Reading the market regime before prices move

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After hours
After close · GEX RADAR

US Market Gamma Today

Call wall, put wall and gamma flip for every symbol, computed from traded options chains and refreshed during the US session, with the last update time on each symbol page. Numbers you can check, not opinions.

Gamma Levels Today for the Largest US Symbols →

  • 161symbols in positive gamma
  • 51symbols in negative gamma
  • 15within 0.5% of the flip
  • The more symbols in negative gamma, the more the session tends to trend rather than revert.
Symbols covered: 212 Last update: UTC Last close
CSV export for members

The table shows the open symbols in full (3) The other 209 symbols are computed right now; their levels are for members ↓

Price between the walls
SPYIndices $773.09 $775.00 $769.00 $770.00 0.40% above flip Positive
QQQIndices $725.20 $730.00 $710.00 $721.34 0.54% above flip Positive
NVDA $221.88 $222.50 $220.00 $214.33 3.52% above flip Positive
Refreshed during the US session, with the last update time on each symbol page · all times in UTC. Showing 3 of 3 symbols

The other 209 symbols are computed right now; their levels are for members

Price moves between these levels whether you see them or not. The difference is knowing them before your decision, not after.

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  • Call wall
  • Put wall
  • Gamma flip
  • Gamma regime: positive or negative
  • Options chain around price
  • Past sessions archive
Show all locked symbols (209)

You can check SPY, QQQ, NVDA in full right now, with no subscription.

How to read it

A quick guide to market mechanics from dealer positioning.

Positive gamma

Dealer hedging damps the range: they sell rallies and buy dips, so price grinds and mean-reverts.

Negative gamma

Hedging amplifies moves: they sell into weakness and buy strength, so breaks run further and volatility expands.

Gamma flip

The pivot price where dealer behaviour switches from damping to amplifying or back. Crossing it changes the rules for the whole session.

The walls

The call wall usually sits above price and acts as resistance; the put wall below acts as support. The bar in the table shows where price sits between them.