GAMMA & VOLATILITY$SPCXSpace Exploration Technologies Corp.Open ticker analysis →
Options positioning in Space Exploration Technologies is stacking up around the $148 strike into Oct 19, 1.3% above where the stock trades at $146.03. Net gamma reads negative, a setup where hedging can speed moves up instead of slowing them down.
What happened
Across 102 contracts in the Oct 19 expiration, the heaviest gamma sits at $148. Net gamma exposure across the chain comes to roughly $14.63M negative, with about $34.37M of premium traded.
This read uses the standard gamma-map convention, counting call open interest as positive gamma and put open interest as negative. Real dealer books can differ, so treat the sign as a guide to the setup rather than a certainty.
Why it matters
When net gamma is negative, hedging chases the move: market makers buy as the stock rises and sell as it falls. Breaks can travel further and faster than usual in that setup.
For scale, Space Exploration Technologies is a mega-cap computer programming company valued near $1.92T, so it takes serious money to move the stock, which is what makes signals like this one worth tracking.
With 2 days left, this is expiration-week territory, when pinning pressure around big strikes is usually at its strongest.
Zooming out, $SPCX has been in a slow fade, down 4.4% over the past 20 sessions, and it trades below its 20-day average of $155.24, in the middle of that range between $131.22 and $176.42.
The numbers
| Stock price | $146.03 |
|---|---|
| Expiration | Oct 19 (2 days) |
| Peak gamma strike | $148 |
| Strike vs. stock | 1.3% above |
| Net gamma exposure | $14.63M (negative) |
| Premium traded | $34.37M |
| Contracts in chain | 102 |
| 40-session range | $131.22, $176.42 |
| 20-day average price | $155.24 |
| 20-session change | -4.4% |
Three ways this could play out
Bullish continuation
If $SPCX pushes through $176.42, the top of its recent range, it breaks away from the $148 cluster. With negative gamma, hedging can add fuel and extend the move.
Bearish rejection
If $SPCX drops under $131.22, the bottom of its recent range, the $148 cluster stops acting as support. Negative gamma means hedging sells into the drop and can speed it up.
Neutral stabilization
If $SPCX hovers near $148 into Oct 19, the cluster does its job and expiration-week pinning becomes the story.
What to watch next
- $148: the peak gamma strike and the most likely pin into expiration.
- Oct 19: expiration, when this positioning rolls off and the magnet effect ends.
- Whether net gamma flips sign as the stock moves. A flip from positive to negative often marks a volatility shift.
- $131.22 and $176.42: the edges of the recent trading range.
