Gap Up Into the Call Wall — SPX Morning Note, Jul 27, 2026

Key numbers

7,476.58: Premarket

SPX is trading 7,477 premarket — gapping 65 points above Friday's close of 7,412. That clears the gamma flip at 7,455 and the 50-day SMA at 7,472 in one move. The call wall at 7,500 is 23 points above. Before getting aggressive long, want to see a backtest of the 7,455 flip level hold.

The gap is geopolitical. The US suspended airstrikes on Iran over the weekend to allow diplomacy, and Tehran confirmed it would halt retaliatory strikes. Brent crude dropped 7.4% to below $90. VIX futures are down 3.7% to around 17.90. The 10-year is at 4.64%. This is also the busiest week of the quarter — Microsoft and Meta on Wednesday, Apple and Amazon later in the week, Fed decision Wednesday with a 68.5% probability of a hold.

Positive gamma. Premarket is 22 points above the flip at 7,455. The call wall at 7,500 is 23 points above — that's the magnet. The put wall at 7,400 is 77 points below. The 21-week EMA at 7,257 is 220 points below — irrelevant until Friday.

7,455 is the gap level and the flip. If a backtest holds there, 7,500 is the obvious target. If it doesn't, the 8 EMA at 7,465 and the 50-day at 7,472 are in the same zone — all of that needs to hold or the gap fills back toward 7,412.

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Big Picture Levels

7,257: 21-week EMA. Only Friday's close matters.
7,178: 7,194 — 20-week SMA, 100-day SMA.
7,006: 200-day SMA.

Today's Trading

Primary range: 7,429 – 7,497
7,513.95: Prior demand. Resistance.
7,505.64: Prior demand. Resistance.
7,500: Call wall. Magnet. Ceiling.
7,497.24: Ceiling. Call wall area.
7,494.06: 20 SMA (daily) area.
7,488.18: 20 SMA (daily) area.
7,481.01: 21 EMA (daily) area.
7,476.58: Premarket.
7,472.01: 50-day SMA.
7,465.50: 8 EMA (daily) area.
7,457.31: Gamma flip at 7455 converges.
7,455: Gamma flip. The regime line.
7,451.25: Gamma flip at 7455 converges.
7,446.92: Support.
7,444.78: Multi-session support.
7,436.60: 8-week EMA area.
7,433.42: 8-week EMA.
7,429.22: Floor. 8-week EMA area.
7,425.57: Multi-session support.
7,419.43: Multi-session support.
7,412.42: Multi-session support.
7,400: Put wall.
7,384.88: Multi-session support.

GEX Profile (July 27, 2026)

Call Wall: 7,500. 23 points above premarket. Magnet and first resistance above the gap.
Gamma Flip: ~7,455. 22 points below premarket. Gap level — the backtest target. Positive gamma as long as we hold above.
Put Wall: 7,400. 77 points below. Friday's close at 7,412 sits just above it.

Call wall, gamma flip, put wall — what they mean and why they run the session.

Execution Levels

Long Plan

Entry	Why	Targets
Dip Buy: 7,455	Gamma flip. Backtest of gap level — want to see this hold.	7,465 (8 EMA), 7,476 (13 EMA), 7,490 (20 SMA)
Second Bid: 7,447	Support.	7,465 (8 EMA), 7,476 (13 EMA), 7,490 (20 SMA)
Deep Bid: 7,400	Put wall. Dense negative gamma.	7,412, 7,433 (8w EMA), 7,445
Extreme: 7,385	Support. Deep negative gamma.	7,400, 7,412, 7,433 (8w EMA)
Reclaim: 7,497	Through resistance. Extension toward the call wall.	7,514
Continuation: 7,514	Extension.	7,530, 7,540, 7,560

Short Plan

Entry	Why	Targets
Fade pops to: 7,488-7,499	Resistance approaching the call wall.	7,476 (21 EMA), 7,465 (8 EMA), 7,455 (flip)
Below 7,455	Loss of the gamma flip. Regime shift to negative gamma.	7,445, 7,433 (8w EMA), 7,419
Below 7,400	Loss of the put wall. Negative gamma accelerating.	7,385, 7,369, 7,360
Breakdown: 7,385	Multi-session support.	7,369, 7,360, 7,352

How the entry tiers and targets are built: the SPX 0DTE strategy guide.

VIX Levels

16.26
16.65
17.11 key
17.15
18.01 key
18.40
18.48

Educational research, not investment advice. Levels and the plan describe how the desk framed that session and are published after it closed.