Net gamma exposure by strike ($M per 1% move) · estimated from the MU options chain (Polygon).
These are the 6 strikes carrying the most dealer gamma in MU right now. The heaviest is 1000 at +236.7M per 1% move, 2.3% above spot — that is where hedging flow concentrates, and where price tends to slow down or stall.
| Strike | Net gamma | From spot | Effect |
|---|---|---|---|
| 1020 | +37.5M | 4.3% | pins price |
| 1005 | +55.6M | 2.8% | pins price |
| 1000 | +236.7M | 2.3% | pins price |
| 995 | +26.7M | 1.8% | pins price |
| 990 | +85.2M | 1.3% | pins price |
| 985 | +35.5M | 0.8% | pins price |
As of the latest session, MU is trading at $977.50 (+0.77% on the day). Net dealer gamma is negative, with the zero-gamma flip near 989.71. The call wall sits at 1000 (upside magnet / resistance) and the put wall at 950 (downside level). Max pain is 935, and the options market is pricing a 1-sigma expected move of about ±3.8% (ATM IV 103%).
MU is trading below its zero-gamma flip. Spot 977.5 sits −1.25% under 989.71, which puts dealers on the wrong side of their hedges: staying neutral forces them to sell weakness and buy strength. That is the mechanical reason moves in MU are extending rather than fading right now. Until 989.71 is reclaimed and held, treat every level below as a through-level rather than support.
One strike dominates the map: 1000, carrying +$237M per 1% move — above the current price. Positive gamma that size behaves like a wall: rallies into it get sold by hedging flow, and dips toward it get bought.
Options are expensive here: ATM implied volatility is 103%, pricing a 1-sigma move of ±3.8% (±$37.22) into the nearest expiry. At that level you need the move and you need it quickly — long premium bleeds fast, and the structure above argues for spreads over outright calls.
That leaves a working band of 950 to 1000 — 5.1% of spot, with +2.30% of room to the call wall and −2.81% down to the put wall. In a positive-gamma tape the edge is fading the edges of that band rather than chasing either end.
Want it interactive? Open MU on the live gamma map → · see how MU compares across the whole board on the free market regime tracker · new to this? What is GEX →
MU is in negative gamma — spot is −1.25% below the 989.71 flip. Dealers amplify moves at these levels, so MU trends rather than pins, and downside levels behave as through-levels instead of support.
About −1.25%, which is roughly -0.3× the ±3.8% the options are pricing for one session. Under 1× means the flip is reachable in a normal day; over 2× means the regime is unlikely to change without a catalyst. We track this across every major index on the free regime dashboard.
MU's flip is 989.71, with spot at $977.50. Price is under it, so MU needs to reclaim 989.71 and hold it to get back into the suppressed regime — roughly -0.3× a single session's expected move away, which is why the level matters more than any moving average on the chart right now.
MU's call wall (1000) is a magnet and resistance; the put wall (950) is support in positive gamma but a through-level once price is below the flip.
935, for the 2026-09-18 expiry — expiring today. Spot is $977.50, so max pain sits 4.3% below the current price. In negative gamma the pull is weak: dealers are amplifying moves, not damping them toward a strike.
About +439M per 1% move into the 2026-09-18 expiry — though spot is below the zero-gamma flip, so hedging at this price runs with the move and adds to it. GEX describes the character of the tape, not the direction. How dealer gamma works →
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Estimated from the MU options chain (Polygon) · gamma shifts intraday · educational, not financial advice · options carry substantial risk.
