ISRG Gamma Squeeze, Pin & Wall Analysis

ISRG Intuitive Surgical $431.87 +2.16% (updated 2026-05-12)

Today's OI Read — ISRG

Where the walls are, where price sits, and what the dealer positioning implies for Intuitive Surgical

In Between Walls?

$420

2ND

$430

DOM

$431.87

Outside the dominant wall range — directional momentum more likely than mean reversion.

Magnet Strength Details →

2.34× Very High (>2×)

Current OI 13,804

30d Avg OI 5,909

Elevated OI — dealers carry larger hedges, making price walls structurally stronger.

Put/Call Ratio

2.99

PUT HEAVY

Above 1.2 — more put OI than calls. Hedging demand elevated; market participants are positioned defensively.

Dominant Wall

$430

▼ Below spot

The highest OI concentration strike — the structural anchor dealers are most committed to hedging.

Distance to #1 Wall

$+1.87

+0.43%

Price is above the dominant wall — acts as support.

Wall Skew

-0.997

PUT HEAVY

Put-heavy at the dominant wall — put sellers defend this level. Acts as structural support/magnet.

Today's Top Setup — ISRG

SQUEEZE, PIN, and CAGE scored 0–100 from OI structure. Highest score = today's highest-conviction setup.

PIN — 53.7% hit rate (n=1,719). CAGE — 45.4% (n=1,161). SQUEEZE — 49.5% (n=5,555). Half hit, half don't — the edge is asymmetric payoff.

Strength scores are locked

PRO

See exactly which setup is most likely — and by how much

Unlock

🚀 SQUEEZE

candidate

Strength ██%

5d horizon

Target · Stock pops ≥+5% within 10 trading days — the kind of move where the winners run far enough to outweigh the misses.

📌 PIN

AUC 0.83 measured

Strength ██%

1d horizon

Target · Price closes within 0.5% of $430 (dom strike) by +1d.

↔ CAGE

AUC 0.55 measured

Strength ██%

5d horizon

Target · Price stays between $420 – $430 through +5d.

Top OI Walls

Largest open interest concentrations · sorted by strike price · * OI projected from prior day

2026-05-12

Rank	Strike	Call OI	Put OI	Total OI	P/C	% of Max
#5	$500 Resistance	1,199	12	1,211	0.01	48%
▶ $431.87
#1	$430 Support	4	2,501	2,505	625.25	100%
#2	$420 Support	12	1,767	1,779	147.25	71%
#3	$405 Support	0	1,602	1,602	—	64%
#4	$380 Support	0	1,232	1,232	—	49%

Dealer Magnet Strength

When total OI is elevated vs its 30-day rolling average, dealer hedging is heavier — walls act like magnets. Very High = stronger PIN / CAGE conviction. Near-normal = weaker structural hold.

Current Magnet Strength

Very High (>2×)

Low (<0.7×)

80.5%

210 days · 1d

Normal (0.7–1×)

76.0%

50 days · 1d

Elevated (1–1.5×)

87.2%

39 days · 1d

High (1.5–2×)

80.0%

35 days · 1d

Very High (>2×)

85.1%

68 days · 1d

Containment Rate by OI Magnitude Bucket

OI ratio = today's total OI ÷ 30-day rolling average. Does elevated OI predict price staying inside the dominant wall range?

OI Level	Days	1d	2d	5d	10d	20d
Low (<0.7×)	210	80.5%	73.8%	59.0%	49.0%	34.5%
Normal (0.7–1×)	50	76.0%	68.0%	58.3%	37.8%	31.1%
Elevated (1–1.5×)	39	87.2%	87.2%	76.9%	71.8%	38.9%
High (1.5–2×)	35	80.0%	71.4%	65.7%	65.7%	48.6%
Very High (>2×)	68	85.1%	81.8%	66.2%	58.5%	46.0%

SQUEEZE / PIN / CAGE Setup Backtest — ISRG

Last 50 sessions — which setup fired, what the score was, and whether it hit. See the actual win/loss record.

0 days ·

Min Strength 60

Magnet:

2026-05-05

📌 PIN

Strength 5%

Magnet

Floor $430

Ceiling $515

Range 18.8%

✗ Miss

Win Criteria

Close within 0.5% of $430 by end of day

What Happened

$451.73

+0.08%

Closed 4.8% from wall (need ≤0.5%) — moved +0.1%

2026-05-04

📌 PIN

Strength 5%

Magnet

Floor $430

Ceiling $515

Range 18.8%

✗ Miss

Win Criteria

Close within 0.5% of $430 by end of day

What Happened

$451.38

-0.21%

Closed 4.7% from wall (need ≤0.5%) — moved -0.2%

2026-05-01

📌 PIN

Strength 5%

Magnet

Floor $430

Ceiling $515

Range 18.6%

✗ Miss

Win Criteria

Close within 0.5% of $430 by end of day

What Happened

$452.35

-1.19%

Closed 4.9% from wall (need ≤0.5%) — moved -1.2%

2026-04-30

↔ CAGE

Strength 55%

Magnet

Floor $500

Ceiling $508

Range 1.6%

✓ Hit

Win Criteria

Stay inside $500–$508 for 5 days

What Happened

$453.49

-0.90%

2026-04-29

↔ CAGE

Strength 55%

Magnet

Floor $500

Ceiling $508

Range 1.7%

✓ Hit

Win Criteria

Stay inside $500–$508 for 5 days

What Happened

$451.73

-0.46%

2026-04-28

↔ CAGE

Strength 55%

Magnet

Floor $500

Ceiling $508

Range 1.6%

✗ Miss

Win Criteria

Stay inside $500–$508 for 5 days

What Happened

$451.38

-3.27%

Broke down — max move 2.7% (need ≤2%)

2026-04-27

↔ CAGE

Strength 55%

Magnet

Floor $500

Ceiling $508

Range 1.6%

✗ Miss

Win Criteria

Stay inside $500–$508 for 5 days

What Happened

$452.35

-3.96%

Broke down — max move 3.6% (need ≤2%)

2026-04-24

↔ CAGE

Strength 55%

Magnet

Floor $508

Ceiling $510

Range 0.5%

✗ Miss

Win Criteria

Stay inside $508–$510 for 5 days

What Happened

$457.78

-5.07%

Broke down — max move 5.9% (need ≤2%)

2026-04-23

↔ CAGE

Strength 55%

Magnet

Floor $500

Ceiling $520

Range 4.2%

✗ Miss

Win Criteria

Stay inside $500–$520 for 5 days

What Happened

$457.61

-4.43%

Broke up — max move 2.5% (need ≤2%)

2026-04-22

📌 PIN

Strength 30%

Magnet

Floor $440

Ceiling $520

Range 16.5%

✗ Miss

Win Criteria

Close within 0.5% of $520 by end of day

What Happened

$478.82

-0.99%

Closed 8.5% from wall (need ≤0.5%) — moved -1.0%

2026-04-21

↔ CAGE

Strength 55%

Magnet

Floor $500

Ceiling $520

Range 4.4%

✗ Miss

Win Criteria

Stay inside $500–$520 for 5 days

What Happened

$466.64

+3.40%

Broke up — max move 7.2% (need ≤2%)

2026-04-20

📌 PIN

Strength 5%

Magnet

Floor $470

Ceiling $520

Range 10.7%

✗ Miss

Win Criteria

Close within 0.5% of $520 by end of day

What Happened

$451.29

-3.07%

Closed 14.8% from wall (need ≤0.5%) — moved -3.1%

2026-04-17

📌 PIN

Strength 5%

Magnet

Floor $455

Ceiling $520

Range 13.9%

✗ Miss

Win Criteria

Close within 0.5% of $520 by end of day

What Happened

$465.60

-0.77%

Closed 11.6% from wall (need ≤0.5%) — moved -0.8%

2026-04-16

📌 PIN

Strength 5%

Magnet

Floor $450

Ceiling $490

Range 8.7%

✗ Miss

Win Criteria

Close within 0.5% of $490 by end of day

What Happened

$469.21

+2.43%

Closed 4.5% from wall (need ≤0.5%) — moved +2.4%

2026-04-15

📌 PIN

Strength 15%

Magnet

Floor $450

Ceiling $500

Range 10.7%

✗ Miss

Win Criteria

Close within 0.5% of $500 by end of day

What Happened

$458.08

-2.19%

Closed 9.0% from wall (need ≤0.5%) — moved -2.2%

2026-04-14

↔ CAGE

Strength 55%

Magnet

Floor $490

Ceiling $500

Range 2.1%

✓ Hit

Win Criteria

Stay inside $490–$500 for 5 days

What Happened

$451.29

-3.41%

2026-04-13

↔ CAGE

Strength 75%

Magnet

Floor $490

Ceiling $500

Range 2.2%

✗ Miss

Win Criteria

Stay inside $490–$500 for 5 days

What Happened

$465.60

+1.45%

Broke up — max move 2.0% (need ≤2%)

2026-04-10

↔ CAGE

Strength 20%

Magnet

Floor $455

Ceiling $490

Range 7.8%

✗ Miss

Win Criteria

Stay inside $455–$490 for 5 days

What Happened

$469.21

+4.13%

Broke up — max move 3.9% (need ≤2%)

2026-04-09

↔ CAGE

Strength 20%

Magnet

Floor $435

Ceiling $460

Range 5.5%

✗ Miss

Win Criteria

Stay inside $435–$460 for 5 days

What Happened

$458.08

+0.69%

Broke down — max move 2.7% (need ≤2%)

2026-04-08

↔ CAGE

Strength 20%

Magnet

Floor $435

Ceiling $465

Range 6.5%

✗ Miss

Win Criteria

Stay inside $435–$465 for 5 days

What Happened

$468.36

+1.32%

Broke down — max move 2.5% (need ≤2%)

2026-04-07

↔ CAGE

Strength 35%

Magnet

Floor $435

Ceiling $450

Range 3.3%

✗ Miss

Win Criteria

Stay inside $435–$450 for 5 days

What Happened

$467.22

+3.15%

Broke up — max move 2.1% (need ≤2%)

2026-04-06

↔ CAGE

Strength 35%

Magnet

Floor $435

Ceiling $455

Range 4.4%

✗ Miss

Win Criteria

Stay inside $435–$455 for 5 days

What Happened

$458.96

+1.41%

Broke up — max move 2.1% (need ≤2%)

2026-04-02

📌 PIN

Strength 75%

Magnet

Floor $450

Ceiling $480

Range 6.6%

✗ Miss

Win Criteria

Close within 0.5% of $450 by end of day

What Happened

$452.58

+0.11%

Closed 0.6% from wall (need ≤0.5%) — moved +0.1%

2026-04-01

↔ CAGE

Strength 20%

Magnet

Floor $450

Ceiling $480

Range 6.5%

✗ Miss

Win Criteria

Stay inside $450–$480 for 5 days

What Happened

$454.94

-2.05%

Broke down — max move 2.7% (need ≤2%)

2026-03-31

📌 PIN

Strength 5%

Magnet

Floor $450

Ceiling $505

Range 11.9%

✗ Miss

Win Criteria

Close within 0.5% of $450 by end of day

What Happened

$464.45

+0.75%

Closed 3.1% from wall (need ≤0.5%) — moved +0.8%

2026-03-30

📌 PIN

Strength 55%

Magnet

Floor $450

Ceiling $505

Range 12.1%

✗ Miss

Win Criteria

Close within 0.5% of $450 by end of day

What Happened

$460.99

+1.81%

Closed 2.4% from wall (need ≤0.5%) — moved +1.8%

2026-03-27

📌 PIN

Strength 55%

Magnet

Floor $450

Ceiling $480

Range 6.6%

✗ Miss

Win Criteria

Close within 0.5% of $450 by end of day

What Happened

$452.77

+0.02%

Closed 0.6% from wall (need ≤0.5%) — moved +0.0%

2026-03-26

↔ CAGE

Strength 55%

Magnet

Floor $440

Ceiling $450

Range 2.1%

✗ Miss

Win Criteria

Stay inside $440–$450 for 5 days

What Happened

$452.07

-3.52%

Broke down — max move 3.4% (need ≤2%)

2026-03-25

📌 PIN

Strength 15%

Magnet

Floor $440

Ceiling $510

Range 14.9%

✗ Miss

Win Criteria

Close within 0.5% of $440 by end of day

What Happened

$468.55

-0.30%

Closed 6.1% from wall (need ≤0.5%) — moved -0.3%

2026-03-24

📌 PIN

Strength 15%

Magnet

Floor $440

Ceiling $515

Range 15.9%

✗ Miss

Win Criteria

Close within 0.5% of $440 by end of day

What Happened

$469.98

-0.41%

Closed 6.4% from wall (need ≤0.5%) — moved -0.4%

2026-03-23

📌 PIN

Strength 15%

Magnet

Floor $440

Ceiling $515

Range 15.7%

✗ Miss

Win Criteria

Close within 0.5% of $440 by end of day

What Happened

$471.91

-1.28%

Closed 6.7% from wall (need ≤0.5%) — moved -1.3%

2026-03-20

📌 PIN

Strength 15%

Magnet

Floor $440

Ceiling $515

Range 15.7%

✗ Miss

Win Criteria

Close within 0.5% of $440 by end of day

What Happened

$478.04

+0.01%

Closed 8.0% from wall (need ≤0.5%) — moved +0.0%

2026-03-19

📌 PIN

Strength 75%

Magnet

Floor $450

Ceiling $480

Range 6.3%

✓ Hit

Win Criteria

Close within 0.5% of $480 by end of day

What Happened

$477.97

-0.41%

2026-03-18

📌 PIN

Strength 75%

Magnet

Floor $450

Ceiling $480

Range 6.3%

✓ Hit

Win Criteria

Close within 0.5% of $480 by end of day

What Happened

$479.93

+0.46%

2026-03-17

📌 PIN

Strength 55%

Magnet

Floor $450

Ceiling $480

Range 6.2%

✓ Hit

Win Criteria

Close within 0.5% of $480 by end of day

What Happened

$477.73

-1.04%

2026-03-16

📌 PIN

Strength 55%

Magnet

Floor $450

Ceiling $480

Range 6.2%

✗ Miss

Win Criteria

Close within 0.5% of $480 by end of day

What Happened

$482.76

-0.14%

Closed 0.6% from wall (need ≤0.5%) — moved -0.1%

2026-03-13

📌 PIN

Strength 35%

Magnet

Floor $450

Ceiling $480

Range 6.4%

✗ Miss

Win Criteria

Close within 0.5% of $480 by end of day

What Happened

$483.46

+2.39%

Closed 0.7% from wall (need ≤0.5%) — moved +2.4%

2026-03-12

↔ CAGE

Strength 20%

Magnet

Floor $500

Ceiling $535

Range 7.3%

✓ Hit

Win Criteria

Stay inside $500–$535 for 5 days

What Happened

$479.93

+0.14%

2026-03-11

📌 PIN

Strength 45%

Magnet

Floor $480

Ceiling $500

Range 4.1%

✗ Miss

Win Criteria

Close within 0.5% of $500 by end of day

What Happened

$479.27

-2.76%

Closed 4.2% from wall (need ≤0.5%) — moved -2.8%

2026-03-10

↔ CAGE

Strength 55%

Magnet

Floor $500

Ceiling $508

Range 1.5%

✗ Miss

Win Criteria

Stay inside $500–$508 for 5 days

What Happened

$482.76

-0.64%

Broke up — max move 2.8% (need ≤2%)

2026-03-09

↔ CAGE

Strength 20%

Magnet

Floor $500

Ceiling $525

Range 5.1%

✗ Miss

Win Criteria

Stay inside $500–$525 for 5 days

What Happened

$483.46

-2.05%

Broke down — max move 2.9% (need ≤2%)

2026-03-06

↔ CAGE

Strength 20%

Magnet

Floor $500

Ceiling $535

Range 7.1%

✓ Hit

Win Criteria

Stay inside $500–$535 for 5 days

What Happened

$472.16

-3.67%

2026-03-05

↔ CAGE

Strength 35%

Magnet

Floor $512

Ceiling $530

Range 3.5%

✗ Miss

Win Criteria

Stay inside $512–$530 for 5 days

What Happened

$479.27

-3.51%

Broke down — max move 2.2% (need ≤2%)

2026-03-04

↔ CAGE

Strength 35%

Magnet

Floor $512

Ceiling $530

Range 3.5%

✗ Miss

Win Criteria

Stay inside $512–$530 for 5 days

What Happened

$492.87

-1.66%

Broke down — max move 2.2% (need ≤2%)

2026-03-03

↔ CAGE

Strength 55%

Magnet

Floor $520

Ceiling $530

Range 2.0%

✓ Hit

Win Criteria

Stay inside $520–$530 for 5 days

What Happened

$485.85

-2.33%

2026-03-02

↔ CAGE

Strength 35%

Magnet

Floor $512

Ceiling $530

Range 3.5%

✓ Hit

Win Criteria

Stay inside $512–$530 for 5 days

What Happened

$493.56

-0.54%

2026-02-27

📌 PIN

Strength 35%

Magnet

Floor $512

Ceiling $535

Range 4.5%

✗ Miss

Win Criteria

Close within 0.5% of $512 by end of day

What Happened

$496.25

-1.44%

Closed 3.2% from wall (need ≤0.5%) — moved -1.4%

2026-02-26

↔ CAGE

Strength 20%

Magnet

Floor $475

Ceiling $510

Range 6.9%

✗ Miss

Win Criteria

Stay inside $475–$510 for 5 days

What Happened

$496.70

-2.01%

Broke down — max move 2.1% (need ≤2%)

2026-02-25

↔ CAGE

Strength 40%

Magnet

Floor $475

Ceiling $510

Range 6.9%

✓ Hit

Win Criteria

Stay inside $475–$510 for 5 days

What Happened

$501.18

-0.99%

2026-02-24

↔ CAGE

Strength 20%

Magnet

Floor $475

Ceiling $510

Range 7.1%

✗ Miss

Win Criteria

Stay inside $475–$510 for 5 days

What Happened

$497.42

+0.69%

Broke up — max move 2.6% (need ≤2%)