Data through close

FSLY gamma max, delta neutral & open interest levels

As of close · rank #398 by open interest · 1,379 sessions of history since Dec 1, 2020

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Close
23.16
prev 22.71
Gamma max
24.98
+7.8% from close
Delta neutral
19.09
-17.6% from close
Gamma neutral
19.09
-17.6% from close
Open interest
222,216
-4.3% vs prev
Contracts listed
437
249 calls · 209 puts

FSLY closed 7.8% below its gamma max of 24.98. It is 17.6% above the delta neutral price of 19.09. Total open interest is 222,216, -4.3% 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 max16%
Gamma max crosses35
Delta neutral crosses6
Open interest percentile (1y)87th
Open interest change, 5 sessions+9.1%
Open interest change, 21 sessions+20.5%
History availableDec 1, 2020 → Sep 11, 2026

Recent crosses

  1. closed below gamma max at 22.71 vs 24.50 (-7.9%)
  2. closed above gamma max at 30.02 vs 29.49 (+1.8%)
  3. closed below gamma max at 28.53 vs 28.90 (-1.3%)
  4. closed above gamma max at 27.75 vs 25.19 (+9.2%)
  5. closed below gamma max at 22.68 vs 26.31 (-16.0%)
  6. closed above gamma max at 24.95 vs 23.81 (+4.6%)
  7. closed below gamma max at 22.66 vs 23.08 (-1.8%)
  8. closed above gamma max at 21.55 vs 20.59 (+4.4%)
  9. closed below gamma max at 20.00 vs 20.70 (-3.5%)
  10. closed above gamma max at 20.90 vs 20.45 (+2.2%)

In today's screens

Neighbours by open interest

Questions people ask about FSLY

Where is FSLY's gamma max today?

As of Sep 11, 2026, the gamma max for FSLY is 24.98, +7.8% from the 23.16 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 FSLY above or below its delta neutral price?

FSLY closed above delta neutral: 23.16 against a delta neutral price of 19.09. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does FSLY have?

222,216 contracts of open interest across 437 listed contracts on Sep 11, 2026, -4.3% 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.