Daily Brief — Tue Oct 13, 2026: SPY's GEX Levels + Today's Watchlist | AlgoX Flow AlgoxFlow← AlgoxFlow
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Daily Brief · GEX levels + watchlist

Daily Brief — Tue Oct 13, 2026

SPY is sitting 0.49% below its own zero-gamma flip this morning, while its put wall and max pain both land at 777 — five cents from spot, on the same strike that expires today. Plus 8 names with real options flow, including three separate bullish bets underneath names trading below their own flip.
Tape: SPY is below its own flip while the chain's total gamma is still net positive SPY: 777.38 0.49% below its 781.18 flip Exp move: ±0.6% 0DTE — today's own expiry Bias: the 777 line (put wall + max pain) is the gravity well into the close

1 · The one thing that matters today

as of 13:10 UTC pre-market

SPY (777.38) is 0.49% below its own zero-gamma flip (781.18) — but the chain's aggregate dealer gamma is still net positive, +$673M. That's the contradiction worth naming rather than smoothing over: in aggregate, across every strike, the chain leans positive. But dealers hedge at the price SPY is actually trading at, not the chain average — and at 777.38, spot sits on the negative side of the flip. The regime that matters for today's price action is the local one, not the headline total.

The put wall and max pain both land at exactly 777 — five cents below spot — and today's nearest options expiry is today itself (0DTE). That's real pin risk into the close: the biggest single concentration of gamma on the board sits almost exactly where SPY is already trading, on the day those contracts stop existing.

2 · SPY GEX levels

live · algoxflow.com/gex?ticker=SPY
Spot
777.38
pre-market
Zero-gamma flip
781.18
+0.49% above spot
Call wall
780
+0.34% above spot
Put wall
777
−0.05% below spot
Max pain
777
same line as put wall, 0DTE
Expected move
±0.6%
($4.68)

Put wall and max pain sitting on the same strike, five cents from spot, on the day that strike expires is as tight a pin setup as this board logs. Reclaim 781.18 and SPY moves back into positive gamma with the call wall barely a quarter-point above; stay below it and 777 is where the magnets are into the close.

3 · The watchlist — 8 names with real flow behind them today

sourced from today's sweeps feed, checked against each name's own gamma structure

Put wall · Call wall · flip and status pulled live per ticker, not estimated.

TickerSpotFlipCall WallStatusToday's flow
MU 940.63 848.54 1025 ABOVE FLIP $985P 10/14 — $693,889, the single largest print of the day. A contra bet: MU is comfortably positive gamma, 10.85% above its own flip, and sitting almost exactly on its own 940 put wall.
MSFT 543.85 542.66 550 IN ZONE $500C 10/16 — $663,825, the second-largest print today. MSFT is just 0.22% above its own flip — the one razor-thin read on this list, everything else has real distance.
DELL 561.50 643.49 600 BELOW FLIP $600C 10/16 — $328,145, bullish. DELL is 12.74% under its own flip — a sizable bet against real structural headwind.
NVDA 224.17 233.33 230 BELOW FLIP $265C 1/15/27 — $193,500, a LEAPS call three months out. NVDA is 3.93% below its own flip and sitting almost exactly on its 225 put wall at the same time.
META 734.51 663.47 750 ABOVE FLIP $747.5C 10/14 — $186,000, bullish and consistent with structure. META is 10.71% above its own flip, close to its own 742.5 put wall underneath.
INTC 99.48 — 110 NO FLIP $115C 11/20 — $184,980, bullish. INTC's raw gamma is genuinely noisy near spot — no reliable flip today, stated as such rather than forced. Sitting 0.52% from its own 100 put wall.
JPM 336.70 338.54 345 BELOW FLIP $350C 11/13 — $174,935, bullish. JPM is just 0.54% under its own flip — another thin read today, on the opposite side of the line from SPY's.
CRWD 261.06 299.17 275 BELOW FLIP $135P 6/17/27 — $168,709, a LEAPS put eight months out, bearish. The one name on this list where the flow agrees with the structure — CRWD is 12.74% under its own flip.

4 · How to trade today

the plan
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Educational content, not investment advice. Pre-market figures and gamma levels are indicative and move fast — re-check into the cash open. Options carry a substantial risk of loss. Trade your own plan.
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