Surgical-robot growth slows to 4-year low as weight-loss drugs cut demand — shor
Created
Thesis
The bull case for Intuitive Surgical has always been that procedure volumes would keep compounding at a rapid clip. That narrative just broke. With weight-loss drugs like Ozempic and Wegovy reducing the need for certain surgeries, and changes to the Affordable Care Act pressuring hospital budgets, demand for elective robotic surgery is decelerating. The stock traded at a premium valuation that assumed uninterrupted high growth, so even a modest slowdown justifies a significant derating. With after-hours shares down 13% and no guidance raise to cushion the blow, there is no fundamental reason to fight the tape.
Strategy approach
Build a swing-short strategy on ISRG. Enter on the D1 open following the earnings gap-down (price opening below prior 20-day low). Exit if price closes back above the 10-day high. Use a 3% hard stop above entry. Max hold 10 trading days.
Markets and timeframes
Latest published rule evaluation
Evaluated . This is a dated rule snapshot, not a live price or trade execution confirmation.
ISRG · 1d
2 of 4 published entry conditions marked met.
- Price below Donchian (20) — met
- EMA (9) crossed below EMA (21) — far
- RSI (14) above 50 — far
- ADX (14) above 20 — met
- Price above Donchian (20) — far
Entry and exit at a glance
These are the named rules in the shared configuration. Review the full conditions below before using a strategy.
- Entry: DONCHIAN/EMA/RSI/ADX Crossover Long (ISRG@1d) (5 conditions)
- Exit: Position Exit Rule (ISRG@1d) (2 conditions)
- Exit: SL: Below Support[1] (ISRG@1d) (1 condition)
- Exit: TP: Near Resistance[1] (ISRG@1d) (1 condition)
- Exit: Stop Loss at 2.6% (1 condition)
- Exit: Take Profit at 5.1% (1 condition)
Shared strategy rules
Rule configuration
{
"data_dependencies": [
{
"symbol": "STOCK:ISRG",
"timeframe": "1d"
}
],
"entry_rules": [
{
"conditions": [
{
"left": {
"chart_ref": {
"symbol": "STOCK:ISRG",
"timeframe": "1d"
},
"field": "open",
"type": "price"
},
"operator": "less_than",
"right": {
"chart_ref": {
"symbol": "STOCK:ISRG",
"timeframe": "1d"
},
"field": "lower",
"indicator": {
"name": "donchian",
"period": 20
},
"type": "indicator"
}
},
{
"left": {
"chart_ref": {
"symbol": "STOCK:ISRG",
"timeframe": "1d"
},
"indicator": {
"name": "ema",
"period": 9
},
"type": "indicator"
},
"operator": "crossed_below",
"right": {
"chart_ref": {
"symbol": "STOCK:ISRG",
"timeframe": "1d"
},
"indicator": {
"name": "ema",
"period": 21
},
"type": "indicator"
}
},
{
"left": {
"chart_ref": {
"symbol": "STOCK:ISRG",
"timeframe": "1d"
},
"indicator": {
"name": "rsi",
"period": 14
},
"type": "indicator"
},
"operator": "greater_than",
"right": {
"type": "constant",
"value": 50
}
},
{
"left": {
"chart_ref": {
"symbol": "STOCK:ISRG",
"timeframe": "1d"
},
"field": "adx",
"indicator": {
"name": "adx",
"period": 14
},
"type": "indicator"
},
"operator": "greater_than",
"right": {
"type": "constant",
"value": 20
}
},
{
"left": {
"chart_ref": {
"symbol": "STOCK:ISRG",
"timeframe": "1d"
},
"field": "close",
"type": "price"
},
"operator": "less_than_or_equal",
"right": {
"rank": 1,
"type": "resistance_level"
}
}
],
"direction": "long",
"enabled": true,
"id": "entry_1",
"name": "DONCHIAN/EMA/RSI/ADX Crossover Long (ISRG@1d)",
"priority": 1,
"trade_symbol": "STOCK:ISRG"
}
],
"exit_rules": [
{
"applies_to": "both",
"conditions": [
{
"left": {
"chart_ref": {
"symbol": "STOCK:ISRG",
"timeframe": "1d"
},
"field": "close",
"type": "price"
},
"operator": "greater_than",
"right": {
"chart_ref": {
"symbol": "STOCK:ISRG",
"timeframe": "1d"
},
"field": "upper",
"indicator": {
"name": "donchian",
"period": 20
},
"type": "indicator"
}
},
{
"left": {
"field": "holding_period_bars",
"type": "position"
},
"operator": "greater_than_or_equal",
"right": {
"type": "constant",
"value": 10
}
}
],
"enabled": true,
"id": "exit_1",
"name": "Position Exit Rule (ISRG@1d)",
"priority": 1,
"purpose": "signal"
},
{
"applies_to": "both",
"conditions": [
{
"left": {
"chart_ref": {
"symbol": "STOCK:ISRG",
"timeframe": "1d"
},
"field": "close",
"type": "price"
},
"operator": "less_than_or_equal",
"right": {
"rank": 1,
"type": "support_level"
}
}
],
"enabled": true,
"id": "exit_2",
"name": "SL: Below Support[1] (ISRG@1d)",
"priority": 97,
"purpose": "take_profit",
"target_symbol": "STOCK:ISRG"
},
{
"applies_to": "both",
"conditions": [
{
"left": {
"chart_ref": {
"symbol": "STOCK:ISRG",
"timeframe": "1d"
},
"field": "close",
"type": "price"
},
"operator": "crossed_below",
"right": {
"rank": 1,
"type": "resistance_level"
}
}
],
"enabled": true,
"id": "exit_3",
"name": "TP: Near Resistance[1] (ISRG@1d)",
"priority": 100,
"purpose": "stop_loss",
"target_symbol": "STOCK:ISRG"
},
{
"applies_to": "both",
"conditions": [
{
"left": {
"field": "unrealized_pnl_percent",
"type": "position"
},
"operator": "less_than_or_equal",
"right": {
"type": "constant",
"value": -2.565
}
}
],
"enabled": true,
"id": "exit_4",
"name": "Stop Loss at 2.6%",
"priority": 100,
"purpose": "stop_loss"
},
{
"applies_to": "both",
"conditions": [
{
"left": {
"field": "unrealized_pnl_percent",
"type": "position"
},
"operator": "greater_than_or_equal",
"right": {
"type": "constant",
"value": 5.13
}
}
],
"enabled": true,
"id": "exit_5",
"name": "Take Profit at 5.1%",
"priority": 100,
"purpose": "take_profit"
}
],
"position_sizing": {
"max_position_percent": 25,
"method": {
"resistance_stop_rank": 1,
"risk_percent": 2.565,
"type": "fixed_risk"
},
"min_position_value": 100
},
"trigger_timeframe": "1d",
"version": 1
}Indicator configuration
{
"indicators": [
{
"name": "ema",
"period": 9
},
{
"name": "ema",
"period": 21
},
{
"name": "donchian",
"period": 20
},
{
"name": "donchian",
"period": 10
},
{
"name": "rsi",
"period": 14
},
{
"name": "adx",
"period": 14
}
]
}Parsed strategy
{
"data_dependencies": [
{
"symbol": "STOCK:ISRG",
"timeframe": "1d"
}
],
"entry_rules": [
{
"conditions": [
{
"left": {
"chart_ref": {
"symbol": "STOCK:ISRG",
"timeframe": "1d"
},
"field": "open",
"type": "price"
},
"operator": "less_than",
"right": {
"chart_ref": {
"symbol": "STOCK:ISRG",
"timeframe": "1d"
},
"field": "lower",
"indicator": {
"name": "donchian",
"period": 20
},
"type": "indicator"
}
},
{
"left": {
"chart_ref": {
"symbol": "STOCK:ISRG",
"timeframe": "1d"
},
"indicator": {
"name": "ema",
"period": 9
},
"type": "indicator"
},
"operator": "crossed_below",
"right": {
"chart_ref": {
"symbol": "STOCK:ISRG",
"timeframe": "1d"
},
"indicator": {
"name": "ema",
"period": 21
},
"type": "indicator"
}
},
{
"left": {
"chart_ref": {
"symbol": "STOCK:ISRG",
"timeframe": "1d"
},
"indicator": {
"name": "rsi",
"period": 14
},
"type": "indicator"
},
"operator": "greater_than",
"right": {
"type": "constant",
"value": 50
}
},
{
"left": {
"chart_ref": {
"symbol": "STOCK:ISRG",
"timeframe": "1d"
},
"field": "adx",
"indicator": {
"name": "adx",
"period": 14
},
"type": "indicator"
},
"operator": "greater_than",
"right": {
"type": "constant",
"value": 20
}
},
{
"left": {
"chart_ref": {
"symbol": "STOCK:ISRG",
"timeframe": "1d"
},
"field": "close",
"type": "price"
},
"operator": "less_than_or_equal",
"right": {
"rank": 1,
"type": "resistance_level"
}
}
],
"direction": "long",
"enabled": true,
"id": "entry_1",
"name": "DONCHIAN/EMA/RSI/ADX Crossover Long (ISRG@1d)",
"priority": 1,
"trade_symbol": "STOCK:ISRG"
}
],
"exit_rules": [
{
"applies_to": "both",
"conditions": [
{
"left": {
"chart_ref": {
"symbol": "STOCK:ISRG",
"timeframe": "1d"
},
"field": "close",
"type": "price"
},
"operator": "greater_than",
"right": {
"chart_ref": {
"symbol": "STOCK:ISRG",
"timeframe": "1d"
},
"field": "upper",
"indicator": {
"name": "donchian",
"period": 20
},
"type": "indicator"
}
},
{
"left": {
"field": "holding_period_bars",
"type": "position"
},
"operator": "greater_than_or_equal",
"right": {
"type": "constant",
"value": 10
}
}
],
"enabled": true,
"id": "exit_1",
"name": "Position Exit Rule (ISRG@1d)",
"priority": 1,
"purpose": "signal"
},
{
"applies_to": "both",
"conditions": [
{
"left": {
"chart_ref": {
"symbol": "STOCK:ISRG",
"timeframe": "1d"
},
"field": "close",
"type": "price"
},
"operator": "less_than_or_equal",
"right": {
"rank": 1,
"type": "support_level"
}
}
],
"enabled": true,
"id": "exit_2",
"name": "SL: Below Support[1] (ISRG@1d)",
"priority": 97,
"purpose": "take_profit",
"target_symbol": "STOCK:ISRG"
},
{
"applies_to": "both",
"conditions": [
{
"left": {
"chart_ref": {
"symbol": "STOCK:ISRG",
"timeframe": "1d"
},
"field": "close",
"type": "price"
},
"operator": "crossed_below",
"right": {
"rank": 1,
"type": "resistance_level"
}
}
],
"enabled": true,
"id": "exit_3",
"name": "TP: Near Resistance[1] (ISRG@1d)",
"priority": 100,
"purpose": "stop_loss",
"target_symbol": "STOCK:ISRG"
},
{
"applies_to": "both",
"conditions": [
{
"left": {
"field": "unrealized_pnl_percent",
"type": "position"
},
"operator": "less_than_or_equal",
"right": {
"type": "constant",
"value": -2.565
}
}
],
"enabled": true,
"id": "exit_4",
"name": "Stop Loss at 2.6%",
"priority": 100,
"purpose": "stop_loss"
},
{
"applies_to": "both",
"conditions": [
{
"left": {
"field": "unrealized_pnl_percent",
"type": "position"
},
"operator": "greater_than_or_equal",
"right": {
"type": "constant",
"value": 5.13
}
}
],
"enabled": true,
"id": "exit_5",
"name": "Take Profit at 5.1%",
"priority": 100,
"purpose": "take_profit"
}
],
"position_sizing": {
"max_position_percent": 25,
"method": {
"resistance_stop_rank": 1,
"risk_percent": 2.565,
"type": "fixed_risk"
},
"min_position_value": 100
},
"trigger_timeframe": "1d",
"version": 1
}Strategy instructions
Trading agent generated from recommendation idea 'Surgical-robot growth slows to 4-year low as weight-loss drugs cut demand — short Intuitive Surgical'. Thesis: The bull case for Intuitive Surgical has always been that procedure volumes would keep compounding at a rapid clip. That narrative just broke. With weight-loss drugs like Ozempic and Wegovy reducing the need for certain surgeries, and changes to the Affordable Care Act pressuring hospital budgets, demand for elective robotic surgery is decelerating. The stock traded at a premium valuation that assumed uninterrupted high growth, so even a modest slowdown justifies a significant derating. With after-hours shares down 13% and no guidance raise to cushion the blow, there is no fundamental reason to fight the tape.
Performance
No trade count, win rate, or realized P&L figures are provided in this public preview. The thesis and shared rules do not establish a performance record.
What this public preview can establish
- The dated rule snapshot above shows the conditions evaluated at that time. It does not prove a current trigger or executed trade.
- Technical strategy fields are shared above. Inspect the actual conditions and check when they were evaluated before relying on them.
- No trade count, win rate, or P&L figure is published in this preview. It cannot establish a performance record.
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