Case studies
Case 14Monday, June 29, 2026

Everything lined up: the dive, the bounce, and one strike left above

By 12:10 there was nothing left on the board below price.

SPX open
7,391.88
High
7,444.32

15:59 ET

Low
7,348.88

10:15 ET

Close
7,440.25
0DTE net gamma positive
67%

of the session's minutes

All-expiry net gamma positive
100%

of the session's minutes

VIX open → close
18.27 → 17.53
VIX high
19.44

The bullish stack

The story

  1. All-expiry gamma positive 100% of minutes.
  2. 10:15 — price dove to 7348.88, between two put-side positive strikes, 7370 and 7340. VIX peaked 19.4.
  3. 10:30 — charm at spot flipped from suppressive to supportive and stayed there: -$2B to -$7.7B all afternoon.
  4. 12:02 — 0DTE net delta crossed above zero. By 12:10 the three largest positive strikes were all above price.
  5. Calls bought (+$11M) and puts sold (-$25M) the rest of the day. 7440 grew from +$0.8B to +$4.7B.
  6. Then what: price closed 7440.25 — on the strike.

Minute by minute

The beats

  1. 10:15 ET

    low 7348.88, between put strikes 7370 (+$2.0B) and 7340 (+$1.6B); VIX 19.3

  2. 10:30 ET

    charm turns supportive; price 7396

  3. 12:02 ET

    0DTE net delta crosses above zero and stays

  4. 12:10 ET

    every top strike is above price: 7440, 7435, 7430

  5. 13:30 ET

    7440 at +$3.3B; calls +$10.6M, puts -$13.4M

  6. 15:23 ET

    7440.17 — on the strike; premium net +$32.5M

From the product

The dashboard at each beat

Premium Flow, Cumulative Net Delta and Gamma Flow By Strike on one screen, replayed to the minute. Real frames, nothing redrawn. Click the right of the frame to step to the next beat.

Dashboard frame 1 of 6: 10:15 ET — Low 7348.88, between put strikes 7370 (+$2.0B) and 7340 (+$1.6B); VIX 19.3

1 / 6

10:15 ET — Low 7348.88, between put strikes 7370 (+$2.0B) and 7340 (+$1.6B); VIX 19.3

More of this session

The whole session on the dashboard

The real dashboard, the session replayed

The short cut

9 slides

The case, slide by slide

Slide 1 of 9

1 / 9

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