SPX Dealer Levels: July 21, 2026
On Tuesday, July 21, 2026, SPX opened at 7,443.28 and closed at 7,509.20, a session range of 71.96 points (0.97%). The mid-session dealer positioning snapshot showed call wall 7515, put wall 7500, zero gamma 7491, max pain 7490.
Dealer positioning levels
Strike carrying the session's heaviest call-side dealer gamma. Rallies often slow into this area.
Strike carrying the heaviest put-side dealer gamma. Declines often slow near this area.
Level where net dealer gamma flips sign, separating the dampened regime above from the amplified regime below.
Expiry strike at which the total settlement value of same-day SPX options would be smallest.
Session statistics
Open
7,443.28
High
7,515.24
Low
7,443.28
Close
7,509.20
Net dealer gamma read positive at the snapshot, a backdrop in which dealer hedging flows tend to dampen intraday swings. VIX opened at 17.78 and finished at 17.05.
Levels are computed from that session's SPX option-chain snapshots and reflect a mid-session reading. Prices are session-observed values, not official settlement prints. Archive pages are static records of what the dealer book showed that day. Method details on the methodology page.
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