TSM Options History — March 2026

In March 2026, TSM traded between $315.05 and $370.69. ATM implied volatility averaged 44.7%, placing in the 34.9% IV rank vs the trailing year. The 30-day expected move averaged 13.1%. IV traded above realized volatility by 4.7% (HV 20d: 40.1%). Max pain ranged from $320.00 to $350.00. Net GEX was positive for 4 of 22 trading days. Term structure was in contango for 9 of 22 days. Put/call ratio averaged 1.46.

Notable Days

2026-03-16: Highest Volume — 434,872 contracts
2026-03-09: Largest IV drop — 12.0% change
2026-03-30: Highest IV Rank — 49.0%
2026-03-12: Largest Expected Move — 14.8%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$342.11	$315.05	$370.69	$370.69	$337.36
Max Pain	$344.09	$320.00	$350.00	$320.00	$340.00
ATM IV	44.7%	40.2%	51.0%	43.5%	49.1%
Expected Move	13.1%	11.6%	14.8%	13.0%	14.1%
HV 20d	40.1%	37.5%	48.4%	38.9%	48.4%
HV 60d	37.6%	35.5%	40.9%	35.5%	40.9%
IV Rank	34.9%	24.7%	49.0%	32.0%	44.8%
IV Percentile	86.3%	69.0%	97.6%	84.5%	95.2%
Term Structure	-0.1%	-2.5%	2.6%	-0.6%	-1.0%
VWIV	47.5%	42.6%	56.2%	48.7%	54.0%
Skew 25d	7.6%	4.6%	11.0%	4.6%	6.4%
Skew 10d	16.5%	11.6%	25.3%	11.6%	14.6%
Call IV 25d	41.7%	38.6%	48.4%	41.5%	46.5%
Put IV 25d	49.3%	44.8%	56.1%	46.1%	52.9%
Bid-Ask Spread %	30.29	18.46	44.13	21.14	18.46
Gamma HHI	0.05	0.03	0.13	0.04	0.03
Net GEX	-91.8M	-297.0M	47.4M	15.4M	20.7M
Net DEX	-4.47B	-9.87B	40.7M	-9.87B	-4.70B
Net VEX	-71.2M	-75.5M	-66.3M	-66.3M	-75.5M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	1.46	0.20	2.24	2.24	0.34
Total Volume	170,858.955	94,048	434,872	128,635	283,808
Total OI	1,583,932.909	1,433,619	1,747,789	1,433,619	1,545,602

Daily Data (22 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
2026-03-02	$370.69	$320.00	43.5%	13.0%	38.9%	32.0%	48.7%	4.6%	-0.6%	15.4M	-9.87B	-66.3M	2.24	21.14	39,669	88,966	617,364	816,255
2026-03-03	$354.88	$320.00	44.4%	13.6%	41.4%	34.2%	49.0%	6.2%	-0.6%	-112.3M	-6.56B	-68.0M	1.21	23.67	85,079	103,301	632,462	850,046
2026-03-04	$360.29	$320.00	42.6%	12.7%	40.9%	30.0%	45.2%	6.5%	-0.2%	-68.5M	-7.89B	-68.6M	1.41	24.16	54,964	77,598	650,050	880,940
2026-03-05	$351.93	$350.00	45.3%	13.0%	40.6%	36.1%	45.3%	7.9%	-2.2%	-164.5M	-5.82B	-70.5M	2.07	44.13	67,454	139,709	664,137	921,676
2026-03-06	$338.88	$350.00	49.7%	14.2%	43.2%	46.1%	49.6%	11.0%	-2.5%	-297.0M	-2.91B	-70.8M	2.06	41.96	59,485	122,457	679,133	933,553
2026-03-09	$347.32	$350.00	43.7%	12.6%	38.4%	32.6%	46.0%	10.2%	0.7%	-62.5M	-5.76B	-70.5M	1.46	36.82	70,448	102,636	654,100	897,470
2026-03-10	$347.67	$340.00	42.2%	12.7%	37.7%	29.1%	47.8%	6.7%	1.7%	-15.6M	-6.16B	-70.0M	1.81	43.31	48,536	87,946	676,603	903,862
2026-03-11	$353.17	$340.00	41.4%	12.6%	37.7%	27.4%	45.0%	7.9%	2.6%	47.4M	-7.30B	-71.7M	2.03	37.17	32,875	66,634	692,307	922,333
2026-03-12	$338.15	$350.00	44.2%	14.8%	38.2%	33.6%	48.0%	8.1%	1.6%	-170.4M	-3.48B	-70.8M	1.30	32.13	91,812	119,207	697,891	958,060
2026-03-13	$336.34	$350.00	45.0%	13.4%	38.0%	35.5%	49.7%	8.7%	1.0%	-157.9M	-3.20B	-70.9M	1.95	34.86	49,378	96,254	716,278	982,173
2026-03-16	$340.38	$350.00	42.9%	12.3%	38.4%	30.7%	45.1%	7.2%	0.9%	-81.1M	-4.36B	-69.0M	0.20	26.98	362,820	72,052	681,106	930,282
2026-03-17	$346.39	$350.00	40.2%	11.6%	39.1%	24.7%	43.3%	6.3%	0.3%	-11.7M	-4.86B	-70.4M	1.86	29.52	39,772	73,880	672,465	965,661
2026-03-18	$339.56	$350.00	43.5%	12.4%	39.6%	32.1%	45.6%	6.8%	-0.1%	-86.9M	-3.37B	-71.0M	1.60	40.44	37,614	60,149	686,218	987,660
2026-03-19	$338.56	$350.00	42.1%	12.1%	39.5%	29.1%	42.6%	7.2%	-0.5%	-117.3M	-3.31B	-71.1M	1.04	32.36	82,945	86,553	695,987	995,774
2026-03-20	$327.83	$350.00	45.1%	13.0%	38.8%	35.6%	48.5%	9.6%	-0.6%	-238.0M	-117.1M	-72.6M	1.74	33.71	87,332	152,271	702,548	1,045,241
2026-03-23	$339.72	$350.00	43.3%	12.6%	41.6%	31.7%	44.3%	7.2%	-1.6%	-63.9M	-4.48B	-72.1M	1.28	23.13	53,259	68,132	618,064	862,366
2026-03-24	$343.22	$350.00	43.8%	12.6%	37.5%	32.8%	46.9%	7.7%	-0.6%	-11.5M	-5.38B	-73.6M	1.45	24.22	38,381	55,667	644,778	881,932
2026-03-25	$346.57	$350.00	44.6%	12.8%	37.8%	34.6%	45.9%	7.3%	0.2%	28.7M	-6.13B	-74.0M	1.12	22.92	59,753	67,201	657,178	893,681
2026-03-26	$326.45	$350.00	47.0%	13.4%	41.4%	39.9%	47.7%	7.9%	0.3%	-186.0M	-1.35B	-72.5M	1.39	27.07	58,866	81,839	658,081	895,243
2026-03-27	$326.09	$350.00	49.5%	14.2%	41.5%	45.6%	50.1%	7.6%	-0.6%	-166.3M	-1.42B	-74.1M	1.32	27.42	81,551	107,605	670,380	905,686
2026-03-30	$315.05	$340.00	51.0%	14.5%	42.6%	49.0%	56.2%	7.6%	-0.6%	-121.5M	40.7M	-72.7M	1.18	20.77	65,552	77,487	660,035	843,863
2026-03-31	$337.36	$340.00	49.1%	14.1%	48.4%	44.8%	54.0%	6.4%	-1.0%	20.7M	-4.70B	-75.5M	0.34	18.46	212,007	71,801	679,111	866,491