1.6%
VWIV	45.4%	41.5%	48.7%	48.7%	44.2%
Skew 25d	2.8%	0.4%	6.2%	5.6%	0.9%
Skew 10d	6.3%	0.8%	12.2%	11.5%	3.3%
Call IV 25d	43.4%	40.6%	46.1%	44.0%	42.7%
Put IV 25d	46.2%	41.2%	50.7%	49.6%	43.6%
Bid-Ask Spread %	26.81	13.80	39.20	13.80	16.27
Gamma HHI	0.07	0.04	0.25	0.04	0.05
Net GEX	180.2M	31.5M	678.6M	95.0M	93.3M
Net DEX	-10.20B	-14.24B	-6.02B	-6.69B	-8.85B
Net VEX	-78.1M	-81.2M	-74.6M	-81.1M	-81.2M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.89	0.55	1.36	0.66	1.26
Total Volume	156,467.857	51,734	374,018	125,869	69,277
Total OI	1,649,739.786	1,519,167	1,829,992	1,632,722	1,563,334

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	$341.69	$340.00	46.3%	13.3%	48.3%	38.4%	48.7%	5.6%	-0.7%	95.0M	-6.69B	-81.1M	0.66	13.80	75,865	50,004	748,948	883,774
2026-04-02	$338.94	$340.00	46.4%	13.3%	47.7%	38.6%	46.4%	6.2%	-0.6%	31.5M	-6.02B	-80.5M	1.36	37.23	58,035	78,652	759,242	898,127
2026-04-06	$340.24	$340.00	45.5%	13.0%	45.8%	36.6%	45.8%	5.6%	0.2%	60.6M	-6.11B	-78.7M	0.74	39.20	41,645	30,675	730,375	865,057
2026-04-07	$343.29	$340.00	47.4%	13.6%	45.0%	40.8%	48.7%	5.5%	0.2%	89.1M	-6.83B	-79.2M	0.91	38.42	27,144	24,590	747,898	876,335
2026-04-08	$364.26	$340.00	44.9%	12.9%	49.8%	35.2%	45.9%	5.1%	-0.2%	205.1M	-11.98B	-78.0M	0.72	32.03	99,470	71,146	754,516	885,537
2026-04-09	$364.77	$340.00	44.8%	12.9%	49.5%	35.1%	46.5%	3.4%	-0.4%	256.4M	-12.07B	-78.3M	0.78	35.17	61,658	48,205	774,909	900,715
2026-04-10	$371.01	$340.00	45.4%	13.0%	46.8%	36.4%	45.1%	2.9%	-1.2%	678.6M	-13.83B	-77.5M	0.55	17.93	140,242	77,472	796,046	910,092
2026-04-13	$369.87	$340.00	44.4%	12.7%	46.8%	48.0%	45.9%	1.1%	-0.4%	174.2M	-12.13B	-74.9M	1.08	25.97	60,285	65,172	738,193	869,227
2026-04-14	$380.22	$340.00	44.1%	12.7%	47.4%	47.1%	45.0%	1.3%	-0.3%	222.1M	-14.24B	-74.6M	1.27	27.11	55,906	71,192	746,593	886,002
2026-04-15	$375.54	$340.00	45.4%	13.0%	47.6%	71.4%	46.4%	0.4%	-0.1%	179.1M	-12.98B	-76.3M	0.85	28.34	118,721	100,516	754,022	909,264
2026-04-16	$362.99	$340.00	41.2%	11.8%	48.8%	52.8%	42.4%	0.8%	0.9%	42.3M	-9.93B	-77.2M	0.73	20.07	216,472	157,546	799,851	949,141
2026-04-17	$369.63	$340.00	40.7%	11.7%	49.0%	53.3%	41.5%	0.7%	1.1%	295.9M	-11.90B	-78.0M	0.96	26.90	124,711	119,381	824,777	1,005,215
2026-04-20	$366.45	$340.00	41.6%	11.9%	47.4%	57.7%	42.9%	0.4%	-0.5%	99.7M	-9.26B	-78.4M	0.59	16.92	92,065	54,503	691,502	827,665
2026-04-21	$365.96	$340.00	43.0%	12.3%	46.0%	63.9%	44.2%	0.9%	-1.6%	93.3M	-8.85B	-81.2M	1.26	16.27	30,641	38,636	708,109	855,225