Net gamma exposure by strike ($M per 1% move) · estimated from the SMCI options chain (Polygon).
These are the 6 strikes carrying the most dealer gamma in SMCI right now. The heaviest is 41.5 at +10.1M per 1% move, 1.1% above spot — that is where hedging flow concentrates, and where price tends to slow down or stall.
| Strike | Net gamma | From spot | Effect |
|---|---|---|---|
| 45 | +2M | 9.6% | pins price |
| 43 | +2.2M | 4.7% | pins price |
| 42.5 | +4.3M | 3.5% | pins price |
| 42 | +9.3M | 2.3% | pins price |
| 41.5 | +10.1M | 1.1% | pins price |
| 41 | +4.5M | -0.1% | pins price |
As of the latest session, SMCI is trading at $41.06 (+1.69% on the day). Net dealer gamma is positive, with the zero-gamma flip near 40.65. The call wall sits at 41.5 (upside magnet / resistance) and the put wall at 40 (downside level). Max pain is 36, and the options market is pricing a 1-sigma expected move of about ±2.5% (ATM IV 68%).
SMCI is perched right on its flip. Spot 41.06 is only +1.00% above 40.65 — about 0.4× the move the options are pricing for a single session. Technically still positive gamma, but with no margin: a normal day's range reaches the level where dealer hedging flips from damping moves to amplifying them. This is the setup that looks calm and isn't.
The gamma is stacked above spot: +$30M sits overhead against +$6M underneath, a 4.9-to-1 skew. That imbalance is a magnet — dealer hedging leans price upward toward 41.5 — but it is also why there is so little to catch SMCI if it goes the other way.
One strike dominates the map: 41.5, carrying +$10M 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 68%, pricing a 1-sigma move of ±2.5% (±$1.03) 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.
Spot is effectively at the 41.5 call wall (+1.07% away), the top of a 40–41.5 band worth 3.7% of price. This is where hedging flow does the most work: expect supply into strength until the wall is decisively cleared.
Want it interactive? Open SMCI on the live gamma map → · see how SMCI compares across the whole board on the free market regime tracker · new to this? What is GEX →
SMCI is technically in positive gamma, but only just — spot sits +1.00% above the 40.65 flip, inside 0.4× a single session's expected move. The regime is intact but has no margin; a normal day's range can flip it.
About +1.00%, which is roughly 0.4× the ±2.5% 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.
SMCI's flip is 40.65, with spot at $41.06. The level SMCI would have to lose is 40.65, about 0.4× the ±2.5% one session is priced for — inside a normal day's range, so this regime is not safe.
SMCI's call wall (41.5) is a magnet and resistance; the put wall (40) is support in positive gamma but a through-level once price is below the flip.
36, for the 2026-09-18 expiry — expiring today. Spot is $41.06, so max pain sits 12.3% below the current price — and with positive gamma this close to expiry, that gap is the pin risk.
About +33M per 1% move into the 2026-09-18 expiry — and with spot above the zero-gamma flip, dealer hedging works against the move and damps realised volatility. GEX describes the character of the tape, not the direction. How dealer gamma works →
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Estimated from the SMCI options chain (Polygon) · gamma shifts intraday · educational, not financial advice · options carry substantial risk.
