Reading the market regime before prices move

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GAMMA EXPOSURE · Dealer positioning

ON Gamma Exposure Today: Positioning Walls and the Flip

Every number here is computed from the traded ON options chain. The call wall is where dealer hedging accumulates above spot and caps upside, the put wall is its mirror below, and the gamma flip is the level where hedging stops damping moves and starts amplifying them.

84.89$ Positive gamma Last update:

The short answer

Where are the ON call wall and put wall?
Both walls are computed from the options chain and refresh during the session. Their levels are for members.
What does ON gamma positioning mean for the session?
Gamma is positive: dealer hedging tends to sell rallies and buy dips, so price tends to stay calmer inside the range. A positioning read, not advice. Exact levels and minute-by-minute tracking are for members. Unlock every symbol: 5 free trading sessions ←

Computed

Call wall ▮▮▮
Put wall ▮▮▮
Gamma flip ▮▮▮

🔒 Execution levels are locked

The gamma walls and flip point for ON are available to subscribers.

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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▮▮▮ Spot right now ▮▮▮

Gamma on other symbols

Options chain around ON price

ON · open interest at each strike.
Strike Calls Puts Today's volume Skew
79.00 ▮▮▮ ▮▮▮ ▮▮▮ ▮▮▮
80.00 ▮▮▮ ▮▮▮ ▮▮▮ ▮▮▮
81.00 ▮▮▮ ▮▮▮ ▮▮▮ ▮▮▮
82.00 ▮▮▮ ▮▮▮ ▮▮▮ ▮▮▮
83.00 ▮▮▮ ▮▮▮ ▮▮▮ ▮▮▮
84.00 ▮▮▮ ▮▮▮ ▮▮▮ ▮▮▮
85.00 ▮▮▮ ▮▮▮ ▮▮▮ ▮▮▮
86.00 ▮▮▮ ▮▮▮ ▮▮▮ ▮▮▮
87.00 ▮▮▮ ▮▮▮ ▮▮▮ ▮▮▮
88.00 ▮▮▮ ▮▮▮ ▮▮▮ ▮▮▮
89.00 ▮▮▮ ▮▮▮ ▮▮▮ ▮▮▮
90.00 ▮▮▮ ▮▮▮ ▮▮▮ ▮▮▮

How the levels moved at each session close

Session closes from to

ON archive · each session's close.
Day Price Gamma flip Call wall Put wall
2026-09-28 75.53 ▮▮▮ ▮▮▮ ▮▮▮
2026-09-29 75.69 ▮▮▮ ▮▮▮ ▮▮▮
2026-09-30 77.10 ▮▮▮ ▮▮▮ ▮▮▮
2026-10-01 80.39 ▮▮▮ ▮▮▮ ▮▮▮
2026-10-02 85.00 ▮▮▮ ▮▮▮ ▮▮▮
ON numeric indicators.
MetricValue
Max pain strike▮▮▮
Put/Call ratio · today's volume▮▮▮
Put/Call ratio · open interest▮▮▮
0DTE gamma flip▮▮▮
0DTE contracts in chain▮▮▮
Total contracts read▮▮▮

Strongest magnet levels

  • ▮▮▮ ▮▮▮
  • ▮▮▮ ▮▮▮
  • ▮▮▮ ▮▮▮

Strongest accelerant levels

  • ▮▮▮ ▮▮▮
  • ▮▮▮ ▮▮▮
  • ▮▮▮ ▮▮▮

Option walls and session range

The largest call cluster sits at ▮▮▮ and the largest put cluster at ▮▮▮ — 20.00% apart, a wide range. That does not imply a move is coming, only that the walls are far enough apart not to confine ON during the session, so flow leads rather than hedging.

Exposure size and hedging density

Net gamma exposure for ON is ▮▮▮ — a limited size. Hedging for a 1% move is about ▮▮▮ shares. In this range hedging stays secondary to the stock's own flow, so the levels below should not be asked to carry more than they can.

Supporting signals

and this reading is built on 480 contracts in the chain.

What the recent history of ON says

Over the last 23 days of tracking (255 archived snapshots), ON stayed above the gamma flip in 85% of readings، and the flip itself moved between ▮▮▮ and ▮▮▮ — a 28.33% range, which means the level moves with the market and does not serve as a fixed reference across days، and net exposure today is above the period average (▮▮▮).