Data through close

TSM gamma max, delta neutral & open interest levels

As of close · rank #57 by open interest · 1,379 sessions of history since Dec 1, 2020

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Close
433.24
prev 428.03
Gamma max
476.17
+9.9% from close
Delta neutral
401.60
-7.3% from close
Gamma neutral
420.45
-3.0% from close
Open interest
1,876,803
-2.9% vs prev
Contracts listed
1,802
1,030 calls · 981 puts

TSM closed 9.9% below its gamma max of 476.17. It is 7.3% above the delta neutral price of 401.60. Total open interest is 1,876,803, -2.9% versus the previous session. What gamma max means · What delta neutral means

One-year history

2025-092026-09
close delta neutral gamma max

Last 252 sessions

Sessions closed above gamma max1%
Gamma max crosses4
Delta neutral crosses4
Open interest percentile (1y)79th
Open interest change, 5 sessions-1.9%
Open interest change, 21 sessions-10.8%
History availableDec 1, 2020 → Sep 11, 2026

Recent crosses

  1. closed above delta neutral at 403.31 vs 383.09 (+5.0%)
  2. closed below delta neutral at 374.67 vs 382.43 (-2.1%)
  3. closed above delta neutral at 337.95 vs 318.02 (+5.9%)
  4. closed below delta neutral at 316.50 vs 317.62 (-0.4%)
  5. closed below gamma max at 288.11 vs 292.86 (-1.6%)
  6. closed above gamma max at 288.47 vs 288.08 (+0.1%)
  7. closed below gamma max at 280.71 vs 287.19 (-2.3%)
  8. closed above gamma max at 282.71 vs 281.07 (+0.6%)
  9. closed below gamma max at 258.91 vs 265.41 (-2.5%)
  10. closed above gamma max at 260.44 vs 258.75 (+0.6%)

In today's screens

Neighbours by open interest

Questions people ask about TSM

Where is TSM's gamma max today?

As of Sep 11, 2026, the gamma max for TSM is 476.17, +9.9% from the 433.24 close. Gamma max is the underlying price at which the summed gamma of every open contract is largest; how it is computed and why it matters.

Is TSM above or below its delta neutral price?

TSM closed above delta neutral: 433.24 against a delta neutral price of 401.60. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does TSM have?

1,876,803 contracts of open interest across 1,802 listed contracts on Sep 11, 2026, -2.9% versus the previous session. What open interest measures.

Levels are recomputed after every trading day from end-of-day options data licensed from HistoricalOptionData.com; only derived aggregates are published. Methodology · Data and licence · Not investment advice.